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Sony DNW-A100, Руководство по обслуживанию

Sony DNW-A100 - профессиональный видеоаппарат с высоким качеством записи. Здесь вы можете скачать брошюру и спецификации, руководство пользователя бесплатно на manualshive.com. Подробные инструкции помогут вам использовать все функции этого устройства для достижения идеальных результатов.

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5-20

DNW-A100/A50/A45

DNW-A100P/A50P/A45P

Demagnetization head assembly

Connector

Harness

Plate MR

Harness rail

Brush slip ring assembly

Flexible board

Screws
(C3 

x

 8)

CN2

SE-341
board

Screw(C3 

x

 8)

Drum assembly

Screw
hole

Board cover

2. Disconnect the Flexible Board

Disconnect the flexible board from connector

CN2 on the SE-341 board.

3. Remove the Drum Assembly

(1) Remove the harness of the demagnetization

head assembly from the harness rail, then

disconnect the connect.

(2) Rotate the upper drum assembly manually

counterclockwise and adjust the dented

portion on the board cover with the lower

drum fixing screw as shown in the figure.

n

The drum assembly is fixed to the chassis

with the three fixing screws (C3 

X 

8) in the

screw hole.

(3) Fully loosen the screw using a hexagonal

wrench driver.

n

These screws cannot be removed because of

stoppers.

(4) Rotate the upper drum counterclockwise by

finger and fully loosen other two screws in

the same way as in steps (2) and (3).

5-3. Drum Assembly Replacement

Содержание DNW-A100

Страница 1: ...R DNW A100 A100P DNW A50 A50P DNW A45 A45P MAINTENANCE MANUAL Part 2 Volume 1 1st Edition Revised 1 ANALOG COMPOSITE DECODER BOARD BKDW 505 506 SDTI INPUT KIT BKNW 103 ANALOG COMPONENT INPUT BOARD BKNW 104 AES EBU I F KIT BKNW 105 ...

Страница 2: ...e operating instructions unless you are qualified to do so Refer all servicing to qualified service personnel WARNUNG Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der ...

Страница 3: ...d 1 8 1 7 2 AD 105 Board BKNW 104 1 8 1 7 3 APR 12 Board 1 8 1 7 4 APR 13 Board 1 8 1 7 5 CCM 15 Board 1 8 1 7 6 CL 29 Board 1 8 1 7 7 CP 277 Board 1 9 1 7 8 CP 278 Board 1 10 1 7 9 CP 297 Board 1 10 1 7 10 CP 300 Board BKNW 103 1 10 1 7 11 CP 301 Board 1 10 1 7 12 CP 308 Board BKNW 105 1 10 1 7 13 DEC 65 Board BKDW 505 506 1 11 1 7 14 DIF 42 Board 1 11 1 7 15 DIF 44 Board BKNW 105 1 11 1 7 16 DM ...

Страница 4: ... 14 1 7 38 SWC 30 Board 1 14 1 7 39 SWC 31 Board 1 14 1 7 40 TBC 23 Board 1 14 1 7 41 TBC 24 Board 1 15 1 7 42 TC 96 Board 1 15 1 7 43 TR 78 Board 1 15 1 7 44 TR 79 Board 1 15 1 7 45 VPR 17 Board 1 15 1 7 46 VR 223 Board 1 15 1 7 47 VR 224 Board 1 15 1 8 Perfection after Replacing the Hard Disk Drive 1 16 2 Electrical Alignment Overview 2 1 Notes on Electrical Alignment 2 1 2 2 Outline of Electric...

Страница 5: ... APR 12 13 Boards 3 16 3 6 1 Adjustment Overview 3 16 3 6 2 Common Preparation 3 18 3 6 3 Analog Audio Outputs CH1 2 3 4 Adjustment APR 13 Board 3 20 3 6 4 Analog Audio Offsets CH3 4 Adjustment APR 13 Board 3 21 3 6 5 Analog Audio Inputs CH3 4 Adjustment APR 13 Board 3 22 3 6 6 Analog Audio Monitor Outputs L R Adjustment APR 12 Board 3 23 3 6 7 Analog Audio Offsets CH1 2 Adjustment APR 12 Board 3 ...

Страница 6: ...utput Level Readjustment 3 83 3 8 15 RF Envelope Adjustment 3 84 3 8 16 Search Picture Adjustment 3 86 3 8 17 Guard Band Width Adjustment 3 88 3 8 18 Component Output Level Adjustment 3 90 3 8 19 A D Clamp DC Level Adjustment 3 93 3 8 20 VCO Lock in Range Adjustment 3 94 3 8 21 TBC VCO Free running Adjustment 3 95 3 8 22 FAST VCO Tracking Adjustment 3 96 3 8 23 PB Video Phase Adjustment 3 97 3 8 2...

Страница 7: ... AT Head Cleaner Replacement 5 32 5 6 Air Filter Replacement 5 35 5 7 Pinch Roller Replacement 5 37 5 8 CTL Head Replacement 5 40 5 9 Reel Motor Assembly Replacement 5 44 5 9 1 Replacement Procedure of the Reel Motor Assembly 5 44 5 9 2 Reel Motor Shaft Slantness Adjustment 5 52 5 9 3 Cassette Pillar Height Adjustment 5 55 5 9 4 Reel Table Height Adjustment 5 57 5 9 5 Reel Brake Clearance Check 5 ...

Страница 8: ...nt 5 171 5 28 Reel Shift Motor Replacement 5 176 5 29 Cassette Compartment Motor Replacement 5 181 5 30 Power Supply Block Replacement 5 185 5 31 Hard Disk Drive Replacement 5 189 5 31 1 Caution for Handling the Hard Disk Drive 5 189 5 31 2 Removal Installation of Hard Disk Drive Unit 5 189 5 31 3 Hard Disk Drive Replacement 5 193 5 32 Replacement of Mounted Circuit Board 5 198 5 32 1 CP 277 Board...

Страница 9: ... 31 6 3 9 RF Envelope Adjustment 6 33 6 3 10 Impact Error Offset Adjustment 6 34 6 3 11 TBC Y C Delay Adjustment 6 35 6 4 Electrical Adjustment after Replacing the AT Head 6 37 6 4 1 Preparation 6 38 6 4 2 LAU PB Frequency Response Adjustment 6 40 6 4 3 LAU Dolby Level Adjustment 6 42 6 4 4 LAU PB Level Adjustment 6 43 6 4 5 LAU PB Phase Adjustment 6 44 6 4 6 LTC Erasure Current Adjustment 6 45 6 ...

Страница 10: ...ections Section 1 Service Overview Explains the information of circuit protection devices NV RAMs alignment tapes and extension boards the removal of PLCC IC and the service actions after replac ing repairing the mounted circuit boards Section 2 Electrical Alignment Overview Explains the overview for electrical alignment Section 3 Electrical Alignment Explains the electrical alignment for the main...

Страница 11: ...Materials and Supplied Accessories List Describes the packing materials packing materials for HDD and the supplied accessories list Section 6 Optional Fixtures List Describes the optional fixtures and maintenance articles list Section 1 Semiconductor Pin Assignments Describes the semiconductor pin assignments Section 2 Block Diagrams Describes the block diagrams of overall and each board Section 3...

Страница 12: ... installation of the DNW Maintenance Manual Part 1 Supplied with the DNW This manual describes the information that is required to install maintenance information and the information for service such as replacement of plug in boards Protocol Manual of Remote 9 pin Connector available on request This manual explains the protocol for controlling the VTR via the RS 422A 9 pin serial remote If this ma...

Страница 13: ...it or put this unit gently so that no sound is generated Never operate the unit for 30 seconds after the power is turned off The disks in HDD rotate by inertia for a while after the power is turned off In this case the heads are in the unstable state During this period the HDD is more sensitive to a mechanical shock and vibration than during power on state Never give even a slight shock at least 3...

Страница 14: ...crewdriver when tightening and removing the screw during replac ing the HDD The HDD cushion and shockless torque screwdriver are available as a fixture HDD cushion Part No J 6530 060 A Shockless torque screwdriver Part No J 6530 070 A HDD is easily affected by static electricity Take measures against static electricity such as establishing a ground then install the HDD Handling of failed HDD Handl...

Страница 15: ...V 1 533 351 11 F3 F2 Thermal fuse 115 dC 3 A 125 V 1 533 251 11 F4 SS 63 board PS100 E 7 Fuse chip 3 15 A 125 V 1 533 266 11 PS101 E 7 Fuse chip 0 5 A 125 V 1 533 271 21 SSX 1 board PS100 F 7 Fuse chip 5 A 125 V 1 533 275 21 PS101 F 7 Fuse chip 2 A 125 V 1 533 351 11 PS400 F 2 TBC 23 board PS1 C 7 Fuse chip 0 5 A 125 V 1 533 271 21 TC 96 board PS200 D 1 Fuse chip 0 4 A 125 V 1 533 724 11 PS300 D 1...

Страница 16: ...b error messages if present are also displayed together When the error code 96 sub error message CALEN DAR CLOCK is displayed the date in the calendar will be reset to 1 Nov 1996 You can check the date in calendar clock using the error logger display mode M2 ERROR LOGGER in the maintenance mode n After replacing IC710 make change settings of various data and correct the calendar clock Refer to 1 3...

Страница 17: ...ystem After the initialization readjust the VTR servo system Refer to Section 3 4 Hours meter data None All data are lost and automatically initialized to count zero Serial No Set by the menu C41 of the maintenance mode Head room of the audio level meter Set by the menu C47 of the maintenance mode When setting it to except 20 dB SS 63 IC710 NV RAM Setting data of setup menu Set the setup menu agai...

Страница 18: ...5 11 For 525 60 system SR2 1P SONY part No 8 960 075 61 For 625 50 system Used for servo adjustment Time min sec Digital video Digital audio CTL track 00 00 3 212 MHz A CH only SR2 1 3 kHz 0 VU CTL Pulse SR2 1P 3 15 kHz 0 VU 15 00 A CH 3 212 MHz SR2 1 3 kHz 0 VU CTL B CH 6 424 MHz SR2 1P 3 15 kHz 0 VU 20 00 12 848 MHz All CH SR2 1 3 kHz 0 VU CTL SR2 1P 3 15 kHz 0 VU 25 00 27 00 100 color bar All C...

Страница 19: ... 12 5T No signal No signal CTL CR5 1B PS 50 bowtie 10T 19 00 Line 17 No signal No signal CTL 22 00 Quad phase No signal No signal CTL 24 00 Flat filed No signal No signal CTL 26 00 CR5 1B 75 color bar No signal No signal CTL with Drop out CR5 1B PS 100 color bar with Drop out 28 00 30 00 Composite V sweep with VISC No signal No signal CTL DNW A100 A50 A45 A100P A50P A45P can not play back AFM part...

Страница 20: ...ignal 7 55 No signal CTL No signal 8 00 10 00 1 kHz sine wave 0 VU 1 kHz sine wave 0 VU No signal 7 CR8 1B PS SONY part No 8 960 096 86 For analog Betacam PAL Used for Betacam audio adjustment Time min sec LAU tracks CTL track Video AFM 0 00 1 kHz sine wave 0 VU CTL No signal No signal 2 55 No signal CTL No signal No signal 3 00 15 kHz sine wave 0 VU CTL No signal No signal 4 55 No signal CTL No s...

Страница 21: ...105 board is the analog component input board BKNW 104 optional board DEC 65 board is the analog component input board BKDW 505 506 optional board 1 6 PLCC IC Removal It is recommended that the tool below is used to remove the PLCC type IC inserted into an IC socket Tool required Description IC extraction tool for PLCC socket SONY Part No J 6035 070 A This tool can be used for IC whose pins number...

Страница 22: ...m the audio system alignment of Section 3 6 1 7 4 APR 13 Board After replacing Perform 6 3 APR 13 Board Replacement of the mainte nance manual part 1 After repairing Perform the audio system alignment of Section 3 6 1 7 5 CCM 15 Board For the threading motor After replacing or repairing this board check the functions of the threading motor using C012 THREADING MOTOR in the maintenance mode Refer t...

Страница 23: ... 505 506 or BKNW 104 1 Set the setup extend menu ITEM 309 to AUTO 2 VTR with BKDW 505 506 Input the 75 color bar signal composite to VIDEO INPUT COMPOSITE connector 75 Z switch ON and set VIDEO INPUT SELECT to COMPOSITE VTR with BKNW 104 Input the 75 color bar signal D 1 format compo nent to VIDEO INPUT COMPONENT connectors Y R Y B Y and set VIDEO INPUT SELECT to COMPONENT 4 Check that the STOP bu...

Страница 24: ...ard After repairing this board perform the following checks Preparing tools Time code generator 525 60 system SONYBVG 1600 or equivalent 625 50 system SONY BVG 1600PS or equivalent Time code reader 525 60 system SONY BVG 1500 or equivalent 625 50 system SONY BVG 1500PS or equivalent Audio analyzer TEKTRONIX AA501A option 02 or equivalent Checks 1 Connect the time code generator to TIME CODE IN con...

Страница 25: ...n 4 4 n Since the mounted DIF 44 board is out of the service part be sure to replace it with the product BKNW 105 when this board is replaced In this time it is not necessary to replace the CP 308 board But when replacing the CP 308 board at the same time refer to 1 19 Installation of BKNW 105 of the mainte nance manual part 1 1 7 16 DM 89 Board n The board that a suffix of service parts code is A...

Страница 26: ...data in the NV RAM on the MS 50 board Refer to Section 3 4 2 2 Set the serial number of the VTR using C41 SERIAL NUMBER in the maintenance mode Refer to 4 2 6 OTHERS CHECK Mode C4 of the maintenance manual part 1 3 Set the head room of the audio level meter using C47 METER HEAD ROOM in the maintenance mode Refer to 4 2 6 OTHERS CHECK Mode C4 of the maintenance manual part 1 After repairing except ...

Страница 27: ...ch dial assembly need not the electrical adjustments for the PTC 69 board is not needed 1 7 31 PTC 71 Board After replacing or repairing this board check the functions of the reel position sensors using C016 REEL SHIFT MOTOR of the maintenance mode Refer to 4 2 2 SERVO CHECK Mode C0 of the maintenance manual part 1 1 7 32 RM 82 Board After replacing or repairing this board perform Adjust ment afte...

Страница 28: ...ches and indicators on this board 1 7 39 SWC 31 Board After replacing or repairing this board check the functions of the switches and volumes on this board n Perform the system phase adjustment again for the VTR referring to the manual of the analog switcher when using the analog switcher with this VTR 1 7 40 TBC 23 Board m The board that a suffix of service parts code is A is inavailable for this...

Страница 29: ...41 TBC 24 Board n The boards of board number suffixes 11 through 15 are inavailable for this unit without completing the specified modification to them After replacing Perform 6 8 TBC 24 Board Replacement of the mainte nance manual part 1 After repairing When RV202 on the TBC 24 board board number suffix is 16 and higher for DNW A100P A50P A45P was replaced set RV202 to the mechanical center When ...

Страница 30: ... in the HDD installation menu D3 INSTALLATION of the maintenance mode The HDD installation menu is automatically activated when the power is turned on first after the hard disk drive has been replaced then initialize all of the replaced hard disk drive s referring to Section 4 3 5 of the maintenance manual part 1 1 8 Perfection after Replacing the Hard Disk Drive ...

Страница 31: ...2 Outline of Electrical Alignment In Sections 3 and 4 explain the all electrical adjustment to each block include the optional boards Block Reference Contents Power supply unit Section 3 1 Output voltage check adjustment of power supply unit Search dial Section 3 2 Search dial pulse duty adjustment Demagnetization head Section 3 3 Demagnetization head driving voltage adjustment for VTR Servo Secti...

Страница 32: ...7 Digital voltmeter Advantest TR6845 7 Frequency counter Advantest TR5821AK 7 Analog composite video monitor NTSC PAL switchable type 7 Terminator 75 ohm BNC type max 5 pieces 7 BNC T adapter 75 ohm 1 piece 7 Shorting clips max 2 pieces 7 Solder iron Low power type 7 Cleaning tape Sony BCT 5CLN 7 Recording tape Sony BCT SX series BCT 32SX etc 7 Betacam SP cassette Metal particle type Sony BCT MA s...

Страница 33: ...ures of this generator below There figures are drawn from waveforms that are watched COMPONENT OUT with the waveform monitor They are measured with H rate and displayed with PARADE unless otherwise specified n In the 525 60 system when selecting either D 1 format or Betacam format set by the setup extend menu ITEM 709 CAV LEVEL FORMAT SUB ITEM 1 OUTPUT CAV LEVEL In the 625 50 system have no Betaca...

Страница 34: ...45 DNW A100P A50P A45P H Sweep fig 02 02 007 46 5 step fig 02 02 008 46 Ramp fig 02 02 009 46 BOWTIE mode Bowtie fig 02 02 004 46 Pulse and Bar fig 02 02 005 46 Multi Burst fig 02 02 006 46 2 4 Internal Video Test Signal ...

Страница 35: ...45P V rate Shallow Ramp fig 02 02 010 46 Red Signal fig 02 02 011 46 50 Flat fig 02 02 012 46 100 Flat fig 02 02 013 46 Black Burst fig 02 02 014 46 Pathological Check Code fig 02 02 015 46 2 4 Internal Video Test Signal http getMANUAL com ...

Страница 36: ... DNW A100 A50 A45 DNW A100P A50P A45P NTC7 NTSC 525 60 System only fig 02 02 016 46 fig 02 02 020 46 Line330 625 625 50 System only fig 02 02 017 46 D 1 format Betacam format 2 4 Internal Video Test Signal ...

Страница 37: ...g Betacam tape Betacam Betacam SP format as well There is no adjustment item for the digital audio system Analog audio system is only required the adjustment in this VTR 3 7 Video System Alignmnet VPR 17 Board Explains the alignment of the video system in the VTR except function by options The substance of Section 3 7 is equal to 6 9 2 Electrical Adjustments in 6 9 VPR 17 Board Replacement of the ...

Страница 38: ... cables on connector panel 3 Place the VTR on its right side panel down n Be careful not to shock the hard disk drive when laying the VTR 4 When the bottom plate was reattached remove it Refer to Section 2 3 1 of the maintenance manual part 1 5 Connect the power cord 6 Wait for 10 minutes after turning on the POWER switch Voltage Check Check each output voltage of power supply lines at the followi...

Страница 39: ... 957 071 11 Shorting clip Preparation 1 Wait more than 30 seconds after turning off the POWER switch 2 Disconnect the power cord and all cables on connector panel 3 Remove the power supply unit Refer to Section 5 30 4 Reattach a power supply panel assembly under staying on the VTR s right side panel down Do not reattach the bottom plate 5 Connect five connectors of the extension cable set to each ...

Страница 40: ...panel assembly Tools List Oscilloscope TEKTRONIX 2465B or equivalent Solder iron Test terminals such as covered wire 3 pieces Preparation 1 Remove the PTC protector after removing a screw 2 Solder the three test terminals to the connector CN2 s pins 2 3 and 6 on side B of the PTC 69 board 3 Fix the PTC 69 board with a screw that is removed at step 1 without the PTC protector 4 Attach the dial knob...

Страница 41: ...on 2 adjust the sweep time on the oscilloscope to align the 1 cycle waveform to 8 divisions width 6 During turn the search dial at the same as step 5 checks that the duty ratio on waveform satisfy the specification If the specification is not satisfied perform the adjustment Adj point 1RV2 PTC 69 outside RV Specification Duty ratio 0 50 0 04 A 4 0 0 3 divisions width Waveform on Oscilloscope Perfe...

Страница 42: ...rticle type 4 Wait more than 30 seconds after turning off the POWER switch 5 Place the VTR with its right side panel down Adjustment 1 Connect the digital voltmeter to TP902 S 11 on the MS 50 board GND E1 MS 50 C 11 in the suffix 11 or 12 or E901 MS 50 T 11 in the suffix 13 or higher 2 Turn on the POWER switch 3 During play back the inserted cassette tape in PLAY mode adjust so that the measuring ...

Страница 43: ...8 960 075 61 and CR2 1B PS Part No 8 960 096 51 Analog composite video monitor NTSC PAL switchable type n This monitor is for menu displaying Be sure to connect it to VIDEO OUTPUT COMPOSITE 3 SUPER connector Adjustment Items Section Item Section title Adjustment point Remarks 3 4 2 Servo adjustment data initialization S101 SS 63 Perform Section 3 4 2 only when replacing the MS 50 board or NV RAM I...

Страница 44: ...ormally 6 To exit the maintenance mode press the MENU button five times 3 4 4 Capstan Free Speed Adjustment Prepare the following three alignment tapes to perform this adjustment SR2 1 for 525 60 system SR2 1P for 625 50 system CR2 1B for DNW A100 A50 A45 only CR2 1B PS for DNW A100P A50P A45P only Adjustment in 525 60 or 625 50 System 1 To enter the maintenance mode press S1101 G 1 on the SS 63 b...

Страница 45: ... the time code 00 25 00 00 2 To enter the maintenance mode press S1101 G 1 on the SS 63 board 3 Enter A011 RF SWITCHING POS in the mainte nance mode The alignment tape is ejected on the way to menu A011 4 Insert this alignment tape again then the adjustment is executed automatically Message ADJUST COMPLETE is displayed on the video monitor when this automatic adjustment is completed normally 5 To ...

Страница 46: ...IDEO OUTPUT COMPOSITE 3 SUPER connector Extension board EX 377 Part No J 6269 810 A for the extension of DM 89 board Cleaning tape BCT 5CLN Sony s standard products Alignment tapes for DNW A100 A50 A45 SR5 1 Part No 8 960 075 01 CR5 1B Part No 8 960 096 41 and CR5 2A Part No 8 960 097 44 Alignment tapes for DNW A100P A50P A45P SR5 1P Part No 8 960 075 51 CR5 1B PS Part No 8 960 096 91 and CR5 2A P...

Страница 47: ...ic Adjustment Failure in Section 4 2 8 of the maintenance manual part 1 Overall RF System Adjustment 1 Insert the alignment tape SR5 1 or SR5 1P then search it in time code 00 01 00 2 To enter the maintenance mode press S1101 G 1 of the SS 63 board PB system adjustment 3 Enter A17 A10 A16 ALL ADJUST A11 A16 ALL ADJUST in the maintenance mode Message Auto Adjust Press SET is displayed on the video ...

Страница 48: ...he data by turning the search dial In the time data display area of the VTR display the item by turning it RF G M Y A for example 2 To change the data turn the search dial with the JOG button pressing EQ Output Level Adjustment 1 To enter the maintenance mode press S1101 G 1 on the SS 63 board 2 Enter A3 BETACAM PB ADJUST in the mainte nance mode 3 Enter A30 EQ VR 4 Set the following data to all t...

Страница 49: ...they are identical amplitude 12 To perform the tape operation press the SET button once 13 Stop the playback of the alignment tape METAL C adjustment 14 Change the connection of the oscilloscope as follows Keep the setting of the oscilloscope CH 1 TP300 DM 89 B 7 GND E301 DM 89 B 7 CH 2 TP5 DM 89 D 1 GND E702 DM 89 D 1 15 Play back the flat field signal portion 24 00 to 26 00 of the alignment tape...

Страница 50: ...scope s trigger to the slope then adjust the level of OXIDE Y B ch B of OXIDE Y Adj point A30 EQ VR RF GAIN OXIDE Y B Specification D 250 20 mV p p 34 While switching the polarity _ of the oscillo scope s trigger slope fine adjust the level difference between the OXIDE Y A and OXIDE Y B until they are identical amplitude 35 To perform the tape operation press the SET button once 36 Stop the playba...

Страница 51: ...ult of auto matic adjustment become FAIL or NG If the adjustment with the automatic adjustment mode does not complete properly an error message Auto Adjust Failure or Condition NG will be displayed on the video monitor refer to For Condition NG Auto matic Adjustment Failure in Section 4 2 8 of the maintenance manual part 1 Recording Current Adjustment 1 Insert the recording tape 2 To enter the mai...

Страница 52: ...illoscope TEKTRONIX 2465B or equivalent Extension board EX 556 Part No A 8277 212 A Shorting clip Alignment tape for DNW A100 A50 A45 CR8 1A Part No 8 960 097 45 Alignment tapes for DNW A100P A50P A45P CR8 1A PS Part No 8 960 098 45 and CR8 1B PS Part No 8 960 096 86 Composite video monitor n This monitor is for menu displaying Be sure to connect it to VIDEO OUTPUT COMPOSITE 3 SUPER connector Adju...

Страница 53: ... R CH2 1RV602 APR 12 AUDIO OUTPUT CH2 METAL for DNW A100P A50P A45P only MONITOR OUTPUT R CH1 1RV502 APR 12 AUDIO OUTPUT CH1 METAL for DNW A100P A50P A45P only MONITOR OUTPUT L 4 LAU Dolby level adj CH1 1RV503 APR 12 TP501 APR 12 CH2 1RV604 APR 12 TP601 APR 12 5 LAU PB level adj CH2 1RV605APR 12 AUDIO OUTPUT CH2 MONITOR OUTPUT R CH1 1RV504 APR 12 AUDIO OUTPUT CH1 MONITOR OUTPUT L 6 LAU PB phase ad...

Страница 54: ... headroom ______________ 8 20 COR300 A 4 Analog audio CH1 output headroom ______________ 8 20 COR301 B 5 Analog audio CH1 output level ______________ 8 4 COR400 B 4 Analog audio CH2 output headroom ______________ 8 20 COR401 C 5 Analog audio CH2 output level ______________ 8 4 COR500 D 4 Analog audio CH3 output headroom ______________ 8 20 COR501 E 5 Analog audio CH3 output level ______________ 8 ...

Страница 55: ... control panel EMPHASIS switch ______________ 8 OFF CHARACTER switch ______________ 8 ON DOLBY NR switch ______________ 8 OFF KEY INHIBIT switch ______________ 8 OFF Connector panel only without BKNW 105 AUDIO INPUT CH1 LEVEL switch ______________ 8 HIGH ON 600Z Set to the right position AUDIO INPUT CH2 LEVEL switch ______________ 8 HIGH ON 600Z Set to the right position AUDIO INPUT CH3 LEVEL swit...

Страница 56: ... filter 80 kHz LPF CH1 adjustment 4 Connect the audio analyzer s input to AUDIO OUT PUT CH1 connector 5 Adjust the audio level on the audio analyzer Adj point 1RV300 APR 13 B 4 Specification 4 0 0 1 dBm at 600 Z load CH2 adjustment 6 Connect the audio analyzer s input to AUDIO OUT PUT CH2 connector 7 Adjust the audio level on the audio analyzer Adj point 1RV400 APR 13 C 4 Specification 4 0 0 1 dBm...

Страница 57: ...nt 2 Short circuit TP101 B 1 and E100 B 2 on the APR 13 board with a shorting clip 3 Adjust so that audio CH3 part of the waveform at TP700 makes the same waveform to the Figure 1 left side Adj point 1RV103 APR 13 C 2 4 Remove the shorting clip on the APR 13 board CH4 adjustment 5 Short circuit TP201 F 1 and E200 E 2 on the APR 13 board with a shorting clip 6 Change the oscilloscope s trigger to t...

Страница 58: ...circuit TP100 B 1 and E100 B 2 on the APR 13 board with a shorting clip 3 Input the audio signal 1 kHz 4 0 dBm to AUDIO INPUT CH3 connector 4 Connect the audio analyzer s input to AUDIO OUT PUT CH3 connector 5 Adjust the audio level on the audio analyzer Adj point 1RV100 APR 13 B 1 Specification 4 0 0 1 dBm at 600 Z load 6 Remove the shorting clip on the APR 13 board 7 Adjust the audio level on th...

Страница 59: ...TP600 COR501 COR500 20 18 16 E500 RV500 TP500 COR401 COR400 20 18 16 E400 RV400 TP400 COR301 COR300 20 18 16 E300 RV300 TP300 EP GW 20 3 0 4 20 3 0 4 20 3 0 4 3 6 6 Analog Audio Monitor Outputs L R Adjustment APR 12 Board Preparing tools Audio analyzer TEKTRONIX AA501A option 02 or equivalent Extension board EX 556 Part No A 8277 212 A Analog composite video monitor n This monitor is for menu disp...

Страница 60: ...ADE IN JAPAN EP GW 3 6 7 Analog Audio Offsets CH1 2 Adjustment APR 12 Board Preparing tools Oscilloscope TEKTRONIX 2465B or equivalent Extension board EX 556 Part No A 8277 212 A Shorting clip Preparation 1 Check that the shorting plug settings on the APR 12 board are factory settings Refer to Shorting plugs setting in Section 3 6 2 2 Extend the APR 12 board with an extension board EX 556 n Wait m...

Страница 61: ... BKNW 105 optional kit Section 3 6 8 is not needed Preparing tools Audio signal generator TEKTRONIX SG505 option 02 or equivalent Audio analyzer TEKTRONIX AA501A option 02 or equivalent Extension board EX 556 Part No A 8277 212 A Shorting clip Preparation 1 Check that the shorting plug settings on the APR 12 13 boards are the factory settings Refer to Shorting plugs setting in Section 3 6 2 2 Exte...

Страница 62: ...the shorting clip on the APR 12 board 13 Adjust the audio level on the audio analyzer Adj point 1RV201 APR 12 E 3 Specification 4 0 0 1 dBm at 600 Z load 2 Distortion Rate Adjustment 1 Set the audio analyzer as follows Function mode THD N Range 2 Input filter 80 kHz LPF CH2 adjustment 2 Input the audio signal 1 kHz 23 5 dBm to AUDIO INPUT CH2 connector 3 Connect the audio analyzer s input to AUDIO...

Страница 63: ...ff the power then remove the APR 12 board 3 Clean the AT head Clean the tape running surface of the AT head Refer to 5 2 5 Stationary Heads Cleaning of the maintenance manual part 1 n Perform the cleaning under the power off 4 Check the settings on the upper control panel PB audio level controls CH1 8 PRESET CH2 8 PRESET MONITOR SELECT L 8 CH1 R 8 CH2 REMOTE LOCAL selection 8 LOCAL 9P unlit 5 Chec...

Страница 64: ...ion 0 00 to 2 55 of the alignment tape CR8 1A CR8 1B PS in PLAY mode 6 Adjust the audio level on the audio level meter Adj point 1RV604 APR 12 E 1 Specification _10 0 0 5 dBu 0 dBu 0 775 V rms 2 LAU PB Level Rough Adjustment 1 Set the audio analyzer as follows Function mode LEVEL dBm 600 Z Input filter 80 kHz LPF CH2 adjustment 2 Connect the audio analyzer s input to AUDIO OUT PUT CH2 connector Wh...

Страница 65: ...back the following specified portions _20 VU of the CR8 1A CR8 1A PS in PLAY mode check or adjust the dB ratio in response to each frequency portion n If the specification for RV600 adjustment is not satisfied readjust after changing the setting of S600 G 1 on the APR 12 board APR 12 Board Side A 3 6 Audio System Adjustment APR 12 13 Boards 3 6 9 LAU PB System Adjustment APR 12 Board S600 RV600 RV...

Страница 66: ...05 E600 TP501 RV503 TP500 RV501 RV502 RV500 S500 RV203 E200 TP700 TP560 RV202 COR201 20 18 16 RV200 TP201 TP200 RV201 RV103 E100 RV102 COR200 0 3 20 4 COR101 20 18 16 TP101 RV100 TP100 RV101 COR100 0 3 20 4 COR400 16 18 20 COR401 VAR R UNITY R TP400 RV400 E400 TP701 COR402 4 0 3 20 COR300 16 18 20 COR301 VAR L UNITY L TP300 RV300 E300 COR302 4 0 3 20 1 2 3 4 5 6 7 A A B RV504 E500 C D E F G A No L...

Страница 67: ...he audio analyzer as follows Function mode LEVEL dBm 600 Z Input filter 80 kHz LPF CH2 adjustment 2 Connect the audio analyzer s input to AUDIO OUT PUT CH2 connector When the VTR is equipped with BKNW 105 optional kit connect the audio analyzer to MONITOR OUT PUT R connector 3 Play back the 1 kHz 0 VU portion 0 00 to 2 55 of the following alignment tape in PLAY mode For DNW A100 A50 A45 CR8 1A For...

Страница 68: ...EO OUTPUT COMPOSITE 3 SUPER connector Extension board EX 555 Part No A 8277 211 A 75 Z terminators 3 pieces 75 Z BNC T adapter 3 7 Video System Alignment VPR 17 Board 3 7 1 Adjustment Overview When the VPR 17 board was replaced or repaired perform the video system alignment The adjustments are the manually adjustments using the menu of the maintenance mode m In the DNW A100 A50 A45 be sure to adju...

Страница 69: ...check If the specification is not satisfied change the adjustment data A20 VPR VR REF 1st FLD DET TP502 VPR 17 F 3 Data save A2F NV RAM CONTROL 3 7 7 Internal 4fsc frequency adjustment A20 VPR VR INT 4Fsc FREQ TP501 VPR 17 A 1 Data save A2F NV RAM CONTROL 3 7 8 Preparation in another system DNW A100 A50 A45 625 50 system DNW A100P A50P A45P 525 60 system 3 7 9 Composite video output level adjustme...

Страница 70: ...AL 3 Check that the operation system is setting as follows DNW A100 A50 A45 525 60 system DNW A100P A50P A45P 625 50 system If differed change the operation system in the setup menu ITEM 013 before adjusting For the ITEM 013 refer to Section 7 2 2 of the operation manual 4 For the DNW A100 A50 A45 only Set the ITEM 709 and 713 in the setup extended menu as follows ITEM No SUB ITEM Customer setting...

Страница 71: ...ch 8 PRESET CHROMA PHASE switch 8 PRESET 3 Connect the analog composite waveform monitor as shown Connection 1 on Figure Connections 4 Check the setup extend menu setting For the DNW A100 A50 A45 only ITEM 713 VIDEO SETUP REFERENCE LEVEL 4 OUTPUT LEVEL 8 0 0 5 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and composite waveform monitor through the power for ...

Страница 72: ...MPOSITE 3 SUPER connector If the super imposed picture obstructs set the CHARACTER switch on the sub control panel to OFF Be sure to return it to ON after checking adjusting 6 To exit A20 VPR VR press the MENU button once Data save Store the adjusted data When the adjustment was not performed in step 5 skip over to step 9 7 Enter A2F NV RAM CONTROL then execute SAVE ALL ADJUST DATA Message Save Co...

Страница 73: ...PRESET 3 Connect the analog component waveform monitor as shown Figure Connection 4 Check the setup extend menu settings For the DNW A100 A50 A45 only ITEM 709 CAV LEVEL FORMAT 1 OUTPUT CAV LEVEL 8 D 1 ITEM 713 VIDEO SETUP REFERENCE LEVEL 4 OUTPUT LEVEL 8 0 0 5 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and component waveform monitor through the power for...

Страница 74: ... Enter A2F NV RAM CONTROL then execute SAVE ALL ADJUST DATA Message Save Complete is displayed on the video monitor when this data save is completed normally n When loading the previous data without save the current adjusted data execute ALL DATA PREVI OUS 8 To exit A2F NV RAM CONTROL press the MENU button once 2 Output Phase Check 1 To exit the A2 AUDIO VIDEO ADJUST press the MENU button once 2 I...

Страница 75: ...T UP or BLACK LEVEL switch 8 PRESET Y C DELAY switch 8 PRESET CHROMA PHASE switch 8 PRESET 3 Connect the oscilloscope as shown Figure Connection 4 Check the setup extend menu settings ITEM 709 CAV LEVEL FORMAT 1 OUTPUT CAV LEVEL 8 B CAM ITEM 713 VIDEO SETUP REFERENCE LEVEL 4 OUTPUT LEVEL 8 0 0 5 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and oscilloscope ...

Страница 76: ...loscope s CH 1 input to VIDEO OUTPUT COMPONENT B Y connector then check the output level If the specification is not satisfied perform the adjustment Adj point A20 VPR VR B Y OUTPUT LEVEL Specification B 757 7 mV p p 8 To exit A20 VPR VR press the MENU button once Data save Store the adjusted data When the adjustment was not performed in both step 6 and step 7 skip over to step 11 9 Enter A2F NV R...

Страница 77: ...ment has warmed up Before starting the adjustment warm up the VTR and other equipment through the power for 30 minutes or more Setting of Composite Waveform Vector Monitor In this section the analog composite waveform vector monitor is abbreviated vector for short 1 Set the vector as follows SCH mode INPUT CH A EXT REF 2 Align the SYNC phase to 0 degree using the vector s PHASE knob so that the be...

Страница 78: ...he oscilloscope 9 To return the position of the BURST signal to be displayed on the vector turn SG2 s SC PHASE control knob clockwise 2 10 Confirm that the difference between the angles A and B is within specification If the specification is not satisfied perform steps 1 through 4 Specification A _ B 0 10d 11 To exit the A20 VPR VR press the MENU button once Perform following steps 1 and 2 when th...

Страница 79: ...Reference Color Frame Pulse Check Standard System only 3 7 7 Internal 4fsc Frequency Adjustment Data save Store the adjusted data When the data of REF 1ST FLD DET in A20 VPR VR was not changed skip over to step 14 12 Enter A2F NV RAM CONTROL then execute SAVE ALL ADJUST DATA Message Save Complete is displayed on the video monitor when this data save is completed normally n When loading the previou...

Страница 80: ...ideo system to a 625 50 system using the setup menu ITEM 013 525 625 SYSTEM SELECT Refer to Section 7 2 2 of the operation manual 6 Set the analog composite monitor to the PAL mode For the DNW A100P A50P A45P 1 Wait more than 30 seconds after turning off the POWER switch 2 Stop the extending of the VPR 17 board 3 Turn on the POWER switch 4 Turn the video system to a 525 60 system using the setup m...

Страница 81: ...ET Y C DELAY switch 8 PRESET CHROMA PHASE switch 8 PRESET 3 Connect the oscilloscope as shown Connection 1 on Figure Connections n When using the analog composite waveform monitor refer to Section 3 7 3 for the connection of it 4 Check the setup extend menu setting For the DNW A100P A50P A45P only ITEM 713 VIDEO SETUP REFERENCE LEVEL 4 OUTPUT LEVEL 8 0 0 5 Check that the equipment has warmed up Be...

Страница 82: ... to return it to ON after checking adjusting 7 To exit A20 VPR VR press the MENU button once Data save Store the adjusted data When the adjustment in step 6 was not performed skip over to step 10 8 Enter A2F NV RAM CONTROL then execute SAVE ALL ADJUST DATA Message Save Complete is displayed on the video monitor when this data save is completed normally n When loading the previous data without save...

Страница 83: ... LOCAL VIDEO switch 8 PRESET CHROMA switch 8 PRESET SET UP or BLACK LEVEL switch 8 PRESET Y C DELAY switch 8 PRESET CHROMA PHASE switch 8 PRESET 3 Connect the analog component waveform monitor as shown Figure Connection 4 Check the setup extend menu settings For the DNW A100P A50P A45P only ITEM 709 CAV LEVEL FORMAT 1 OUTPUT CAV LEVEL 8 D 1 ITEM 713 VIDEO SETUP REFERENCE LEVEL 4 OUTPUT LEVEL 8 0 0...

Страница 84: ...ore the adjusted data When the adjustment was not performed in step 5 skip over to step 9 7 Enter A2F NV RAM CONTROL then execute SAVE ALL ADJUST DATA Message Save Complete is displayed on the video monitor when this data save is completed normally n When loading the previous data without save the current adjusted data execute ALL DATA PREVI OUS 8 To exit A2F NV RAM CONTROL press the MENU button o...

Страница 85: ...t Analog component video signal generator TEKTRONIX TSG 300 or equivalent n It is required that the component video signal generator is able to output the 50 bowtie signal Analog composite waveform vector monitor For NTSC TEKTRONIX 1750 1780R or equivalent For PAL TEKTRONIX 1751 1781R or equivalent Analog component waveform monitor TEKTRONIX WFM300 or equivalent Oscilloscope TEKTRONIX 2465B or equ...

Страница 86: ... 89 TP304 DM 89 Main A33 DM VR 2 MAIN METAL C A TP7 DM 89 A33 DM VR 2 MAIN METAL C B Sub A34 DM VR 3 SUB METAL C A NTSC model Set the data 70 A34 DM VR 3 SUB METAL C B PAL model TP6 DM 89 OXIDE C Group delay 1RV303 DM 89 1RV304 DM 89 TP304 DM 89 Main A33 DM VR 2 MAIN OXIDE C A TP7 DM 89 A33 DM VR 2 MAIN OXIDE C B Sub A34 DM VR 3 SUB OXIDE C A TP6 DM 89 A34 DM VR 3 SUB OXIDE C B OXIDE Y Group delay...

Страница 87: ...sing the spectrum analyzer at a later date 3 8 10 Demodulator limiter balance adjustment Y 1RV502 DM 89 TP501 DM 89 C 1RV702 DM 89 TP8 DM 89 3 8 11 Non liner output level adjustment METAL Y 1RV503 DM 89 TP505 DM 89 METAL C 1RV703 DM 89 For PAL TP705 DM 89 1RV704 DM 89 For NTSC OXIDE C 1RV704 DM 89 For PAL only TP705 DM 89 OXIDE Y 1RV504 DM 89 TP505 DM 89 3 8 12 PB frequency response adjustment MET...

Страница 88: ...DM VR 4 GUARD BAND O YVideo monitor A35 DM VR 4 GUARD BAND O C Data save A3F NV RAM CONTROL 3 8 18 Component output level adjustment METAL Y 1RV101 TBC 24 VIDEO OUTPUT COMPONENT Y METAL C 1RV201 TBC 24 VIDEO OUTPUT COMPONENT R Y B Y OXIDE Y 1RV504 DM 89 VIDEO OUTPUT COMPONENT Y 3 8 19 A D clamp DC level adjustment C 1RV202 TBC 24 2 TP202 TBC 24 Y 1RV102 TBC 24 2 TP102 TBC 24 3 8 20 VCO lock in ran...

Страница 89: ...IDE 1RV501 TBC 24 VIDEO OUTPUT COMPONENT 3 8 27 VISC phase adjustment 1RV200 TBC 23 VIDEO OUTPUT COMPONENT Y A37 TBC VR VISC PHASE 9 Data save A3F NV RAM CONTROL 4 RV400 is not equipped on the TBC 24 board of board number suffixes 14 and higher 5 RV402 is not equipped on the TBC 24 board of board number suffixes 14 and higher for PAL 6 If the specification is not satisfied by adjusting RV300 on TB...

Страница 90: ...EXT ___________ 8 INT PRESET REGEN ___________ 8 REGEN FREE RUN REC RUN ___________ 8 REC RUN REMOTE LOCAL ___________ 8 LOCAL unlit 9P 3 For the DNW A100 A50 A45 only Set the ITEM 709 and 713 in the setup extended menu as follows ITEM No Customer Setting at SUB ITEM setting adjustment 709 CAV LEVEL FORMAT 1 OUTPUT CAV LEVEL _________ 8 B CAM 713 VIDEO SETUP REFERENCE LEVEL 0 MASTER LEVEL ________...

Страница 91: ...D B7 MAIN METAL C A 8E 8D MAIN METAL C B 8E 8D MAIN OXIDE Y A A6 A8 MAIN OXIDE Y B A6 A8 MAIN OXIDE C A 9E 9E MAIN OXIDE C B 9E 9E Initial data Item A3 BETACAM ADJUST NTSC PAL A34 DM VR 3 SUB METAL Y A AF B2 SUB METAL Y B AF B2 SUB METAL C A 70 91 SUB METAL C B 70 91 SUB OXIDE Y A B2 BB SUB OXIDE Y B B2 BB SUB OXIDE C A A7 A8 SUB OXIDE C B A7 A8 A35 DM VR 4 GUARD BAND METAL Y 1D 38 27 29 GUARD BAN...

Страница 92: ...3 Check the setting on the upper control panel REMOTE LOCAL 8 LOCAL unlit 9P 4 Check the setting on the sub control panel CHARACTER switch 8 ON 5 Connect the equipment Connect the oscilloscope and network analyzer Refer to Figure Connection and Setting of Network Analyzer 6 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and other equipment through the power f...

Страница 93: ...2 then check that the data of the all items in A33 DM VR 2 are the specified data value If not set them to the specified data Initial data Initial data Item A33 DM VR 2 for NTSC for PAL MAIN METAL Y A CD B7 MAIN METAL Y B CD B7 MAIN METAL C A 8E 8D MAIN METAL C B 8E 8D MAIN OXIDE Y A A6 A8 MAIN OXIDE Y B A6 A8 MAIN OXIDE C A 9E 9E MAIN OXIDE C B 9E 9E 2 METAL Y Adjustment 1 Short circuit TP4 DM 89...

Страница 94: ... SUB METAL Y B in A34 DM VR 3 to the identical data value as SUB METAL Y A 13 To exit A34 DM VR 3 press the MENU button once 14 Disconnect the shorting clip from TP4 DM 89 E 1 DM 89 Board Side A dB B 2 12 MHz A MAG 1 dB 0 dB B 2 12 MHz 0 A MAG 1 dB NTSC model PAL model dB C 2 12 MHz 0 A MAG 2 dB RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 T...

Страница 95: ...301 DM 89 A 5 and 1RV302 DM 89 A 5 Specification 0 20 ns Main adjustment METAL C 5 Enter A33 DM VR 2 6 Connect the oscilloscope s CH 2 input to TP7 DM 89 C 1 GND E702 DM 89 D 1 7 Adjust the level at 8 MHz using 2 MHz as the refer ence Adj point A33 DM VR 2 MAIN METAL C A Specification B 0 5 0 5 dB 8 Set the data of MAIN METAL C B in A33 DM VR 2 to the identical data value as MAIN METAL C A 9 To ex...

Страница 96: ... To operate the maintenance mode press the MENU button once 15 To exit A34 DM VR 3 press the MENU button once 4 OXIDE C Adjustment 1 Insert the following alignment tape in order to set STANDBY OFF mode NTSC model CR5 2A PAL model CR5 2A PS m Shorting clip is in short circuit between TP5 DM 89 D 1 and E702 DM 89 D 1 The network analyzer s output is in connection to TP303 DM 89 B 5 GND E301 DM 89 B ...

Страница 97: ... SUB OXIDE C A 13 To exit A34 DM VR 3 press the MENU button once 14 Disconnect the shorting clip from TP5 DM 89 D 1 dB C 2 7 MHz 0 A MAG 2 dB DM 89 Board Side A NTSC model PAL model dB B 2 6 MHz 0 A MAG 1 dB dB B 2 7 MHz 0 A MAG 1 dB RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP5 TP4 TP6 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP50...

Страница 98: ...and E702 DM 89 D 1 with a shorting clip 2 When 1RV103 DM 89 E 5 is equipped turn it fully counterclockwise 2 3 Connect the network analyzer s output to TP103 DM 89 E 6 GND E103 DM 89 F 6 n The alignment tape CR5 2A or CR5 2A PS is still in the VTR STANDBY OFF mode Group delay adjustment OXIDE Y 4 Connect the oscilloscope s CH 2 input to TP104 DM 89 F 5 GND E104 DM 89 G 5 5 Adjust the delay time at...

Страница 99: ...button four times Sub adjustment OXIDE Y 11 Enter A34 DM VR 3 12 Connect the oscilloscope s CH 2 input to TP2 DM 89 E 1 GND E702 DM 89 D 1 13 Adjust the level at 8 MHz using 2 MHz as the refer ence Adj point A33 DM VR 3 SUB OXIDE Y A Specification NTSC model C 14 0 0 5 dB PAL model C 17 0 0 5 dB NTSC model PAL model dB C 2 8 MHz 0 A MAG 2 dB dB C 2 8 MHz 0 A MAG 2 dB 3 8 Analog Betacam PB System A...

Страница 100: ...ROL then execute SAVE ALL ADJUST DATA Message Save Complete is displayed on the video monitor when this data save is completed normally n When loading the previous data without save the current adjusted data execute ALL DATA PREVI OUS 4 To exit the maintenance mode press the MENU button four times 3 8 6 Cosine Equalizer Provisional Adjustment n This provisional adjustment explains how to adjust wi...

Страница 101: ...A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP704 E701 TP703 TP702 TP701 TP305 TP700 TP306 TP208 RV301 RV302 RV303 RV304 RV401 RV701 RV702 RV402 RV406 RV407 TEST S301 TP304 E302 TP303 TP302 E301 TP300 TP404 TP403 RV405 TP503 E501 TP504 TP502 RV502 RV501 RV506 RV507 TP500 TP506 TP501 TP106 TP105 RV102 RV104 RV101 RV103 RV305 RV306...

Страница 102: ...Before starting the adjustment warm up the VTR and oscilloscope through the power for 20 minutes or more 1 METAL Y Adjustment 1 Connect and set the oscilloscope as follows CH 1 TP3 DM 89 E 1 AC 100 mV DIV GND E702 DM 89 D 1 CH 2 TP4 DM 89 E 1 DC 1 V DIV GND E702 DM 89 D 1 TIME 2 ms DIV TRIG CH 2 _ slope 2 During play back the alignment tape in PLAY mode adjust the level at the middle of V period P...

Страница 103: ...12 DM 89 G 6 Specification D 400 40 mV p p 3 Stop the playback of the alignment tape n It is not necessary to eject the alignment tape when perform subsequent 3 8 8 OMC Carrier Balance Adjustment C D RV406 RV407 RV211 RV212 RV704 RV703 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 TP8 TP6 TP2 TP1 RV504 E105 LOTNO S NO S501 TP505 TP705 TP704 E701 TP703 TP702 ...

Страница 104: ...BIT switch 8 OFF 5 Connect the equipment Connect the oscilloscope and spectrum analyzer Refer to Figure Connection and Setting of Spectrum Analyzer 6 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and other equipment through the power for 20 minutes or more Oscilloscope AGATE OUT CH 2 OUT CF SPAN PBW VBW SWP TIME CH 1 IN CH 2 IN Spectrum analyzer EXIT TRIG 10...

Страница 105: ... playback of the alignment tape 2 OXIDE C Adjustment 1 Change the connection of the oscilloscope as follows CH 1 TP5 DM 89 D 1 GND E702 DM 89 D 1 CH 2 TP305 DM 89 C 4 GND E303 DM 89 B 1 2 During play back the alignment tape in PLAY mode adjust the level difference between the fc and 2fc on the spectrum analyzer PB portion Pulse bar signal 9 00 to 11 00 of CR5 2A NTSC CR5 2A PS PAL Adj points 1RV30...

Страница 106: ... E 1 GND E702 DM 89 D 1 CH 2 TP105 DM 89 G 4 GND E105 DM 89 G 1 2 During play back the alignment tape in PLAY mode adjust the level difference between the fc and 2fc on the spectrum analyzer PB portion Flat field signal 24 00 to 26 00 of CR5 1B NTSC CR5 1B PS PAL Adj points 1RV105 DM 89 F 4 and 1RV106 DM 89 F 5 Specification D 40 dB 3 Stop the playback of the alignment tape n It is not necessary t...

Страница 107: ... Board Side A RV105 F 4 RV106 F 5 RV107 F 5 RV108 F 5 RV305 F 4 RV306 F 5 RV307 F 5 RV308 F 5 RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP704 E701 TP703 TP702 TP701 TP305 TP700 TP306 TP208 RV301 RV302 RV303 RV304 RV401 RV701 RV702 RV402 RV406 RV407 TEST S301 TP304 E30...

Страница 108: ...the equipment has warmed up Before starting the adjustment warm up the VTR and other equipment through the power for 20 minutes or more 3 8 10 Demodulator Limiter Balance Adjustment n For the Y adjustment When the spectrum analyzer is not available for an urgent maintenance omit steps 2 through 4 in the Y adjustment If step 1 is done only be sure to perform the steps 2 through 4 in the Y adjustmen...

Страница 109: ...nce between the fc and 2fc on the spectrum analyzer PB portion Flat field signal 24 00 to 26 00 of CR5 1B NTSC CR5 1B PS PAL Adj point 1RV502 DM 89 E 3 Specification Maximize the level difference A Minimize the fc 4 Stop the playback of the alignment tape DM 89 Board Side A NTSC model PAL model A 8 9 MHz 17 7 MHz 2fc fc A 2fc 7 6 MHz fc 15 3 MHz RV704 RV703 A D902 B C D E F G S901 DM 89 RV503 E303...

Страница 110: ...minutes or more 1 METAL Y Adjustment 1 Connect and set the oscilloscope as follows CH 1 TP505 DM 89 E 2 AC 200 mV DIV GND E501 DM 89 E 3 TIME 10 us DIV 2 During play back the alignment tape in PLAY mode adjust the level of specified part on the oscilloscope PB portion Color bar signal 14 00 to 17 00 of CR5 1B NTSC CR5 1B PS PAL Adj point 1RV503 DM 89 F 1 Specification A 1 00 0 01 V 3 Stop the play...

Страница 111: ...gnment tape in PLAY mode adjust the level of specified part on the oscilloscope PB portion 75 color bar signal NTSC 14 00 to 17 00 in CR5 1B PAL 0 00 to 3 00 in CR5 2A PS Adj point 1RV704 DM 89 B 1 Specification C 700 10 mV 3 Stop the playback of the alignment tape 4 For NTSC model only Eject the alignment tape 3 OXIDE Y Adjustment 1 Change the connection of the oscilloscope as follows CH 1 TP505 ...

Страница 112: ...an extension board EX 377 n Before removing DM 89 board wait for more than 30 seconds after turning off the POWER switch 2 Check the switch setting on the SS 63 board S1100 1 J 1 8 ON 3 Check the switch settings on the DM 89 and TBC 23 boards Reset the switch settings on the DM 89 and TBC 23 boards to the factory settings Refer to step 1 in 3 8 2 Common Preparation 4 Check the setting on the upper...

Страница 113: ...o the specified data Initial data Initial data Item A32 DM VR 1 for NTSC model for PAL model EQ1 METAL Y A 79 80 EQ1 METAL Y B 79 80 EQ1 METAL C A 7C 90 EQ1 METAL C B 7C 90 EQ1 OXIDE Y A A6 A1 EQ1 OXIDE Y B A6 A1 EQ1 OXIDE C A 90 AD EQ1 OXIDE C B 90 AD 3 To perform the tape operation press the SET button once VIDEO INPUT REF VIDEO DNW EXT REF Component waveform monitor Video monitor 75 Z BLACK BUR...

Страница 114: ...he SET button once 7 During play back the alignment tape in PLAY mode check each level at the other frequency parts PB portion The same as step 2 Specification A and B channels See the table below 8 Connect the video monitor to VIDEO OUTPUT COMPOSITE 2 connector 9 During play back the alignment tape in PLAY mode check the playback picture on the video monitor PB portion The same as step 2 Specific...

Страница 115: ...reference level 100 0 dB 3 Restart the playback of alignment tape from the top of PB portion in PLAY mode PB portion The same as step 2 4 To operate the maintenance mode press the MENU button once 5 Adjust the level at 1 MHz NTSC 1 5 MHz PAL PB portion The same as step 2 Adj points A channel A32 DM VR 1 EQ1 METAL C A B channel A32 DM VR 1 EQ1 METAL C B Specifications A and B channels See the table...

Страница 116: ... the output level difference of A and B channels at 4 5 MHz part is noticeable change the data of SUB OXIDE Y A or SUB OXIDE Y B in A34 DM VR 3 as following steps 1 to 8 1 To operate the maintenance mode press the MENU button once 2 To exit A32 DM VR 1 press the MENU button once 3 Enter A34 DM VR 3 4 Change the data of SUB OXIDE Y A A channel side and judge a lower level channel Specifications for...

Страница 117: ...eck that the B Y output signal levels at every frequencies are within specifications shown below If the B Y output signal is out of specifications perform fine adjustment for R Y until the specifica tions for R Y and B Y output signals 10 Eject the alignment tape 11 To operate the maintenance mode press the MENU button once 12 To exit A32 DM VR 1 press the MENU button once Specifications for NTSC ...

Страница 118: ...alignment tape in PLAY mode measure the level at 6 MHz part PB portion RF sweep signal 0 00 to 2 00 of CR5 1B NTSC CR5 1B PS PAL This measured level is reference level 100 0 dB 3 During play back the alignment tape in PLAY mode adjust the levels at 8 MHz and 10 MHz parts PB portion The same as step 2 Adj point 1RV201 DM 89 G 5 Specifications Level at 6 MHz is 100 0 dB 8 MHz 100 20 0 2 0 dB 10 MHz ...

Страница 119: ...sweep signal 0 00 to 2 00 of CR5 1B NTSC CR5 1B PS PAL This measured level is reference level 100 0 dB 3 During play back the alignment tape in PLAY mode adjust the levels at 8 MHz and 10 MHz parts PB portion The same as step 2 Adj point 1RV401 DM 89 G 4 Specifications Level at 6 MHz is 100 0 dB 8 MHz 100 20 0 2 0 dB 10 MHz 110 40 2 0 4 0 dB _20 _2 0 4 Stop the playback of the alignment tape n It ...

Страница 120: ...EY INHIBIT switch 8 OFF 5 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and oscilloscope through the power for 20 minutes or more 1 Threshold Level Setting Check 1 To enter the maintenance mode press S1101 G 1 on the SS 63 board 2 Enter A36 DM VR 5 then check that the data of the following items in A35 DM VR 4 are the specified data value If not set them to ...

Страница 121: ... 00 of CR5 1B NTSC CR5 1B PS PAL Adj point 1RV405 DM 89 C 6 Specification B 2 0 0 2 V dc 3 Stop the playback of the alignment tape n It is not necessary to eject the alignment tape when perform subsequent 3 8 16 Search Picture Adjust ment DM 89 Board Side A A 0 V B 0 V RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 ...

Страница 122: ...00 of CR5 1B NTSC CR5 1B PS PAL Measurement point Measured DC level fill up TP500 DM 89 D 4 _______________ TP502 DM 89 F 3 _______________ TP702 DM 89 C 3 _______________ 2 Stop the playback of the alignment tape 3 Turn RV507 DM 89 D 4 fully clockwise 2 4 Short circuit TP506 DM 89 D 4 and E501 DM 89 E 3 with a shorting clip 5 Short circuit TP700 DM 89 C 4 and E701 DM 89 D 3 with a shorting clip 6...

Страница 123: ...ent tape in the following playback mode check level of C on the oscilloscope PB portion The same as step 2 NTSC 24 times speed playback PAL REW playback Specification Level in Normal PB is 100 0 dB C 100 10 0 1 0 dB 5 Stop the playback of the alignment tape n It is not necessary to eject the alignment tape when perform subsequent 3 8 17 Guard Band Width Adjustment Specifications for NTSC model Spe...

Страница 124: ...TAL C 1C 21 23 16 GUARD BAND OXIDE Y 32 48 2F 3B GUARD BAND OXIDE C 31 30 29 16 When the board number suffix of the DM 89 board is 13 3 To perform the tape operation press the SET button once 4 Set the CHARACTER switch to OFF 2 METAL Guard Band Width Check 1 During play back the alignment tape in JOG mode turn the search dial until guard band appears at the center on the video monitor screen PB po...

Страница 125: ...lay back the alignment tape in JOG mode turn the search dial until guard band appears at the center on the video monitor screen PB portion 75 color bar signal 0 00 to 3 00 of CR5 2A NTSC CR5 2A PS PAL Guard Band 2 Check the state of the guard band width If the specification is not satisfied check again after performing steps 1 through 5 Specification 1 Guard band width is below a half of video dis...

Страница 126: ...e is completed normally n When loading the previous data without save the current adjusted data execute ALL DATA PREVI OUS 4 To exit A3F NV RAM CONTROL press the MENU button once 5 To exit the maintenance mode press the MENU button three times 3 8 18 Component Output Level Adjustment Preparing tools Analog composite video signal generator For NTSC TEKTRONIX TSG 170A or equivalent For PAL TEKTRONIX...

Страница 127: ...use the extension board in this adjustment n Before removing board wait for more than 30 seconds after turning off the POWER switch 1 METAL Y C Check 1 During play back the alignment tape in PLAY mode check the white level of Y signal If the specification is not satisfied adjust it PB portion Color bar signal 14 00 to 17 00 of CR5 1B NTSC CR5 1B PS PAL Adj point 1RV101 TBC 24 F 1 Specification NTS...

Страница 128: ...700 7 mV 2 For PAL model only During play back the alignment tape in PLAY mode check the levels of R Y and B Y signals If the specification is not satisfied adjust so that both levels of R Y and B Y signals satisfy the specification PB portion 75 color bar signal 0 00 to 3 00 of CR5 2A PS Adj point 1RV704 DM 89 B 1 Specification B 525 5 mV 3 Eject the alignment tape RV504 and RV704 on DM 89 Board ...

Страница 129: ...t measured level on the following table Measurement for C 7 Turn the oscilloscope to CH 2 display mode 8 Turn off the power of VTR than wait for more than 1 minute 9 Just after turning on the power measure the DC level of CH 2 TP102 on the oscilloscope and fill up it measured level on the following table Measurement for Y Measurement point Measured DC level fill up Note CH 1 TP202 TBC 24 C 3 A ___...

Страница 130: ...V DIV GND E502 TBC 24 D 6 3 During play back the alignment tape in PLAY mode adjust each DC level of Y and C PB portion Color bar signal 14 00 to 17 00 of CR5 1B NTSC CR5 1B PS PAL Adj points Y CH 1 1LV401 TBC 24 F 6 C CH 2 1LV601 TBC 24 B 6 Specification 2 0 0 2 V dc 4 Stop the playback of the alignment tape n It is not necessary to eject the alignment tape when perform subsequent 3 8 21 TBC VCO ...

Страница 131: ...d position as shown figure below When the TBC 24 board of board number suffix is 16 or higher only perform steps 2 though 6 2 Short circuit TP304 TBC 24 A 7 and E502 TBC 24 D 6 with a shorting clip 3 During play back the alignment tape in PLAY mode check that the Y DO and C DO parts of playback picture displaying color bar is no dorp out If drop out is appeared adjust the following RVs PB portion ...

Страница 132: ...el 2 During play back the alignment tape in FF mode and REW mode check that the picture color bar displays on the video monitor PB portion Color bar signal 14 00 to 17 00 of CR5 1B NTSC CR5 1B PS PAL 3 During play back the alignment tape in SHUTTLE _24 time speed check that the vertical lines of picture color bar on the video monitor displays straight If vertical lines are not straight adjust RV40...

Страница 133: ...00 1 J 1 8 ON 2 Check the switch settings on the TBC 23 Board Reset the switch settings on the TBC 23 board to the factory settings Refer to step 1 in 3 8 2 Common Preparation 3 Stop the extending of the board Do not use the extension board in this adjustment n Before removing board wait for more than 30 seconds after turning off the POWER switch 4 Connect the equipment Refer to Figure Connection ...

Страница 134: ...osition at falling edge readability See Figure in step 4 3 Change the watching signal channel on composite waveform vector monitor to CH B 4 During play back the alignment tape in PLAY mode adjust the 50 position at falling edge of the H SYNC of CH B to the identical position as CH A using the SYNC control VR on the sub control panel PB portion 50 bowtie signal 17 00 to 19 00 of CR5 1B NTSC CR5 1B...

Страница 135: ...To perform the tape operation press the SET button once 6 Perform step 2 again 3 Stop the playback of the alignment tape n It is not necessary to eject the alignment tape when perform subsequent 3 8 24 TBC Y C Delay Rough Adjustment 4 To operate the maintenance mode press the MENU button once 5 To exit A37 TBC VR press the MENU button once Data save Store the adjusted data When the data of SQ Y RZ...

Страница 136: ...s after turning off the POWER switch 4 Connect the equipment Refer to Figure Connection 5 Check the setting on the upper control panel REMOTE LOCAL 8 LOCAL unlit 9P 6 Check the settings on the sub control panel CHARACTER switch 8 ON OUT REF switch 8 REF PROCESS CONTROL switch 8 LOCAL VIDEO switch 8 PRESET CHROMA switch 8 PRESET SET UP or BLACK LEVEL switch 8 PRESET Y C DELAY switch 8 PRESET CHROMA...

Страница 137: ... not set it to above data NTSC model 6F PAL model 6E 3 To perform the tape operation press the SET button once 2 Adjustment 1 Set RV502 TBC 24 A 5 to the specified position as shown figure below 2 Set the component waveform monitor to BOWTIE mode 3 Start the playback of alignment tape from the top of PB portion in PLAY mode PB portion 50 bowtie signal 17 00 to 19 00 of CR5 1B NTSC CR5 1B PS PAL 4 ...

Страница 138: ... EX 377 Part No J 6269 810 A Alignment tape For NTSC CR5 1B Part No 8 960 096 41 For PAL CR5 1B PS Part No 8 960 096 91 Preparation 1 Check the switch setting on the SS 63 board S1100 1 J 1 8 ON 2 Check the switch settings on the TBC 23 board Reset the switch settings on the TBC 23 board to the factory settings Refer to step 1 in 3 8 2 Common Preparation 3 Extend the TBC 24 board with an extension...

Страница 139: ... WFM300 or equivalent Analog component video monitor n This video monitor is for menu displaying Be sure to connect it to VIDEO OUTPUT COMPOSITE 3 SU PER connector Alignment tapes For NTSC CR5 1B Part No 8 960 096 41 and CR5 2A Part No 8 960 097 44 For PAL CR5 1B PS Part No 8 960 096 91 and CR5 2A PS Part No 8 960 098 44 75 Z terminators 4 pieces Connection TBC 24 Board Side A TBC 24 1 648 542 MAD...

Страница 140: ...itch 8 PRESET KEY INHIBIT switch 8 OFF 7 Check the setup extend menu settings NTSC model only ITEM 709 CAV LEVEL FORMAT 1 OUTPUT CAV LEVEL 8 B CAM ITEM 713 VIDEO SETUP REFERENCE LEVEL 0 MASTER LEVEL 8 0 0 3 BETACAM PB LEVEL 8 MSTER 4 OUTPUT LEVEL 8 MSTER 8 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and other equipment through the power for 20 minutes or m...

Страница 141: ...equivalent Analog component video monitor n This video monitor is for menu displaying Be sure to connect it to VIDEO OUTPUT COMPOSITE 3 SU PER connector Alignment tape For NTSC CR5 1B Part No 8 960 096 41 For PAL CR5 1B PS Part No 8 960 096 91 75 Z terminators 2 pieces Connection RV500 RV501 and RV504 on TBC 24 Board RV201 RV200 RV500 RV300 RV101 RV201 RV500 RV300 RV101 RV504 TBC 24 board suffix 1...

Страница 142: ... 8 PRESET CHROMA switch 8 PRESET SET UP or BLACK LEVEL switch 8 PRESET Y C DELAY switch 8 PRESET CHROMA PHASE switch 8 PRESET KEY INHIBIT switch 8 OFF CAPSTAN LOCK switch 8 2FD 7 Check the setup extend menu settings NTSC model only ITEM 709 CAV LEVEL FORMAT 1 OUTPUT CAV LEVEL 8 B CAM ITEM 713 VIDEO SETUP REFERENCE LEVEL 0 MASTER LEVEL 8 0 0 3 BETACAM PB LEVEL 8 MSTER 4 OUTPUT LEVEL 8 MSTER 8 Check...

Страница 143: ...o that the beam spot SYNC moves in the shortest route to 0 degree Composite waveform vector monitor SCH mode 5 Set the composite waveform vector monitor as fol lows NTSC model VECTOR mode Line select 11 EXT REF PAL model VECTOR mode Line select 8 EXT REF 6 Align the center position of VISC beam spot to 0 degree with PHASE knob of the composite waveform vector monitor n Turn the PHASE knob so that ...

Страница 144: ...nd eject it 10 To operate the maintenance mode press the MENU button once 11 To exit A37 TBC VR press the MENU button once Data save store the adjusted data When the data of VISC PHASE in A37 TBC VR was not changed skip over to step 14 12 Enter A3F NV RAM CONTROL then execute SAVE ALL ADJUST DATA Message Save Complete is displayed on the video monitor when this data save is completed normally n Wh...

Страница 145: ...tached remove it Refer to Section 2 3 2 of the maintenance manual part 1 2 Unscrew the three screws and remove the audio level meter module n There is glass part in the module Be sure to handle with care 3 Disconnect the harness from the audio level meter module n Be sure place the audio level meter module on the its glass side up Removing of Audio Level Meter Module 4 Connect the power cord POWER...

Страница 146: ...tment with the Shorting Connector n Be sure to connect the shorting connector in the power off 1 Turn off the POWER switch 2 Connect the shorting connector to VIDEO CONTROL connector 3 Turn on the POWER switch 4 Adjust each voltage on the digital voltmeter Measure point Refer to the table below Adj point Refer to the table below Specification 2 500 0 001 V dc Adjusting item Measurement Adjustment ...

Страница 147: ...eeded refer to Section 3 10 3 n For detail of each menu in the maintenance mode refer to Section 4 of the maintenance manual part 1 Tools list To perform the electrical adjustments for the SDI input output and SDTI output prepare the following equipment n Manually adjustment is not needed when the automatic adjustment can be is performed in the VTR When performing the automatic adjustment Analog c...

Страница 148: ... control panel The displayed message on the video monitor changes to Auto Adjusting The displayed data value also changes The display in the time data display area does not change PUSH SET in it remain displayed 6 Confirm the automatic adjustment completion on the video monitor Message Auto Adjust Complete is displayed when the automatic adjustment is completed n If message Auto Adjust Failure is ...

Страница 149: ...isplay area of the VTR MANUAL is displayed 6 Turn the search dial in FORWARD 2 direction to move the mark to the line of the adjustment data Displays the item title in the time data display area SDI ENC for example C DIF 42 2 A 1 661 135 MADE IN JAPAN EP GW 1 3 A B E F G 4 5 6 7 A No E501 E100 TP700 TP108 E101 TP302 TP305 TP304 TP303 E502 TP500 TP501 TP503 TP502 TP504 TP507 TP105 TP106 TP104 TP103...

Страница 150: ...tc in advance Adjustment Items Section Item Section title Adjustment point Measurement point 3 11 2 LTC playback level check TP102 TC 96 A 2 3 11 3 LTC recording level check TP100 TC 96 A 3 TP101 TC 96 A 2 3 11 4 Full erasure current check TP201 TC 96 B 1 TP200 TC 96 B 1 3 11 5 LTC erasure current adjustment 1LV300 TC 96 A 1 TP301 TC 96 B 1 TP300 TC 96 B 1 Common Preparation Perform the settings o...

Страница 151: ... the VTR and oscilloscope through the power for 10 minutes or more 3 11 LTC Alignment and Full Erasure Current Check TC 96 Board 3 11 2 LTC Playback Level Check A B A E100 TP325 TP304 TP308 S101 EP GW ON OFF 2 3 1 A TP100 TP101 E300 TP102 TP302 TP303 LV300 SS 63 board Side A TC 96 board Side A Playback Level Check 1 Set and connect the oscilloscope as follows CH 1 TP102 TC 96 A 2 DC 100 mV DIV GND...

Страница 152: ...el KEY INHIBIT switch 8 OFF REC INHIBIT switch 8 OFF 3 Check that the equipment has warmed up Before starting the adjustment warm up the VTR and oscilloscope through the power for 10 minutes or more 3 11 LTC Alignment and Full Erasure Current Check TC 96 Board 3 11 3 LTC Recording Level Check A B A E100 TP325 TP304 TP308 S101 EP GW ON OFF 2 3 1 A TP100 TP101 E300 TP102 TP302 TP303 LV300 SS 63 boar...

Страница 153: ...e recording tape 3 Check the level on the audio level meter in recording on the tape Specification 120 mV rms or more Note 40 5 1 0 kHz 3 11 5 LTC Erasure Current Check Preparing tools The same as Section 3 11 4 Preparation The same as Section 3 11 4 Time Code Erase Bias Current Check 1 Connect the audio level meter V rms measurement mode to TP301 B 1 on the TC 96 board GND TP300 TC 96 B 1 2 Inser...

Страница 154: ......

Страница 155: ...ed menu mode 3 Push the SET button 3 How to Exit the Current Menu Mode Push the MENU button n If the MENU button is pushed several times the maintenance mode exits 4 How to Change the Data Value 1 Turn the search dial and set the mark to the item to adjust 2 Turn the search dial while pressing the JOG button REVERSE direction decrease the data value FORWARD direction increase the data value n Duri...

Страница 156: ...tment A25 DEC VR AGC VIDEO GAIN VIDEO OUTPUT COMPOSITE 2 Data save A2F NV RAM COMTROL 6 Pedestal level check Check VIDEO OUTPUT COMPOSITE 2 7 Composite Input color frame detect adjustment A24 INPUT CF DETECT VIDEO OUTPUT COMPOSITE 2 Data save A2F NV RAM COMTROL Equipment BKDW 505 For DNW A100 A50 A45 Oscilloscope TEKTRONIX 2465B or equivalent Analog composite signal generator TEKTRONIX TSG 170A or...

Страница 157: ... monitor 1750 1751 or oscilloscope COMPOSITE 2 DNW BKDW 505 506 VIDEO INPUT COMPOSITE 75 Z ON VIDEO OUTPUT COMPOSITE 3 Video monitor COMPOSITE 1 1 5 m REF IN Waveform vector monitor 1750 1751 or oscilloscope COMPOSITE 2 DNW BKDW 505 506 TEST SIGNAL Analog composite signal generator 170A 271 VIDEO INPUT COMPOSITE VIDEO OUTPUT COMPOSITE 3 Video monitor Oscilloscope BLACK 4 1 DEC 65 Board BKDW 505 50...

Страница 158: ...TUP REFERENCE LEVEL 0 MASTER LEVEL 0 0 1 INPUT LEVEL MSTER 2 V BLK REMOVE CNT REMOV 3 BETACAM PB LEVEL MSTER 4 OUTPUT LEVEL MSTER For BKDW 506 None n The sub mode and menu of the maintenance mode that is used in Section 4 1 is as shown below SS 63 board ON OFF S1100 Set S1100 1 to ON M0 TAPE MAINTENANCE C2 AUDIO VIDEO CHECK C21 VIDEO TEST SG C22 MULTI LOOP 10 TIMES A2 AUDIO VIDEO ADJUST A24 INPUT ...

Страница 159: ...2 us DIV Band width limit ON 4 Adjust that the waveform of the pedestal portion satisfies the specification Board suffix No is 12 and higher Adjust 1RV300 on the DEC 65 board Board suffix No is 11 Adjust 1RV2 on the DUS 722 board After adjustment Before adjustment VIDEO OUTPUT COMPOSITE 2 Specification Check that the difference of the pedestal portion is not recognized A DEC 65E A B C D E F G 1 2 ...

Страница 160: ... Adjust 1RV1 on the DUS 722 board that the pedestal detect timing satisfies the specifications A DEC 65E A B C D E F G 1 2 3 4 5 6 7 A B C D F G 1 6 4 8 5 4 2 1 1 MADE IN JAPAN 1 2 3 4 5 6 7 DECORDER ANALOG INPUT EVR DIGITAL FILTER CLOCK GEN RV1 DUS 722 IC203 4 1 DEC 65 Board BKDW 505 506 7 45 to 7 55 us b Specification Adjust the end of the burst signal within 7 45 to 7 55 us 7 40 to 7 50 us Spec...

Страница 161: ...ce so as to exit A26 DEC VR LOOP 7 Select A2F NV RAM CONTROL and save the adjusted data in NV RAM execute SAVE ALL ADJUST DATA 8 Check that the message Save Complete is displayed on the video monitor screen 9 Push the MENU button once so as to exit A2F NV RAM CONTROL Supplement The signal after looping is displaied in a state of overlapping on 1st signal on the screen of the waveform monitor They ...

Страница 162: ...tion 1 2 Select A26 DEC VR LOOP of A2 AUDIO VIDEO ADJUST of the maintenance mode 3 Select VIDEO FREQ COMP n The MULTI burst signal is output from the video test signal generator in this unit 4 Adjust VIDEO FREQ COMP that the fluctuation level of VIDEO OUTPUT COMPOSITE 2 output signal is minimum 5 Regard 1st signal of each frequency as 100 REF then check that the level of signal after looping satis...

Страница 163: ...on once so as to exit A25 DEC VR 9 Select A2F NV RAM CONTROL and save the adjusted data in NV RAM execute SAVE ALL ADJUST DATA 10 Check that the message Save Complete is displayed on the video monitor screen 11 Push the MENU button once so as to exit A2F NV RAM CONTROL Supplement The signal after looping is displaied in a state of overlapping on 1st signal on the screen of the waveform monitor The...

Страница 164: ...T COMPOSITE 2 output with the waveform monitor or oscilloscope Setting of measurement equipment Waveform monitor SWEEP 1 H MAG GAIN x5 UNCAL MAX Oscilloscope CH 1 DC 0 5 mV DIV 2 us DIV Band width limit ON 5 Check that the waveform of the pedestal portion satisfies the specification 5 When the specification is not satisfied perform 1 Pedestal Level Adjustment of Section 4 4 1 Adjustment again VIDE...

Страница 165: ...DW 505 Observe TP304 S 1 and TP307 T 1 Oscilloscope setting TIME 10 ms DIV For BKDW 506 Observe TP305 S 1 and TP307 T 1 Oscilloscope setting TIME 20 ms DIV 6 Check that the waveforms of TPs are in phase 7 Push the MENU button so as to exit A24 INPUT CF DETECT 8 Select A2F NV RAM CONTROL and save the adjusted data in NV RAM execute SAVE ALL ADJUST DATA 9 Check that the message Save Complete is disp...

Страница 166: ...1RV100 CP 300 TP109 DIF 42 board Equipment Oscilloscope Frequency counter Composite monitor Connection Connect the equipment described above as shown below Setting of Unit Side Turn on the power 4 2 CP 300 Board BKNW 103 Composite monitor 75 Z termination Oscilloscope CH 2 CH 2 OUT Frequency counter TP109 D713 Probe VIDEO OUTPUT COMPOSITE 3 DIF 42 board DNW BKNW 103 ...

Страница 167: ...ily that D713 VCO ADJ on the DIF 42 board illuminates or the VCO STATUS on the menu screen becomes 1 n Perform this temporary adjustment if the frequency counter can not be prepared 4 Fine adjust 1RV100 on the CP 300 board with the frequency counter that the specification is satis fied Specification 27 0 0 1 MHz 5 Wait for 10 minutes under power on state 6 Check the value of the frequency counter ...

Страница 168: ...e SDTI OUTPUT 1 or 2 2 Set the OUT REF switch on the sub control panel to REF 3 Insert the pre recorded tape or alignment tape and play back 4 Select the SDTI by the VIDEO INPUT SELECT switch on the upper control panel 5 Check that the SDTI indicator illuminates n If the SDTI indicator does not illuminate or blinks check that the harnesses or cables are connected accurately 6 Eject the tape 7 Rese...

Страница 169: ...COMPONENT B Y Data save A2F NV RAM CONTROL 5 Component video input phase adjustment Y A22 AD VR LOOP Y INPUT PHASE VIDEO OUTPUT COMPONENT Y R Y A22 AD VR LOOP Y R Y INPUT DELAY VIDEO OUTPUT COMPONENT Y R Y B Y A22 AD VR LOOP Y B Y INPUT DELAY VIDEO OUTPUT COMPONENT Y B Y Data save A2F NV RAM CONTROL 6 Component video Betacam input level adjustment In 525 60 system Y A22 AD VR LOOP B CAM Y IN LEVEL...

Страница 170: ...he items of adjustment Connection 1 Connection 3 4 3 AD 105 Board BKNW 104 VIDEO OUTPUT COMPONENT Y a DNW 75 Z WFM300A a Cable 5C 2V 0 5 m x 3 a a R Y B Y 75 Z termination VIDEO OUTPUT COMPOSITE 3 Video monitor a Cable 5C 2V 0 5 m x 6 WFM300A a a a Video monitor 75 Z termination VIDEO COMPONENT a DNW a a R Y B Y Y R Y B Y VIDEO OUTPUT COMPOSITE 3 INPUT OUTPUT Y a Y DNW WFM601i R Y B Y Y R Y B Y a ...

Страница 171: ...4F 2F A OUT TCG TOTAL REMAIN 525 625 EVENT DOLBY NR CONFI ON PB EE RECALL DELETE PREVIEW REVIEW AUTO EDIT AUDIO SERVO IN AUDIO OUT OUT IN EVENT STANDBY ENTRY PLAYER RECORDER VAR FORWARD JOG SHUTTLE PREROLL REC EJECT REW PLAY F FWD STOP REVERSE DISK BUSY PB MENU SET HOLD CTL TC UB RESET CH CONDITION CAPSTAN LOCK KEY INHIBIT SIMPLE EDIT ALARM BETACAM SX 1 2 3 4 L R MONITOR INS OVL UNDO FEED INDEX CH...

Страница 172: ...EVEL 0 MASTER LEVEL 0 0 1 INPUT LEVEL MSTER 2 VBLK REMOVE CNT REMOV 3 BETACAM PB LEVEL MSTER 4 OUTPUT LEVEL MSTER 2 Perform 1 through 7 of Check and Adjustment in 525 60 system When this unit operates in 625 50 system Perform 1 3 4 5 and 7 of Check and Adjustment in 625 50 system Then switch to 525 60 system and perform 8 n The check and adjustment of the component video Betacam level can be perfo...

Страница 173: ... 100 Color Bars 5 Check using a waveform monitor that the levels of Y R Y and B Y satisfy the specifications When the specifications are satisfied perform 2 Component Video Betacam Output Level Check If the specifications are not satisfied perform 2 Component Video Output Level Adjustment of Section 6 9 2 of the maintenance manual part 1 Electrical adjustment after replacement of the VPR 17 board ...

Страница 174: ... C21 VIDEO TEST SG of C2 AUDIO VIDEO CHECK of the maintenance mode 4 Set TEST SG output to 75 Color Bars 5 Check using a waveform monitor that the levels of Y R Y and B Y satisfy the specifications When the specifications are satisfied perform 3 Component Video Output Phase Check If the specifications are not satisfied perform 3 Component Video Output BETACAM Level Adjustment of Section 6 9 2 of t...

Страница 175: ... BOWTIE mode 5 Measure the cross points of Y and B Y Y and R Y then check using a waveform monitor that the deviation between the dip points and the center markers satisfy the specifications 6 Push the MENU button two times so as to exit C2 AUDIO VIDEO CHECK 7 Reset the setting of S1100 1 on the SS 63 board to its previous state 8 When this unit operates in 525 60 system reset the ITEM 709 and 713...

Страница 176: ...el of R Y satisfies the specification 7 Select B Y INPUT LEVEL 8 Adjust B Y INPUT LEVEL that the level of B Y satisfies the specification 9 After completing the adjustments push the MENU button once so as to exit A22 AD VR LOOP 10 Select A2F NV RAM CONTROL and save the adjusted data in NV RAM execute SAVE ALL ADJUST DATA 11 Check that the message Save Complete is displayed on the video monitor scr...

Страница 177: ...he dip point and the center marker satisfies the specification 8 Select Y R Y INPUT DELAY 9 Measure the cross point of Y and R Y then adjust Y R Y INPUT DELAY that the deviation between the dip point and the center marker satisfies the specification 10 After completing the adjustment push the MENU button once so as to exit A22 AD VR LOOP 11 Select A2F NV RAM CONTROL and save the adjusted data in N...

Страница 178: ...es the specification 4 Select B CAM R Y IN LEVEL 5 Adjust B CAM R Y IN LEVEL that the level of R Y satisfies the specification 6 Select B CAM B Y IN LEVEL 7 Adjust B CAM B Y IN LEVEL that the level of B Y satisfies the specification 8 After completing the adjustments push the MENU button once so as to exit A22 AD VR LOOP 9 Select A2F NV RAM CONTROL and save the adjusted data in NV RAM execute SAVE...

Страница 179: ...l of each frequency as 100 REF then check that the level of signal after looping satisfies the specifications Supplement The signal after looping is displaied in a state of overlapping on 1st signal on the screen of the waveform monitor They appear that the 1st signal is freezing and the signal after looping is changing the fluctuation level 4 3 AD 105 Board BKNW 104 0 5 3 0 5 0 5 75 MHz 4 0 1 5 B...

Страница 180: ...2F NV RAM CONTROL and save the adjusted data in NV RAM execute SAVE ALL ADJUST DATA 13 Check that the message Save Complete is displayed on the video monitor screen 14 For 525 60 system Push the MENU button four times so as to exit the maintenance mode For 625 50 system Perform 8 Component Video Betacam Level Check and Adjustment Supplement The signal after looping is displaied in a state of overl...

Страница 181: ...NPUT SELECT on the upper control panel illuminates And check that the PB EE button on the lower control panel illuminates 3 Set the ITEM 709 and 713 of the setup menu ITEM SUB ITEM Setting Previous setting fill up 709 CAV LEVEL FORMAT 0 INPUT CAV LEVEL B CAM 1 OUTPUT CAV LEVEL B CAM 713 VIDEO SETUP REFERENCE LEVEL 0 MASTER LEVEL 0 0 1 INPUT LEVEL MSTER 2 VBLK REMOVE CNT REMOV 3 BETACAM PB LEVEL MS...

Страница 182: ... INPUT SELECT AUDIO INPUT MIXING MONITOR SELECT CH 3 CH 4 VIDEO DISPLAY ASSEMBLE ALL FULL FINE ON 0 10 20 dB 30 40 60 OFF 0 10 20 dB 30 40 60 0 10 20 dB 30 40 60 0 10 20 dB 30 40 60 2 0 2 4 DIGITAL VIDEO HYBRID RECODER DNW A100 SDTI VIDEO AUDIO CH 1 PULL FOR VARIABLE PB CH 2 CH 3 CH 4 SDI COMPONENT Y R B INPUT SDI ANALOG AES EBU TC VITC LTC AUTO VITC REMOTE LOCAL 9P INT EXT PRESET REGEN DF NDF ON ...

Страница 183: ...ernal test signal to the hard disk drives through step 16 13 Push the REC button while pressing the PLAY button and record the signal to the hard disk drives for thirty seconds 14 Push the STOP button to stop the recording 15 Push the VIDEO INPUT SELECT switch to stop the video test signal 16 Push one of the AUDIO INPUT MIXING MONITOR SELECT buttons to stop the audio test signal n The audio test s...

Страница 184: ...eter CH 1 2 3 4 read _20 dB FS 35 Switch to MONITOR by audio selection function selector switch 36 Check that the noise is not heard while switching the CH 1 2 3 4 37 Push the STOP button to stop the playback and remove the BNC cables that were connected in steps 22 and 23 n Be sure to remove the BNC cable before going to the next step Handling after check through step 42 38 Push the MENU button t...

Страница 185: ...Motor Assembly Replacement 5 44 5 10 Capstan Motor Replacement 5 66 5 11 AT Head Replacement 5 71 5 12 Pinch Solenoid Replacement 5 76 5 13 Fan Motor Replacement 5 86 5 14 Brush Slip Ring Assembly Replacement 5 97 5 15 Brake Solenoid Replacement 5 100 5 16 S Tension Regulator Assembly Replacement 5 110 5 17 T Tension Arm Replacement 5 112 5 18 T Drawer Arm Replacement 5 116 5 19 Gear Box Assembly ...

Страница 186: ...in Maintenance Manual Part 2 Vol 2 Section 2 MB 648 Refer to Section 5 32 9 MS 50 Refer to Section 5 32 10 PC 70 Refer to the exploded views in Maintenance Manual Part 2 Vol 2 Section 2 PD 35 Refer to 5 12 Pinch Solenoid Replacement It is not required to remove the pinch press assembly PTC 54 Refer to 5 19 Gear Box Assembly and Threading Motor Replacement and exploded views in Maintenance Manual P...

Страница 187: ...ard SWC 30 Refer to Section 5 32 13 SWC 31 Refer to Section 5 32 14 TBC 23 Plug in board TBC 24 Plug in board TC 96 Refer to Section 5 32 15 TR 78 Replace with an assembled part S tension regulator assemby refer to Section 5 16 TR 79 Refer to Section 5 32 16 VPR 17 Plug in board VR 223 Refer to Section 5 32 17 VR 224 Refer to Section 5 32 18 ...

Страница 188: ...End Mode and Unthreading End Mode 1 Threading End Mode Threading end mode means that the threading ring rotates in the counterclockwise direction then stops There are three ways of putting the unit into the threading end mode without install ing the cassette compartment Method 1 Turn the power on Method 2 Press the STOP button under power on state Method 3 Turn the M gear of the gear box assembly ...

Страница 189: ... Unthreading End Mode Unthreading end mode means that the threading ring rotates in the clockwise direction then stops It is same state with EJECT completion mode There are two ways of putting the unit into the unthreading end mode without installing the cassette compartment Method 1 Press the EJECT button under threading end mode Method 2 Turn the M gear of the gear box assembly in the direction ...

Страница 190: ...he reel tables are in the position of L cassette tape There are two ways of putting the reel tables into the L cassette position without installing the cassette compartment Method 1 Press the switch S100 F 1 side A on the SS 63 board under power on state Method 2 Turn the drive gear in the direction of the arrow C L Cassette Position 5 1 3 L Cassette Position and S Cassette Position ...

Страница 191: ...two ways of putting the reel tables into the S cassette position without installing the cassette compartment Method 1 Press the switch S100 F 1 side A on the SS 63 board under power on state Method 2 Turn the drive gear in the direction of the arrow D 5 1 3 L Cassette Position and S Cassette Position S Cassette Position D S reel table T reel table Drive gear ...

Страница 192: ...ase or oil is used major malfunctions may be caused due to differences in viscosity and ingredients And if the grease or oil that has been mixed with dust is used major malfunctions may be caused Use the following grease and oil Grease SGL 505 7 661 000 10 Oil 7 661 018 18 Apply just enough grease to create a thin film on the surface of the part Any grease that adheres to other surrounding parts m...

Страница 193: ...Surface and Upper Surface of Drum Support 10 Attach the Height Determing Plate 11 Put the Demagnetization Head Assembly Back 12 Cleaning DR 294 Board s Contacting Points and Brush Slip Ring Assembly Mounting Surface 13 Attach the Brush Slip Ring Assembly 14 Connect the Flexible Board CN2 SE 341 Board 15 Cleaning Rotary Heads and Upper Drum s Tape Running Surface 16 Attach the Video Head Cleaner As...

Страница 194: ...nual Part 1 Tools Hexagonal wrench driver 2 5 mm 7 700 766 04 Torque screwdriver 6 kg cm JB 5251 J 6252 510 A Torque screwdriver 12 kg cm JB 5252 J 6252 520 A Torque screwdriver s bit 2 mm l 75 mm J 6323 420 A Torque screwdriver s hexagonal bit d 2 5 mm l 120 mm J 6251 090 A Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Upper drum remover Supplied with new repair upper drum Removal 1 Rem...

Страница 195: ...h slip ring assembly at that time If the screws remain into the screw holes of the brush slip ring assembly remove them once When the brush slip ring assembly is turned upside down these screws may be dropped into the slip ring cover 4 Release the Demagnetization Head Assembly Turn the knob of the demagnetization head assembly counterclockwise about seven turns by finger 5 Remove the Height Determ...

Страница 196: ...ot be removed because of stoppers 2 Check that the projection of the hexagon screw from remover s surfase is 5 mm or less n The upper drum remover is supplied with the new upper dum 3 Attach the upper drum remover to the two screw holes of the brush slip ring assembly with two screws 4 Turn the hexagon screw of the upper drum remover clockwise by finger The upper drum will be detached from the sha...

Страница 197: ...with a cleaning cloth moistened with cleaning fluid New upper drum assembly mounting surfaces shaded portions shown in the figure Lower drum flanges shaded portions shown in the figure and edge portion Lower drum s tape running surface and lead portion Refer to Section 5 2 4 in Mainte nance Manual Part 1 n After cleaning wipe with a dry cleaning cloth 2 Wipe the portions shown in figure using a dr...

Страница 198: ...port when installing the upper drum assembly Do not turn the upper drum with the upper drum cover is installed 3 Press the claws of the upper drum cover in the direction indicated by the arrows and raise the upper drum cover up then remove it 4 Push the central portion of the upper drum down by finger and place the upper drum on the flange of the lower drum surely 5 Set the torque screwdriver to 3...

Страница 199: ...ed portion in the figure with a soft cloth 10 Attach the Height Determining Plate 1 Attach the height determining plate so that the positioning pins of the drum support are put into the holes of the height determining plate 2 Alternately and gradually tighten the two screws Tightening torque 78 4 X 10_2 N m 8 kgf cm 11 Put the Demagnetization Head Assembly Back Turn the knob of the demagnetization...

Страница 200: ...m Do not apply cleaning fluid to the contacting points If the screws remain into the screw holes of the brush slip ring assembly remove them once When the brush slip ring assembly is turned upside down these screws may be dropped into the slip ring cover 13 Attach the Brush Slip Ring Assembly 1 Attach the brush slip ring assembly in the direction shown in the figure 2 Alternately and gradually tig...

Страница 201: ...in the direction indicated by the arrow A 4 Fix the harness to the position on the sensor holder as shown in the figure 5 Connect the harness of the video head cleaner assembly to connector CN851 on the PD 35 board 6 Bind the two harness of the full erase head and video head cleaner asembly with a new harness clamper or the equivalent 7 Adjust the position of the cleaning roller Refer to step 5 in...

Страница 202: ... Adjust the CTL Head Height Refer to Section 7 1 4 13 Adjust the CTL Head Position Refer to Section 7 1 5 14 Adjust the AT Head Height Refer to Section 7 1 6 15 Adjust the AT Head Azimuth Refer to Section 7 1 7 16 Confirm the AT Head Head to Tape Contact Refer to Section 7 1 8 17 Adjust the AT Head Position Refer to Section 7 1 9 18 Confirm the Audio Level in REV Mode Refer to Section 7 1 10 19 Co...

Страница 203: ... wrench driver 2 5 mm 7 700 766 04 Torque screwdriver 6 kg cm JB 5251 J 6252 510 A Torque screwdriver 12 kg cm JB 5252 J 6252 520 A Torque screwdriver s hexagonal bit d 2 5 mm l 120 mm J 6251 090 A Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Removal 1 Remove the Video Head Cleaner Assembly 1 Disconnect the harness from connector CN851 on the PD 35 board 2 Cut the harness clamper 3 Remo...

Страница 204: ...etization head assembly from the harness rail then disconnect the connect 2 Rotate the upper drum assembly manually counterclockwise and adjust the dented portion on the board cover with the lower drum fixing screw as shown in the figure n The drum assembly is fixed to the chassis with the three fixing screws C3 X 8 in the screw hole 3 Fully loosen the screw using a hexagonal wrench driver n These...

Страница 205: ...ottom n Be careful not to raise the drum assembly by holding the brush slip ring assembly 6 Disconnect the three harnesses in the state of step 5 Then the drum assembly can be removed n Be careful not to touch the AT head and peripheral tape guides when removing the drum assembly 7 Loosen the hexagonal screw then remove the demagnetization head assembly from the drum assembly Remove the Drum Assem...

Страница 206: ...ng screw Cleaning Positioning hole Cleaning Fixing screw Cleaning Fixing screw Cleaning Positioning hole Cleaning Drum assembly Installation 4 Cleaning Clean a new drum assembly mounting surfaces and chassis mounting surfaces using a cleaning cloth moistened with cleaning fluid n After cleaning wipe using a dry cleaning cloth Cleaning 5 3 Drum Assembly Replacement ...

Страница 207: ...sts tighten the hexagonal screw Then insert the demagnetization head into the hole of the drum support and tighten the hexagonal screw Tightening torque 39 2 x 10_2 N m 4 kgf cm 2 Hold the drum support and connect the three connectors disconnected in 6 of step 3 m Hold the height determining plate and the drum support at that time Be careful not to hold the upper drum and the brush slip ring assem...

Страница 208: ...ally counterclockwise and position the screw hole of the upper drum assembly with the dented portion 7 Temporary tighten the screw 8 Temporary tighten other two screws in the same way as in steps 6 and 7 9 Gradually tighten the three screws in the order of counterclockwise Tightening torque 78 4 x 10_2 N m 8 kgf cm 10 Connect the harness of the demagnetization head assembly to the connector on the...

Страница 209: ... 2 Adjust the position of the two pins of the video head cleaner assembly with the two holes of the height determing plate 3 Tighten the screw while pushing the video head cleaner assembly in the direction indicated by the arrow A 4 Fix the harness to the position on the sensor holder as shown in the figure 5 Connect the harness of the video head cleaner assembly to connector CN851 on the PD 35 bo...

Страница 210: ...ection 7 1 4 13 Adjust the CTL Head Position Refer to Section 7 1 5 14 Adjust the AT Head Height Refer to Section 7 1 6 15 Adjust the AT Head Azimuth Refer to Section 7 1 7 16 Confirm the AT Head Head to Tape Contact Refer to Section 7 1 8 17 Adjust the AT Head Position Refer to Section 7 1 9 18 Confirm the Audio Level in REV Mode Refer to Section 7 1 10 19 Confirm the Tape Running Refer to Sectio...

Страница 211: ...he Video Head Cleaner Assembly 3 Replace the Cleaning Roller 4 Attach the Video Head Cleaner Assembly 5 Adjust the Cleaning Roller Position 6 Connect the Harness CN851 PD 35 Board Adjustment after Replacement 7 Confirm the Cleaning Solenoid Operation Refer to Section 4 2 2 in Mainte nance Manual Part 1 C023 CLEANING ROLLER Note When the cleaning roller is replaced it is recommended to replace the ...

Страница 212: ...1 Remove the CR spacer and remove the cleaning roller 2 Pass a new cleaning roller through the shaft as shown in the figure Then fix the cleaning roller by new CR spacer 3 Move the cleaning roller in the vertical direction At this time confirm that there is no vertical play n If the cleaning roller is installed upside down the positional relationship between the cleaning roller and video heads may...

Страница 213: ...g plate and the full erase head 2 Align the two pins of the video head cleaner assembly with the two holes of the height determing plate 3 Tighten the screw while moving the video head cleaner assembly in the direction indicated by the arrow A counterclookwise 4 Fill in the hours of the cleaning roller replacement on the hours label sticked on the video head cleaner assembly 5 4 Cleaning Roller an...

Страница 214: ...m bracket assembly in the direction of the arrow C 2 Check that the cleaning roller does not come in contact with the terminal on the full erase head as visual Specification 2 If the cleaning roller comes in contact with the terminal on the full erase head bend the portion B of the arm bracket assembly in the direction of the arrow D 3 Press the iron core in the direction of the arrow At that time...

Страница 215: ...e figure 2 Connect a harness of the video head cleaner assembly to connector CN851 on the PD 35 board 3 Bind the two harness of the video head cleaner assembly and the full erase head with a new harness clamper or equivalent Adjustment after Replacement 7 Confirm the Cleaning Solenoid Operation Refer to Section 4 2 2 in Maintenance Manual Part 1 C023 CLEANING ROLLER Connect the Harness 5 4 Cleanin...

Страница 216: ... dirty or damaged replace the CL arm assembly 2 Adjustment after the CL arm assembly replacement is not required However confirm the CL arm assembly operation 3 When replacing the AT head cleaner prepare a new stop washer Stop washer 2 3 3 669 596 00 Preparation 1 Turn the power off 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to S...

Страница 217: ...e SE 341 board If not the CL arm assembly cannot be removed because the stop washer is hidden by other parts 2 Remove the stop washer at the top of the CL arm assembly 3 Remove the CL arm assembly from the threading ring n Do not remove the spring at the bottom of the CL arm from the shaft Installation 2 Attach the CL Arm Assembly 1 Pass a new CL arm assembly through the shaft while hooking the sp...

Страница 218: ...Assembly Operation 1 Turn the M gear of the gear box assembly manually and confirm the items below while repeating the threading and unthreading The CL arm assembly moves along the CL guide rail The cleaning roller cleans the AT head A clearance exists between the CL arm assembly and shield case while the AT head is cleaned 2 Turn the power on and confirm that the CL arm assembly smoothly operates...

Страница 219: ...he Air Filter 2 Install the Air Filter Note Never reuse the air filter used over 6 000 hours Preparation 1 Turn the power off Removal 1 Remove the Air Filter 1 Turn the lower control panel up as shown in the figure 2 Remove the two screws and remove the filter guard 3 Push the air filter out using fingers from the filter housing Two holes are on the both sides of the filter housing Remove the Air ...

Страница 220: ...ter guard and the filter housing using a soft cloth 2 Put new air filter into the filter housing such as the semicircular bosses are faced to the front side n The air filter has same shapes with the upper side and the lower one 3 Attach the filter guard with the two screws 4 Turn the lower control panel back where it was 5 6 Air Filter Replacement Attach the air filter ...

Страница 221: ...1 6 7 Confirm the AT Head Azimuth Refer to Section 7 1 7 Notes 1 When the pinch roller is damaged or worn replace the pinch roller assembly 2 When replacing the AT head cleaner prepare a new stop washer Stop washer 2 3 3 669 596 00 Preparation 1 Turn the power off 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maint...

Страница 222: ...2 and spring at the bottom of the pinch arm assembly from the shaft Installation 2 Attach the Pinch Arm Assembly 1 Pass a new pinch arm assembly through the shaft while hooking the spring as shown in the figure m Insert the short end spring into the groove of the threading ring and hook the long end spring to the side surface drum side of the pinch arm assembly If the poly slider washer 1 was remo...

Страница 223: ...f the specification is not satisfied perform the adjustment below 1 Remove the stop washer 2 Install or remove the poly slider washer at the upper of the pinch arm 3 Fasten the pinch arm assembly by new stop washer confirm again that the specification is satisfied 4 Cleaning Clean the pinch roller s cylindrical surface with a cleaning cloth moistened with cleaning fluid Refer to Section 5 2 6 in M...

Страница 224: ...t after Replacement 8 Confirm the Tape Running Refer to Section 7 1 2 9 Adjust the CTL Head Height Refer to Section 7 1 4 10 Adjust the CTL Head Position Refer to Section 7 1 5 11 Confirm the Tape Running Refer to Section 7 1 2 12 Confirm the Audio TC Position Refer to Section 7 1 9 13 Adjust Drum Phase Refer to Section 6 2 1 Preparation 1 Turn the power off 2 Remove the upper lid Refer to Section...

Страница 225: ...ssembly Remove the screw then remove the CTL FE head assembly n Be careful not to touch the drum especially video heads Also take care not to damage the peripheral tape guides 3 Remove the CTL Head 1 Remove the two CTL head securing screws then remove the CTL head m When removing the CTL head be careful not to damage the full erase head Never loosen or remove the screws except for the CTL head sec...

Страница 226: ...are the same surface A B 5 8 CTL Head Replacement Installation 4 Mount the CTL Head 1 Solder the connector pin to the CTL head board 2 Temporarily tighten the two screws while moving the CTL head in the direction indicated by arrows A and B n Be careful not to damage the CTL and full erase head 3 Confirm that the specification is met secure ly tighten the two screws Tightening torque 19 6 x 10_2 N...

Страница 227: ...sis with center of the longitudinal hole A and tighten the screw 6 Connect the Harnesses Connect the two harnesses to the connectors of the CTL FE head assembly 7 Cleaning Clean the tape running surfaces of the CTL head and the full erase head with a cleaning cloth moistened with cleaning fluid Refer to Section 5 2 5 in Maintenance Manual Part 1 Adjustment after Replacement 8 Confirm the Tape Runn...

Страница 228: ...Attach the Reel Table Assembly 16 Confirm the Cassette Pillar Height Refer to Section 5 9 3 17 Confirm the Reel Table Height Refer to Section 5 9 4 18 Confirm the Reel Brake Clearance Refer to Section 5 9 5 19 Confirm the Reel Brake Release Amount Refer to Section 5 9 6 20 Perform the Rell Table Rotation Sensor Adjustment Refer to Section 5 9 7 21 Perform the Reel Motor Operation Check Refer to Se...

Страница 229: ...off 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment Refer to Section 2 5 in Maintenance Manual Part 1 Tools L shaped wrench 1 5 mm 7 700 736 05 Torque screwdriver 12 kg cm JB 5252 J 6252 520 A Torque screwdriver s bit 3 mm l 90 mm J 6323 430 A Grease SGL 601 7 651 00...

Страница 230: ...her notch of the reel table assembly with the groove of the RS table block assembly 5 Loosen the set screw in the same way as in step 2 6 Remove the reel table assembly n When the reel table assembly is removed a poly slider washer may adhere to it In this case remove it from the reel table assembly and return it to the reel motor shaft position This poly slider washer is used for reel table heigh...

Страница 231: ...connector on the RM board 3 Wipe the grease that is adhering to the holes two pulled out the slide shaft on the RS table block assembly using a cloth 4 Wipe the grease that is adhering on the surface of the slide shaft using a cloth m Be careful not to adhere grease smeared the slide shaft to another parts Be careful not to cause damage to the slide shaft during removal 4 Disconnect the Harnesses ...

Страница 232: ...ent Procedure of the Reel Motor Assembly 5 Remove the Reel Motor Assembly 1 Remove the three screws and remove the reel motor assembly n The spacer s is inserted between the reel motor and the reel motor plate Be careful not to lose spacer s since it comes off with the reel motor assembly 2 Remove the poly slider washer from the reel motor shaft Be careful not to loose the removed poly slider wash...

Страница 233: ...ion 6 Cleaning Clean the mounting surfaces of the reel motor assembly and reel motor plate 7 Attach the Reel Motor Assembly 1 Pass the reel motor assembly through the hole of the reel motor plate as in the direction shown in the figure 2 Tighten the three screws gradually while moving the reel motor assembly in the direction indicated by the arrow A Tightening torque 68 6 x 10_2 N m 7 kgf cm 3 Pas...

Страница 234: ...e slide shaft on the shaft holder while inserting the portion A shown in the figure of the RS table block assembly into the slide table 2 Attach the slide shaft support with the screw 12 Apply the Grease to the Slide Shaft 1 Slightly apply grease to the slide shaft and it to the whole slide shaft n Be careful that the grease does not adhere to other parts 2 Confirm that the RS table block assembly...

Страница 235: ...eight Refer to Section 5 9 4 18 Confirm the Reel Brake Clearance Refer to Section 5 9 5 19 Confirm the Reel Brake Release Amount Refer to Section 5 9 6 20 Reform the Reel Table Rotation Sensor Portion Adjustment Refer to Section 5 9 7 21 Perform the Reel Motor Operation Check Refer to Section 4 2 2 in Maintenance Manual Part 1 C010 S REEL MOTOR C011 T REEL MOTOR 22 Perform the Reel FG Duty Adjust ...

Страница 236: ... occurs and the tape does not run correctly This may damage the tape Tools Cassette reference plate L MW 088 J 6320 880 A Reel motor shaft slantness check tool MW 087 J 6320 870 A Thickness gauge 9 911 053 00 Torque screwdriver 12 kg cm JB 5252 J 6252 520 A Torque screwdriver s bit 3 mm l 50 mm J 6323 430 A Check 1 Set the Cassette Reference Plate L Place the cassette reference plate L in the dire...

Страница 237: ...ft Slantness Adjustment 4 Place the Reel Shift Plate Assembly in the S Cassette Position Rotate the drive gear clockwise as far as it will go 5 Check the Slantness in the S Cassette Position 1 Press the check tool against the reel motor shaft from the directions indicated by the arrow 2 Check that the clearance between the reel motor shaft and tool satisfies specification 2 If the specification is...

Страница 238: ... turns 7 Bend Spacer Bend the adjustment spacer as shown in the figure 8 Insert Spacer Insert the adjustment spacer into the square hole on the upper surface of the reel motor plate with tweezers 9 Tighten Screws Gradually tighten the three screws loosened in step 6 Tightening torque 68 6 x 10_2 N m 7 kgf cm 10 Recheck the Reel Motor Shaft Slantness Refer to steps 2 through 5 5 9 2 Reel Motor Shaf...

Страница 239: ...in the Intermediate Position of S and L Cassettes 1 Rotate the drive gear and place the reel shift plate assembly in the intermediate position of S and L cassettes n The reel shift plate assembly should be moved to the position where the cassette pillars do not appear from the hole of the cassette reference plate L 2 Check that the S and T cassette pillars are positioned under the cassette referen...

Страница 240: ...sette pillar and press it slightly against the lower surface of the cassette reference plate L Tighten the set screw under this condition 6 Recheck the Cassette Pillar Height Check that the height of the S and T cassette pillars satisfy the specification n Shift the tightening position of the fixing screw when performing readjustment with the specification not satisfied Do not tighten the screw in...

Страница 241: ... shaped wrench 1 5 mm 7 700 736 05 Check 1 Set the Cassette Reference Plate L Place the cassette reference plate L in the direction shown in the figure then place it on two cassette supports 2 Place the Reel Shift Plate Assembly in the L Cassette Position Rotate the drive gear counterclockwise as far as it will go 3 Check the Take up Reel Table Height 1 Press the T stamped side of the gauge agains...

Страница 242: ...s in steps 3 and 4 If the specification is not satisfied perform steps 7 and later If the specifications are satisfied in both the L and S cassette positions perform steps 9 and later S cassette position Reel table Flange Reel table height check gauge Cassette reference plate L The marked portion of the gauge slide over the flange of the reel table The marked portion of the gauge does not slide ov...

Страница 243: ...L and S cassette positions 9 Remove the Cassette Reference Plate L Remove the cassette reference plate L and reel table height gauge 10 Tighten the Screws of the Reel Table Assembly 1 Align the notch at the bottom of the reel table assembly with the groove position of the RS table block assembly 2 Insert an L shaped wrench into the notch at the bottom of the reel table assembly along the groove of...

Страница 244: ...k the Take up Reel Brake Clearance Rotate the take up reel table counterclockwise by fingers At that time check that a clearance occurs between the brake arm block and boss If no clearance occurs replace the brake lining Brake Lining Replacement Section 5 22 2 Check the Supply Reel Brake Clearance Rotate the supply reel table clockwise by fingers At that time check that a clearance occurs between ...

Страница 245: ...inst the reel table when the power is off When the power is turned on the brake lining is released and away from the reel table In the PLAY STOP REW F FWD SEARCH and REV modes the brake lining remains released Press the EJECT button to put the unit into the EJECT mode The brake lining is pressed against the reel table a few seconds after the EJECT mode is completed Tool Wire clearance check gauge ...

Страница 246: ... down only the iron core by a sharp pointed stick Do no touch other portions Know how Shift the brake solenoid upward Clearance A is narrowed Shift the brake solenoid downward Clearance A is widened 7 Tighten the Screws Tighten the two screws loosened in step 5 Tightening torque 98 x 10_2 N m 10 0 kgf cm 8 Recheck the Brake Slolenoid Position Refer to step 6 9 Attach the RS Table Block Assembly Re...

Страница 247: ... table rotation sensor when a reel motor assembly or reel table is replaced Tools Thickness gauge 9 911 053 00 Torque screwdriver 6 k cm JB 5251 J 6252 510 A Betacam cassette tape Check the Reel Table Rotation Sensor Clearance Check 1 Check the Reel Table Rotation Sensor Clearance Check that the clearance between the reel table and the reel table rotation sensor satisfies the specification 1 If th...

Страница 248: ... the Reel FG Output Level 1 Turn the power on 2 Put the EJECT mode by putting the EJECT button 3 Insert the cassette tape 4 Put the unit into the PLAY mode then check the outputs of CH 1 and CH 2 satisfy the specification 2 5 Eject the cassette tape by putting the EJECT button 6 Put the unit into the STOP mode in a state of without the cassette tape in the unit by putting the STOP button 7 In the ...

Страница 249: ...it right and left about screw 2 3 Tighten the two screws loosen in step 4 in order of 1 and 2 while keeping the state of the step 2 Tightening torque 49 x 10_2 N m 5 kgf cm 6 Recheck the Reel Table Rotation Sensor Position 1 Insert the thickness gauge t 0 1 mm between the reel table rotation sensor and the reel table n Be careful not to damage the reel flange and the reel table rotation sensor 2 R...

Страница 250: ...OR 13 Perform the Capstan FG Duty Adjust Refer to Section 4 2 7 in Maintenance Manual Part 1 A003 CAPSTAN FG DUTY 14 Perform the Capstan Free Speed Adjust Refer to Section 4 2 7 in Maintenance Manual Part 1 A010 CAPSTAN FREE SPEED 15 Perform the Adjusted Data Save Refer to Section 4 2 7 in Maintenance Manual Part 1 A023 NV RAM CONTROL Preparation 1 Turn the power off 2 Remove the upper lid Refer t...

Страница 251: ...ove the harness from the sensor holder 4 Remove the screw shift the video head cleaner assembly in the direction indicated by the arrow A and remove it from the height determing plate n To remove the securing screws of the capstan motor remove the video head cleaner assembly Remove the Video Head Cleaner Assembly 2 Remove the Demagnetization Head Assembly 1 Turn the knob of the demagnetization hea...

Страница 252: ... the removed screw in the unit Installation 4 Attach the Capstan Motor 1 Pass a new capstan motor through the hole of the chassis in the direction shown in the figure and tighten the two screws m Be careful not to drop the capstan motor Be careful not to damage the capstan motor shaft when passing the capstan motor through the hole of the chassis 2 Connect the harness disconnected in 1 of step 3 t...

Страница 253: ...e hole of the drum support and tighten the hexagonal screw Tightening torque 39 2 x 10_2 N m 4 kgf cm n Put portion a of the demagnetization head assembly under the knob 2 Turn the knob of the demagnetization head clockwise with fingers and tighten the knob as far as it will go 5 10 Capstan Motor Replacement Attach the Demagnetization Head Assembly Demagnetization head assembly Hexagonal screw Kno...

Страница 254: ...onnect the harness to connector CN851 on the PD 35 board 6 Bind the harnesses of the full erase head and the video head cleaner assembly with a new harness clamper or the equivalent 7 Adjust the position of the cleaning roller Refer to step 5 in Section 5 4 9 Cleaning Clean the capstan motor shaft using a cleaning cloth moistened with cleaning fluid n After cleaning wipe using a dry cleaning cloth...

Страница 255: ...er to Section 7 1 8 15 Adjust the AT Head Position Refer to Section 7 1 9 16 Confirm the Audio Level in REV Mode Refer to Section 7 1 10 17 Confirm the Video Tracking Refer to Section 7 1 3 18 Confirm the Tape Running Refer to Section 7 1 2 19 Reform the Electrical Adjustment after AT Head Replacement Refer to Section 6 4 Preparation 1 Turn the power off 2 Remove the upper lid Refer to Section 2 3...

Страница 256: ...ail Remove the two screws and remove the CL guide rail 2 Disconnect the Harness Disconnect the harness from the connector of the AT head assembly 3 Remove the AT Head Assembly Remove the two screws then remove the AT head assembly from the unit n Be careful not to touch the drum especially video heads Also take care not to damage the peripheral tape guides Remove the CL Guide Rail Remove the AT He...

Страница 257: ...he AT head and adjustment plate from the AT bracket 2 Remove the AT shield case Installation 5 Mount the AT Head 1 Put a new head into the AT shield case and align the hole positions 2 Align the hole positions while putting the adjustment plate between the AT head and the AT bracket then temporaly tighten the two screws 3 Tighten the screws after confirming that the specification is satisfied Tigh...

Страница 258: ...ially video heads Also take care not to damage the peripheral tape guides Be careful not to damage the AT head surface 2 Align the bosses of the chassis with center of the longitudinal holes and tighten the two screws 7 Connect the Harness Connect the harness to the connector of the AT head assembly 8 Attach the CL Guide Rail Attach the CL guide rail with the two screws 9 Cleaning Clean the AT hea...

Страница 259: ...Section 7 1 6 13 Adjust the AT Head Azimuth Refer to Section 7 1 7 14 Adjust the AT Head Head to tape Contact Refer to Section 7 1 8 15 Adjust the AT Head Position Refer to Section 7 1 9 16 Confirm the Audio Level in REV Mode Refer to Section 7 1 10 17 Confirm the Video Tracking Refer to Section 7 1 3 18 Confirm the Tape Running Refer to Section 7 1 2 19 Perform the Electrical Adjustment after AT ...

Страница 260: ...topper 8 Attach the PD 35 Board 9 Attach the Pinch Press Assembly 10 Connect the Harnesses CN851 CN854 PD 35 Board Adjustment after Replacement 11 Confirm the Pinch Solenoid Operation Refer to Section 4 2 2 in Maintenance Manual Part 1 C020 PINCH ROLLER 12 Adjust the Pinch Press Clearance Refer to Section 5 12 2 Preparation 1 Turn the power off 2 Remove the upper lid Refer to Section 2 3 1 in Main...

Страница 261: ... Harness CN851 TC 96 board Removal 1 Disconnect the Harnesses Disconnect the two harnesses from CN851 and CN854 on the PD 35 board 2 Remove the Pinch Press Assembly Remove the two screws then remove the pinch press assembly from the unit 5 12 1 Replacement Procedure of the Pinch Solenoid Remove the Pinch Press Assembly ...

Страница 262: ...d 5 12 1 Replacement Procedure of the Pinch Solenoid 3 Remove the PD 35 Board 1 Remove the screw then remove the PD 35 board from the pinch press assembly 2 Unsolder the three harness soldered on the PD 35 board 4 Remove the Pinch Stopper Remove the two screws and washers then remove the pinch stopper Remove the PD 35 Board Remove the Pinch Stopper ...

Страница 263: ...x 5 Washer Screw PS3 x 5 Pinch solenoid Pinch joint shaft 5 12 1 Replacement Procedure of the Pinch Solenoid 5 Remove the Pinch Solenoid 1 Extract the pinch joint shaft 2 Remove the two screws and washers then remove the pinch solenoid Remove the Pinch Solenoid ...

Страница 264: ...et a new solenoid to the pinch base in the direction shown in the figure 2 Bend the spring in the direction indicated by the arrow and bring it into contact with surface A of the solenoid shown in the figure 3 Put the pinch limiter into the notch of the solenoid s iron core and pass the pinch joint shaft through the hole of the iron core in the direction shown in the figure 4 Put the two washers a...

Страница 265: ... joint shaft 5 12 1 Replacement Procedure of the Pinch Solenoid Attach the Pinch Stopper 7 Attach the Pinch Stopper 1 Pass the longitudinal hole of the pinch stopper to the pinch joint shaft then pass the round hole to the shaft of the pinch press lever 2 Put the washers and tighten the screws Tightening torque 98 x 10_2 N m 10 0 kgf cm http getMANUAL com ...

Страница 266: ... 1 3 8 Harness Brown Orange Harness wiring 3 1 8 Gray Orange 5 12 1 Replacement Procedure of the Pinch Solenoid 8 Attach the PD 35 Board 1 Solder the three wire of the harness to the PD 35 board as shown in the figure then solder 2 Insert the PD 35 board into the pinch stopper and tighten the screw Attach the PD 35 Board ...

Страница 267: ...Attach the Pinch Press Assembly Align the notch of the pinch press assembly with the center of the two pins and tighten the two screws Tightening torque 98 x 10_2 N m 10 0 kgf cm 10 Connect the Harneeses Connect the harnesses to CN851 and CN854 on the PD 35 board Adjustment after Replacement 11 Confirm the Pinch Solenoid Operation Refer to Section 4 2 2 in Maintenance Manual Part 1 C020 PINCH ROLL...

Страница 268: ...e check gauge set J 6152 450 A Check 1 Put the Pinch Solenoid into the Energized State 1 Turn the M gear of the gear box assembly manually and put the unit into the threading end mode 2 Press the iron core of the pinch solenoid in the direction of the fully energized state 2 Check the Pinch Press Clearance Check that the clearance between the pinch limiter and pinch press lever satisfies the speci...

Страница 269: ...ition Put the pinch solenoid into the energized state then insert the tip of a 3 mm flat blade screwdriver into the notch of the pinch press assembly and adjust the pinch press assembly position so that the specification is satisfied 5 Tighten Screws Tighten the two screws loosened in step 3 Tightening torque 98 x 10_2 N m 10 0 kgf cm 6 Recheck the Pinch Press Clearance Refer to steps 1 and 2 5 12...

Страница 270: ...rs Replace each fan motors every 40 000 hours of energizing 1 Index 2 Notes Replace the fan motors when displaying a alarm informing for fan motor in addition to the periodic replacement When the fan motor stops because of trouble some components inside the unit may be heated to high temperatures Take care not to burn your hands by touching these components In service operation turn off the power ...

Страница 271: ...otor Rear Replacement Outline Replacement 1 Remove the Connector Panel 2 Remove the Fan Motor Rear 3 Attach the Fan Motor Rear 4 Attach the Connector Panel Removal 1 Remove the Connector Panel Remove the six screws and remove the connector panel n It is not neccessary to disconnect the harnesses connected to the connector panel Remove the Connector Panel ...

Страница 272: ...x 30 Fan motor rear Connector 5 13 1 Fan Motor Rear Replacement 2 Remove the Fan Motor Rear 1 Disconnect the harness of the fan motor rear from the connector shown in the figure 2 Remove the two screws and remove the fan motor rear Remove the Fan Motor Rear ...

Страница 273: ...Motor Rear 1 Attach a new fan motor rear so that the ornamental plate faces to outside and harness is bottom right side and tighten the two screws 2 Thread the harness of the fan motor rear in the notch of the insulation sheet 3 Connect the harness of the fan motor rear to the connector 4 Attach the Connector Panel Attach the connector panel with the six screws Attach the Fan Motor Rear ...

Страница 274: ...arness of the fan motor PS from the connector shown in the figure 3 Remove the four screws and remove the fan motor PS 3 Attach the Fan Motor PS 1 Attach a new fan motor PS so that the ornamental plate faces to outside and harness is bottom left side and tighten the four screws 2 Connect the harness of the fan motor PS to the connector 3 Stick a filament tape to fix the harness of the fan motor PS...

Страница 275: ...placing the fan motor HDD and the fan motor MD the hard disk drive unit has to be removed The handling of the removed hard disk drive unit should be complied with Caution for Handling the Unit with Build in HDDs for Part 2 descrived after Manual Structure and perform operations with extra care not to apply any shocks to the hard disk drive unit 5 13 3 Fan Motor HDD and Fan Motor MD Replacement Rem...

Страница 276: ...3 Remove the DR 315 Board 1 Strech the harness clamper and release the harness 2 Remove the two screws shown in the figure 3 Move the DR 315 board in the direction of the reel motors and detach the hook n The hook is hard to be seen since it is the inner part 4 Pull out the DR 315 board as far as possible with connectors are connected state Remove the DR 315 Board ...

Страница 277: ... two screws and remove the fan motor HDD 3 Remove the two screws and remove the fan motor HDD from the fan motor bracket 4 Attach the fan motor HDD to the fan motor bracket so that the ornamental plate faces to the opposite side of the fan motor bracket and the harness is top left side and tighten the two screws n The type of this fan motor HDD is 109P0612H7D01 Take care to use the correct type si...

Страница 278: ...ove the screw and remove the fan motor MD 3 Remove the two screws and remove the fan motor MD from the fan motor bracket 4 Attach the fan motor MD to the fan motor bracket so that the ornamental plate faces to the opposite side of the fan motor bracket and the harness is top left side and tighten the two screws n The type of this fan motor MD is 109P0612M7D01 Take care to use the correct type sinc...

Страница 279: ...ssis Screw B3 x 6 5 13 3 Fan Motor HDD and Fan Motor MD Replacement 6 Attach the Fan Motor MD 1 Put the hook of the fan motor bracket to the notch of the chassis 2 Attach the fan motor MD with the screw 3 Connect the harness of the fan motor MD to the connector CN161 Attach the Fan Motor MD ...

Страница 280: ... two screws 3 Connect the harness of the fan motor HDD to the connector 8 Attach the DR 315 Board 1 Hook the DR 315 board to the notch of the chassis shown in the figure 2 Fix the DR 315 board with the two screws 3 Clamp the harness released in the step 3 1 with the harness clamper 9 Attach the Hard Disk Drive Unit Attach the hard disk drive unit Refer to Section 5 31 2 10 Attach the Bottom Plate ...

Страница 281: ...tion 4 2 3 in Maintenance Manual Part 1 C1 RF CHECK Note Replace the brush slip ring assembly when the brush or slip ring is worn or damaged The brush slip ring assembly cannot be replaced by only the brush or slip ring Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manua...

Страница 282: ...lip Ring Assembly 1 Remove the two screws then remove the brush slip ring assembly n Do not apply any force forcibly to the brush slip ring assembly at that time 2 Turn the brush slip ring assembly upside down and take out the screws n Be careful not to drop the screws in the cover at that time Installation 3 Cleaning Wipe the mounting surface the portion in the figure of the brush slip ring assem...

Страница 283: ...assembly 2 Attach the brush slip ring assembly in the direction shown in the figure 3 Tighten the two screws alternately and gradually while uniformly pushing both sides of the flange Tightening torque 14 7 x 10_2 N m 1 5 kgf cm 5 Connect the Flexible Board Insert the flexible board into the connector CN2 on the SE 341 board then lock Adjustment after Replacement 6 Check the RF Refer to Section 4 ...

Страница 284: ...927 on RM Board 13 Flat Cable Connection 14 Slide Shaft Installation 15 RS Table Block Assembly Installation 16 Applying Grease to Slide Shaft 17 Crank Arm Installation Adjustment after Replacement 18 Reel Motor Shaft Slantness Confirmation Refer to Section 5 9 2 19 Reel Table Assembly Installation 20 Cassette Holder Post Height Confirmation Refer to Section 5 9 3 21 Reel Table Height Confirmation...

Страница 285: ...o Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Maintenance Manual Part 1 Tools L wrench d 1 5 mm 7 700 736 05 Torque screwdriver 12 kg cm JB 5252 J 6252 520 A Torque screwdriver s bit 3 mm l 90 mm J 6323 430 A Grease SGL 601 7 651 000 10 Oil 7 661 018 18...

Страница 286: ...reel table assembly with the groove position of the RS table block assembly 5 Loosen the set screw in the same way as in step 2 6 Remove the reel table assembly n A polywasher may be attached together when the reel table assembly is removed In this case remove the polywasher from the reel table assembly and return it to the reel motor shaft The polywasher is used for reel table height adjustment 2...

Страница 287: ... the two holes from which the slide shaft of the RS table block assembly was pulled out with cloth 4 Wipe the grease attached on the surface of the slide shaft with cloth m Be careful the grease on the slide shaft does not adhere to other parts Be careful not to damage the slide shaft 4 Harnesses Disconnection Disconnect the harnesses from the connectors CN926 and CN927 on the RM board 5 15 Brake ...

Страница 288: ...r plate 5 Reel Motor Assembly Removal Remove the three screws then remove the reel motor assembly m Spacers are inserted between the reel motor and reel motor plate These spacers are also removed together when the reel motor assembly is removed Be careful not to lose them Do not remove the polywasher that is passed through the reel motor shaft 5 15 Brake Solenoid Replacement Reel Motor Assembly Re...

Страница 289: ... E ring Spring Brake assembly 6 Brake Assembly Removal 1 Remove the spring put on the reel motor plate 2 Remove the E ring then remove the brake assembly 7 Brake Solenoid Removal Remove the two screws then remove the brake solenoid 5 15 Brake Solenoid Replacement Brake Assembly Removal Brake Solenoid Removal ...

Страница 290: ... core 2 Put a thickness gauge 1 00 mm thick between the solenoid and reel motor plate portion B 3 Tighten the screws while slightly pushing the solenoid against the reel motor plate 4 Pull out the thickness gauge 5 Confirm that the clearance between the solenoid and reel motor plate satisfies the specification 9 Brake Assembly Installation 1 Pass the brake assembly through the shaft of the reel mo...

Страница 291: ...the mounting surfaces of the reel motor assembly and reel motor plate 11 Reel Motor Assembly Installation 1 Pass the reel motor assembly through the hole of the reel motor plate in the direction shown in the figure 2 Move the reel motor assembly in the direction indicated by arrow A and gradually tighten the three screws Tightening torque 68 6 x 10_2 N m 7 0 kgf cm 12 Harnesses Connection Connect ...

Страница 292: ... slide shaft in the shaft holder while inserting portion A of the RS table block assembly shown in the figure into the slide table 2 Install the slide shaft support with the screw 16 Applying Grease to Slide Shaft 1 Slightly apply grease to the slide shaft and extend it to the whole slide shaft n Be careful that the grease dose not adhere to other parts 2 Confirm that the RS table block assembly m...

Страница 293: ...row to make free pass the reel table assembly through the reel motor shaft n Tighten the two set screws of the reel table assembly after reel table height confirmation is complated 20 Cassette Pillar Height Confirmation Refer to Section 5 9 3 21 Reel Table Height Confirmation Refer to Section 5 9 4 22 Reel Brake Clearance Confirmation Refer to Section 5 9 5 23 Reel Brake Release Confirmation Refer...

Страница 294: ...nual Part 1 A008 S T TENSION OFFSET Note The replacement of the component part on the S tension regulator assembly requires a precise adjustment Therefore replace the whole assembly A 8267 795 E Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cas...

Страница 295: ...gulator Assembly Installation 1 Clean the mounting surfaces of the S tension regulator assembly and chassis in three portions 2 Set the S tension regulator assembly and tighten the three screws 3 Connect the harness to CN1 on the TC 96 board 4 Put the harness in the harness clamper 5 Confirm that the harness does not protrude into the mounting surface portion in the figure of the cassette compartm...

Страница 296: ...mbly refer to the exploded views The T tension assembly supplied as repair parts differs in the harness length from one used in this unit because of standardization of repair parts When replacing the T tension assembly replace the harness by one used in this unit Use a new stop washer when the T tension arm is replaced Stop washer 2 3 3 669 596 00 Preparation 1 Put the unit into the unthreading en...

Страница 297: ...then remove the T tension arm m Do not reuse the stop washer A polywasher may be attached together when the T tension arm is removed In this case remove the polywasher from the T tension arm and return it to the shaft 2 Remove the two bearings and two springs from the T tension arm n The two springs are the same 5 17 T Tention Arm Replacement Tension Spring Removal T tension arm Spring T tension b...

Страница 298: ...t the yoke plate in the direction shown in the figure and tighten the screw 2 Slightly apply locking compound to the yoke plate 5 T Tension Arm Installation 1 Clean the shaft 2 Insert the two bearings into the T tension arm 3 Put the two springs on the T tension arm as shown in the figure 4 Pass the T tension arm through the shaft while putting DME on the TR 79 board in the T tension arm 5 Fix the...

Страница 299: ...in the direction shown in the figure 7 T Tension Regulator Operation Confirmation Put the threading ring into the threading unthreading state and confirm that the T tension regulator roller is not dislocated from the threading ring and operates normally Adjustment after Replacement 8 Tension Offset Adjustment Refer to Section 4 2 7 in Maintenance Manual Part 1 A008 S T TENSION OFFSET 5 17 T Tentio...

Страница 300: ...5 18 2 Notes The slant guide slant guide base and drawer guard can be replaced in the same procedure as described in this section Use a new stop washer when the T drawer arm is replaced Stop washer 2 3 3 669 596 00 Preparation 1 Put the unit into the unthreading end state 2 Turn off the power 3 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 4 Remove the plate MD assembly ...

Страница 301: ...oval 1 Disconnect the harness from the connector of the tape top sensor 2 Remove the harness from the holder of the adjustment plate 3 Remove the two screws then remove the T drawer assembly 2 T Drawer Arm Removal 1 Remove the stop washer and polywasher then remove the T drawer arm from the T drawer base 2 Remove the spring and polywasher 5 18 1 T Drawer Arm Replacement T Drawer Assembly Removal T...

Страница 302: ... guide base counterclockwise and tighten the screw 2 Apply locking compound to the screw 8 Slant Guide Installation 1 Pass the spring through the Slant guide base while passing it through the slant guide shaft 2 Put the spring on the slant guide base 3 Fix the slant guide with a new stop washer 9 T Drawer Arm Installation 1 Pass the polywasher and spring through the T drawer base while passing the...

Страница 303: ...firm that the vertical play satisfies specification 2 If specification 2 is not satisfied perform the following adjustment Vertical play adjustment 1 Remove the stop washer 2 Adjust the polywasher value at the bottom of the T drawer base 3 Fix the T drawer arm using a new stop washer and confirm that specification 2 is satisfied 6 Confirm that the height of the T drawer arm satisfies the specifica...

Страница 304: ...mbly Screws PWH3 x 8 10 T Drawer Assembly Installation 1 Clean the mounting surfaces of the T drawer assembly and chassis 2 Set the T drawer assembly and tighten the two screws 3 Connect the harness to the connector of the tape top sensor 4 Fix the harness to the holder of the adjustment plate 5 18 1 T Drawer Arm Replacement T Drawer Assembly Installation ...

Страница 305: ...face of the roller does not touch with the surface B portion in the figure of the threading ring at that time Specification 4 If specification 4 is not satisfied adjust the height and vertical play of the T drawer arm Refer to step 9 2 Confirm that the roller of the T drawer assembly smoothly moves along the inside of the threading ring during unthreading Moreover confirm that the lower surface of...

Страница 306: ...rm and slant guide are replaced Tools Cassette reference plate L MW 088 J 6320 880 A Tension regulator slantness check tool BW 080 J 6190 800 A Thickness gauge 9 911 053 00 Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Locking compound 7 432 114 11 Metal cassette tape for Betacam SP L cassette 5 18 2 Slant Guide Slantness Adjustment ...

Страница 307: ...mation 1 Press the check tool against the slant guide from the directions indicated by arrows A and B 2 Confirm that the clearance between the slant guide and tool satisfies specifications 1 and 2 If specifications 1 and 2 are not satisfied repeat steps 3 and 4 below until they are satisfied 3 Bend the slant guide so that specifications 1 and 2 are satisfied 4 Repeat the threading unthreading and ...

Страница 308: ...L cassette tape and put a weight so that the cassette is stable Weight about 1 000 g is suitable 6 Tape Running Confirmation at TG 10 Guide 1 Put the unit into the F FWD mode then put it into the PLAY mode after approximately three seconds 2 Confirm that the tape runs at the TG 10 guide with specification 3 is satisfied state If specification 3 is not satisfied perform the adjustments in steps 7 a...

Страница 309: ...ustment plate in the direction indicated by arrow A When the tape touches with the lower flange Move the adjustment plate in the direction indicated by arrow B 9 Tighten the Screw Tighten the screw loosened in step 7 10 Tape Running Reconfirmation at TG 10 Guide 1 Put the unit into the unthreading end mode 2 Put the unit into the PLAY mode again and reconfirm that the tape runs at the TG 10 guide ...

Страница 310: ...used in this unit because of standardization of repair parts When replacing the gear box assembly replace the two harness by ones used in this unit according to the procedure described in this section The threading motor CCM 15 board and gear box assembly can be replaced according to the procedure described in this section Perform all the procedures when the threading motor or CCM 15 board is repl...

Страница 311: ...rd Disk Drive Unit Remove the hard disk drive unit Refer to Section 5 31 2 3 Remove the DR 315 Board 1 Strech the harness clamper and release the harness 2 Remove the two screws shown in the figure 3 Move the DR 315 board toward the reel motors about 1 cm and detach the hook n The hook is hard to be seen since it is the inner part 4 Pull out the DR 315 board as far as possible with connectors are ...

Страница 312: ...ness from the connector CN112 on the DR 315 board 4 Disconnect the harness from the connector CN27 on the MS 50 board 5 Gear Box Assembly Removal 1 Cut off the bundling band A shown in the figure 2 Remove the two screws and remove the gear box assembly 3 Cut off the bundling band B shown in the figure 4 Disconnect the two harnesses from the gear box assembly n The steps 6 through 9 are not require...

Страница 313: ...ove the two screws fixing the motor n Take care that the screwdriver does not strike against the M gear 3 Remove the motor The M gear can also be removed simultaneously 7 CCM 15 Board Removal Unsolder and remove the CCM 15 board Installation 8 CCM 15 Board Mounting Pass the pins of the threading motor through the CCM 15 board and solder them n Solder so that no clearance exists between the motor a...

Страница 314: ...se 3 Slightly apply the locking compound to the motor fixing screws and tighten them n Take care that the screwdriver does not strike against the M gear 4 Put the thickness gauge 1 0 mm thick between the M gear and motor base 5 Tighten the set screw while slightly pushing the M gear toward the motor base 6 Pull out the thickness gauge 7 Confirm that the clearance between the M gear and motor base ...

Страница 315: ...he pinch solenoid n Move the hole of the threading ring to confirm the engagement of the gear when the gear box assembly is installed 5 Push the gear of the gear box assembly against that of the threading ring 6 Confirm from the hole of the threading ring that the gear of the gear box assembly engages with that of the threading ring 7 Tighten the screws while slightly pushing the gear box assembly...

Страница 316: ... harness clamper chassis 12 Install the DR 315 Board 1 Put the hook of the DR 315 board into the notch of the chassis shown in the figure 2 Install the DR 315 board with the two screws 3 Clamp the released harness in the step 3 1 13 Install the Hard Disk Drive Unit Install the hard disk drive unit Refer to Section 5 31 2 14 Install the Bottom Plate Install the bottom plate with the six screws Adju...

Страница 317: ...Confirmation 19 S Plate Assembly Installation 20 Pinch Pressure Assembly Installation 21 Put the Unit into the Unthreading End State 22 S Tension Regulator Assembly Installation 23 T Drawer Assembly Installation 24 T Drawer Assembly Operation Confirmation 25 CL Guide Rail Installation 26 CL Arm Assembly Operation Confirmation 27 Pinch Arm Guard Installation 28 Flexible Board Mounting CN2 SE 341 Bo...

Страница 318: ...rd from the connector CN2 on the SE 341 board 2 Harness Disconnection Disconnect the harness from the connector on the AT head assembly 3 Pinch Arm Guard Removal Remove the screw then remove the pinch arm guard 5 20 Threading Ring and Ring Roller Replacement Flexible Board Removal Harness Disconnection Screw PWH3 x 8 Pinch arm guard Pinch Arm Guard Removal ...

Страница 319: ...guide rail 4 CL Guide Rail Removal Remove the screws then remove the CL guide rail 5 Pinch Pressure Assembly Removal 1 Disconnect the two harnesses from the connectors CN851 and CN854 on the PD 35 board 2 Remove the two screws then remove the pinch pressure assembly 5 20 Threading Ring and Ring Roller Replacement CL Guide Rail Removal Pinch Pressure Assembly Removal ...

Страница 320: ...roller and tape end sensor from the sensor holder n Never unhook the harness for full erase head from the sensor holder 4 Remove the screw then remove the S plate assembly c The tape cleaner has a sharp edge Pay careful attention when handling the tape cleaner 5 20 Threading Ring and Ring Roller Replacement S Plate Assembly Removal CN200 Tape cleaner S plate assembly Screw PWH3 x 8 Harness Clernin...

Страница 321: ...ing and Ring Roller Replacement 7 S Tension Regulator Assembly Removal 1 Disconnect the harness from the connector CN1 on the TC 96 board 2 Remove the three screws then remove the S tension regulator assembly 8 Disconnect the Harness Remove the harness of demagnetization head assembly from the harness rail then disconnect the connector as shown in the figure S Tension Regulator Assembly Removal Di...

Страница 322: ...sembly Removal 1 Disconnect the harness from the connector of the tape top sensor 2 Remove the two screws then remove the T drawer assembly 10 Gear Box Assembly Removal Refer to steps 1 through 5 in Section 5 19 T Drawer Assembly Removal Harness disconnection SE 341 board T drawer assembly Screws PWH3 x 8 ...

Страница 323: ... the CTL head or full erase head 12 Threading Ring Assembly Removal Remove the threading ring assembly from the chassis n Be careful not to damage the drum especially video heads or upper drum s tape running surface and capstan motor shaft at that time Ring Roller Removal Installation Screw B3 x 16 Washer Spring Ring roller C Ring roller Ring roller B shaft Screw B3 x 16 Screw B3 x 16 Washer Ring ...

Страница 324: ...hile putting it in the grooves of the ring rollers A and C 16 Ring Roller B Installation 1 Pass the ring roller B through the roller shaft and tighten the screw while holding the threading ring assembly so that it is not dislocated from the grooves of the ring rollers A and C 2 Confirm that the threading ring assembly is put between the three ring rollers Moreover confirm that the T tension regula...

Страница 325: ...on when handling the tape cleaner 2 Connect the harness to the connector CN200 on the TC 96 board 3 Fix the harness with a bundling band or the equivalent 4 Connect each harness to the connectors on the CTL head board full erase head board and tape end sensor board 5 Clamp each harness CTL head cleaning roller and tape end sensor to the groove of the sensor holder 6 Fix the harnesses with a new bu...

Страница 326: ...inch pressure assembly Notch Pin In the center Pinch pressure assembly 20 Pinch Pressure Assembly Installation 1 Align the notch of the pinch pressure assembly with the center of the pin of the chassis and tighten the two screws 2 Connect each harness to the connectors CN851 and CN854 on the PD 35 board 5 20 Threading Ring and Ring Roller Replacement Pinch Pressure Assembly Installation ...

Страница 327: ...bly Installation 1 Clean the mounting surfaces of the S tension regulator assembly and chassis in the three portions 2 Set the S tension regulator assembly and tighten with the three screws 3 Connect the harness to the connector CN1 on the TC 96 board 4 Put the harness in the harness clamper 5 Confirm that the harness does not protrude into the mounting surface portion in the figure of the cassett...

Страница 328: ...s PWH3 x 8 23 T Drawer Assembly Installation 1 Clean the mounting surface of the T drawer assembly and chassis 2 Set the T drawer assembly and tighten with the two screws 3 Connect the harness to the connector of the tape top sensor 4 Fix the harness to the holder of the adjustment plate 5 20 Threading Ring and Ring Roller Replacement T Drawer Assembly Installation ...

Страница 329: ...r confirm that the lower surface of the roller does not touch with the surface B portion in the figure of the threading ring at that time Specification 1 If specification 1 is not satisfied adjust the height and vertical play of the T drawer arm Refer to step 9 in Section 5 18 1 2 Confirm that the roller of the T drawer assembly smoothly moves along the inside of the threading ring during unthread...

Страница 330: ...epeating the threading and unthreading The CL arm assembly moves along the CL guide rail The cleaning roller cleans the AT head A clearance exists between the top of the CL arm assembly and the AT shield case when the cleaning roller cleans the AT head 5 20 Threading Ring and Ring Roller Replacement CL Guide Rail Installation CL Arm Assembly Operation Confirmation CL guide rail M gear AT head AT s...

Страница 331: ... arm guard through the cassette post and put the pin into the chassis hole 2 Tighten the screw 28 Flexible Board Mounting Connect the flexible board to connector CN2 on the SE 341 board then lock 29 Harness Connection Connect the harness to the connector of the AT head assembly 5 20 Threading Ring and Ring Roller Replacement Pinch Arm Guard Installation Flexible Board Mounting Harness Connection ...

Страница 332: ...ect the harness of the demagnetization head assembly on the harness rail then clamp it in the harness rail as shown in the figure Adjustment after Replacement 31 Pinch Pressure Clearance Adjustment Refer to Section 5 12 2 32 Tape Running Confirmation Refer to Section 7 1 2 5 20 Threading Ring and Ring Roller Replacement Connect the Harness ...

Страница 333: ... 7 Reel FG Duty Adjustment Refer to Section 4 2 7 in Maintenance Manual Part 1 A001 S REEL FG DUTY A002 T REEL FG DUTY Note The reel table assembly replacement is the same on the supply S and take up T sides Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 R...

Страница 334: ... the same way as in step 2 6 Remove the reel table assembly n A polywasher may be attached together when the reel table assembly is removed In this case remove the polywasher from the reel table assembly and return it to the reel motor shaft The polywasher is used for reel table height adjustment Installation 2 Reel Table Assembly Installation 1 Clean the circumference of a new reel table assembly...

Страница 335: ...learance Confirmation Refer to Section 5 9 5 5 Reel Brake Release Confirmation Refer to Section 5 9 6 6 Reel Rotation Sensor Position Confirmation Refer to Section 5 9 7 7 Reel FG Duty Adjustment Refer to Section 4 2 7 in Maintenance Manual Part 1 A001 S REEL FG DUTY A002 T REEL FG DUTY 5 21 Reel Table Assembly Replacement http getMANUAL com ...

Страница 336: ... Release Confirmation Refer to Section 5 9 6 Notes The brake lining replacement is the same on the supply S and take up T sides Use a new E ring when the brake lining is replaced E ring 2 3 7 624 105 04 Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove...

Страница 337: ...long the groove of the RS table block assembly 3 Turn the set screw counterclockwise by 1 2 to one turn then loosen 4 Align the other notch at the bottom of the reel table assembly with the groove position of the RS table block assembly 5 Loosen the set screw in the same way as in step 2 6 Remove the reel table assembly n A polywasher may be attached together when the reel table assembly is remove...

Страница 338: ...ning Installation 1 Combine a new brake lining and brake arm block as shown in the figure 2 Hook the spring on the brake arm block 5 Brake Assembly Installation 1 Pass the brake assembly through the shaft of the RS table block assembly 2 Hook the spring on the RS table block assembly 3 Install the brake assembly with a new E ring 6 Reel Table Assembly Installation 1 Clean the circumference of the ...

Страница 339: ...P A45P Adjustment after Replacement 7 Reel Table Height Confirmation Refer to Section 5 9 4 8 Reel Brake Clearance Confirmation Refer to Section 5 9 5 9 Reel Brake Release Confirmation Refer to Section 5 9 6 5 22 Brake Lining Replacement ...

Страница 340: ... to damage the drum when the tape guide roller is replaced Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Mainte nance Manual Part 1 Replacement Perform the part replacement while referring t...

Страница 341: ...erform the following adjustments when the slant guide is replaced 1 Slant guide slantness adjustment Refer to Section 5 18 2 2 Tape running adjustment Refer to Section 7 1 2 3 Video tracking confirmation Refer to Section 7 1 3 Perform the following adjustments when the TG 2 or TG 3 tape guide is replaced 1 RF switching position adjustment Refer to Section 4 2 7 in Maintenance Manual Part 1 A011 RF...

Страница 342: ...adjustment after tape cleaner replacement is not required Tools Torque screwdriver 6 kg cm JB 5251 J 6252 510 A Torque screwdriver s bit 2 mm l 75 mm J 6323 420 A Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer...

Страница 343: ...ape Cleaner Removal Remove the screw then remove the tape cleaner from the S plate assembly Installation 2 Tape Cleaner Installation Tighten the screw while moving a new tape cleaner clockwise Tightening torque 19 6 x 10_2 N m 20 kgf cm 5 24 Tape Cleaner Replacement Tape Cleaner Removal Installation ...

Страница 344: ...ction 7 1 5 11 Tape Running Confirmation Refer to Section 7 1 2 12 AT Head Position Confirmation Refer to Section 7 1 9 13 Drum Phase Adjustment Refer to Section 6 14 Full erase Current Confirmation Refer to Section 3 11 4 Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Ma...

Страница 345: ...assembly n Be careful not to touch the drum especially video heads Moreover take care not to damage the peripheral tape guides 3 Full erase Head Removal 1 Remove the screw and washer then remove the full erase head m Be careful not to damage the CTL head when the full erase head is removed Do not loosen or remove the two screws fixing the CTL FE mounting table This causes the deviation in the zeni...

Страница 346: ...dicated by arrow A n Be careful not to damage the full erase head and CTL head 3 Confirm that the specification is satisfied before tighten the screw Tightening torque 19 6 x 10_2 N m 2 0 kgf cm 5 25 Full erase Head Replacement Full erase Head Installation A Spec The longitudinal hole can not see Washer Full erase head CTL head Connector pins Screw PS2 x 4 Full erase head CTL head Longitudinal hol...

Страница 347: ...assis n Be careful not to touch the drum especially video heads Moreover take care not to damage the peripheral tape guides 3 Place the boss of the chassis in the center of sloted hole A and tighten the screw 6 Harnesses Connection Connect the two harnesses to the connectors of the CTL EE head assembly 7 Cleaning Clean each surface of the CTL head and full erase head using a cleaning cloth moisten...

Страница 348: ... Confirmation Refer to Section 7 1 4 10 CTL Head Position Adjustment Refer to Section 7 1 5 11 Tape Running Confirmation Refer to Section 7 1 2 12 AT Head Position Confirmation Refer to Section 7 1 9 13 Drum Phase Adjustment Refer to Section 6 2 1 14 Full erase Current Confirmation Refer to Section 3 11 4 5 25 Full erase Head Replacement ...

Страница 349: ...5 Video Head Cleaner Assembly Installation 6 Cleaning Roller Position Adjustment 7 Harness Connection CN851 PD 35 Board Adjustment after Replacement 8 Cleaning Solenoid Operation Confirmation Refer to Section 4 2 2 in Mainte nancs Manual Part 1 C023 CLEANING ROLLER Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD asse...

Страница 350: ...tion 1 Disconnect the harness from the connector CN851 on the PD 35 board 2 Cut off the bundling band 3 Remove the harness from the sensor holder 2 Video Head Cleaner Assembly Removal 1 Remove the screw 2 Remove the video head cleaner assembly from the height determing plate while rotating it in the direction indicated by arrow A Video Head Cleaner Assembly Removal 5 26 Cleaning Solenoid Replaceme...

Страница 351: ...tallation 1 Pass the CL washer through the iron core of a new solenoid 2 Align the solenoid with the hole of the cleaner base while putting the groove of the iron core between the pins of the cleaner lever and temporarily tighten the two screws 3 Put the shield case in the direction shown in the figure and insert it between the cleaner base and solenoid 4 Adjust the solenoid position so that the c...

Страница 352: ...g roller into the clearance between the height determing plate and full erase head as shown in the figure 2 Align the two pins of the video head cleaner assembly with the two holes of the height determing plate 3 Tighten the screw while pushing the video head cleaner assembly in the direction indicated by arrow A Video Head Cleaner Assembly Installation 5 26 Cleaning Solenoid Replacement ...

Страница 353: ...e upper drum bend portion B of the video head cleaner sub assembly in the direction indicated by arrow C with portion A as a supporting point 2 Similarly confirm visually that the cleaning roller does not touch the terminal of the full erase head Specification 2 If the cleaning roller touches the terminal of the full erase head bend portion B of the video head cleaner sub assembly in the direction...

Страница 354: ...ition of the sensor holder shown in the figure 2 Connect the harness to the connector CN851 on the PD 35 board 3 Fix the two harnesses of the full erase head and video head cleaner assembly with a new bundling band or the equivalent Adjustment after Replacement 8 Cleaning Solenoid Operation Confirmation Refer to Section 4 2 2 in Maintenance Manual Part 1 C023 CLEANING ROLLER Harness Connection 5 2...

Страница 355: ...placement The replacement of the warm wheel crank gear and crank arm is also the same as for this replacement procedure The steps 3 and 4 are not required when the reel shift gear or warm wheel is replaced Use a new stop washer when the reel shift gear warm wheel crank gear and crank arm are replaced Stop washer 2 3 3 669 596 00 Preparation 1 Turn off the power 2 Remove the upper lid Refer to Sect...

Страница 356: ... Remove the stop washer then remove the reel shift gear n Do not reuse the stop washer 3 Crank Gear Removal 1 Remove the stop washer then remove the crank gear 2 Take out the crank arm from the crank gear n Do not reuse the stop washer Installation 4 Crank Gear Installation 1 Clean shaft A 2 Apply one drop of oil to shaft A 3 Combine the crank arm with the crank gear 4 Pass the crank gear through ...

Страница 357: ...rank gear fully in the direction indicated by arrow C 4 Turn the drive gear and put the mark of the warm wheel in the illustrated position 5 Align the mark of the reel shift gear with that of the warm wheel and pass the reel shift gear through shaft B while engaging it with the warm gear and crank gear 6 Rotate the drive gear in the direction indicated by arrow D by three to five turns then fully ...

Страница 358: ...ear grease applying 6 Grease Applying 1 Wipe the grease on the warm gear and clean it 2 Apply grease to the warm gear 7 RS Table Block Assembly Installation Refer to steps 9 through 13 in Section 5 9 1 Grease Applying 5 27 Reel Shift Gear Replacement ...

Страница 359: ... the drive gear in the directions indicated by arrows D and E 2 Confirm that the crank arm is nearer to the reel motor plate than the reference line when the drive gear is rotated in the direction indicated by arrow D until it stops Fig A Similarly confirm that the crank arm is nearer to the reel motor plate than the refer ence line when the drive gear is rotated in the direction indicated by arro...

Страница 360: ...to Section 5 9 3 13 Reel Shift Motor Operation Check Refer to Section 4 2 2 in Maintenance Manual Part 1 C016 REEL SHIFT MOTOR Notes 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Mainte nance Manual Par...

Страница 361: ... assembly on the supply and take up sides with the reel table assembly attached Refer to procedures 1 through 3 in Section 5 9 1 2 Reel Shift Assembly Removal 1 Remove the three screws 2 Raise the reel shift assembly and disconnect the two harnesses shown in the figure 3 M Gear Removal 1 Loosen the two set screws shown in the figure 2 Pull out the M gear from the shaft Reel Shift Assembly Removal ...

Страница 362: ...oval Remove the two screws then remove the reel shift motor from the reel shift base 5 CCM 15 Board Removal Unsolder and remove the CCM 15 board from the reel shift motor Installation 6 CCM 15 Board Mounting Pass the terminals of a new motor through the CCM 15 board then solder n Solder so that no clearance exists between the motor and CM 15 board Reel Shift Motor Removal CCM 15 Board Removal Moun...

Страница 363: ...htly apply locking compound to the screws 8 M Gear Installation 1 Pass the M gear through the shaft of the motor 2 Put a thickness gauge 0 7 mm thick between the M gear and reel shift base 3 Tighten the two set screws while pushing the M gear toward the reel shift base Tightening torque 18 6 x 10_2 N m 1 9 kgf cm 4 Pull out the thickness gauge 5 Confirm that the clearance between the M gear and re...

Страница 364: ...hree screws 10 Grease Applying 1 Wipe the grease on the warm gear and clean it 2 Apply grease to the warm gear 11 RS Table Block Assembly Installation Refer to steps 9 through 13 in Section 5 9 1 Adjustment after Replacement 12 Cassette Pillar Height Confirmation Refer to Section 5 9 3 13 Reel Shift Motor Operation Check Refer to Section 4 2 2 in Maintenance Manual Part 1 C016 REEL SHIFT MOTOR Ree...

Страница 365: ...stment after Replacement 12 Cassette Compartment Motor Operation Check Refer to Section 4 2 2 in Maintenance Manual Part 1 C013 CASSETTE COMP Preparation 1 Turn off the power 2 Remove the upper lid Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Ma...

Страница 366: ...icated by arrow A and take out the warm 3 Cassette Compartment Motor Removal Spread the hooks of the chassis and push out the cassette compartment motor from the inside of the cassette compartment 4 Motor Joint Removal Loosen the set screw by two to three turns and remove the motor joint 5 Spacer Removal and Harness Disconnection 1 Remove the spacer 2 Unsolder and disconnect the harness from the m...

Страница 367: ...n 2 of step 5 to a new motor n Solder a red harness to marking of the motor 7 Motor Joint Installation 1 Pass the motor joint through the shaft of the motor and temporarily tighten the set screw 2 Confirm that the clearance between the motor joint and motor satisfies the specification when the motor joint is pushed toward the motor and tighten the set screw Tightening torque 60 x 10_2 N m 6 kgf cm...

Страница 368: ...sly put the hub of the warm in the two hooks of the chassis 3 Confirm that the motor has been fixed 10 Grease Smearing 1 Wipe the grease on the warm and clean it 2 Slightly apply grease to the warm 11 Harness Connection Connect the harness of the cassette comportment motor to connector CN935 on the CL 29 board Adjustment after Replacement 12 Cassette Compartment Motor Operation Check Refer to Sect...

Страница 369: ...Removal 5 Power Supply Block Installation 6 Power Supply Panel Assembly Installation 7 Harnesses Connection 8 Bottom Plate Installation 9 Operation Confirmation Preparation 1 Turn the power off and then wait over 30 seconds 2 Remove the power supply cord plug from the outlet Removal 1 Bottom Plate Removal 1 Place the unit on its right side panel down 2 Remove the six screws and remove the bottom p...

Страница 370: ... 2 Disconnect the five harnesses 3 Power Supply Panel Assembly Removal Remove the three screws and open the power supply panel assembly n It is not necessary to disconnect the harness connected to the power supply panel assembly 5 30 Power Supply Block Replacement Harnesses Disconnection Power Supply Panel Assembly Removal Harness clamper Harness clamper Harnessess Harness Harnesses ...

Страница 371: ...nstallation 1 Remove the four screws B and remove the two PS retainers 2 Remove a screw C and remove the power supply shield plate 3 Install the two PS retainers to new power supply block with the four screws B 4 Install the power supply shield plate to new power supply block with a screw C 5 Install the power supply block with the two screws A 6 Power Supply Panel Assembly Installation Install th...

Страница 372: ...1 Connect the each harness to five connectors shown in the figure 2 Hold the harnesses with the harness clampers 8 Bottom Plate Installation 1 Install the bottom plate with the six screws 2 Put the unit back 9 Operation Confirmation Turn the power on and confirm the unit runs in normal condition 5 30 Power Supply Block Replacement Harnesses Connection Bottom Plate Installation ...

Страница 373: ...less torque screwdriver Use the shockless torque screwdriver newly adopted fixture when tightening the screws during replacing the hard disk drive If the traditional torque screwdriver is used it may be applied a fatal shock to the hard disk drive by the click of torque screw driver Be sure to use the shockless torque screwdriver When the set torque is reached using the shockless torque screwdrive...

Страница 374: ...sk Drive 5 Attach the Bottom Plate Preparation 1 Turn the power off and then wait over 30 seconds Tools Toque screwdriver s bit 3 mm l 50 mm J 6323 430 A HDD cushion J 6530 060 A Shockless toque screwdriver 12 kg cm J 6530 070 A Removal 1 Remove the Bottom Plate 1 Place the unit on its right side panel down 2 Remove the six screws and the bottom plate Remove the Bottom Plate 5 31 2 Removal Install...

Страница 375: ...e HDD lid 2 Release the three harness holders shown in the figure 3 Disconnect the two SCSI connectors and the two power harness s connectors from each hard disk drive 4 Disconnect the harness from the connector CN1 on the SE 378 board 5 Remove the nine screws and remove the hard disk drive unit from the unit in slanting shown in the figure n Be sure to put the removed hard disk drive unit on the ...

Страница 376: ...nit 1 Put the bending portion of the hard disk drive unit into the inside of the chassis 2 Attach the hard disk drive unit with the nine screws 3 Connect the harness to CN1 on the SE 378 board 4 Connect the two SCSI connectors and the two power harness s connectors to each hard disk drive 5 Hold the harnesses with the three harness holders 6 Attach the HDD lid with the two screws 5 Attach the Bott...

Страница 377: ...tion 7 Attach the Hard Disk Cover 8 Attach the Hard Disk Drive Unit Refer to steps 4 and 5 in Section 5 31 2 Notes Be sure to perform all of jobs described in this section on the HDD cushion tool Be sure to use the specified shockless toque screwdriver when tightening screws described in this section Never use a ratchet type traditional toque screwdriver Preparation 1 Turn the power off and then w...

Страница 378: ...ve the seven screws and the hard disk cover 3 Remove the Hard Disk Drives 1 Turn the hard disk drive unit upside down on the HDD cushion 2 Insert a screwdriver to the eight holes shown in the figure and remove the screws 3 Take off the HDD retainer assembly Then the two hard disk drives are placed on the HDD cushion Remove the Hard Disk Cover Screws B 6 32 UNC Screws B 6 32 UNC HDD retainer assemb...

Страница 379: ...lug to the short pins of two hard disk drives corresponding to each SCSI s ID number 0 or 1 as shown in the figure 5 31 3 Hard Disk Drive Replacement SCSI ID 0 SCSI ID 1 1 2 1 2 Without shorting plug Shorting plug Short the shorting pin No 1 to the No 2 6 mm SCSI ID 1 SCSI ID 0 Set the SCSI s ID ...

Страница 380: ... spacing on the HDD cushion shown in the figure 2 Put the HDD retainer assembly gently on the two hard disk drives from above and align the eight screw holes n Take special care not to contact the TR retainers of the HDD retainer assembly with the two hard disk drives 3 Install the two hard disk drives to HDD retainer assembly with the eight unify screws Tightening torque 98 x 10_2 N m 10 0 kgf cm...

Страница 381: ...he Motor Start Option Confirm that the short plug is connected to each J2 connector on the newly installed two hard disk drive units as shown in the figure 7 Attach the Hard Disk Cover Attach the hard disk cover with the seven screws 8 Attach the Hard Disk Drive Unit Refer to the steps 4 and 5 in Section 5 31 2 5 31 3 Hard Disk Drive Replacement Attach the Hard Disk Drive Unit ...

Страница 382: ...ance Manual Part 1 3 Remove the twelve screws shown in the figure 4 Disconnect the harness from the connectors CN170 CN171 and CN172 on the CP 277 board then remove the CP 277 board n In this way the two blank panels will remove Be careful not lose them 5 Install the CP 277 board in the reverse order of steps 2 through 4 Adjustment after Replacement 6 Confirm that the component video output signal...

Страница 383: ...2 Remove the eight screws BVTT 3 x 6 shown as A in the figure 3 Remove the two screws BVTT 3 x 6 shown as B in the figure 4 Remove the connector panel assembly Refer to Section 2 3 3 in Maintenance Manual Part 1 5 Disconnect the harness from the connector CN402 on the MB 648 board 6 When the BKNW 103 CP 300 board is installed Disconnect the flat cable from the connector CN403 on the CP 300 board 5...

Страница 384: ... CP insulator A 8 Disconnect the harnesses from the connectors CN191 CN192 and CN193 on the CP 278 board then remove the CP 278 board n In this way the four blank panels will remove Be carefull not to lose them 9 Install the CP 278 board in the reverse order of steps 2 through 8 n Adjustment after replacement is not required 5 32 2 CP 278 Board ...

Страница 385: ...e connector panel assembly Refer to the Section 2 3 3 in Maintenance Manual Part 1 3 Peel off the shielding tape from the connector panel 4 Remove a screw fixing the CP shield plate B 5 Disconnect the flat harness 60 pin from the connector CN401 on the CN 297 board and remove the CP shield plate B simultaneously n The flat harness is pasted on the CP shield plate B 6 Disconnect the harness from th...

Страница 386: ...onnector panel 4 Remove a screw fixing the CP shield plate B 5 Disconnect the flat harness 60 pin from the connector CN401 on the CN 297 board and remove the CP shield plate B simultaneous ly n The flat harness is pasted on the CP shield plate B 6 Strech the harness clamper and release the harness 7 Disconnect the harness and flat cable from the connectors CN403 and CN404 on the CP 300 board 8 Rem...

Страница 387: ...move the six screws as shown in the figure 4 Disconnect the hernesses from the connectors CN194 and CN195 on the CP 301 board then remove the CP 301 board 5 Remove the CP insulator B 6 Install the CP 301 board in the reverse order or steps 2 through 5 n Adjustment after replacement is not required 5 32 5 CP 301 Board CP 301 board CP insulator B CN194 CN195 Screws BVTT3 x 6 Screws BVTT3 x 6 ...

Страница 388: ...apply any shocks to the hard disk drive unit Replacement 1 Turn off the power 2 Place the unit on its right side panel down 3 Remove the six screws then remove the bottom plate Refer to Section 2 3 1 in Maintenance Manual Part 1 4 Remove the hard disk drive unit Refer to Section 5 31 2 5 Stretch the harness clamper on the DR 315 board and release the harness 6 Remove the two screws shown in the fi...

Страница 389: ...he flexible boards from the connectors CN101 CN102 CN103 CN111 and CN112 on the DR 315 board then remove the DR 315 board 10 Install the DR 315 board in the reverse order of steps 2 through 9 Adjustment after Replacement 11 Perform the electrical adjustment in servo system Refer to Sections 3 4 3 and 3 4 5 5 32 6 DR 315 Board ...

Страница 390: ...id Refer to Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Maintenance Manual Part 1 5 Remove the upper control panel Refer to Section 2 3 2 in Maintenance Manual Part 1 6 Remove the two screws then remove the SC guide assembly 7 Disconnect the flat cable ...

Страница 391: ...and remove the front upper chassis assembly 13 Disconnect the harness from the connector CN224 on the FP 91 board then remove it 14 Install the FP 91 board in the reverse order of steps 2 through 13 n When connecting connector CN224 fit the protrusion of connector on the VR 224 board into the groove of CN224 then set up the FP 91 board vertically Adjustment after Replacement 15 Perform the TBC rem...

Страница 392: ...6 in Maintenance Manual Part 1 3 Remove the six screws shown in the figure then remove the KY protector and KY 364 board n While pulling out the claws of the KY 364 board from the holes of the KY chassis remove the KY protector and KY 364 board simultaneously 4 Disconnect the harness from the connector CN69 5 Install the KY 364 board in the reverse order of steps 2 through 5 n Adjustment after rep...

Страница 393: ... to the Section 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Maintenance Manual Part 1 5 Remove the upper control panel Refer to Section 2 3 2 in Maintenance Manual Part 1 6 Remove the FP 91 board Refer to Section 5 32 7 7 Pull out the all plug in boards Refer t...

Страница 394: ...648 board 14 Remove the power supply block Refer to Section 5 30 15 Remove the connector panel Refer to Section 2 3 3 in Maintenance Manual Part 1 16 Disconnect the harnesses from the following connectors on the MB 648 board Power block harness CN153 Fan motor rear harness CN160 Connector panel harnesses CN170 CN171 CN172 CN193 CN195 CN401 and CN402 Option board CP 308 harnesses CN196 and CN197 Op...

Страница 395: ...ar chassis lower 19 Remove the six screws and remove the rear chassis lower 20 Remove the hard disk drive unit Refer to Section 5 31 2 n Be sure to put the removed hard disk drive unit on the HDD cushion 21 Disconnect the harnesses and flat cable from the connectors CN140 CN144 CN151 CN152 CN154 CN161 and CN162 on the MB 648 board 5 32 9 MB 648 Board CN144 CN140 CN161 CN162 CN154 MB 648 board http...

Страница 396: ...rews 22 Remove the eighteen screws and remove the MB 648 board 23 Disconnect the flat cable from the connector CN147 on the MB 648 board 24 Install the MB 648 board in the reverse order of steps 2 through 23 25 Turn the power on and confirm the unit runs in normal condition 5 32 9 MB 648 Board ...

Страница 397: ...t should be complied with Caution for Handling the Unit with Build in HDDs described after Manual Structure and perform operations with extra care not to apply any shocks to the hard disk drive unit Replacement 1 Turn off the power 2 Remove the DR 315 board Refer to Section 5 32 6 3 Disconnect the harnesses flat cable and flexible card wires from the connectors CN1 CN2 CN3 CN4 CN11 CN12 CN13 CN14 ...

Страница 398: ...e panel and take off the upper side of MS 50 board from the two step screws 6 Install the MS 50 board in the reverse order of steps 2 through 5 n The MC sensor harness connected to the connector CN16 on the MS 50 board requires to thread in the square hole on the center portion of the MS 50 board Adjustment after Replacement 7 Perform the all of servo system electrical adjustment Refer to Section ...

Страница 399: ... harness and flexible board from the connectors CN1 and CN2 on the SE 341 board 5 Remove the harness holders by pushing out each insersion part of them using a pair of long nose pliers etc from the SE 341 board 6 Remove the screw and slide the SE 341 board to unlock from the claw then remove the SE 341 board 7 Install the SE 341 board in the order of steps 5 6 4 3 and 2 Adjustment after Replacemen...

Страница 400: ...Turn off the power 2 Remove the hard disk drive unit Refer to Section 5 31 2 n Be sure to put the removed hard disk drive unit on the HDD cushion 3 Remove the hard disk drive from the hard disk drive unit Refer to Section 5 31 3 4 Remove the eight screws B3 x 8 and remove the HDD sub retainer 5 Remove the six screws B2 6 x 5 fixed the transistors 6 Remove the eight screws shown in the figure then ...

Страница 401: ... 2 3 1 in Maintenance Manual Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Maintenance Manual Part 1 5 Remove the upper control panel Refer to Section 2 3 2 in Maintenance Manual Part 1 6 Remove the two screws then remove the SC guide assembly 7 Disconnect the flat cable from the connector ...

Страница 402: ...A50P A45P CN30 FP 91 board Front upper chassis assembly PC board holder FP 91 board 5 32 13 SWC 30 Board 9 Undo the PC board holder then open the FP 91 board 10 Disconnect the flat cable from with the connector CN30 on the FP 91 board ...

Страница 403: ...rew BVTT3 x 6 SWC 30 board SWC 30 board 11 Remove the three screws then remove the SWC 30 board by lift up the board after inclining to rear 12 Install the SWC 30 board in the reverse order of steps 2 through 11 n Adjustment after replacement is not required 5 32 13 SWC 30 Board ...

Страница 404: ...er control panel assembly Sub control panel 5 32 14 SWC 31 Board Replacement 1 Turn off the power 2 Pull out the lower control panel assembly 3 Remove the two screws then remove the sub control panel 4 Remove the three screws 5 Unlock the SWC 31 board by sliding it in the direction of the arrow then remove the board 5 32 14 SWC 31 Board ...

Страница 405: ...se adjustment again following the manual of the analog switcher System Phase Adjustment The system phase of this unit is adjusted by using the SYNC control and SC control of SYSTEM PHASE on the sub control panel m Be sure to adjust in PB mode The system phase does not change even if the SYNC SC control is turned in the REC mode but it changes when the REC mode is shifted to the PB mode The playbac...

Страница 406: ...nance Manual Part 1 4 Remove the screw as shown in the figure n Pay attention not to fall the screw upon the mechanical deck 5 Lifting the TC 96 board and disconnect the harnesses from the connectors CN100 CN200 CN300 CN1 CN25 and CN140 on the TC 96 board Then remove the TC 96 board 6 Install the TC 96 board in the reverse order of steps 2 through 5 Adjustment after Replacement 7 Perform the elect...

Страница 407: ... to Section 2 4 in Maintenance Manual Part 1 4 Remove the T tension arm assembly Refer to Section 5 17 5 Disconnect the harness from the connector CN1 on the TR 79 board 6 Remove the two screws then remove the TR 79 board 7 Install the TR 79 board in the reverse order of steps 2 through 6 Adjustment after Replacement 8 Perform the tension offset adjustment Refer to Section 4 2 7 in Maintenance Man...

Страница 408: ...Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Maintenance Manual Part 1 5 Remove the upper control panel Refer to Section 2 3 2 in Maintenance Manual Part 1 6 Remove the FP 91 board Refer to Section 5 32 7 7 Remove the ten volume knobs 8 Remove the nut of the headphone jack 9 Remove the two...

Страница 409: ... Disconnect the hernesses from the connectors CN510 and CN511 11 Remove the six nuts and washers and remove the VR 223 board 12 Install the VR 223 board in the reverse order of steps 2 through 11 m After tightening the nuts apply locking compound Adjustment after replacement is not required 5 32 17 VR 223 Board ...

Страница 410: ...Part 1 3 Remove the plate MD assembly Refer to Section 2 4 in Maintenance Manual Part 1 4 Remove the cassette compartment assembly Refer to Section 2 5 in Maintenance Manual Part 1 5 Remove the upper control panel Refer to Section 2 3 2 in Maintenance Manual Part 1 6 Remove the FP 91 board Refer to Section 5 32 7 7 Remove the ten volume knobs 8 Remove the nut of the headphone jack 9 Remove the two...

Страница 411: ...32 18 VR 224 Board 10 Disconnect the harnesses from the connectors CN522 and CN523 11 Remove the four nuts and washers and remove the VR 224 board 12 Install the VR 224 board in the reverse order of steps 2 through 11 m After tightening the nuts apply locking compound Adjustment after replacement is not required ...

Страница 412: ......

Страница 413: ...adjustment parts which are not described in Section 6 If turned once the parts require the electrical adjustments that are described in Section 3 Do not execute adjustment items nor change data in the maintenance mode which are not described in Section 6 If executed or changed carelessly turn off the power of the DNW or execute ALL DATA PREVI OUS in each NV RAM control menu so as not to save the d...

Страница 414: ...quivalent Audio analyzer TEKTRONIX AA501A option 02 or equivalent Audio level meter HEWLETT PACKARD HP3400A or equivalent Digital voltmeter ADVANTEST TR6845 or equivalent Extension boards EX 377 SONY part No J 6269 810 A EX 556 SONY part No A 8277 212 A Extension harness 14P SONY part No 1 952 684 11 Composite video monitor For 525 60 NTSC system For 625 50 PAL system Note Terminator 75 Z BNC Clea...

Страница 415: ...er ADVANTEST TR5821AK or equivalent Digital voltmeter ADVANTEST TR6845 or equivalent VISC phase adjustment tool SONY part No J 6332 240 A Extension boards EX 377 SONY part No J 6269 810 A EX 556 SONY part No A 8277 212 A Extension harness 14P SONY part No 1 952 684 11 Composite video monitor For 625 50 PAL system For 525 60 NTSC system Note Terminator 75 Z BNC Cleaning tape BCT 5CLN SONY standard ...

Страница 416: ...e wave No signal CTL CR5 1B PS 100 color bar with 75 kHz deviation 17 00 CR5 1B 50 bowtie 12 5T No signal No signal CTL CR5 1B PS 50 bowtie 10T 19 00 Line 17 No signal No signal CTL 22 00 Quad phase No signal No signal CTL 24 00 Flat filed No signal No signal CTL 26 00 CR5 1B 75 color bars No signal No signal CTL with Drop out CR5 1B PS 100 color bars with Drop out 28 00 30 00 Composite V sweep wi...

Страница 417: ...5 No signal CTL No signal 7 30 15 kHz sine wave _20 VU CTL No signal 7 55 No signal CTL No signal 8 00 10 00 1 kHz sine wave 0 VU 1 kHz sin wave 0VU No signal CR8 1B PS SONY part No 8 960 096 86 For DNW A100P A50P A45P only Time min sec LAU tracks CTL track Video 0 00 1 kHz sine wave 0 VU CTL Black burst 2 55 No signal CTL Black burst 3 00 15 kHz sine wave 0 VU CTL Black burst 4 55 No signal CTL B...

Страница 418: ...use no data is recorded on the time code track SR5 1 SONY part No 8 960 075 01 For DNW A100 A50 A45 SR5 1P SONY part No 8 960 075 51 For DNW A100P A50P A45P Time min sec Digital video Digital audio CTL track 0 00 100 color bar 1 kHz sine wave _20 dB FS CTL 2 00 100 color bar 1 kHz sine wave 0 dB FS CTL 4 00 100 color bar _ dB FS CTL 6 00 100 color bar 20 Hz sine wave _20 dB FS CTL 8 00 100 color b...

Страница 419: ...ode The operation of the maintenance mode describes as follows Entering the maintenance mode Press S1101 G 1 on the SS 63 board Shifting the next menu 1 Press the JOG button Search dial enters the JOG mode 2 Turn the search dial to set the cursor to the desired menu or mode 3 Press the SET button once Exiting from the current menu or mode Press the MENU button once n Press the MENU button several ...

Страница 420: ...ADJUST display 11 Select A012 NV RAM CONTROL 12 Execute SAVE ALL ADJUST DATA After saving operation is normally completed the message DATA SAVED will be displayed on the video monitor For 625 50 Video System 13 Switch the unit to the 625 50 system by setting basic menu item 013 525 625 SYSTEM SELECT referring to the operation manual Section 7 2 2 Then turn the power off and on again 14 Prepare the...

Страница 421: ...justment will be started After the adjustment is normally completed the message Auto Adjust Complete will be displayed on the video monitor 7 Press the MENU button to return to RF ADJUST MODE display 8 Select A11 EQUALIZER 2 2 and select ALL by shifting the cursor The menu of the DNW A50 A50P A45 A45P displays A11 EQUALIZER 9 Press SET button Then Automatic PB equalizer adjustment will be started ...

Страница 422: ...ic recording current adjustment will be started After the adjustment is normally completed the message Auto Adjust Complete will be displayed on the video monitor 5 Return to the operation mode by pressing MENU button four times 6 Eject the recording tape 7 Press S1101 on the SS 63 board to enter the maintenance mode 8 Select M0 TAPE MAINTENANCE 9 Select A1 RF ADJUST 10 Select A1F NV RAM CONTROL 1...

Страница 423: ... DM 89 TP305 DM 89 METAL C 1RV305 DM 89 1RV306 DM 89 TP305 DM 89 METAL Y 1RV105 DM 89 1RV106 DM 89 TP105 DM 89 5 OMC carrier balance adjustment provisional n This section explains a provisional adjustment for OMC carrier balance without using a spectrum analyzer as opposed to the adjustment using the spectrum analyzer described above No 4 Perform this provisional adjustment only when the spectrum ...

Страница 424: ...89 TP7 DM 89 OXIDE C 1RV407 DM 89 TP7 DM 89 OXIDE Y 1RV212 DM 89 TP3 DM 89 9 RF envelope adjustment Y 1RV205 DM 89 TP203 DM 89 C 1RV405 DM 89 TP403 DM 89 10 Impact error offset adjustment Y 1RV401 TBC 24 Video monitor C 1RV601 TBC 24 11 TBC Y C delay adjustment METAL 1RV500 TBC 24 VIDEO OUTPUT COMPONENT 1RV504 TBC 24 Note 1 OXIDE 1RV501 TBC 24 VIDEO OUTPUT COMPONENT Note 1 RV504 exists on the TBC ...

Страница 425: ...end the DM 89 board with an extension board EX 377 3 Settings of DNW 1 Set S1100 1 on SS 63 board to ON to display extended menu of the setup menu S1100 of SS 63 Board Video signal generator B Y R Y Y a a a DNW a Use the same length cables 0 5 m VIDEO OUTPUT COMPOSITE COMPONENT Y R Y B Y 1 2 3 REF VIDEO BLACK Component waveform monitor EXT Video monitor terminated with 75 Z 75 Z SS 63 board ON OFF...

Страница 426: ...ESET Y C DELAY MANUAL PRESET CHROMA PHASE MANUAL PRESET SYNC SYSTEM PHASE SC REMOTE LOCAL OFF ON Illustration is DNW A100 A50 A45 REF LOCAL PRESET PRESET PRESET PRESET PRESET OFF OFF 2FD PB Lights LTC REC VIDEO INPUT SELECT AUDIO INPUT MONITOR SELECT DISPLAY ASSEMBLE ALL FULL FINE SDTI VIDEO AUDIO CH 1 PULL FOR VARIABLE PB CH 2 CH 3 CH 4 SDI COMPONENT Y R B INPUT SDI ANALOG AES EBU TC VITC LTC AUT...

Страница 427: ...et the cursor to SAVE ALL ADJUST DATA 4 Press the SET button once Tape operations playback rewind forward etc in the maintenance mode 1 Enter any of menu A30 to A36 2 To pause the maintenance mode operation press the SET button It enables tape operation n The display of the time data display area on the lower control panel is changed to the time code display in the normal operation mode And the ma...

Страница 428: ...tive _ slope Observing the Y B channel set the trigger of oscilloscope to the positive slope Adjustment points Y A channel A30 EQ VR RF GAIN METAL Y A Y B channel A30 EQ VR RF GAIN METAL Y B Specifications Y A and Y B channels A 380 20 mV p p 4 Stop the playback of the alignment tape CR5 1B CR5 1B PS DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE I...

Страница 429: ...nel A30 EQ VR RF GAIN METAL C B Specifications C A and C B channels B 380 20 mV p p 7 Eject the alignment tape CR5 1B CR5 1B PS 8 OXIDE C adjustment Playback the 75 color bar signal portion 0 00 to 3 00 of the alignment tape CR5 2A or CR5 2A PS and perform the adjustment DNW A100 A50 A45 CR5 2A DNW A100P A50P A45P CR5 2A PS n Adjust respectively for C A and C B channels Observing the C A channel s...

Страница 430: ...gative _ slope Observing the Y B channel set the trigger of oscilloscope to the positive slope Adjustment points Y A channel A30 EQ VR RF GAIN OXIDE Y A Y B channel A30 EQ VR RF GAIN OXIDE Y B Specifications Y A and Y B channels D 250 20 mV p p 12 Eject the alignment tape CR5 2A CR5 2A PS 13 To exit from A30 EQ VR press the MENU button once on the lower control panel 14 Saving data Select A3F NV R...

Страница 431: ...89 D 1 Trigger TP5 DM 89 D 1 GND E702 DM 89 D 1 5 METAL C adjustment Playback the flat field signal portion 24 00 to 26 00 of the alignment tape CR5 1B or CR5 1B PS and perform the adjustment DNW A100 A50 A45 CR5 1B DNW A100P A50P A45P CR5 1B PS Adjustment point 1RV406 DM 89 C 5 Specification B 400 40 mV p p 6 Eject the alignment tape CR5 1B CR5 1B PS RV704 A D902 B C D E F G S901 DM 89 RV503 E303...

Страница 432: ...nd perform the adjustment DNW A100 A50 A45 CR5 2A DNW A100P A50P A45P CR5 2A PS Adjustment point 1RV212 DM 89 G 6 Specification D 400 40 mV p p 11 Stop the playback of the alignment tape CR5 2A CR5 2A PS DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP7...

Страница 433: ...A45 DNW A100P A50P A45P 3 Stop the playback of the alignment tape CR5 2A CR5 2A PS A fc 5 5 MHz 2fc 11 0 MHz DM 89 Board Side A Oscilloscope AGATE OUT CH 2 OUT CF SPAN PBW VBW SWP TIME CH 1 IN CH 2 IN Spectrum analyzer EXIT TRIG 10 MHz 20 MHz 100 kHz 10 kHz 100 ms INPUT DM 89 TP TP A fc 6 25 MHz 2fc 12 5 MHz RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 A 1 648 541 MADE IN JAPAN E901 ...

Страница 434: ...2A PS Adjustment point 1RV307 DM 89 F 5 and 1RV308 DM 89 F 5 Specification B 35 dB DNW A100 A50 A45 DNW A100P A50P A45P 6 Eject the alignment tape CR5 2A CR5 2A PS 7 METAL C adjustment Playback the flat field signal portion 24 00 to 26 00 of the alignment tape CR5 1B or CR5 1B PS and perform the adjustment DNW A100 A50 A45 CR5 1B DNW A100P A50P A45P CR5 1B PS Adjustment point 1RV305 DM 89 F 4 and ...

Страница 435: ...f the alignment tape CR5 1B CR5 1B PS DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP704 E701 TP703 TP702 TP701 TP305 TP700 TP306 TP208 RV301 RV302 RV303 RV304 RV401 RV701 RV702 RV402 RV406 RV407 TEST S301 TP304 E302 TP303 TP302 E301 TP300 TP404 TP403 ...

Страница 436: ...spectrum analyz er is not available for an urgent maintenance If the provisional adjustment is performed be sure to readjust the Y signal using the spectrum analyzer at a later date RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP704 E701 TP703 TP702 TP701 TP305 TP700 TP3...

Страница 437: ...rum analyzer n This section explains the provisional adjustment for Y signal without using a spectrum analyzer If the above mentioned Y adjustment is completed this adjustment is not required Set RV502 DM 89 E 3 as shows below RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705...

Страница 438: ...yback of the alignment tape CR5 1B CR5 1B PS DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP7 TP6 TP5 TP4 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP704 E701 TP703 TP702 TP701 TP305 TP700 TP306 TP208 RV301 RV302 RV303 RV304 RV401 RV701 RV702 RV402 RV406 RV407 TEST S301 TP304 E302 TP303 TP302 E301 TP300 TP404...

Страница 439: ...ETAL Y B Specifications A and B channels Show the table below DNW A100 A50 A45 DNW A100P A50P A45P 4 Connect the video monitor to VIDEO OUTPUT COMPOSITE 2 connector 5 Playback the multiburst signal portion 8 00 to 11 00 of the alignment tape CR5 1B or CR5 1B PS and check that the playback picture on the video monitor has no flicker DNW A100 A50 A45 CR5 1B DNW A100P A50P A45P CR5 1B PS 6 Reconnect ...

Страница 440: ...ignment tape CR5 1B or CR5 1B PS and adjust so that the level at 1 MHz or 1 5 MHz for PAL portion is within specification And confirm that levels at other frequencies are within specifications DNW A100 A50 A45 CR5 1B DNW A100P A50P A45P CR5 1B PS n The overlapping waveform of A channel and B channel signals is monitored on the component waveform monitor So adjust confirm the signal level at each c...

Страница 441: ...or B is required Following steps 1 to 5 adjust the channel with the lower level while playing back the multiburst signal portion 3 00 to 6 00 of the alignment tape 1 To exit from A32 DM VR 1 press the MENU button once 2 Select A34 DM VR 3 of the maintenance mode 3 Change the data value of SUB OXIDE Y A A channel side and judge which signal is low in level 4 If the B channel signal is low return th...

Страница 442: ...irm the B Y signal levels at each frequencies are within specifications shown above If the B Y signal is out of specifications perform fine adjustment for R Y until the specifications for both B Y and R Y signals are satisfied 17 Eject the alignment tape CR5 2A CR5 2A PS 18 To exit from A32 DM VR 1 press the MENU button once Saving data up to step 21 19 Select A3F NV RAM CONTROL of the maintenance...

Страница 443: ...89 D 1 GND E702 DM 89 D 1 5 METAL C adjustment Playback the flat filed signal portion 24 00 to 26 00 of the alignment tape CR5 1B or CR5 1B PS and perform the adjustment DNW A100 A50 A45 CR5 1B DNW A100P A50P A45P CR5 1B PS Adjustment point 1RV406 DM 89 C 5 Specification B 400 40 mV p p 6 Eject the alignment tape CR5 1B CR5 1B PS DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 ...

Страница 444: ...t DNW A100 A50 A45 CR5 2A DNW A100P A50P A45P CR5 2A PS Adjustment point 1RV212 DM 89 G 6 Specification D 400 40 mV p p 10 Eject the alignment tape CR5 2A CR5 2A PS C D DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E303 1 2 3 4 5 6 7 A 1 648 541 MADE IN JAPAN E901 RV703 TP8 TP6 TP4 TP5 TP7 TP3 TP2 TP1 RV504 E105 LOTNO S NO S501 E702 TP505 TP705 TP704 E701 TP703 TP702 TP701 TP305 TP7...

Страница 445: ...nt tape CR5 1B or CR5 1B PS and perform the adjustment DNW A100 A50 A45 CR5 1B DNW A100P A50P A45P CR5 1B PS Adjustment point 1RV405 DM 89 C 6 Specification B 2 0 0 2 V dc 5 Eject the alignment tape CR5 1B CR5 1B PS 6 Turn off the power and allow 30 seconds to remove the extension board 7 Insert the DM 89 board in the slot A 0 V B 0 V DM 89 Board Side A RV704 A D902 B C D E F G S901 DM 89 RV503 E3...

Страница 446: ... PS 7 Turn off the power and allow 30 seconds to remove the extension board and extension harness 14P 8 Insert the TBC 24 board in the slot 9 Reconnect the harness that was removed in step 1 TBC 24 1 648 542 MADE IN JAPAN 2 B 1 3 4 5 6 7 A TP203 RV201 TP101 E501 TP601 E301 A C D E F G A No LOT No S No RV500 RV501 RV300 E200 TP103 E100 RV402 RV400 TP300 TP401 RV303 E302 TP404 TP403 TP406 TP402 TP40...

Страница 447: ... at which the CH 1 Y and CH 2 B Y signals cross Adjust so that the deviation between the center marker and bowtie dip point is within specification Then observe the point at which the CH 1 Y and CH 3 R Y signals cross and adjust in the same manner Adjustment points Field 1 1RV500 TBC 24 B 1 Field 2 1RV504 TBC 24 C 1 Specifications A 0 10 ns B 0 10 ns n RV504 exists on the TBC 24 board with the suf...

Страница 448: ... and CH 2 B Y signals cross Adjust so that the deviation between the center marker and bowtie dip point is within specification Then observe the point at which the CH 1 Y and CH 3 R Y signals cross and adjust in the same manner Adjustment point 1RV501 TBC 24 C 1 Specifications A 0 10 ns B 0 10 ns 8 Eject the alignment tape CR5 2A CR5 2A PS RV501 on TBC 24 Board RV201 RV200 RV500 RV501 RV300 RV101 ...

Страница 449: ...rporation n When AES EBU I F kit BKNW 105 is equipped in the DNW substitute MONITOR OUTPUT L R connectors for AUDIO OUTPUT CH1 CH2 connectors respectively to measure To perform the electrical adjustments the following equipment and fixtures are required Audio signal generator TEKTRONIX SG505 option 02 or equivalent Audio analyzer TEKTRONIX AA501A option 02 or equivalent n The audio analyzer should...

Страница 450: ...he DNW skip this setting Ref No Item Setting at adjustment Customer position fill up COR300 Analog audio CH1 output head room 20 __________ COR301 Analog audio CH1 output level 4 __________ COR400 Analog audio CH2 output head room 20 __________ COR401 Analog audio CH2 output level 4 __________ fig 06 04 001E APR 12 Board Side A fig 06 04 002 APR 13 Board Side A 6 4 Electrical Adjustment after Repl...

Страница 451: ...C REMOTE LOCAL 9P INT EXT PRESET REGEN DF NDF ON FREE RUN REC RUN COMPOSITE TC GENERATOR VIDEO EDITING MODE VI TC UB INTRP A IN DF LTC VITC 8F 4F 2F A OUT TCG TOTAL REMAIN 525 625 EVENT DOLBY NR CONFI ON PB EE RECALL DELETE PREVIEW REVIEW AUTO EDIT AUDIO SERVO IN AUDIO OUT OUT IN EVENT STANDBY ENTRY PLAYER RECORDER VAR FORWARD JOG SHUTTLE PREROLL REC EJECT REW PLAY F FWD STOP REVERSE DISK BUSY PB ...

Страница 452: ...given on the label of the alignment tape n If the specification for RV500 adjustment is not satified readjust after changing the setting of S500 APR 12 A 1 CH2 adjustment 3 Connect the input of audio analyzer to AUDIO OUTPUT CH2 connector However when the optional kit BKNW 105 is equipped in the DNW connect the audio analyzer to MONITOR OUTPUT R connector 4 Playback the following specified portion...

Страница 453: ...z _20 VU Measured value makes 0 dB reference _ 6 00 to 6 25 40 Hz _20 VU C V 0 7 Check only _1 7 6 30 to 6 55 7 kHz _20 VU C V 0 3 Check only 7 00 to 7 25 10 kHz _20 VU C V 0 4 Check only 7 30 to 7 55 15 kHz _20 VU C V 0 5 1RV602 APR 12 G 1 The correction values C V are given on the label of the alignment tape APR 12 Board Side A For OXIDE APR 12 Board Side A For METAL S600 RV600 RV601 RV602 TP600...

Страница 454: ... 2 55 of alignment tape CR8 1A or CR8 1B PS and perform the level adjustment DNW A100 A50 A45 CR8 1A DNW A100P A50P A45P CR8 1B PS Adjustment point 1RV604 APR 12 E 1 Specification _10 0 0 2 dBu 0 dBu 0 775 V rms APR 12 Board Side A S600 RV600 RV601 RV602 TP600 RV603 TP601 RV604 RV605 E600 TP501 RV503 TP500 RV501 RV502 RV500 S500 RV203 E200 TP700 TP560 RV202 COR201 20 18 16 RV200 TP201 TP200 RV201 ...

Страница 455: ... equipped in the DNW connect the audio analyzer to MONITOR OUTPUT R connector 4 Playback the 1 kHz 0 VU portion 0 00 to 2 55 of alignment tape CR8 1A or CR8 1B PS and perform the level adjustment DNW A100 A50 A45 CR8 1A DNW A100P A50P A45P CR8 1B PS Adjustment point 1RV605 APR 12 F 1 Specification 4 0 0 2 dBm at 600 Z load APR 12 Board Side A S600 RV600 RV601 RV602 TP600 RV603 TP601 RV604 RV605 E6...

Страница 456: ...yback the 10 kHz _10 VU portion 3 00 to 4 55 of the alignment tape CR8 1A For the DNW A100P A50P A45P playback the 15 kHz 0 VU portion 3 00 to 4 55 of the align ment tape CR8 1B PS 3 Observe the lissajous waveform on the oscilloscope 4 Align the vertical and horizontal amplitudes of lissajous waveform to 60 mm square with the VOLTS DIV and VAR controls of the oscilloscope 5 Minimize the phase diff...

Страница 457: ...vel Check Measuring equipment Oscilloscope 1 Connect and set the oscilloscope as follows CH 1 TP102 TC 96 A 2 GND E300 TC 96 A 3 DC 100 mV DIV TRIG TP325 SS 63 A 1 GND E100 SS 63 A 1 TIME 100 us DIV 2 Insert the alignment tape SR5 1 525 60 system or SR5 1P 625 50 system 3 With the alignment tape playing back in following PB modes check the level on the oscilloscope in each PB mode PB modes PLAY RE...

Страница 458: ...IME CODE OUT connector of the DNW 6 Change the connection of oscilloscope as follows CH 1 TP102 TC 96 A 2 GND E300 TC 96 A 3 7 During play back the recorded portion at step 4 playing back in PLAY mode check that the time code can be read on the time code reader 8 During play back the recorded portion at step 4 playing back in following PB modes check each level on the oscilloscope PB modes PLAY RE...

Страница 459: ...lip 5 Rewind the recorded portion by 15 seconds and record again Record the no signal to the time code track 6 Disconnect the shorting clip 7 Connect the audio level meter through a 1 kHz band pass filter to TP102 TC 96 A 2 GND E300 TC 96 A 3 8 During play back the audio signal recorded portion in PLAY mode measure PB level on the audio analyzer This measured audio level is a reference level 0 dB ...

Страница 460: ......

Страница 461: ...Adjustment Flow Chart START AT Head Zenith Check and Adjustment Tape running Check and Adjustment Video Tracking Check and Adjustment CTL Head Height Check and Adjustment CTL Head Position Check and Adjustment AT Head Height Check and Adjustment AT Head Azimuth Check and Adjustment AT Head Head to tape Contact Check and Adjustment AT Head Position Check and Adjustment Audio Level Check and Adjustm...

Страница 462: ...the cassette compartment removed the tape protection circuit is activated and the ERROR message may be displayed In this case turn the power off then turn it on again 4 Cassette Tape The tape path adjustment is performed after the cassette compertment removal Then it is necessary to make a modification to the cassette tape and alignment tape that are used for tape path adjustment as follows 7 1 Ta...

Страница 463: ...sette supports on the mechanical deck And then put a weight on the cassette so that it does not rise up The weight about 1000 g is suitable 5 Tracking Control The method of the tracking control in the playing back mode is described below 1 Set a cassette tape and put a weight on the cassette so that it does not rise up Weight about 1000 g is suitable 2 Press the PLAY button then the tape is played...

Страница 464: ...Maintenance Manual Part 1 Lower drum s tape running surface and lead surface Refer to Section 5 2 4 of Maintenance Manual Part 1 Stationary heads Refer to Section 5 2 5 of Maintenance Manual Part 1 Tape running system and tape cleaner Refer to Section 5 2 6 of Maintenance Manual Part 1 7 1 Tape Path Adjustment 7 Alignment Tape For the contents of the following alignment tape refer to Section 1 4 1...

Страница 465: ...ng screws apply locking compound to the screws after adjustment is completed The locking compound that applied to other surrounding parts must be wiped off with gauze or soft cloth Locking compound 7 432 114 11 AT head assembly T drawer arm Slant guide S tension regulator CTL FE head assembly http getMANUAL com ...

Страница 466: ...th 3 184 527 01 Cleaning fluid 9 919 573 01 AT Head Zenith Check 7 1 1 AT Head Zenith Check and Adjustment Check 1 Unthreading End Mode Check that the unit is in the unthreading end mode 2 Check the AT Head Zenith 1 Lightly place the flatness plate against the TG 4 guide and AT head n Be careful not to damage the surface of the AT head and TG 4 guide 2 Check that no clearance exists between the AT...

Страница 467: ...2 Turn the zenith adjustment screw clockwise to satisfy the specification 6 Attach the CL Guide Rail Attach the CL guide rail with two screws 7 Cleaning Clean the surface of the AT head AT erase head and TG 4 guide using a cleaning cloth moistened with cleaning fluid AT Head Zenith Adjustment 7 1 1 AT Head Zenith Check and Adjustment Zenith adjustment screw Zenith adjustment screw Flatness plate A...

Страница 468: ...10 A 7 1 2 Tape running Check and Adjustment Check 1 Set the S Cassette Tape 1 Set the reel tables to the S cassette position Refer to Section 5 1 3 2 Set the S cassette and put a weight on the cassette so that it does not rise up Weight about 1000 g is suitable 2 Turn the Power On 3 PLAY Mode Check that the tape running condition satisfies specification 1 If specification 1 is not satisfied perfo...

Страница 469: ...using a tape guide adjustment driver and adjust the height of TG 1 and TG 2 so that the specification 1 is satisfied 10 Recheck the Tape running at Tape Approaching Side Perform the tape running check refer to steps 3 through 8 and perform the video tracking adjustment Refer to Section 7 1 3 If the specification 1 is not satisfied perform the adjustment in step 9 again 7 1 2 Tape running Check and...

Страница 470: ...tion 2 If specification 2 is not satisfied perform steps 12 and 14 6 REW Mode Check that the tape running condition satisfies specification 2 If specification 2 is not satisfied perform steps 12 and 14 7 REV x 1 Mode Check that the tape running condition satisfies specification 2 If specification 2 is not satisfied perform steps 12 and 14 8 VAR x _ _ _ _ _1 30 Mode Check that the tape running cond...

Страница 471: ...f the tape width TG 5 Threading roller The tape runs without any curl at the upper and lower flanges 5 6 7 8 Spec 2 TG 10 The tape runs not in contact with the upper and lower flanges Take up side tape guide of cassette The tape runs without any curl at the upper and lower portions of the tape guide 9 0 Spec 3 Play mode Tape running Check at Tape Leaving Side 7 1 2 Tape running Check and Adjustmen...

Страница 472: ... REV x 10 mode or VAR x _1 30 mode At this time check that the tape running condition satisfies specification 2 If it is not satisfied repeat steps 1 through 4 mentioned above 14 Recheck the Tape Running at Tape Leaving Side Perform steps 2 through 8 again If the specification 2 is not satisfied perform the adjustment in step 12 again If the specification 2 is not satisfied in REV x 10 mode or VAR...

Страница 473: ...t plate TG 3 and TG 4 height adjustment slant guide slantness adjustment TG 5 Height adjustment Only when the specification is not satisfied in REV x 10 mode or VAR x 1 30 mode Unthreading end mode TG 5 Threading roller Tape running Adjustment at Tape Leaving Side 7 1 2 Tape running Check and Adjustment ...

Страница 474: ... 075 11 Alignment tape SR2 1P For 625 50 system 8 960 075 61 Alignment tape CR2 1B For DNW A100 A50 A45 8 960 096 01 Alignment tape CR2 1B PS For DNW A100P A50P A45P 8 960 096 51 Oscilloscope Tektronix 2465B or equivalent Adjustment mirror circular J 6080 029 A Tape guide adjustment driver MW 261 J 6322 610 A Preparation 1 Turn the Power Off 2 Connect the Oscilloscope For DNW A100 A100P CH 1 TP300...

Страница 475: ...A100 A100P CH 1 TP500 CH 2 TP100 CH 1 TP400 CH 2 TP101 CH 1 TP600 CH 2 TP101 CH 1 TP1300 CH 2 TP102 CH 1 TP1500 CH 2 TP102 CH 1 TP1400 CH 2 TP103 CH 1 TP1600 CH 2 TP103 All of these TPs are on the EQ 56 board For DNW A50 A45 A50P A45P CH 1 TP1500 CH 2 TP102 CH 1 TP600 CH 2 TP101 CH 1 TP1600 CH 2 TP103 All of these TPs are on the EQ 56 board n The signal that is output from each TP is as shown belo...

Страница 476: ...under playing back the CR2 1B PS In the same way the Ca and Cb signals are output from TP1500 2 Press the EJECT button so that the unit put into the unthreading end state and remove the SR2 1 P At the same time the tracking VR becomes to be not effective 3 Set the CR2 1B PS and put a weight on the cassette so that it does not rise up Weight about 1000 g is suitable 4 Press the PLAY button to play ...

Страница 477: ... is output 7 1 3 Video Tracking Check and Adjustment 8 REC B Head Output Check 1 Connect the oscilloscope CH 1 TP1600 EQ 56 board B4B8 signal TRIG TP325 SS 63 board SS GOP signal Oscilloscope setting CH 1 50 mV DIV TRIG 5 V DIV TIME 5 ms 2 Play back the SR2 1 P 15 00 to 20 00 3 Check that RF waveform is output from CH 1 Spec 3 Oscilloscope CH 1 TP1600 EQ 56 board B4B8 signal TRIG TP325 SS 63 board...

Страница 478: ...ard SS GOP signal Oscilloscope setting CH 1 1 V DIV TRIG 5 V DIV TIME 5 ms DIV 2 Play back the SR2 1 P 00 00 to 15 00 3 Push S100 switch on the SS 63 board more than 1 sec so that the tracking VR becomes to be effective 4 Turn the tracking VR so that the output level of RF envelope waveform is maximized 5 Turn RV100 on the SS 63 board clockwise so that the center portion of the RF envelope wavefor...

Страница 479: ...effective Video Tracking Check F FWD REW If the output waveform is extremely abnormal condition as shown in Fig 1 after replacing the upper drum assembly perform the upper drum replacement again Upper drum assembly replacement Refer to Section 5 2 10 F FWD and REW Mode 1 Press the PLAY button and play back the SR2 1 P 00 00 to 15 00 2 Put the unit into the F FWD mode and check that the RF waveform...

Страница 480: ...lope waveform satisfies the specification 8 In case of the waveform become A B or C Check that the output level b is more than 70 of the level in normal PLAY mode a and returns it to the level in normal PLAY mode within 1 second after servo locks up Spec 9 If specification 9 is not satisfied in waveform A or B shown in the figure check the tape running at the tape approaching side Refer to Section...

Страница 481: ...comes to be effective 3 Turn RV100 on the SS 63 board clockwise and adjust the center portion of the RF envelope waveform makes 80 of the maximum output level 4 Loosen the upper flange of TG 2 and turn the upper flange so that the tape does not in contact with the upper flange of TG 2 5 Turn the height adjustment nut of TG 1 so that the overlap portion of the entrance side of the RF envelope wavef...

Страница 482: ... not satisfy the specification 11 at either TG 0 TG 1 or TG 2 perform the adjustments from the step 1 again 14 Recheck the Video Tracking Perform steps 5 through 11 again Tracking Adjustment at Drum Entrance Side Tape running check at entrance side Spec 11 1 TG 0 The tape runs without any curl at the upper and lower flanges 2 TG 1 S Tension regulator The tape runs in contact with the upper flange ...

Страница 483: ...Drum Exit Side 15 CL Guide Rail Removal Remove the two screws then remove the CL guide rail 16 Tracking Adjust at Drum Exit Side 1 Play back the SR2 1 P 00 00 to 15 00 2 Push S100 switch on the SS 63 board more than 1 sec so that the tracking VR becomes to be effective 3 Turn RV100 on the SS 63 board clockwise and adjust the center portion of the RF envelope waveform to the maximum output level Co...

Страница 484: ...the RF envelope waveform makes 20 or less of the maximum output level Fig 1 At this time check that the tape does not in contact with both upper flange of TG 3 and lower flange of TG 4 If the tape contacts either flange repeat step 4 or 5 If the tape moves upward or downward following the height adjustment nut move ment perform the following adjustment This trouble cause is uneven tape tension at ...

Страница 485: ...ng modes PLAY mode F FWD mode REW mode REV x 1 mode VAR x _1 30 mode If the tape curl does not satisfy the specification 13 at TG 3 perform the following adjustments while observing the waveform 1 Change the zenith of the AT head within the range of the specification shown in Fig 1 2 Perform the tracking adjustment again Refer to steps 1 through 9 mentioned above 3 In case of the adjustment is per...

Страница 486: ...nment Tape Play back the SR2 1 P 15 00 to 27 00 6 Check the CTL Head Height 1 Check that the level decreases when portion A of the tape shown in the figure is pressed down If the level increases perform step 7 2 Check that the level decreases when portion B of the tape is pushed up If the level increases perform step 8 Preparation 7 1 4 CTL Head Height Check and Adjustment Alignment tape SR2 1 SR2...

Страница 487: ...en the Tape is Pressed Down Fig 1 Turn the adjustment nut counterclockwise and adjust so that the output waveform is maximum 8 In Case the Level Increases when the Tape is Pushed Up Fig 2 Turn the adjustment nut clockwise and adjust so that the output waveform is maximum 7 1 4 CTL Head Height Check and Adjustment Fig 1 Fig 2 CTL Head Height Adjustment ...

Страница 488: ...adjusted Tools Alignment tape SR2 1 For 525 60 system 8 960 075 11 Alignment tape SR2 1P For 625 50 system 8 960 075 61 Oscilloscope Tektronix 2465B or equivalent 7 1 5 CTL Head Position Check and Adjustment Preparation 1 Turn the Power Off 2 Connect the Oscilloscope CH 1 TP106 SS 63 board AB EVEN ENV signal TRIG TP325 SS 63 board SS GOP signal Oscilloscope setting CH 1 1 V to 200 mV DIV TRIG 5 V ...

Страница 489: ...button 5 Check that the Switching PB is indicated and press the SET button n Refer to Section 4 of the maintenance manual part 1 Maintenance Mode for more infor mation about the maintenance mode 6 Play Back the Alignment Tape Play back the SR2 1 P 00 00 to 15 00 7 Check the CTL Head Position 1 Check that the marker exists in the RF waveform that comes 15 ms later than the rising edge of the SS GOP...

Страница 490: ...sts in the RF envelope waveform that comes 15 ms later than the rising edge of the SS GOP signal 10 Tighten the Screw Tighten the screw loosened in step 8 Tightening torque 98 x 10_2 N m 10 0 kgf cm 11 Recheck the CTL Head Position Perform to steps 5 through 7 again In Case the Adjustment is Performed 12 Adjust the AT Head Position Refer to Section 7 1 9 13 Locking Compound Applying Refer to Secti...

Страница 491: ...rmed in this section when the AT head height is adjusted Tools Alignment tape CR8 1A For DNW A100 A50 A45 8 960 097 45 Alignment tape CR8 1A PS For DNW A100P A50P A45P 8 960 098 45 Oscilloscope Tektronix 2465B or equivalent Preparation 1 Turn the Power Off 2 Connect the Oscilloscope CH 1 TP500 APR 12 board 1 PB L signal Ground at E500 CH 2 TP600 APR 12 board 2 PB L signal Ground at E600 Oscillosco...

Страница 492: ...ck that both levels in CH 1 and CH 2 decrease when portion A of the tape shown in the figure is pressed down If both levels increase perform step 7 2 Check that both levels in CH 1 and CH 2 decrease when portion B of the tape is pushed up If both levels increase perform step 8 7 1 6 AT Head Height Check and Adjustment Spec The portion C widens when pressing down and pushing up the alignment tape A...

Страница 493: ...ut 1 2 turn 2 Turn the height adjustment screw clockwise and adjust so that both output waveforms in CH 1 and CH 2 maximum n To stabilize the AT head height after the adjust ment set the maximum output level with the AT head moved from bottom to top with the height adjustment screw turned clockwise In Case the Adjustment is Performed 9 Adjust the AT Head Azimuth Refer to Section 7 1 7 10 Adjust th...

Страница 494: ...CR8 1A For DNW A100 A50 A45 8 960 097 45 Alignment tape CR8 1A PS For DNW A100P A50P A45P 8 960 098 45 Oscilloscope Tektronix 2465B or equivalent 7 1 7 AT Head Azimuth Check and Adjustment Preparation Connection of the oscilloscope Preparation 1 Turn the Power Off 2 Connect the Oscilloscope CH 1 TP500 APR 12 board 1 PB L signal Ground at E500 CH 2 TP600 APR 12 board 2 PB L signal Ground at E600 Os...

Страница 495: ...tal and vertical amplitudes of lissajous waveform to 6 cm each 2 Check that the lissajous waveform holds the upper right shape 3 Check that the vertical amplitude at the center point in the horizontal direction satisfies the specification 4 Strike the portions A and B shown in the figure lightly with the tip of a screwdriver Then check that the specification is satisfied 5 If the specification in ...

Страница 496: ...tip of a screwdriver Then check that the specification is satisfied In Case the Adjustment is Performed 8 Adjust the AT Head Head to tape Contact Refer to Section 7 1 8 9 Adjust the AT Head Position Refer to Section 7 1 9 10 Check the AT Head Height Refer to Section 7 1 6 11 Check the AT Head Azimuth Refer to steps 5 and 6 in this section 12 Re check the AT head Rerform the steps 8 through 10 agai...

Страница 497: ...nment tape CR8 1A PS For DNW A100P A50P A45P 8 960 098 45 Oscilloscope Tektronix 2465B or equivalent Torque screwdriver 6 kgf cm JB 5251 J 6252 510 A Torque screwdriver s bit 2 mm l 75 mm J 6323 420 A Preparation 1 Turn the Power Off 2 Connect the Oscilloscope CH 1 TP500 APR 12 board 1 PB L signal Ground at E500 CH 2 TP600 APR 12 board 2 PB L signal Ground at E600 Oscilloscope setting CH 1 200 mV ...

Страница 498: ...f the tape shown in the figure slightly It means increasing the tape s wrapping angle against the AT head 2 Check that both increasing values of the output levels in CH 1 and CH 2 satisfy the specification If the specification is not satisfied perform steps 7 and later 7 1 8 AT Head Head to tape Contact Check and Adjustment Spec Both increasing values of the output levels in CH 1 and CH 2 are with...

Страница 499: ...position so that the output waveform is maximum 9 Tighten the Screws Tighten the two securing screws loosened in step 7 Tightening torque 19 6 x 10_2 N m 2 kgf cm 10 Recheck the AT Head Head to tape Contact Refer to steps 5 and 6 in this section In case the adjustment is performed 11 Check the AT Head Position Refer to Section 7 1 9 12 Check the AT Head Height Refer to Section 7 1 6 13 Check the A...

Страница 500: ...nt tape SR2 1 For 525 60 system 8 960 075 11 Alignment tape SR2 1P For 625 50 system 8 960 075 61 Oscilloscope Tektronix 2465B or equivalent 7 1 9 AT Head Position Check and Adjustment AT Head Position Check Preparation 1 Turn the Power Off 2 Connect the Oscilloscope CH 1 TP304 SS 63 board CTL PULSE signal CH 2 TP102 TC 96 board PB LTC signal TRIG TP325 SS 63 board SS GOP signal Oscilloscope setti...

Страница 501: ...sition so that the specification is satisfied 10 Tighten the Screws Tighten the two screws loosened in step 8 Tightening torque 98 x 10_2 N m 10 0 kgf cm 11 Recheck the AT Head Position Refer to steps 5 and 6 in this section 12 Attach the CL Guide Rail Attach the CL guide rail with two screws In Case the Adjustment is Performed 13 Check the AT Head Height Refer to Section 7 1 6 14 Check the AT Hea...

Страница 502: ... 6080 029 A Tape guide adjustment driver MW 261 J 6322 610 A 7 1 10 Audio Level Check and Adjustment in REV Mode Preparation 1 Turn the Power Off 2 Connect the Oscilloscope CH 1 TP500 APR 12 board 1 PB L signal Ground at E500 CH 2 TP600 APR 12 board 2 PB L signal Ground at E600 Oscilloscope setting CH 1 200 mV DIV CH 2 200 mV DIV TIME 5 ms DIV n 1 PB L signal TP500 is the playback signal of the CH...

Страница 503: ...ignal portion 8 00 to 10 00 on the CR8 1A PS 6 Check the Audio Output Level 1 Check the audio output level A1 in CH 1 2 Check the audio output level A2 in CH 2 7 Put the Unit into the REV x 1 Mode 8 Check the Audio Output Level 1 Check that the audio output level B1 in CH 1 satisfies specification 1 2 Check that the audio output level B2 in CH 2 satisfies specification 1 If specification 1 is not ...

Страница 504: ...guides height at the drum exit side Refer to steps 12 through 14 at the Drum Exit Side in Section 7 1 2 If the height of the tape guide is adjusted perform the video tracking check Refer to Section 7 1 3 Adjustment 9 Adjust the TG 5 Threading Roller Height 1 Play back the 1 kHz 0VU signal portion 8 00 to 10 00 on the CR8 1A PS 2 Put the unit into the REV x 1 mode 3 In case the level increases when...

Страница 505: ...ed in this manual consists of information that is the property of Sony Corporation and is intended solely for use by the purchasers of the equipment described in this manual Sony Corporation expressly prohibits the duplication of any portion of this manual or the use thereof for any purpose other than the operation or maintenance of the equipment described in this manual without the express writte...

Страница 506: ...Printed in Japan Sony Corporation 1999 6 08 Broadcasting Professional Systems Company 1997 DNW A100 UC DNW A100P CE UC DNW A50 UC DNW A50P CE UC DNW A45 UC DNW A45P CE UC E 9 967 659 02 ...

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