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2-1

DVW-250/250P

2-1. Error Message

This unit features self-diagnostics.

When trouble is detected, an error code and error message are displayed

immediately in the audio meter LCD on the front panel.

Section 2

Error Messages

Code

Error message

E R R O R - 0 1

R E E L T R O U B L E - 1

Audio Meter LCD

Code

Error message

Description

01

REEL TROUBLE 1

The slack of the tape is detected during threading or unthreading

02

REEL TROUBLE 2

The slack or breaking of the tape is detected in search, fast forward, or rewind
mode.

03

REEL TROUBLE 3

The slack or breaking of the tape is detected in playback or recording mode, or
either of the lock of the supply or take-up reel is detected.

04

REEL TROUBLE 4

It is detected that the tape does not run at the speed of designation in fast
forward or rewind mode.

05

REEL TROUBLE 5

It is detected that the supply or take-up reel cannot stop with a cassette is not
inside, or detected thatover current has been flowing to supply and take-up
reels.

06

TAPE TENSION ERROR

Excessive tension is detected.

07

CAPSTAN TROUBLE

It is detected that the tape does not run at the speed of designation in search or
playback mode.

08

DRUM TROUBLE

It is detected that drum motor rotation is not normal.

09

THREAD MOTOR TIME OUT

It is detected that threading or unthreading is not completed within the pre-
scribed time.

0A

THREADING TROUBLE

It is detected that threading cannot be done.

10

HUMID

Condensation is detected.

11

TAPE TOP/END SENSOR TROUBLE

Tape top and end are detected at the same time.

12

TAPE TOP SENSOR TROUBLE

The tape top sensor operation is defective.

13

TAPE END SENSOR TROUBLE

The tape end sensor operation is defective.

20

CASSETTE COMPARTMENT MOTOR LOCK It is detected that cassette up/down operation is not completed within the

prescribed time.

92

INTERNAL INTERFACE ERROR

The interface between SY(IC15/SST-3 board) and SV(IC404/SST-3 board) is
defective.

93

CPU INITIALIZE ERROR

Abnormal conditions are encountered during system initialize after the POWER

sub error message

switch is turned ON.

SY

SY:IC15/SST-3 board

SV

SV:IC404/SST-3 board

96

RAM TROUBLE

The checksum error arise in the RAM with battery backup for system control.
IC28/SST-3 board

97

SV NV-RAM TROUBLE

The checksum error arise in the NV-RAM for servo.
IC405/SST-3 board

99

INTERFACE ERROR

The interface between SY(IC15/SST-3 board) and PROC(IC305/DPR-62 board)
is defective.

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Содержание DVW-250

Страница 1: ...MAINTENANCE MANUAL Part 1 1st Edition Revised 2 Serial No 10001 and Higher DVW 250 250P DIGITAL VIDEOCASSETTE RECORDER ...

Страница 2: ...e d incendie ou de blessure n effectuer que les réparations indiquées dans le mode d emploi à moins d être qualifié pour en effectuer d autres Pour toute réparation faire appel à une personne compétente uniquement CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the ma...

Страница 3: ... Installation 1 14 1 7 Connector Panel Removal Installation 1 14 1 8 Battery Terminal Replacement 1 15 1 9 Fuse Replacement 1 15 1 10 Switch Slit Land Settings on the Boards 1 16 1 10 1 CP 260 board 1 16 1 10 2 ADA 44 board 1 18 1 10 3 DIF 31 board 1 19 1 10 4 DPR 62 board 1 20 1 10 5 EQ 54 board 1 21 1 10 6 SST 3 board 1 22 1 10 7 VPR 12 board 1 23 1 11 Ejecting the Cassette Tape Manually 1 24 1 ...

Страница 4: ...ment List 5 7 5 3 Cares after Using at Special Environment 5 8 6 Replacement of Mechanical Parts 6 1 General Information for Mechanical Part Replacement 6 1 6 1 1 Caution 6 1 6 1 2 Threading End Unthreading End Mode 6 2 6 1 3 Parts Location of Periodical Replacement Parts 6 4 6 1 4 Other Cautions 6 5 6 1 5 Reel Table Position 6 7 6 2 Brush Replacement 6 9 6 3 Slip Ring Assembly Replacement 6 12 6 ...

Страница 5: ... 1 3 Notes 7 3 7 1 4 Preparations 7 4 7 1 5 Tools 7 4 7 2 Tape Path Adjustment 7 5 7 2 1 S3 S5 Tape Guides Height Adjustment 7 5 7 2 2 CTL Head Height Adjustment 7 9 7 2 3 CTL Head Position Adjustment 7 11 7 2 4 DIP Switch Setting 7 13 7 2 5 S1 Guide Slantness Adjustment 7 14 7 2 6 S2 Guide Height Adjustment 7 16 7 2 7 S Side Tape Running Check 7 18 7 2 8 T1 Guide Slantness Adjustment 7 21 7 2 9 T...

Страница 6: ... Blocks 9 3 9 2 Power Control System Adjustment 9 4 9 2 1 SST 3 Board Voltage Adjustment 9 4 9 3 Servo System Adjustment 9 4 9 3 1 EEPROM Data Initialize 9 4 9 3 2 Click Position Correction of Tracking Volume 9 5 9 3 3 Capstan FG Duty Adjustment 9 5 9 3 4 Capstan Free Speed Adjustment 9 6 9 3 5 Drum PG Phase Adjustment 9 6 9 3 6 Save the Servo Data 9 7 9 4 Audio System Adjustment 9 8 9 4 1 PB Leve...

Страница 7: ...ndition Check 9 22 9 5 13 Save the Adjustment Data 9 22 9 5 14 Manual Adjustment 9 23 9 5 15 Setting after RF Adjustment 9 24 9 6 Video System Adjustment 1 9 24 9 6 1 Frequency Adjustment 9 24 9 7 Video System Adjustment 2 9 25 9 7 1 Pedestal Level Adjustment 9 25 9 7 2 Composite Input Level Adjustment 9 26 9 7 3 CAMERA RETURN VIDEO Level Adjustment 9 27 9 7 4 INPUT SYNC Level Adjustment 9 27 10 S...

Страница 8: ......

Страница 9: ...plains the maintenance mode of this unit Section 4 Overall Block Diagrams and Circuit Descriptions Describes the overall block diagrams and the circuit descriptions Section 5 Periodic Maintenance and Inspection Explains the cleaning procedures and periodic checks Section 6 Replacement of Mechanical Parts Explains how to replace the parts that should replace periodically and how to adjust them afte...

Страница 10: ...unit This manual is necessary for application and operation of this unit Maintenance Manual Part 2 Not supplied with this unit This manual describes the information items adjustments board layouts sche matic diageams detailed parts list etc that premise the service based on parts If this manual is required please contact to Sony s service organization ...

Страница 11: ...er 0 C cover cloth against the cold is recommended to use c In the following environments if the unit is operated continuously in the carrying case it may become hot In such cases avoid removing the unit from the carrying case as this may result in burns or injury If necessary attach the shoulder strap In direct sunlight In a car on a hot sunny day Near heating appliances Power voltage DC12 5 0 V ...

Страница 12: ...ocessor AD DA 15 VR 194 Audio Rec Level Selector Preset Variable 13 VR 206 Audio Rec Level Control 12 VR 205 Phone Level Control 11 DUS 339 Head Phone Connector 10 SERVO KY 315 Panel Switches 14 SYSTEM CONTROL CON 18 TC IN OUT Connectors 6 TIMECODE SE 233 Sensor Casette Coding 1 DET 26 Sensor Thread Unthread 8 DET 15 Cassette In Detector 3 TR 57 S Tension Detector 2 POWER SUPPLY DC 85 DC Input Sel...

Страница 13: ...Converter Rec Current Control Rec Envelope Detector DIF 31 4 2 2 Component Serial Digital Interface 22 RF CUE EQ 54 RF Equalizer PB EQ PB Envelope Detector 18 Cue Rec PB SERVO SST 3 Servo System Control Timecode 25 SYSTEM CONTROL Full Erase Channel Erase Oscillator TIMECODE POWER SUPPLY PSW 31A DC DC Converter 19 PSW 31B DC DC Converter 20 PSW 31C DC DC Converter 21 OTHERS MB 601 Mother Board 17 1...

Страница 14: ...50P System Board name Circuit function Loction No SERVO CS 25 Cassette Up Down Detector 27 SYSTEM CONTROL TIMECODE CS 26 Cassette Up Down Detector 26 1 2 Locations of Main Part and Functions of Printed Circuit Board ...

Страница 15: ...eo head cleaning roller 14 Threading motor 4 Brush 15 T reel belt 5 Slip ring 16 Pinch roller arm 6 Drum 17 T reel table 7 Upper drum 18 S reel table 8 CUE brush 19 S reel belt 9 CUE TC head 20 FE head 10 Solenoid T reel brake 21 S reel motor 11 Solenoid Pinch 22 CTL head 1 2 3 4 5 6 7 8 9 0 1 2 Locations of Main Part and Functions of Printed Circuit Board ...

Страница 16: ...1 6 DVW 250 250P Cassette compartment 23 DC motor 1 2 3 Function and Location of Sensors Mechanical deck 098 7 6 5 3 2 1 4 1 2 Locations of Main Part and Functions of Printed Circuit Board ...

Страница 17: ... tape that is being inserted into the unit 9 Metal oxide tape sensor Using a tub on the back side of the cassette tape this sensor detects whether an oxide tape or metal tape is being inserted into the unit Only during analog tape playback 10 Analog digital tape sensor Using a tub on the back side of the cassette tape this sensor detects whether an analog tape or digital tape is being inserted int...

Страница 18: ...nel during maintenance the hardware listed below or the equivalents must be used Panel indication Matching cable connector cable Connector Sony part No VIDEO IN BNC 1 560 069 11 SDI IN SDI OUT VIDEO OUT 1 VIDEO OUT 2 TC IN TC OUT AUDIO IN CH 1 to CH 4 XLR 3P MALE 1 508 084 00 AUDIO OUT CH 1 to CH 4 XLR 3P FEMALE 1 508 083 00 DC IN 12V XLR 4P FEMALE 1 508 362 00 DC OUT ROUND TYPE 4P MALE 1 566 425 ...

Страница 19: ...H 1 to CH 4 Selectable between 60 20 and 4 dBu Impedance 10 kΩ or more balanced TC IN 0 5 to 18 V p p impedance 10 kΩ 10 unbalanced DC IN 12 V 11 to 17 V OUTPUT SDI OUT D1 format serial digital Video Audio 4 ch SMPTE 259M ITU R BT 656 VIDEO OUT Analog composite 1 0 V p p 75 Ω Selectable text superimposition on output 2 only AUDIO OUT CH 1 to CH 4 4 dBm 600 Ω load balanced TC OUT 2 2 V p p 10 kΩ lo...

Страница 20: ... STOP START STOP 5 3 V 0 0 5 V or open 1 1 13 BATT IND 14 5 V Max open 2 3 V with 300 Ω load A B 50 10 duty frequency 1 0 2 Hz or 4 0 8 Hz 14 COMPOSITE SDI Composite 5 V or open SDI GND 15 REC TALLY A B 50 10 duty frequency 1 0 2 Hz or 4 0 8 Hz 16 SPARE 17 SHIELD VTR GND 18 CAM RETURN VIDEO VS 1 V p p 1 dB 19 GND CAM RETURN VIDEO DC 0 200 mV Zo 75 Ω 5 A B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...

Страница 21: ...to 3 1 Setup Menu 5 4 3 2 1 9 8 7 6 SONY 9 pin protocol Pin No Signal 1 Frame Ground 2 Receive A 3 Transmit B 4 Transmit Common 5 Spare 6 Receive Common 7 Receive B 8 Transmit A 9 Frame Ground DC IN XLR 4 pin male External view Pin No Signal 1 GND 2 3 4 UNREG 12 V ISR Pin No Signal 1 CD Carrier Detect 2 RXD Received Data 3 TXD Transmitted Data 4 DTR Data Terminal Ready 5 GND Signal Ground 6 DSR Da...

Страница 22: ...t Cover Loosen the two screws and remove the front cover from the unit Front Panel 1 Remove the front cover 2 While lifting up the C lock arm of the cassette compartment turn the gear red in the direction of the arrow to slide the cassette compartment 10 to 20 mm Remove the two screws and the two washers through the holes mark as shown in the figure nAt this time the two washer are out from the fr...

Страница 23: ...dle front panel and battery case 2 Remove the cassette compartment Refer to Section 1 6 3 Remove the four screws and remove the left side panel from the unit 1 5 Removal Installation of Cabinet Left side panel Battery case Top panel Front cover Front panel Handle Screws B3 6 Screws B3 6 Screw B3 6 Screw B3 6 Screws B3 6 Screws B3 6 Screw B3 6 Screws B3 8 Screws B3 8 Screws B3 6 Screws B3 6 Bottom ...

Страница 24: ...dle bottom plate battery case and cassette compartment Refer to 1 5 Re moval Installation of Cabinet and 1 6 Cassette Compartment Removal Installation 2 Disconnect the connectors CN551 CN552 and CN553 on the ADA 44 board And then remove the clamper 3 Open the video boards assembly Refer to Section 8 2 1 4 Disconnect the connectors CN101 CN105 CN106 CN108 through CN110 CN112 and CN113 on the SST 3 ...

Страница 25: ...the following parts after removing a foreign matter that occurs short c The fuse should be replaced after five minutes or more when the power switch is turned off and the power code is disconnected Part No Name 1 532 749 11 Fuse Glass Tube 8 A 125 V 1 Remove the battery case Refer to 1 5 Removal Installation of Cabinet 2 Remove the defective fuse from the fuse holder and replace it with a new one ...

Страница 26: ... 0 dBu or 3 dBu using slit lands Factory setting 4 dBu Audio Channel Ref No Input level dBm 600 Ω 4 0 3 CH 1 SL102 SL105 OPEN OPEN SHORT SL103 SL106 OPEN SHORT OPEN SL104 SL107 SHORT OPEN OPEN CH 2 SL202 SL205 OPEN OPEN SHORT SL203 SL206 OPEN SHORT OPEN SL204 SL207 SHORT OPEN OPEN CH 3 SL302 SL305 OPEN OPEN SHORT SL303 SL306 OPEN SHORT OPEN SL304 SL307 SHORT OPEN OPEN CH 4 SL402 SL405 OPEN OPEN SH...

Страница 27: ...level dBm 600 Ω 4 0 3 CH 1 SL601 SHORT OPEN OPEN SL602 OPEN SHORT OPEN SL603 OPEN OPEN SHORT CH 2 SL701 SHORT OPEN OPEN SL702 OPEN SHORT OPEN SL703 OPEN OPEN SHORT CH 3 SL801 SHORT OPEN OPEN SL802 OPEN SHORT OPEN SL803 OPEN OPEN SHORT CH 4 SL901 SHORT OPEN OPEN SL902 OPEN SHORT OPEN SL903 OPEN OPEN SHORT 1 10 Switch Slit Land Settings on the Boards ...

Страница 28: ...EN OPEN SHORT REC CH 4 SL7 OPEN SHORT OPEN SL8 OPEN OPEN SHORT PB CH 1 SL201 OPEN SHORT OPEN SL202 OPEN OPEN SHORT PB CH 2 SL203 OPEN SHORT OPEN SL204 OPEN OPEN SHORT PB CH 3 SL205 OPEN SHORT OPEN SL206 OPEN OPEN SHORT PB CH 4 SL207 OPEN SHORT OPEN SL208 OPEN OPEN SHORT SL3 SL4 SL1 SL2 SL7 SL8 SL5 SL6 SL208 SL207 SL205 SL206 SL201 SL202 SL204 SL203 1 2 3 A B C D F G H J K L M N P R E ADA 44 B SIDE...

Страница 29: ...ription Factory setting S300 1 ENCODER VCO adjustment switch ON VCO adjustment OFF OFF Normal use S300 2 DECODER VCO adjustment switch ON VCO adjustment OFF OFF Normal use S300 5 4 3 2 1 A B C D E DIF 31 B SIDE 1 10 Switch Slit Land Settings on the Boards ...

Страница 30: ...0P 1 10 4 DPR 62 board Ref No Description Factory setting SL100 Factory use OPEN SL100 A B C D E F G H J 1 2 3 5 8 9 7 4 6 DPR 62 B SIDE CN201 CN202 CN203 CN204 CN212 CN213 1 10 Switch Slit Land Settings on the Boards ...

Страница 31: ... at tape path adjustment OFF ON R P envelope detect mode Turn the power off in the EQ 54 board and drum OFF Normal use S700 2 Factory use OFF S700 3 Factory use OFF S700 4 Factory use OFF S700 A B C D E F G 1 2 3 4 EQ 54 A SIDE CN301 CN303 CN302 CN304 CN906 CN907 1 10 Switch Slit Land Settings on the Boards ...

Страница 32: ...and audio input output level OFF S151 3 S151 2 S151 3 Headroom level Audio input output OFF OFF 20 dB 0 dB ON OFF 20 dB 4 dB OFF ON 18 dB 3 0 dB ON ON 16 dB 0 dB n After setting push the switch S1 on the SST 3 board S151 4 Factory use OFF S151 5 Factory use OFF S151 6 Factory use OFF S151 7 Factory use OFF S151 8 Factory use ON S501 Factory use S502 Factory use S503 Factory use OFF 1 10 Switch Sli...

Страница 33: ... 23 DVW 250 250P 1 10 7 VPR 12 board Ref No Description Factory setting SL200 Factory use OPEN 1 2 3 4 5 6 SL200 A B C D E F G H J K VPR 12 A SIDE CN209 CN210 1 10 Switch Slit Land Settings on the Boards ...

Страница 34: ...ing downward and turn the manual eject gear red fully counterclockwise while pulling the brake release lever in the direction of the arrow And then the tape is taken up in the cassette If not turn the reel motor driving gear to clockwise while pulling the brake release lever in the direction of the arrow 3 Turn the gear red of the cassette compartment in the direction of the arrow The cassette com...

Страница 35: ...justment and adjust the tracking 1 13 2 Audio Meter Contrast Adjustment When perform the audio meter contrast adjustment perform the following steps 1 Remove the screw and open the L SUB cover 2 Put the driver into the hole for LCD contrast and adjust the LCD contrast 1 14 Optional Accessories 1 14 1 Optional Accessories Soft carrying case BKDW 250 Battery BP L60 BP 90A AC Power adaptor AC 550 for...

Страница 36: ...oard check 14 J 6421 430 A Extension Harness VIDEO Board check 15 J 6421 440 A Extension Harness AUDIO 16 J 7031 460 A Torque Screwdriver s Hexagonal Bit Tightening screws across 1 27 17 2 034 697 00 Cleaning Piece Cleaning 18 7 661 018 18 Mitsubishi Diamond Machine oil Hydro Fluid Lubricating NT 68 50 ml bottle 19 7 700 736 05 L shaped Hexagonal Wrench d 1 5 mm Removal of screw 20 8 960 073 01 Al...

Страница 37: ...ent 31 J 7031 040 A Weight for S tension Adjustment W76 7 S tension operating position adjustment 32 J 7031 050 A Weight for S tension W 44 33 J 7031 260 A Master Block T2 Tape guide slant check 34 J 7031 270 A Master Block S2 35 J 7031 280 A S TEN Adjusting Table Tension regulator adjustment 36 J 7031 450 A End Sensor Positioning Tool END sensor position adjustment 37 7 651 000 10 SONY Grease SGL...

Страница 38: ...1 28 DVW 250 250P 17 18 19 20 MW 935 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 1 14 Optional Accessories ...

Страница 39: ...rscope Tektronix 1750 for NTSC 1751 for PAL or equivalent Digital Voltmeter Advantest TR6845 or equivalent Audio Level Meter Hewlett Packard HP 3400A or equivalent Audio Analyzer Tektronix AA501A OP 02 or equivalent Audio Oscillator Tektronix SG 5010 or equivalent Audio Noise Meter READER LMV 189AR or equivalent Audio Distortion Meter Tectronix AA5010 or equivalent Monitor Sony BVM 1410 or equival...

Страница 40: ......

Страница 41: ... the speed of designation in search or playback mode 08 DRUM TROUBLE It is detected that drum motor rotation is not normal 09 THREAD MOTOR TIME OUT It is detected that threading or unthreading is not completed within the pre scribed time 0A THREADING TROUBLE It is detected that threading cannot be done 10 HUMID Condensation is detected 11 TAPE TOP END SENSOR TROUBLE Tape top and end are detected a...

Страница 42: ......

Страница 43: ...OWN button Align the asterisk cursor Press the SET button 4 Setting of the ITEM Change the setting data by pressing the UP or DOWN button Press the SET button when the changing data is written 5 Exit the setup menu Press the DISPLAY button several times Section 3 Maintenance Mode MASTER LEVEL INPUT LEVEL V BLANK RM OUTPUT LEVEL LINE 12 20 for NTSC LINE 9 22 for PAL LINE 12 20 for NTSC LINE 9 22 fo...

Страница 44: ...FF no setup elimination ON Carry out setup elimination OUTPUT LEVEL Setup level of output signal 0 0 to 10 0 in 0 5 steps MST same value as master level EXIT YC SEP MODE Toggle Y C separation for each line LINE 12 to 20 for NTSC BPF Carry out Y C separation LINE 9 to 22 for PAL B W no Y C separation treat as Y signal EXIT BLANK LINE Toggle blanking for each input line LINE 12 to 20 for NTSC THRU n...

Страница 45: ...connector 0 to 10 seconds in 1 second steps POSTROLL Set the postroll time for editing using the REMOTE connector 0 to 10 seconds in 1 second steps SEARCH Select the tape speed in search operations Both forward and reverse X2 2 times normal speed X5 5 times normal speed X8 8 times normal speed P ON REC Select whether to start recording automatically at power on OFF Do not start recording ON Start ...

Страница 46: ... bank 3 EXIT ISR ISR Select whether to use REMOTE connector for ISR OFF no ISR use as Sony 9 pin protocal interface ON use as ISR interface SPEED Set data transmission speed in ISR mode 19200 9600 4800 2400 or 1200 bps EXIT TRACKING AUTO TR Select whether to carry out auto tracking OFF no auto tracking ONE auto tracking once when tape is loaded ON continual auto tracking AUTO EQ Select whether to ...

Страница 47: ...G menu 2 Selection of PAGE Select the PAGE by pressing the UP or DOWN button Align the asterisk cursor Press the SET button Repeat selection of PAGE until the ITEM is found 3 Selection of ITEM Select the ITEM by pressing the UP or DOWN button Align the asterisk cursor Press the SET button Blinking the setting data 4 Setting of the ITEM Change the setting data by pressing the UP or DOWN button Pres...

Страница 48: ... VR1 VPR VR2 VPR VR3 A Ech B Fch C Gch D Hch AUTO ADJUST NV RAM SERVO CHECK ADJUST NVRAM PATH HOURS METER BATTERY VERSION CHAR TEST REF FLD REF SCH INT 4FSC Y LEVEL R Y LEVEL B Y LEVEL Y PHASE Y R Y DELAY Y B Y DELAY VIDEO IN VIDEO OUT AMP PHS REC LOAD SAVE INPUT CHECK TENSION PLUNGER MOTOR SENSOR 1 PINCH ROLLOR S REEL BRAKE T REEL BRAKE C ROLLER CASS COMP THREADING S REEL T REEL CAPSTAN DRUM NVRA...

Страница 49: ...reen TYPE A Set the character type superimposed to output signal from the VIDEO OUT 2 connector A White letters with black background B White letters with black outline EXIT PROC1 SYSTEM EE OFF Select the bypass mode of digital signal for check OFF Normal operation mode EE1 SYSTEM EE 1 mode EE2 SYSTEM EE 2 mode VIDEO TEST OFF Select the output of the internal video test signal The video test is no...

Страница 50: ...ent Y R Y Y B Y DELAY Skew Adjustment Y B Y EXIT VPR VR3 Use VPR 12 board adjustment Refer to 9 7 VIDEO Adjustment 2 VIDEO IN 80 Input Video Level Adjustment VIDEO OUT 80 Output Video Level Adjustment EXIT A Ech Use RF A Ech adjustment Refer to 9 5 RF Adjustment CH CONDITION Check the channel condition of A Ech Adjust that only leftmost square on the LCD lights up AMP PHS REC Adjustment data of A ...

Страница 51: ...ensor is set to ON Push the STOP button Pinch rollor returns to the former position S BRAKE Check the operation of the S reel brake Push the F FWD button S reel brake activates Push the STOP button S reel brake returns to the former condition T BRAKE Check the operation of the T reel brake Push the F FWD button T reel brake activates Push the STOP button T reel brake returns to the former conditio...

Страница 52: ...ise Decrease in the hexadecimal digit Push the STOP button Motor stops xxxx hexadecimal digit CAPSTAN Check the operation of the capstan motor Push the F FWD button Motor rotates clockwise Increase in the hexadecimal digit Push the REW button Motor rotates counterclockwise Decrease in the hexadecimal digit Push the STOP button Motor stops xxxx hexadecimal digit DRUM Check the operation of the drum...

Страница 53: ...ignals A2 A C E Gch 8 MHz B D F Hch No signals A3 A C E Gch 16 MHz B D F Hch No signals B0 A C E Gch No signals B D F Hch 2 MHz B1 A C E Gch No signals B D F Hch 4 MHz B2 A C E Gch No signals B D F Hch 8 MHz B3 A C E Gch No signals B D F Hch 16 MHz C0 A B C D E F G Hch 2 MHz C1 A B C D E F G Hch 4 MHz C2 A B C D E F G Hch 8 MHz C3 A B C D E F G Hch 16 MHz D0 A Ech 2 MHz B C D F G Hch No signals D1...

Страница 54: ...TST X FLAGS X STATUS X CMDERR O MSG O Response Support ATN OPC O ATN CMDERR O ATN QRESP O Common Command Option Command Support UPLOAD TYPE O PIPE TYPE X ADDSEL ADDSUB SW X ATN X ATN PIPE TYPE X Sony Private Command Command Support SETUP X SETUP X SETUP X HRS O HELP TST X RDLOG TYPE D X CLRLOG TYPE X HELP LOG X DEVID device id O LDSW TYPE data X CHCOND X CHCOND ALRDY X RMCTL TYPE X DOWNLOAD O Exam...

Страница 55: ...r on the DPR 62 board and the audio data is sent to the audio processor on the DPR 62 board One of the three video input signals digital video data described above is selected by the TBC buffer on the DPR 62 board For the video data output from the TBC buffer the setup is eliminated and the VITC is added After that the video data is compressed to a rate of 1 2 by a bit rate reduction ECC encoder a...

Страница 56: ...site video signal and SDI video signal and the audio output signal consists of an analog audio signal and SDI audio signal The monitor output signal consists of a composite video signal and analog audio signal and is sent to the camera and RFU as well as headphones and an earphone System Control and Servo Systems The system control system operates the front panel and receives the command from the ...

Страница 57: ... switching regulator system is used as the converter system An overcurrent protection circuit that cuts off the output of the voltage when an output pin was short circuited is provided A circuit that cuts off the output voltage when an input voltage became less than the guaranteed operating voltage is provided Power is partially supplied to the SST 3 and CP 260 boards even if the power switch is t...

Страница 58: ...UDIO DATA AUDIO DATA PROCESSOR DELAY MEMORY DATA SELECT VITC SEL EE PB SEL AD CH1 2 SEL AD CH3 4 SEL SYS PARTIAL OFF DIGI MUTE AUDIO MUTE AP5 MUTE DIGI FIL MUTE DATA SELECT AUDIO MUTE DETECT A D CH 1 CH 2 DATA DIGITAL FILTER DIGITAL AUDIO LIMITER A D CH 3 CH 4 DATA AUDIO REC CH1 RV1001 VR 206 AUDIO REC CH2 RV1002 VR 206 AUDIO REC CH3 RV1003 VR 206 AUDIO REC CH4 RV1004 VR 206 VR 194 DIF 31 LPF LPF ...

Страница 59: ...P803 TP402 2T DELAY PB D H TP400 LPF OUT LV800 TP805 TO SST 3 REC EQ AMP PLL A D CONV RV360 PLL RV300 PHASE RV301 TVF RV201 TVF RV101 TVF TP302 2T DELAY PB C G TP300 LPF OUT PLL A D CONV TIMING GEN PB EQ AMP POWER CONTROL REC VCC RP VEE DRIVER CUE BIAS AMP PB EQ PB EQ RV260 PLL RV200 PHASE TP202 2T DELAY PB B F TP400 LPF OUT PLL A D CONV RV160 PLL RV100 PHASE TP105 PBCK A E TP205 PBCK B F TP305 PB...

Страница 60: ...T STOP RV402 TP401 REC DRIVE AMP 5V LTC EE DELAY 5V PB PB EE EPROM 2Kx16bit SRAM 1Kbit EEPROM 16Kbit SRAM PIO SYSTEM CONTROL CPU A D CONV RS 422 I F RS 232C I F TP113 N NTSC TP116 LTC INT TP112 FRAME REF TP2 TEST3 TP3 TIMER2 TP1 TIMER 1 CASSETTE COMPARTMENT MOTOR DRIVER PIO SERVO DATA SERIAL I F TO DPR 62 ATT ALARM TONE TO CP 260 H1003 TC HEAD CN1006 TC IN CN1005 TC OUT CON 18 CHARA SIG TO VPR 12 ...

Страница 61: ...ET S REEL MOTOR DRIVER T REEL MOTOR DRIVER T REEL FG DET TO DPR 62 TO EQ 54 TO CP 260 ERASE ON OFF CUE TC ERASE OSC FULL ERASE OSC TP502 SHAPER TP503 TP941 TO FROM DPR 62 16Kbit SRAM 16Kbit SRAM CLOCK GEN ADDRESS DECODE RF BLOCK I F METRIC PULSE FROM EQ 54 TO EQ 54 EQ STB CAMERA EXT DC SW F1 1 2 3 4 CAMERA 12V CN1013 EXT DC OUT POWER SUPPLY LCD2 CONTROL LED CONTROL KEY DATA LCD CONTROL KT 315 AUDI...

Страница 62: ......

Страница 63: ...t to damage the parts and not to apply an excessive force during cleaning Do not touch the greased portions during cleaning If grease attaches to a cleaning cloth replace the cleaning cloth by new one If the cleaning cloth smeared with grease used grease may attach to the places where it should not Do not insert a cassette tape before cleaning fluid completely evaporates 3 Preparations 1 Turn the ...

Страница 64: ...luid slightly against the video heads and rotate the upper drum slowly counterclockwise 2 Press a cleaning cloth moistened with cleaning fluid slightly against the tape running surface of the upper drum shaded portion as shown in the figure n Be sure to rotate the upper drum counterclockwise Be sure to clean the rotary heads along the circumference Do not clean the video heads in the vertical dire...

Страница 65: ...d remove magnetic powder as shown in the figure m a Do not use a metallic skewer instead of a skewer This may damage the tape running surface b If the magnetic powder attached to the drum lead surface tracking may badly influence Remove the magnetic powder completely 2 Clean the tape running surface of the lower drum and lead surface shaded portion using a cleaning cloth moistened with cleaning fl...

Страница 66: ...he FE CTL and CUE TC heads in the vertical direction using a cleaning cloth moistened with cleaning fluid m If the magnetic powder attached to the head gap portions of the FE CTL and CUE TC heads an error may occur when the recording or playback Remove the magnetic powder completely 2 After cleaning be sure to wipe the tape running surfaces of the FE CTL and CUE TC heads using a dry cleaning cloth...

Страница 67: ...ator guide T1 guide T2 guide T3 guide T4 guide capstan and pinch roller CAUTION Never touch the edge portion of the tape cleaner by bare hands It is danger of cutting your finger because the tape cleaner has a sharp edge 2 Clean the gap of the tape cleaner that cloggs with the magnetic powder using a paper or equivalent 3 After cleaning be sure to clean the tape running surfaces of the above guide...

Страница 68: ...the HOURS METER 2 menu 5 Press the DIAG button using the clip lead or similar object so that exit the DIAG menu 2 Contents of display HOURS METER 1 POWER ON 000000H DRUM ROTATE 000000H SET KEY NEXT HOURS METER 2 TAPE TRAVEL 000000H TAPE THREAD 000000TIMES SET KEY EXIT 5 2 2 Periodic Check List The replacement time which show in the following list are not the guarantee term parts Use this list as g...

Страница 69: ... 15 S TEN roller guide R R R R R R S TEN roller assy X 3678 389 16 Reel motor S T R R Motor R432276751A 8 835 441 2pcs 17 S T threading rail Replacement every 10 000 times of threading S rail 3 691 360 T rail 3 691 344 18 Drawing arm S T Replacement every 10 000 times of threading S arm assy A 8269 452 T arm assy A 8279 109 19 Intermittent gear Replacement every 10 000 times of threading Intermitt...

Страница 70: ...deo heads upper and lower drums and stationary heads 3 Clean the tape running surfaces tape guides capstan shaft and pinch roller 4 Clean the connectors on the connector panel 5 Carry out the common operation check recording or playback and check that the unit has not an abnormal sound or operation If the unit has an abnormal condition please contact your Sony service organization 5 3 Cares After ...

Страница 71: ...with bare hands It is danger of cutting your finger because the tape cleaner has a sharp edge 2 Tool Before using a tool be sure to clean its surface Cleaning piece 2 034 697 00 Cleaning fluid 9 919 573 01 Pay careful attention to do not damage the tool If the tool is damaged the adjustment can not correctly carry out Tape cleaner Section 6 Replacement of Mechanical Parts ...

Страница 72: ...figure 1 To enter the threading end mode with a tape Insert a cassette tape into the cassette compartment Close the front lid 2 To enter the threading end mode without a tape n When no cassette is in the cassette compartment do not turn the red gear on the left of the cassette compartment Turn the power off Remove the top panel During pushing the T reel brake release lever turn the manual eject ge...

Страница 73: ...tton 2 To enter the unthreading end mode manually Turn the power off While keep pushing the brake release lever toward you and turn the manual eject gear counterclockwise as far as it will go while pushing it downward Turn the red gear on the left of the cassette compartment toward the battery case and put the cassette compartment into the up state n When no cassette is in the cassette compartment...

Страница 74: ...T Reel Brake Solenoid Replacement 8 Pinch solenoid 6 10 Pinch Solenoid Assembly Replacement 9 CUE TC head 6 17 Audio TC Head Replacement 10 CUE brush 6 9 Cue Brush Replacement 11 Gear block 6 18 Threading Motor Replacement 12 Capstan motor 6 15 Capstan Motor Replacement 13 Driving belt 6 6 Driving Belt Replacement 14 Pinch roller arm assembly 6 7 Pinch Roller Arm Assembly Replacement 15 Battery 6 ...

Страница 75: ...size of screws When removing or attaching the screw may fall in the unit To prevent this it is recommended to magnetize the screwdriver bit 2 Stop washers Never re use the pre used stop washers When attaching the part be sure to use a new stop washer Stop washer 3 321 393 01 Stop washer 3 669 465 01 Stop washer 3 726 829 01 Stop washer removal 1 Remove the stop washer using a pair of tweezers or a...

Страница 76: ...wing oil and grease Oil 7 661 018 18 Grease SGL 601 7 651 000 10 Grease SGL 801 7 651 000 11 A drop of oil defines as follows About the amount will adhere to the end of a stick 2 mm in diameter as shown in the figure Smear grease onto the surface of the park like a thin film Apart from the relevant areas never use the oil and grease If grease smeared apart from the relevant areas be sure to wipe u...

Страница 77: ... in the position of L cassette 2 S cassette position It means that the reel tables are in the position of S cassette Driving racks SE 233 board S reel table T reel table Slide link Driving racks SE 233 board S reel table T reel table Slide link 6 1 General Information for Mechanical Part Replacement ...

Страница 78: ...ssette position and intermediate position between L and S cassette positions Turn an idle gear as shown in the figure until the reel table assemblies shift to the desired position and driving rack lock n If a cassette tape is inserted the reel tables can not be shifted Driving racks SE 233 board S reel table T reel table Slide link A portion Driving racks S reel table S cassette portion L cassette...

Страница 79: ...ll be automatically adjusted Therefore the adjust ment after replacement is not required Never clean on the surface of the brush using a cleaning piece moistened with cleaning fluid Preparations 1 Turn off the power 2 Remove the top panel Refer to 1 5 Removal Installation of Cabinet n The brush assembly can replace when the cassette compartment attaches to the unit Tools Torque screwdriver bit for...

Страница 80: ...he brush board Installation 3 Brush assembly installation 1 Connect the connector to the brush board 2 Temporarily attach the brush assembly to the brush support with the screw shown in the figure n Never touch the brush 3 Move the brush base arrow A while press ing down the brush base above the brush support and temporarily attach the brush assembly using the other screw 4 While pushing the brush...

Страница 81: ...o 4 completed the height of the brush and contact pressure against the slip ring will automatically adjust 6 Connect the connector CN913 on the MB 601 board 4 Brush cover installation Align the hole of the brush cover with the shaft of the slip ring and tighten the brush cover with two screws n Do not load to the brush Brush Slip ring ...

Страница 82: ...ent is not required Never clean on the surface of the slip ring assembly using a cleaning piece moist ened with cleaning fluid Preparations 1 Turn off the power 2 Remove the top panel Refer to 1 5 Removal Installation of Cabinet n The brush assembly can replace when the cassette compartment attaches to the unit Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400...

Страница 83: ...ssembly n Hold the black portion of the slip ring assembly during installation Never touch the slip ring 2 Attach the slip ring assembly using the two screws Tightening torque 19 10 2 N m 1 9 kgf cm 3 Solder the three leads of the slip ring assem bly to the UDR 9 board of the upper drum assembly Red lead RED pattern Blue lead BLUE pattern Black lead BLK pattern 5 Brush assembly installation Instal...

Страница 84: ...er installation Cleaning of video heads and tape running surfaces Adjustment after replacement Tape path adjustment Servo system adjustment RF system adjustment Note If the rotary heads worn out or broke replace the upper drum assembly The head chip cannot replace Basic information Apart from the periodic replacement time the upper drum assembly needs to replace in the following case If a correct ...

Страница 85: ...drum assembly attaches to the flange tighten the screws to the following tightening torque First 9 8 10 2 N m 1 kgf cm Second 24 5 10 2 N m 2 5 kgf cm To tighten the screws to the above tightening torque set the torque to 9 8 10 2 N m 1 kgf cm after attaching the hexagon bit to the torque screwdriver 2 Assemble the upper drum eccentricity gauges as shown in the figure before use Removal 1 Brush co...

Страница 86: ...moval 1 Put an L wrench into the holes of the upper drum assembly and remove the four screws 2 Lift just above and remove the upper drum assembly m Be careful not to damage the upper edge of the lower drum after the upper drum assembly is removed Remove the screws from the removed upper drum assembly using a pair of tweezers Upper drum Screw holes Screw holes Upper drum UDR 9 board Leads red blue ...

Страница 87: ...assembly installation 1 Hold the no video head portions of a new upper drum assembly Align the notch of the center hole on the UDR 9 board with the hole on the DR 261 board 2 Move the upper drum assembly in the direction of the flange without tilting it slowly and connect a 6 pin connector plug to the connector on the LDR 8 board of the flange n Take care not to touch the video heads against the b...

Страница 88: ...leaning fluid m If the prove were dirty upper drum may scratch during adjustment If the prove were made of metal it recom mends that the lubricated protective tape puts on the prove to prevent from the scratching 2 Attach the gauge shown in the figure and adjust so that the probe is positioned between the bottom two grooves of the five which locate on the outside of the upper drum assembly n Take ...

Страница 89: ...ation is 1 2 between the maximum and minimum values n If the indicated deflection did not move when pressing the upper drum assembly by finger loosen the four screws that secure the upper drum assembly If the indicated deflection easily moved when pressing tighten the screws a little 2 Set the torque screwdriver to 9 8 10 2 N m 1 kgf cm Put the torque screwdriver in the four holes on the board of ...

Страница 90: ...sh cover Refer to 6 2 Brush Replacement 13 Cleaning of video heads and tape running surfaces Clean the following area using a cleaning cloth moistened with cleaning fluid Video heads Refer to 5 1 Cleaning Tape running surface of the upper drum Refer to 5 1 Cleaning Tape running surface and lead of the lower drum Refer to 5 1 Cleaning n After cleaning be sure to wipe the relevant area using a dry c...

Страница 91: ... assembly Basic information Apart from the periodic replacement time the drum assembly needs to replace in the following cases If the drum assembly could not use because the tape running surface of the upper or lower drum scratched If a correct RF waveform did not obtain after the tracking adjustment due to wear out on the upper or lower drum If the specification of the VTR such as jitter or noise...

Страница 92: ... cleaner assembly removal 1 Put the unit into the unthreading end mode 2 Disconnect connector CN960 video head cleaner solenoid on the MB 601 board 3 Remove one screw then remove the video head cleaner assembly CN960 Screw PSW2 5 MB 601 board Video head cleaner assembly ...

Страница 93: ...onnected to the brush board 3 Disconnect the three connectors CN1 CN2 and CN3 connected to the board at the bottom of the drum The drum assembly can then be removed n When removing the drum assembly be careful not to damage the CTL head CUE TC head and peripheral tape guides Screw PS2 5 Screw PS2 5 Screw PS2 5 Drum assembly CN2 CN3 CN1 6 5 Drum Assembly Replacement ...

Страница 94: ...Assembly Replacement Installation 3 Cleaning of contact surfaces Clean the contact surfaces of a new drum assem bly and chassis using a cleaning cloth moistened with cleaning fluid Cleaning Cleaning Positioning pins Drum assembly ...

Страница 95: ...ides Do not touch the brush 2 Connect the harness connector to the brush board 3 Put the two positioning pins of the chassis to the holes of the drum assembly then attach 4 Move the drum assembly a little and check that it is securely inserted in the positioning pins 5 Tighten the three screws Tightening torque 19 10 2 N m 1 9 kgf cm 6 Check that the brush correctly touches against the grooves of ...

Страница 96: ... running surfaces Clean the following area using a cleaning cloth moistened with cleaning fluid Video heads Refer to 5 1 Cleaning Tape running surface of the upper drum Refer to 5 1 Cleaning Tape running surface and lead of the lower drum Refer to 5 1 Cleaning n After cleaning be sure to wipe the relevant area using a dry cleaning cloth Adjustments after replacement 7 Video head cleaner assembly p...

Страница 97: ...arations 1 Put the unit into the unthreading end mode 2 Turn off the power Tools Cleaning piece 2 034 697 00 Cleaning fluid 9 919 573 01 Removal 1 Driving belt removal 1 Remove the bottom plate Refer to 1 5 Removal Installation of Cabinet 2 Open the DPR 62 and SST 3 boards Refer to Section 8 2 1 and 8 3 3 Remove the rubber ring attached to the boss in the center of the chassis then remove the insu...

Страница 98: ... driving belt so that it does not come off from the motor pulley 3 Rotate the relay pulley by hand two or three turns while releasing the brake arm with fingers and check that the driving belt is put in the center of the motor pulley and Midway pulley 4 Closing the back side of chassis 1 Insert the center hole of the insulating plate to the boss of the chassis and fix it using the rubber ring Chec...

Страница 99: ...ng check Note If the pinch roller worn out replace the pinch roller arm assembly Preparations 1 Put the unit in the unthreading end mode 2 Turn off the power 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet Reference The pinch roller arm assembly can replace with the cassette compartment attaches to the unit n When replacing prepare a new stop washer P N 3 726 829 01 Tools Stop ...

Страница 100: ...with cleaning fluid 3 Pinch roller arm assembly installation 1 Pass a new pinch roller arm assembly through the fixing shaft and put the return spring as shown in the figure 2 Attach the pinch roller arm assembly using a new stop washer while holding the T drawing arm with fingers 4 Operation check Check that the pinchroller arm assembly smooth ly returns when pushing the pinch roller arm assembly...

Страница 101: ...sembly CTL head and peripheral tape guides Preparations 1 Put the unit in the unthreading end mode 2 Turn off the power 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet n When replacing prepare a new CR cap P N 3 615 320 01 Removal 1 Video head cleaner assembly removal 1 Disconnect connector CN960 video head cleaner on the MB 601 board 2 Remove one screw and the video head clean...

Страница 102: ...he tip of the shaft is dented from the CR cap surface by 0 3 mm Do not stress excessive to the cleaner arm at pushing the CR cap Be careful not to touch the white felt portion of the AHC roller assembly as far as possible Never apply oil to the white paper portion of the AHC roller assembly 3 Video head cleaner assembly installation 1 Temporarily attach the video head cleaner assembly with one scr...

Страница 103: ...he pin and bracket meets the specification when the iron core of the solenoid is pushed with fingers to energized state 2 Check that the specification is met again 5 Operation check Push the iron core of the video head cleaner assembly solenoid with fingers to energized state Check that the AHC roller assembly touches the drum video head portion shown in the figure Video head cleaner assembly Scre...

Страница 104: ... brush removal Remove the stop washer at the top of the cleaner arm and the cue brush Installation 2 Cue brush installation 1 Insert a new cue brush into the cleaner arm shaft and put the hole at the bottom of the cue brush securely in the hook of the cleaner arm 2 Attach the cue brush using a new stop washer while holding the cue lever with fingers 3 Operation check Check that the cue brush moves...

Страница 105: ...4 Remove the cassette compartment Refer to Section 1 6 Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Wire clearance gauge J 6152 450 A Removal 1 Pinch solenoid assembly removal 1 Disconnect the connectors CN951 reel motor and CN953 pinch solenoid on the MB 601 board 2 Remove the two screws of the pinch solenoid assembly 3 Loosen the harness clamper 4 Tur...

Страница 106: ...n adjustment 1 Put the unit into the threading end mode by turning the manual eject gear 2 Check that the clearance shown in the figure meets the specification when the upper portion of the parallel pin is pushed using a 2 mm flatblade screwdriver so that the iron core of the pinch solenoid is put into the energized state If not perform the following steps 3 Loosen the two screws fixing the pinch ...

Страница 107: ...sion regulator roller S5 replacement Tape guide height check Adjustment after replacement Tape running rough adjustment Tape path adjustment Preparations 1 Put the unit into the unthreading end mode 2 Turn off the power Tools Tape guide adjustment screwdriver J 6321 500 A Cleaning piece 2 034 697 00 Cleaning fluid 9 919 573 01 ...

Страница 108: ... remove it 3 Remove the tension regulator roller and remove two pieces of roller Cs simultaneous ly 4 Install the roller C a new tension regulator roller and another roller C sequentially in the tape guide shaft 5 Turn the setscrew of the upper flange re moved in step 2 clockwise by 180 degrees Turn same degrees in the opposite direction in step 1 6 Turn the upper flange clockwise as far as it wil...

Страница 109: ...e is then pulled out from the cassette tape and threaded to the tension regulator roller 4 Check that the tape is threaded without curling on the upper and lower flanges of the tension regulator roller If the tape curls adjust according to the following procedures a Loosen the setscrew of the upper flange b Turn the upper flange and eliminate the tape curl c Tighten the setscrew 5 Push the manual ...

Страница 110: ...e tension regulator roller If the tape curls adjust according to the following procedures a Put the unit into the STOP mode b Loosen the setscrew of the upper flange c Turn the upper flange and eliminate the tape curl Tape curls on the lower flange turn clockwise Tape curls on the upper flange turn counterclockwise d Tighten the setscrew e Put the unit into the PLAY mode and check that the tape ru...

Страница 111: ...osing the back side of chassis Connection of connectors Preparations 1 Put the unit into the unthreading end mode 2 Turn off the power 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Thickness gauge 9 911 053 00 Cleaning piece 2 034 697 00 Cleaning fluid 9 919 573 01 Removal 1 Disconnectio...

Страница 112: ...id replacement 1 Remove the two screws and brake leaf spring 2 Remove the two screws on the opposite side and remove the solenoid from the brake base 3 Put the shaft of the brake arm in the groove of the iron core of a new solenoid and temporarily attach the solenoid to the center of the longitudinal holes of the brake base using two screws 4 Attach the brake leaf spring using two screws S reel mo...

Страница 113: ...with fingers to energized state If not repeat steps 1 and 2 5 Locking compound applying Apply locking compound slightly to the four screws tightened in steps 3 and 4 6 Opening the back side of chassis 1 Remove the bottom plate Refer to 1 5 Removal Installation of Cabinet 2 Open the DPR 62 and SST 3 boards Refer to Section 8 2 1 and 8 3 3 Remove the rubber ring attached to the boss in the center of...

Страница 114: ...ay pulley by hand two or three turns while releasing the brake arm with finger and check that the driving belt is put in the center of the motor pulley and midway pulley 9 Closing the back side of chassis 1 Insert the center hole of the insulating plate to the boss of the chassis and fix it using a rubber ring Check that each lever and pin are put into each hole of the insulating plate 2 Attach th...

Страница 115: ...sing the back side of chassis Pinch solenoid assembly installation Manual eject assembly installation Pinch solenoid assembly position adjustment Connection of connectors Manual eject assembly position adjustment Adjustment after replacement Tape path adjustment Preparations 1 Put the unit into the unthreading end mode 2 Turn the power off 3 Remove the top panel Refer to 1 5 Removal Installation o...

Страница 116: ...ssembly CN943 T reel motor CN953 Pinch solenoid CN947 TC head CN949 TC CUE erase head CN942 T brake solenoid 2 Manual eject assembly removal 1 Remove one screw and lift above the manual eject assembly 2 Disconnect the connector CN1 on the DET 15 board of the manual eject assembly CN949 CN946 CN947 CN942 CN953 Right part of MB 601 board CN943 Manual eject assembly Screw ...

Страница 117: ...pinch solenoid assembly 2 Turn the gear at the top of the threading motor clockwise with fingers until the cue brush touches the CUE TC head 3 Remove the pinch solenoid assembly from the chassis while moving it toward the MB 601 board Screw Screw Pinch solenoid part ill6 08 01 04 CUE Brush CUE TC head Gear Threading motor ...

Страница 118: ... the back side of the chassis is came off together and it is left on the back side of the chassis Installation 5 T reel brake solenoid replacement 1 Remove the two screws shown in the figure then remove the brake leaf spring and brake release lever assembly Screw Screw T reel motor 6 13 T Reel Brake Solenoid Replacement Screws Brake leaf spring Brake release plate ...

Страница 119: ...in the energized direction and put a thickness gauge 2 5 mm thick between the top of the iron core and brake base shown in the figure 2 Push the solenoid temporarily attached in step 3 of 5 to the motor side while main taining the state in step 1 and tighten the two screws 3 Pull out the thickness gauge 4 Check that the clearance between the iron core and brake base meets the specification when th...

Страница 120: ... rubber ring attached to the boss in the center of the chassis then remove the insulating plate 4 Remove the driving belt left in step 4 10 Cleaning Clean the following portions using a cleaning piece moistened with cleaning fluid T reel motor pulley Surface of the brake arm which touches the belt Driving belt Midway pulley 11 T reel motor assembly installation 1 Put the driving belt its white mar...

Страница 121: ...mbly Refer to Section 6 10 14 Manual eject assembly installation 1 Connect the harness connector to CN1 on the DET 15 board of the manual eject assembly 2 Pass the hole of the manual eject assembly through the T reel motor shaft and engage the black gear on the manual eject assembly with the gears of the threading motor and T reel motor 3 Attach the manual eject assembly using one screw 15 Pinch s...

Страница 122: ...ing motor gear as shown in the figure and push the manual eject gear toward the motor gear 3 Tighten the screw through the hole of the manual eject gear while maintaining the state in step 2 The position of the manual eject assembly is then adjusted 4 Pull out the wire clearance gauge Adjustment after replacement 18 Tape path adjustment Refer to Section 7 1 1 Wire clearance gauge Motor gear Gear b...

Страница 123: ...Put the unit in the unthreading end mode 2 Turn off the power 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet Removal 1 Video head cleaner assembly removal Remove the video head cleaner assembly Refer to Section 6 8 Installation 2 Cleaner solenoid replacement 1 Remove the two screws at the back of the video head cleaner assembly and remove the solenoid 2 Remove the rubber ring ...

Страница 124: ...ly installation Attach the video head cleaner assembly Refer to Section 6 8 4 Video head cleaner assembly position adjustment Adjust the position of the video head cleaner assembly Refer to Section 6 8 5 Operation check Check that the video head cleaner operates normally Refer to Section 6 8 ...

Страница 125: ...nthreading end mode 2 Turn off the power 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet 4 Remove the cassette compartment Refer to Section 1 6 5 Remove the bottom plate Refer to 1 5 Removal Installation of Cabinet Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Removal 1 Mode sett...

Страница 126: ...r of the chassis and open the front panel side of the insulating plate 3 Capstan motor removal 1 Disconnect the connector connected to the capstan motor at the back of the unit 2 Remove the three screws from the top of the chassis while holding the capstan motor with hand and remove the capstan motor from the back side of the chassis n Be careful not to fall the capstan motor Connector Capstan mot...

Страница 127: ...hole of the insulating plate to the capstan motor board n Do not forget to connect connector 5 Closing the back side of chassis 1 Insert the center hole of the insulating plate to the boss of the chassis and fix it using the rubber ring Check that each lever and pin are put into each hole of the insulating plate 2 Attach the DPR 62 and SST 3 boards Refer to Section 8 2 4 and 8 3 6 Cleaning Clean t...

Страница 128: ...ape path adjustment Caution Never touch the tape cleaner with bare hands It is danger of cutting your finger because the tape cleaner has a sharp edge Preparations 1 Put the unit into the unthreading end mode 2 Turn off the power 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Cleaning clo...

Страница 129: ...o connectors CN955 CTL head and CN956 full erase head on the MB 601 board 2 Remove the two screws and the entrance head assembly n Take care not touch screwdriver against the video head drum erase head tape guide and other parts MB 601 board CN955 CN956 Screw PSW 2 5 Entrance heads assembly Screw PSW 2 5 ...

Страница 130: ...ted circuit board of the CTL head n Never mistake the soldering positions If not the serious tape interchangeability trouble will occur 3 Entrance head assembly installation 1 Put the two bosses of the chassis in the two reference guide holes of the entrance head assembly and tighten the two screws 2 Connect the two harness connectors of the entrance head assembly to the connectors CN955 and CN956...

Страница 131: ...ape cleaner and tape guides using a cleaning cloth moistened with cleaning fluid n After cleaning be sure to wipe the relevant area using a dry cleaning cloth Never touch the tape cleaner with bare hands during the tape cleaner cleaning Adjustment after replacement 5 Tape path adjustment Refer to Section 7 1 1 ...

Страница 132: ...djustment Head cleaning Adjustment after replacement Tape running adjustment Video tracking adjustment CUE TC head height adjustment CTL head position adjustment PG phase adjustment CUE TC head position adjustment Audio adjustment c When replacing never tighten or loosen other screws except the relevant screws described in the following steps If tightening or loosening the azimuth and zenith of th...

Страница 133: ...4 J 6325 110 A Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Removal 1 Pinch solenoid assembly removal Remove the pinch solenoid assembly Refer to Section 6 10 2 Open the EQ 54 board Open the EQ 54 board Refer to Section 8 6 3 Disconnection of connectors 1 Disconnect connector CN304 cue head on the EQ 54 ...

Страница 134: ...manual eject gear counterclockwise and put the unit into the unthreading end mode 2 Remove the four screws shown in the figure and remove the exit head assembly from the unit n Take care not to scratch the drum and other parts Hole Screws Screws Pin CUE brush CUE TC head CUE link assembly ...

Страница 135: ...printed circuit board of the CUE TC head and solder them to a new head n Never mistake the soldering positions 4 After putting the CUE TC head in the shielding case assemble the parts in the sequence shown in the figure and tighten the with two screws 5 Arrange the leads and fix them using a harness clamper 6 Put the bottom of the harness holder into the groove of the base shown in the figure and ...

Страница 136: ...to be installed 3 Attach the exit head assembly using four screws n Be careful not to damage the drum during exit head assembly installation 7 Operation check Turn the manual eject gear clockwise and check that the cue brush CUE TC head and pinch lever operate smoothly 8 Connection of connectors Connect the harness connectors to the following connectors on the MB 601 board CN931 Ground plug CN932 ...

Страница 137: ...on adjustment Adjust the position of the pinch solenoid assem bly Refer to Section 6 10 12 Head cleaning Clean the CUE TC head using a cleaning cloth moistened with cleaning fluid n After cleaning be sure to wipe the CUE TC head using a dry cleaning cloth Adjustment after replacement 13 Tape path adjustment Refer to Section 7 1 1 14 Audio system adjustment Refer to Section 9 4 ...

Страница 138: ...el Refer to 1 5 Removal Installation of Cabinet 4 Remove the cassette compartment Refer to Section 1 6 n Two types of pinion gears are press fitted in the threading motor shaft When replacing prepare new pinion gears P N 3 679 748 01 and P N 3 680 988 01 Never reuse the two pinion gears Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Wire clearance gauge J...

Страница 139: ...or CN946 threading motor on the MB 601 board 2 Remove the spring attached at the top of the gear block assembly The other hook of the spring remains to the pinch lever 3 Remove the three screws and the gear block assembly Screw Gear block Shaft of ST driving gear Screws Remove the spring CN946 MB 601 board ...

Страница 140: ...otor Press a new pinion gear B P N 3 680 988 01 to the shaft on the terminal side Press a new pinion gear P N 3 679 748 01 in the other side of the shaft so that the tip of the shaft is the same as the surface of the pinion gear 3 Attach the threading motor in the gear block assembly using the two screws Threading motor Screw Gear block Screw Threading motor Pinion gear Pinion B Wiring side Be flu...

Страница 141: ...tach the lid opener assembly using the two screws 2 Connect the harness connector of the lid opener assembly to connector CN944 on the MB 601 board 7 Manual eject assembly installation Attach the manual eject assembly Refer to 6 13 T Reel Brake Solenoid Replacement 8 Manual eject assembly position adjustment Adjust the position of the manual eject assembly Refer to 6 13 T Reel Brake Solenoid Repla...

Страница 142: ...ove the bottom plate Refer to 1 5 Removal Installation of Cabinet Removal 1 Opening the back side of chassis 1 Disconnect the connectors CN209 and CN210 on the VPR 12 board 2 Remove the DPR 62 board Refer to Section 8 2 4 3 Disconnect all the connectors on the SST 3 board 4 Open the SST 3 board Installation 2 Battery replacement 1 Remove the fastener fixing the battery using nippers 2 Desolder the...

Страница 143: ...ose the SST 3 board Refer to Section 8 3 2 Connect the harness connectors disconnected in step 1 to the SST 3 board 3 Close the DPR 62 board 4 Connect the harness connectors to the connectors CN209 and CN210 on the VPR 12 board 5 Close the back side of the chassis Battery SST 3 board ...

Страница 144: ...oval 1 Disconnection of connector on CS 25 board 1 Remove one screw and remove the CS 25 board from the cassette compartment 2 Clutch the hook of the harness clamper using a pair of pliers and remove it from the board 3 Disconnect the connector connected to the CS 25 board 2 Disconnection of connector on CS 26 board 1 Unhold the harness clamper shown in the figure and cancel the holding of the har...

Страница 145: ...ulling it gently toward the opposite side of the motor 3 Connect the harness connector to the connec tor on the CS 25 board 4 Fix the harness securely to the board using the harness clamper removed in step 1 while removing the harness slacking 4 CS 25 board installation Attach the CS 25 board on the cassette compart ment 6 20 Cassette Compartment Harness Replacement CS 25 board Screw CS 26 board C...

Страница 146: ...placement Servo system adjustment Preparation 1 Put the unit into the unthreading end state 2 Turn the power off 3 Remove the upper panel Refer to section 1 5 4 Remove the cassette compartment Refer to section 1 6 Tools Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Thickness gauge 9 911 053 00 Removal 1 Connector disconnection Disconnect the two connectors CN9...

Страница 147: ... left on the back side of the chassis Installation 3 S reel motor assy replacement 1 Loosen one setscrew and remove the motor pulley 2 Remove the three screws then remove the S reel motor from the brake base 3 Install a new reel motor in the brake base with three screws 4 Pass the motor pulley removed in step 1 through the reel motor shaft in the direction shown in the figure 6 21 S Reel Motor Ass...

Страница 148: ...5 2 Open the DPR 62 and SST 3 boards Refer to section 8 2 3 Remove the rubber ring attached to the boss in the center of the chassis then remove the insulating plate 4 Remove the driving belt left in step 2 5 S reel motor assy installation 1 Clean the following portion with cleaning cloth moistened with cleaning liquid Motor pulley of S reel motor Portion where the brake arm touches the belt 2 Ins...

Страница 149: ... driving belt is almost put in the center of the motor pulley and relay pulley 7 Close the back side of the chassis 1 Insert the center hole of the insulating plate into the boss in the center of the chassis and fix it using a rubber ring Confirm that each lever or pin is put in each hole of the insulating plate 2 Mount the DPR 62 and SST 3 boards Refer to section 8 2 3 Install the bottom plate Re...

Страница 150: ...connection Adjustment after replacement Servo system adjustment Tape path adjustment Preparation 1 Put the unit into the unthreading end state 2 Turn the power off 3 Remove the upper panel Refer to section 1 5 4 Remove the cassette compartment Refer to section 1 6 n A clutch plate and retaining ring are pressed in the T reel motor shaft Prepare a new clutch 3 169 371 02 and retaining ring 7 624 19...

Страница 151: ...MG 601 board CN944 Tape top sensor of manual eject assy CN946 Gear block assy motor CN943 T reel motor CN953 Pinch plunger CN947 TC head CN949 TC CUE head erase head CN942 T brake plunger 2 Manual eject assy removal 1 Remove one screw and lift the manual eject assy 2 Disconnect connector CN1 connected to the DET 15 board of the manual eject assy 6 22 T Reel Motor Assembly Replacement ...

Страница 152: ...l Motor Assembly Replacement 3 Pinch solenoid assy removal 1 Remove the two screws of the pinch solenoid assembly 2 Turn the gear at the top of threading motor clockwise with fingers until the cue brush touches the CUE TC head 3 Remove the pinch solenoid from the unit while moving it to the MB 601 board ...

Страница 153: ...e the two screws then remove the T reel motor assy n At that time the driving belt put on the T reel motor pulley at the back of the chassis is removed together and the driving belt is left on the back side of the chassis Installation 5 T reel motor assy replacement 1 Loosen one setscrew and remove the motor pulley 2 Remove the three screws then remove the T reel motor from the brake base ...

Страница 154: ...he position shown in the figure 7 Install the reel motor in the brake base with three screws 8 Pass the motor pulley removed in step 1 through the reel motor shaft in the direction shown in the figure 9 Put a thickness gauge 4 mm thick between the motor pulley and brake base and tighten the setscrew 10 Pull out the thickness gauge 11 Reconfirm that the clearance satisfies the specification 6 22 T ...

Страница 155: ...y from the top of the chassis with two screws 8 Driving belt installation 1 Cleaning the following portion with cleaning cloth moistened with cleaning liquid Driving belt Relay pulley 2 Set the white marker of the driving belt to the outside and put the driving belt to the motor pulley 3 Rotate the relay pulley slowly while holding so that the driving belt does not come off from the motor pulley a...

Страница 156: ...ition Refer to section 6 10 13 Connector connection Connect harness connectors to the connectors on the MB 601 board below CN944 Harness connector of manual eject assy s tape top sensor CN946 Harness connector of gear block assy CN943 Harness connector of T reel motor CN953 Harness connector of pinch plunger CN947 Harness connector of TC head CN949 Harness connector of TC CUE erase head CN942 Harn...

Страница 157: ... the unit into the unthreading end mode 2 Turn the power off 3 Remove the top panel Refer to 1 5 Removal Installation of Cabinet 4 Remove the cassette compartment Refer to Section 1 6 n When replacing prepare new two types of stop washer P N 3 669 465 01 and P N 3 726 829 01 Tools Stop washer fastening tool J 6323 530 A Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Oil 7 661 018 18 Molyt...

Страница 158: ...1 Stop washer removal 1 Put the unit into the unthreading end mode 2 Remove the stop washer of the drawing arm 2 Mode set change Turn the manual eject gear clockwise until the tape guide of the S slider reaches in the front of the CTL head 6 23 S Arm Assembly Replacement ...

Страница 159: ...asher adheres to the bearing of the S arm assembly take out the polyslider washer and install it in the shaft on the chassis Installation 4 S arm assembly installation 1 Clean the two fixing shafts of the S arm assembly using a cleaning cloth moistened with cleaning fluid then apply a half drop of oil to the fixing shafts 2 Apply a half drop of oil to the small collar fixing shaft on a new S arm a...

Страница 160: ...her 3 669 465 01 5 Operation check Turn the manual eject gear clockwise and coun terclockwise and check that the threading and unthreading are performed smoothly 6 Cleaning Clean the tape guide using a cleaning cloth moistened with cleaning fluid Adjustment after replacement 7 Tape path adjustment Refer to Section 7 1 1 6 23 S Arm Assembly Replacement ...

Страница 161: ...s are much the same in replacement procedure Replace the parts to be handled according to the procedure below Preparation 1 Put the unit into the unthreading end state 2 Turn the power off 3 Remove the upper panel Refer to section 1 5 4 Remove the cassette compartment Refer to section 1 6 n Stop washer and E ring are used to install the T link and T drawing arm assy Prepare a new stop washer 3 669...

Страница 162: ...p washer of the T drawing arm assy Remove the compression coil spring under the stop washer simultaneously n Be careful not to lose the compression coil spring 3 Lift the T drawing arm assy and T link and remove them from the chassis n Do not touch the drum during removal Be careful not to lose the slider under the T drawing arm assembly 6 24 T Link and T Drawing Arm Assembly Replacement T slider ...

Страница 163: ...rawing arm assembly instllation 1 Clean the fixing shaft of the T drawing arm with cleaning cloth moistened with cleaning liquid then apply a 1 2 drop of oil to the shaft 2 Set the bent hook of the torsion coil spring to the cam gear and put the hook of the torsion coil spring in the small hook of the cam gear as shown in the figure Stop washer T link T drawing arm assembly Cam gear Longer hook Sm...

Страница 164: ...5 mm thick 3 701 437 21 then a torsion coil spring into the fixing shaft of the T drawing arm assy and install using a new stop washer 3 669 465 01 5 Operation confirmation Turn the manual eject knob clockwise and counterclockwise confirm that the threading and unthreading are performed smoothly and not to detach the hook of the torsion coil spring from the T link 6 Cleaning Clean the pinch roller...

Страница 165: ...allation S arm assembly installation Drum assembly installation Connection brush assembly connector Unthread guide plate SE 233 board installation Cleaning of the heads and the tape running surface Adjustment after this repiacement Tension regulator adjustment Tape path adjustment Reference This section describes the replacement procedure of the drawing arm gear catcher S T slider S T threading ge...

Страница 166: ... Disconnection brush assembly connector Disconnect the connector on the brush assembly board 4 Drum assembly removal 1 Remove the three screws of the drum assem bly 2 Life just above the drum assembly and disconnect the three connectors CN1 CN2 and CN3 on the lower board of the drum n When removing the drum take care not to damage the CTL head CUE TC head and the peripheral tape guides 5 S arm ass...

Страница 167: ... removal 1 Remove the three screws and the catcher S 2 Remove the three screws and the catcher T 9 Threading link assembly removal 1 Remove the nine screws shown in the figure 2 Remove the threading link assembly n Do not touch the rails against the stationary heads Screws PWH1 4 2 5 Screws PWH1 4 2 5 Screw PWH1 4 2 5 Screws PWH1 4 2 5 Catcher S Catcher T Screws PWH1 4 2 5 ...

Страница 168: ... Threading gear assembly removal n The procedures for removing the S side threading gear are the same as for removing the T side one 1 Remove the flange portion at the link shaft of the threading gear assembly while opening the rail 2 Remove the two screws and remove the rail and the threading gear assembly from the threading base Threading base Screw PWH1 4 2 5 Screws PWH1 4 2 5 Screw PWH1 4 2 5 ...

Страница 169: ...rk of the T threading gear as shown in the figure 2 Align the mark notch of the T threading gear with the mark hole of the ST driving gear as shown in the figure 3 Attach the rail using the two screws 4 Put the flange portion at the link shaft of the T threading gear assembly in the rail while opening the groove of the rail T threading gear assy ST driving gear Mark notch T threading gear assy ST ...

Страница 170: ...screws 3 Put the flange portion at the link shaft of the T threading gear assembly in the rail while opening the groove of the rail 14 Slider S T installation 1 Put the slider S T in the rail in the direction of the arrow 2 Put the installing shaft of the slider in the hole of the link using the new E ring Screw PWH1 4 2 5 Screw PWH1 4 2 5 S rail T threading gear assy S threading gear assy Mark Ma...

Страница 171: ...t Parts of the Threading Link Block 3 Turn the ST driving middle gear using finger and check that the sliders move smoothly 15 Threading link assembly installation 1 Turn the manual eject gear clockwise so that the cam gear is at the position shown in the figure Intermittent gear F cam gear ...

Страница 172: ...Tighten the nine screws n Do not scratch the stationary heads by the dirver 5 If the intermittent gear had be turned in the step 3 turn the manual eject knob counter clockwise and return the cam gear to the position of the step 1 16 Catcher S T installation 1 Attach the catcher S using the three screws 2 Attach the catcher T using the three screws ST driving gear Boss A Hole A Boss B Intermittent ...

Страница 173: ...hassis shown in figure and put the drawing arm gear tothe shaft 4 Attach the drawing arm gear using the new stop washer 18 T drawing arm assembly installation Refer to section 6 24 T link and T Drawing Arm Replacement 19 S arm assembly installation Refer to section 6 23 S arm assembly Replace ment Driving gear Stop washer Longitudinal hole Hole A NG OK NG Shaft Round hole Round hole is seen half p...

Страница 174: ...assembly connector Connect the connector to the brush assembly board 22 Unthread guide plate installation Attach the unthread guide plate using the two screws 23 SE 233 board installation Attach the SE 233 board using two screws 24 Cleaning of the heads and the tape running surface Cleaning the following areas using a cleaning cloth moistened with cleaning fluid Video heads Refer to section 5 1 2 ...

Страница 175: ...etting DIP swich setting FINISH Cleanning Screw lock OK OK OK OK NG NG NG NG NG T side NG S side NG S side NG OK Tape running check CTL head position check Alignment tape tracking check S side tape running check CUE TC head position check 4 NG OK Referrence 1 2 3 1 Upper Drum Replacement Drum Replacement Tension Regulator Roller Replacement CTL Head Replacement 3 CTL head position adjustment Secti...

Страница 176: ... side Unthreading end mode 7 1 2 Locations of Tape Running System Capstan CUE TC head Slip ring T1 tape guide Pinch roller T3 tape guide T2 tape guide Drum Lead T4 tape guide CTL head Tape cleaner Drum FE head S3 tape guide S5 tension regulator tape guide S2 tape guide S4 S drawing tape guide S1 tape guide ...

Страница 177: ...e height of this tape guide About tape running adjustment When carrying out the tape running adjustment after replacing the part of the tape path system First carry out the checks and adjustments of the tape running using a Digital Betacam cassette tape BCT D40 or etc Next carry out the checks and fine adjustments of the tape running using an align ment tape ZR2 1 P About screws at the top of the ...

Страница 178: ...al type J 6080 840 A Cleaning piece 2 034 697 00 Cleaning fluid 9 919 573 01 Torque screwdriver for 3 kg J 6325 400 A Torque screwdriver bit for M2 J 6325 380 A Torque screwdriver hex bit across 1 27 mm J 7031 460 A Alignment tape ZR2 1 8 960 073 11 Alignment tape ZR2 1P 8 960 073 61 Contents The CTL head height adjustment can use at any position of this alignment tape TIME min sec CTL TRACK CUE T...

Страница 179: ...sette BCT D124L Standard product Checks 1 Play mode Beginning portion of the tape 1 Put into the PLAY mode at the beginning portion of an alignment tape ZR2 1 1P from 5 00 to 10 00 2 Check that the tape running conditions tape curl and tape contacting flange of tape guide at S5 guide S4 guide and S3 guide meet the following specification 1 If not perform the adjustment from steps 9 and later 2 REV...

Страница 180: ...inutes 1 Put into the PLAY mode at the end portion of BCT D124L 2 Check the tape running conditions as the same manner of step 2 in 1 If not perform the adjustment from steps 9 and later 6 REV SEARCH mode Latter half portion of the tape without last 10 minutes 1 Put into the REV SEARCH mode at the end portion of BCT D124L 2 Check the tape curl as the same manner of step 3 in 2 If not perform the a...

Страница 181: ...pe guide adjustment screwdriver Turn the upper flange of the guide and adjust the height of the guide so that tape runs in contact the upper flange of the guide 5 Put into the REV SEARCH 2 mode at the beginning portion of the ZR2 1 1P from 5 00 to 10 00 6 Check that the tape runs without any curl at the S3 guide If not turn the upper flange of the S3 guide and adjust the height of the guide so tha...

Страница 182: ...ss than 1 10 of tape width 1 Lower 1 Tape curl at the center of tape wrap is not acceptable Rev 2 mode F FWD mode REW mode Acceptable range of tape curl Guide S5 Less than 1 10 of tape width S3 Not acceptable S4 Less than 1 10 of tape width Tape runs in contact with the lower flange Tape cleaner S3 S5 FE head CTL head S4 tape guide S2 S1 Drum lead Tape runs in contact with the upper flange Upper f...

Страница 183: ...r supply AC 550 550CE or equivalent Setting 1 Turn the power off 2 Remove the top panel Refer to 1 5 Removal Installation of Cabinet 3 Connect an oscilloscope CH 1 TP5 MB 601 CTL TRIG TP8 MB 601 CF 4 Connect a regulated DC power supply to DC IN connector on the connector panel 5 Turn the power on 6 Insert an alignment tape ZR2 1 1P 7 2 2 CTL Head Height Adjustment ...

Страница 184: ...If the level increases when pressing down the tape 1 Turn the height adjusting nut counterclockwise until the output waveform is beyond the maximum 2 Turn the height adjusting nut clockwise and adjust so that the output waveform is the maximum 4 If the level increases when pushing up the tape Turn the height adjusting nut clockwise and adjust so that the output waveform is the maximum A Tape clean...

Страница 185: ...el Refer to 1 5 Removal Installation of Cabinet 3 Remove the battery case Refer to 1 5 Removal Installation of Cabinet 4 Open the ornamental plate on the left side panel Refer to 1 13 Tracking Adjustment 5 Set all four switches of DIP switches S1 and S2 on the UDR 9 board which attaches to the upper drum to ON 6 Set the switch S700 1 on the EQ 54 board to ON 7 Connect an oscilloscope CH 1 TP10 MB ...

Страница 186: ...tracking control volume to center click position 2 Turn the two screws which secure the entrance head assembly 1 4 to 1 2 turn 3 Put the 3 mm screwdriver in the notch of the entrance head assembly 4 Turn the screwdriver and adjust the CTL head position so that the marker of the RF waveform is output during the low level at the CTL PULSE and the output level at the center of the RF waveform is the ...

Страница 187: ...wer off 2 Set all four switches of DIP switches S1 and S2 on the UDR 9 board which attaches to the upper drum to ON 3 Set switch S700 1 on the EQ 54 board to ON 4 Turn the power on ON OFF S1 S2 UDR 9 board EQ 54 board ON OFF S700 1 4 7 2 4 DIP Switch Setting ...

Страница 188: ...the battery case Refer to 1 5 Removal Installation of Cabinet 4 Connect an oscilloscope CH 1 TP10 MB 601 REC A TRIG TP8 MB 601 CF 5 Connect a regulated DC power supply to DC IN connector on the connector panel 6 Set all four switches of DIP switches S1 and S2 on the UDR 9 board which attaches to the upper drum to ON 7 Set switch S700 1 on the EQ 54 board to ON 8 Turn the power on 9 On the setup me...

Страница 189: ... follows 4 Eject the alignment tape and insert it and play back again 5 Check that the envelope waveform A meets the specification If not perform the steps 3 and later 6 Tighten the set screws a and b Tightening torque 0 1 0 015 N m 0 8 0 15 kgf cm 3 S1 guide slantness check Repeat the mode change from EJECT mode to PLAY mode 3 times Check that the envelope waveform A meets the specification If no...

Страница 190: ...on the left side panel Refer to 1 13 Tracking Adjustment 4 Set all four switches of DIP switches S1 and S2 on the UDR 9 board which attaches to the upper drum to ON 5 Set the switch S700 1 on the EQ 54 board to ON 6 Connect an oscilloscope CH 1 TP10 MB 601 REC A TRIG TP8 MB 601 CF 7 Connect a regulated DC power supply to DC IN connector on the connector panel 8 Turn the power on 9 Insert an alignm...

Страница 191: ...r so that the rising edge of the envelop waveform makes flat as shown in figure C 3 Check that tape runs in contact with the upper flange of the S2 guide 4 Tighten the set screw on the upper flange to the following tightening torque Tightening torque 9 10 2 N m 0 9 kgf cm 3 S2 guide height check Repeat the mode change from EJECT mode to PLAY mode 3 times Check that the rising edge of the envelop w...

Страница 192: ...the tape 1 On the setup menu set SEARCH speed to 2 Refer to Section 3 1 2 Put into the REV SEARCH mode press the REW button after pressing the SEARCH button at the beginning portion of an alignment tape ZR2 1 1P from 5 00 to 10 00 3 Check that the tape runs without any curl at S5 guide S4 guide S3 guide S2 guide and lead of the drum If tape curl occurs by all means the tape curl shown in the table...

Страница 193: ...7 2 1 S3 S5 Tape Guide Height Adjustment 6 REV SEARCH mode Latter half portion of the tape without last 10 minutes 1 Put into the REV SEARCH mode at the end portion of BCT D124L 2 Check the tape curl as the same manner of step 3 in 2 If not perform the adjustment from 7 2 1 S3 S5 Tape Guide Height Adjustment 7 F FWD mode Latter half portion of the tape without last 10 minutes 1 Put into the F FWD ...

Страница 194: ...cleaner S3 S5 FE head CTL head S4 tape guide S2 S1 Drum lead Tape runs in contact with the upper flange Acceptable range of tape curl Rev 2 mode F FWD mode REW mode Guide S5 Less than 1 10 of tape width S3 Not acceptable S2 Less than 1 10 of tape width 1 Lead of drum Less than 1 10 of tape width 2 1 Tape curl at the center of tape wrap is not acceptable 2 Tape curl should be disappeared within 1 s...

Страница 195: ...e the top panel Refer to 1 5 Removal Installation of Cabinet 3 Open the ornamental plate on the left side panel Refer to 1 13 Tracking Adjustment 4 Connect an oscilloscope CH 1 TP10 MB 601 REC A TRIG TP8 MB 601 CF 5 Connect a regulated DC power supply to DC IN connector on the connector panel 6 Turn the power on 7 On the setup menu set AUTO TRACKING to OFF 8 Insert an alignment tape ZR2 1 1P Adjus...

Страница 196: ... follows 4 Eject the alignment tape and insert it and play back again 5 Check that the envelope waveform A meets the specification If not perform the steps 3 and later 6 Tighten the set screws a and b Tightening torque 0 1 0 015 N m 0 8 0 15 kgf cm 3 T1 guide slantness check Repeat the mode change from EJECT mode to PLAY mode 3 times Check that the envelope waveform A meets the specification If no...

Страница 197: ...anel Refer to 1 5 Removal Installation of Cabinet 3 Open the ornamental panel on the left side panel Refer to 1 13 Tracking Adjustment 4 Connect an oscilloscope CH 1 TP10 MB 601 REC A TRIG TP8 MB 601 CF 5 Connect a regulated DC power supply to DC IN connector on the connector panel 6 Turn the power on 7 Insert an alignment tape ZR2 1 1P 8 On the setup menu set AUTO TRACKING to OFF Adjustments 1 Pl...

Страница 198: ...the envelop waveform makes flat as shown in figure C 3 Check that tape runs in contact with the upper flange of the T2 guide 4 Tighten the set screws on the upper flange to the following tightening torque Tightening torque 9 10 2 N m 0 9 kgf cm 3 T2 guide height check Repeat the mode change from EJECT mode to PLAY mode 3 times Check that the rising edge of the envelop waveform during PLAY mode is ...

Страница 199: ...ion of Cabinet 3 Open the ornamental panel on the left side panel Refer to 1 13 Tracking Adjustment 4 Connect an oscilloscope CH 1 TP10 MB 601 REC A TRIG TP8 MB 601 CF 5 Connect a regulated DC power supply to DC IN connector on the connector panel 6 Turn the power on 7 On the setup menu set AUTO TRACKING to OFF 8 Insert an alignment tape ZR2 1 1P Checks 1 Playback the alignment tape Play back the ...

Страница 200: ...2 Turn the tracking control volume using a screwdriver so that the output level at the center of the envelop waveform is the maximum 3 Put the unit into EJECT mode once 4 Put the unit into threading mode and press the PLAY button 5 Push the PAUSE button to be pause mode the unit press the PAUSE button again 6 Check that the start up time of the envelope waveform is within 1 sec likes shown in figu...

Страница 201: ...t into the REV SEARCH mode press the REW button after pressing the SEARCH button at the beginning portion of an alignment tape ZR2 1 1P from 5 00 to 10 00 3 Check that the tape runs without any curl at T3 guide If tape curl occurs by all means the tape curl shown in the table below is acceptable If not perform the adjustment from steps 9 and later 3 F FWD mode Beginning portion of the tape 1 Put i...

Страница 202: ...ent from steps 9 and later 6 REV SEARCH mode Latter half portion of the tape without last 10 minutes 1 Put into the REV SEARCH mode at the end portion of BCT D124L 2 Check the tape curl as the same manner of step 3 in 2 If not perform the adjustment from steps 9 and later 7 F FWD mode Latter half portion of the tape without last 10 minutes 1 Put into the F FWD mode at the end portion of BCT D124L ...

Страница 203: ... upper flange of the guide and adjust the height of the guide so that tape runs in contact the lower flange of the guide 6 Check that the tape runs without any curl at the T3 guide in REV SEARCH 2 F FWD and REW mode acceptable range less than 1 10 of the tape width If not turn the upper flange of the T3 guide and adjust the height of the guide so that tape runs near the upper flange of the guide 7...

Страница 204: ...e upper portion of the running tape between the pinch capstan and the T3 guide using a side of bamboo stick 3 Check that the tape returns to the primary portion when the bamboo stick is removed 4 If the tape does not return bring down the T3 guide a little way And perform the step 2 and 3 again T3 T drawing tape guide Capstan Bamboo stick Pinch roller ...

Страница 205: ... M2 J 6325 380 A Torque screwdriver for 3 kg J 6325 400 A Oscilloscope Regulated DC power supply AC 550 550CE or equivalent Setting 1 Turn the power off 2 Remove the top panel Refer to 1 5 Removal Installation of Cabinet 3 Remove the battery case Refer to 1 5 Removal Installation of Cabinet 4 Remove the ornamental plate on the left side panel Refer to 1 13 Tracking Adjustment 5 Connect an oscillos...

Страница 206: ...o PLAY mode 2 or 3 times Check that the waveform meets the specification If not perform the step 3 and later 4 Repeat the mode change from REV SEARCH mode to PLAY mode 2 or 3 times Check that the waveform meets the specification If not perform the step 3 and later Adjustments 3 CUE TC head position adjustment 1 Loosen two screws of the CUE head bracket 1 4 to 1 2 turn 2 Put the 3 mm screwdriver in...

Страница 207: ...off 2 Remove the top panel Refer to 1 5 Removal Installation of Cabinet 3 Remove the battery case Refer to 1 5 Removal Installation of Cabinet 4 Connect an oscilloscope CH 1 TP802 EQ 54 CUE PB 5 Connect a regulated DC power supply to DC IN connector on the connector panel 6 Turn the power on 7 On the setup menu set the SEARCH speed to 2 Refer to Section 3 1 8 Insert an alignment tape ZR2 1 1P 7 2 ...

Страница 208: ...d does not change If the level changes perform the step 3 and later Reference How to put into the REV SEARCH mode Press the REW button after pressing the SEARCH button Adjustments 3 If the level increases when pressing down the tape 1 Turn the height adjusting nut counterclockwise until the output waveform is beyond the maximum 2 Turn the height adjusting nut clockwise and adjust so that the outpu...

Страница 209: ... Remove the top panel Refer to 1 5 Removal Installation of Cabinet 3 Remove the battery case Refer to 1 5 Removal Installation of Cabinet 4 Connect an oscilloscope CH 1 TP802 EQ 54 CUE PB 5 Connect a regulated DC power supply to DC IN connector on the connector panel 6 Turn the power on 7 On the setup menu set the SEARCH speed to 2 Refer to Section 3 1 8 Insert an alignment tape ZR2 1 1P 7 2 14 CU...

Страница 210: ...e 2 or 3 times Check that the output level is same as the pre PLAY level and does not change 3 Repeat the mode change from REV SEARCH mode to PLAY mode 2 or 3 times Check that the output level is same as the pre PLAY level and does not change Reference How to put into the REV SEARCH mode Press the REW button after pressing the SEARCH button 3 SEARCH speed change On the setup menu reset SEARCH spee...

Страница 211: ... Set the DIP switches Refer to 7 2 4 DIP switch Setting 4 Remove the ornamental plate on the left side panel Refer to 1 13 Tracking Adjustment 5 Connect an oscilloscope CH 1 TP10 MB 601 CH 2 TP8 MB 601 6 Connect a regulated DC power supply to DC IN connector on the connector panel 7 Turn the power on 8 Insert an alignment tape ZR2 1 1P 9 On the setup menu set AUTO TRACKING to OFF 10 Turn the track...

Страница 212: ...f a clip or equivalent 2 Move the cursor to TEST on the menu and press the SET button 3 Move the cursor to TTP and press the SET button 4 Move the cursor to ADJUST and press the SET button 5 Move the cursor to DRUM PG and press the SET button 3 PG adjustment Adjust the time A to meet the specification shown in figure by pressing the UP DOWN button 7 2 15 Drum PG Phase Adjustment A CH 1 REC A CH 2 ...

Страница 213: ...Remove the battery case Refer to 1 5 Removal Installation of Cabinet 4 Remove the ornamental plate on the left side panel Refer to 1 13 Tracking Adjustment 5 Set all four switches of DIP switches S1 and S2 on the UDR 9 board which attaches to the upper drum to ON 6 Set the switch S700 1 on the EQ 54 board to ON 7 Connect a regulated DC power supply to DC IN connector on the connector panel 8 Turn ...

Страница 214: ... that the marker of the RF waveform is output the position in the figure below 4 Oscilloscope setting 2 Connect an oscilloscope CH 1 TP8 MB 601 CF CH 2 TP14 MB 601 SEG 5 Playback the alignment tape Playback the alignment tape ZR2 1 1P from 25 00 to 27 00 6 CTL head position check 2 Check that each waveforms are rising at the same time RF waveform CH 1 CTL pulse CH 2 65 50 50 50 35 Marker 7 2 16 CT...

Страница 215: ... off 2 Set all four switches of DIP switches S1 and S2 on the UDR 9 board which attaches to the upper drum to OFF 3 Set the switch S700 1 on the EQ 54 board to OFF 4 Turn the power on ON OFF S1 S2 UDR 9 board EQ 54 board ON OFF S700 1 4 7 2 17 DIP Switch Re setting ...

Страница 216: ...ecording the test signal 1 1 To display the DIAG menu on the display press the DIAG button using a tip of a clip or equivalent 2 Move the cursor to TEST on the menu and press the SET button 3 Move the cursor to TTP and press the SET button 4 Move the cursor to PATH and press the SET button 5 Move the cursor to TEST SG and press the SET button 6 To display the A2 to the right side of TEST SG press ...

Страница 217: ...he tape 3 Play back the recorded portion of the test signal 4 Check that the start up time of the waveform at REC PAUSE on off point is within 1 sec and the tape curl at the lead disappeares within 0 5 sec Spec 3 5 Put the unit into REC mode at the end portion of BCT D124L cassette 6 Perform steps 2 to 4 and check the start up time of the waveform 7 2 18 Self REC PB Tracking Check Pause or REV 2 m...

Страница 218: ...heck 1 Connect the CH 1 of the oscilloscope to TP2 BF on the MB 601 board and perform the steps 2 and 3 2 Connect the CH 1 of the oscilloscope to TP4 DH on the MB 601 board and perform the steps 2 and 3 7 Perform step 3 and check the start up time meet the specification 3 If the specifications 1 and 2 are not met for two kind of head to tape contact checks perform the adjustment from 7 2 5 S1 Guid...

Страница 219: ...u set SEARCH speed to 2 Refer to Section 3 1 2 Put into the REV SEARCH mode press the REW button after pressing the SEARCH button at the beginning portion of an alignment tape ZR2 1 1P from 5 00 to 10 00 3 Check that the tape runs without any curl at S5 guide S4 guide S3 guide S2 guide and lead of the drum If tape curl occurs by all means the tape curl shown in the table below is acceptable If not...

Страница 220: ...om 7 2 1 S3 S5 Tape Guide Height Adjustment 6 REV SEARCH mode Latter half portion of the tape without last 10 minutes 1 Put into the REV SEARCH mode at the end portion of BCT D124L 2 Check the tape curl as the same manner of step 3 in 2 If not perform the adjustment from 7 2 1 S3 S5 Tape Guide Height Adjustment 7 F FWD mode Latter half portion of the tape without last 10 minutes 1 Put into the F F...

Страница 221: ...aner S3 S5 FE head CTL head S4 tape guide S2 S1 Drum lead Tape runs in contact with the upper flange Acceptable range of tape curl Rev 2 mode F FWD mode REW mode Guide S5 Less than 1 10 of tape width S3 Not acceptable S2 Less than 1 10 of tape width 1 Lead of drum Less than 1 10 of tape width 2 1 Tape curl at the center of tape wrap is not acceptable 2 Tape curl should be disappeared within 1 sec ...

Страница 222: ...ss than 1 10 of tape width Lower Lead of drum Not acceptable CUE TC head Tape Capstan motor CH erase Drum T1 T2 T3 T4 Acceptable range of tape curl 1 Tape curl at the center of tape wrap is not acceptable 2 Tape curl should be disappeared within 1 sec when the mode change is performed from each mode to PLAY T3 Not acceptable T2 Less than 1 10 of tape width 1 Lead of drum Less than 1 10 of tape wid...

Страница 223: ...nkle If the tape wrinkle occurs check that the tape wrinkle disappears within 2 seconds and do not damage the tape 2 Repeat the step 1 2 or 3 times and re check 3 Put into the F FWD mode and after 2 or 3 seconds put into the PLAY mode Check that the specification is met If not Perform the steps 10 and later 4 Put into the REV SEARCH mode and after 2 or 3 seconds put into the PLAY mode Check that t...

Страница 224: ... screw of S2 guide Fixing screw of S5 guide T1 guide slantness adjustment screws 2 pcs Fixing screw of T2 guide Fixing screw of T3 guide Fixing screw of T4 guide 2 Entrance head assembly Height adjustment nut Fixing screws 2 pcs Fixing screw of S3 guide 3 CUE head assembly Height adjustment nut TC head position adjustment screws 2 pcs CUE head mounting screws 2 pcs Azimuth Zenith adjustment screw ...

Страница 225: ...cam cassette BCT D40 Standard product Regurated DC power supply AC 550 550CE or euivalent Setting 1 Turn the power off 2 Remove the top panel Refer to 1 5 Removal Installation of Cabinet maintenance manual part1 3 Set the S TEN adjusting table on the horizontal board so that the table leaves a fit space 4 Open the battery lid on the left side panel 5 Lay the DVW 250 250P on the S TEN adjusting tab...

Страница 226: ... screwdriver to the notch of the TR 57 board 4 Turn the screwdriver and adjust the position of the TR 57 board so that it meet the specificasion Spec 1 63 0 01 V Digital volt meter 5 While holding the screwdriver in step 4 tighten the screw 6 Remove the S tension arm positioning pin 3 Spring position adjustment 1 Hook the S tension weight W44 to the tension regurator guide S5 guide 2 Push down the...

Страница 227: ...eight W44 4 Gain adjustment 1 Hook the S tension weight W76 7 to the tension regurator guide S5 guide 2 Push down the S tension arm until it is stopped 3 And release the S tension arm softly 4 Swing the S tension weight and then quiet it using a finger softly 5 Adjust the variable resistor VR402 on the SST 3 board so that it meet the specification Spec 2 23 0 02 V Digital volt meter If it does not...

Страница 228: ... the position of the tape end sensor so that it meet above two checks 7 Fix the tape end sensor and tighten the screw 6 Cleaning Clean the S tension guide S5 guide using a cleaning cloth moistened with cleaning fluid 7 Tape tension check 1 Insert a FWD back tension measuring cassette tape and put the mode into the recording 2 Check that the value of the FWD back tension measur ing cassette tape at...

Страница 229: ...me1 Section4 when replacing the boards not listed in this table 8 2 Video Boards Assembly Replacement n Video boards assembly DIF 31 Board DPR 62 Board and VPR 12 Board 8 2 1 Opening Removal of Video Boards Assembly Opening the video boards assembly 1 Remove the bottom plate Refer to 1 5 Removal Installation of Cabinet 2 Remove the screws fixing the holder L and holder R 3 Disconnect the connector...

Страница 230: ...ial cables CN251 through CN254 on the DIF 31 board 4 Open the video boards assembly in the direction indicated by the arrow 5 Disconnect the connectors CN209 and CN210 on the VPR 12 board VPR 12 board CN209 CN210 8 2 Video Boards Assembly Replacement CN251 red CN254 yellow CN252 black CN253 orange ...

Страница 231: ...board to board connector CN205 3 Remove a screw fixing the cord 4 Insert the hexagon wrenches across 1 5 mm into the two holes of the DPR 62 board and move them in the direction indicated by the arrow to disconnect the board to board connectors CN908 through CN911 Screw DPR 62 board Cord Hexagon wrench Hexagon wrench CN205 DIF 31 board Screws PWH2 6 5 8 2 Video Boards Assembly Replacement ...

Страница 232: ...ion 8 2 1 2 Remove the five screws fixing the VPR 12 board 3 Remove the two screws fixing the stay retainer 4 Insert the hexagon wrenches across 1 5 mm into the holes of the VPR 12 board and move them in the direction indicated by the arrow to disconnect the board to board connectors CN201 through CN204 VPR 12 board CN201 CN202 CN203 CN204 Hexagon wrench Hexagon wrench 8 2 Video Boards Assembly Re...

Страница 233: ...ough CN106 and CN108 through CN113 on the SST 3 board 3 Remove the six screws fixing the SST 3 board 4 Open the SST 3 board and disconnect the connectors CN102 CN107 and CN114 CN111 CN104 CN103 SST 3 board CN108 CN112 CN101 CN113 CN106 CN109 CN110 CN105 8 3 SST 3 Board Removal CN114 CN107 CN102 SST 3 board Screws PWH2 6 5 Screws PWH2 6 5 ...

Страница 234: ...tion indicated by the arrow 5 Disconnect the connectors CN461 through CN463 while removing the KY 315 board 5 Insert the hexagon wrenches across 1 5 mm into the holes of the SST 3 board and move them in the direction indicated by the arrow to disconnect the board to board connectors CN901 through CN905 8 3 SST 3 Board Removal 8 4 KY 315 Board Removal KY 315 board Key tops CN463 CN462 CN461 Screw P...

Страница 235: ...ctors CN551 through CN553 6 Open the video boards assembly Refer to Section 8 2 1 7 Remove the two screws and disconnect the connectors CN554 and CN557 on the ADA 44 board 8 Remove one screw and remove the fixed board plate 9 Remove the ADA 44 board from the unit by sliding it in the direction indicate by the arrow CN553 CN552 CN551 Control knobs Switch cushion Nuts Nut 8 5 ADA 44 Board Removal Fr...

Страница 236: ... EQ 48 board twist the connection harness five turns or more and connect it to CN304 8 7 DC DC Converter Removal 1 Remove the top panel bottom plate and battery case Refer to 1 5 Removal Installation of Cabinet 2 Remove the three screws fixing the DC DC converter 3 Disconnect the connector CN601 and fasten terminal CN602 and then remove the DC DC converter from the unit CN602 disconnection Pinch t...

Страница 237: ...dio Noise Meter READER LMV 189AR or equivalent Audio Distortion Meter Tectronix AA5010 or equivalent Monitor Sony BVM 1410 or equivalent Frequency Counter Advantest TR5821AK or equivalent Alignment Tape ZR5 1 for NTSC Part No 8 960 073 01 Alignment Tape ZR5 1P for PAL Part No 8 960 073 51 Alignment Tape ZR2 1 for NTSC Part No 8 960 073 11 Alignment Tape ZR2 1P for PAL Part No 8 960 073 61 Blank Ta...

Страница 238: ...in the audio frequency responce check or adjustment the output level should be corrected according to the correction value 9 1 General Information for Electrical Adjustment Alignment Tape ZR2 1 Part No 8 960 073 11 ZR2 1P Part No 8 960 073 61 TIME min sec CTL TRACK CUE TRACK VIDEO AUDIO TRACK 00 00 7 3 PULSE CTL 1 kHz 0 VU 4MHz A CH only 15 00 CTL 12 kHz 0 VU A C CH 4MHz B D CH 8MHz 20 00 25 00 27...

Страница 239: ...nt 9 5 7 Equalizer AMP Adjustment to 9 5 13 Save the Adjustment Data DC DC converter No adjustment is required ADA 44 9 4 1 PB Level Distortion Adjustment to 9 4 3 DC Offset Adjustment EQ 54 9 4 5 CUE Channel PB Frequency Characteristics Adjustment to 9 4 7 CUE REC Level Adjustment 9 5 RF System adjustment DIF 31 9 6 VIDEO System Adjustment 1 VPR 12 9 7 1 Pedestal Level Adjustment to 9 7 4 INPUT S...

Страница 240: ...eter Test point TP6 B 8 SST 3 GND E6 H 5 SST 3 Adjustment point 1RV2 B 7 SST 3 Specification 8 5 0 1 V dc 9 3 Servo System Adjustment Preparation Eject a tape 9 3 1 EEPROM Data Initialize 1 On the DIAG menu set PAGE as follows PAGE TEST TTP ADJUST NVRAM NVRAM ITEM NVRAM INITIAL 2 Press the SET button The INITIALIZING message is displayed on the audio meter LCD 3 When this initialize is completed t...

Страница 241: ...MPLETE message is displayed on the audio meter LCD 9 3 Servo System Adjustment 9 3 3 Capstan FG Duty Adjustment 1 On the DIAG menu set PAGE as follows PAGE TEST TTP ADJUST NVRAM ADJUST ITEM CAP FG DUTY 2 Press the SET button Executed the automatic adjustment The ADJUSTING message is displayed on the audio meter LCD 3 When this adjustment is completed the ADJUST COMPLETE message is displayed on the...

Страница 242: ... dis played Check the circuit SST 3 board relevant to capstan motor and CTL head 9 3 Servo System Adjustment 9 3 5 Drum PG Phase Adjustment 1 Turn the power off 2 Select the all four switches of switches S1 and S2 on the UDR 9 board which attaches to the upper drum to the TEST ON 3 S700 1 C 1 EQ 54 ON 4 Turn the power on 5 1RV401 A 4 SST 3 Mechanical center Click position Tracking control volume 6...

Страница 243: ...he SET button The SAVING message is displayed on the audio meter LCD 3 When this saving is completed the DATA SAVED message is displayed on the audio meter LCD 9 3 Servo System Adjustment EQ 54 Board A side 1 2 3 4 A B C D E F G S700 SST 3 Board A side 1 A B C D E G H J 2 3 4 5 6 7 8 9 10 F RV401 A 1 2 3 B C D E F TP10 MB 601 Board A side TP8 ...

Страница 244: ...r adjustment Reset switches and menu to the former positions 9 4 2 INPUT Level Adjustment Preparation SL1 SL8 ADA 44 OPEN Head room 20dB Put the unit into the EE mode MODE switch connector panel PB EE Put the unit into STOP mode CH 3 4 OUT switch connector panel LINE CAMERA LINE switches CH 1 through CH 4 connector panel LINE 60 20 4 dB switches CH 1 through CH 4 connector panel 4 dB AUDIO REC LEV...

Страница 245: ...V5 L 3 B ADA 44 2 Adjust the channnel 2 through 4 in the same way Test point TRIG slope Adjustment point CH 2 TP1002 J 2 B 1RV6 L 2 B CH 3 TP1001 J 2 B 1RV7 L 2 B CH 4 TP1001 J 2 B 1RV8 L 2 B DPR 62 Board A side 1 A B C D E F G H J 2 3 4 5 6 7 8 9 E1503 DPR 62 Board B side 1 A 2 3 4 5 6 7 8 9 B C D E F G H J TP1002 TP1400 ADA 44 Board B side 1 A B C D E F G H J K L M N P R 2 3 RV204 RV202 RV201 RV...

Страница 246: ... switch connector panel CUE Adjustment procedure 1 Insert an alignment tape ZR5 1 P and play back a 1 kHz 0 VU portion TIME 00 00 00 01 24 29 Equipment Audio Analyzer Test point AUDIO OUT CH 4 connector on the connector panel Adjustment point 1RV803 G 1 B EQ 54 Specification 4 0 0 2 dBm 600 Ω 2 Play back a 1 kHz 20 VU portion TIME 01 30 00 02 24 29 of the alignment tape Equipment Audio Analyzer Te...

Страница 247: ...he AUDIO IN CH 4 connec tor connector panel CUE REC switch connector panel ON MODE switch connector panel PB EE Adjustment procedure 1 Insert a blank tape and put into the REC mode 2 Equipment Audio noise meter Test point TP804 G 1 B EQ 54 GND TP805 G 1 B EQ 54 Adjustment point 1CV800 G 2 A or B EQ 54 Specification 18 1 mV rms 3 Equipment Oscilloscope Test point TP803 G 2 B EQ 54 Specification Che...

Страница 248: ...yzer Test point AUDIO OUT CH 4 connector on the connector panel Measure the 1 kHz CUE level A dBm 7 Inputs the following signal to the AUDIO IN CH 4 connector on the connector panel Test point AUDIO IN CH 4 connector on the connector panel Specification 10 kHz 4 0 0 1 dBu 8 Insert a blank tape and record the signal about 10 seconds 9 Play back the recorded portion and check that the specification ...

Страница 249: ...9 13 DVW 250 250P 9 4 Audio System Adjustment EQ 54 Board A side 1 2 3 4 A B C D E F G CV800 EQ 54 Board B side 1 A B C D E F G 2 3 4 RV800 TP804 CV800 ...

Страница 250: ...k 9 5 12 Alignment Tape Playback Channel Condition Check 9 5 13 Save the Adjustment Data Check as follows RV401 A 4 SST 3 Mechanical center click point Tracking control volume Tracking check How many times is this place reached Check the video head head to tape contact How many times is this place reached 9 5 14 Manual Adjustment START FINISH Was the drum replaced YES YES NG NG FINISH OK YES NO NG...

Страница 251: ... If the adjustment is finished without saving data data is returned to the former condition 9 5 RF System Adjustment SST 3 Board A side 1 A B C D E G H J 2 3 4 5 6 7 8 9 10 F S151 RV401 Notice in RF adjustment Care of video cassette tape Do not use same portion of an alignment tape ZR5 1 P about 50 times or more Do not use same portion of a blank tape about 10 times or more Do not use within about...

Страница 252: ... 54 TP102 B 2 B EQ 54 Adjustment point 1RV101 A 1 B EQ 54 Specification Make the cross point to straight line 9 5 1 RF Parameter Initialize 1 S151 6 F 1 SST 3 ON 2 Turn the power off and turn the power on again Initialize 1 3 S151 6 F 1 SST 3 OFF 4 Turn the power off and turn the power on again Initialize 2 5 On the DIAG menu set PAGE and ITEM as follows PAGE TEST RF A Ech 6 Check that the RF para...

Страница 253: ...re 1 Insert a blank tape and put the unit into the REC mode 2 A Ech Adjustment Equipment Frequency counter Test point TP105 A 3 B EQ 54 Adjustment point 1RV103 B 3 B EQ 54 Specification 33 08 0 02 MHz for NTSC Specification 32 51 0 02 MHz for PAL 3 Adjust the B F C G D H channels in the same way Test point Adjustment point B Fch TP205 C 3 B 1RV203 B 3 B C Gch TP305 D 3 B 1RV303 D 3 B D Hch TP405 E...

Страница 254: ...nt Adjustment procedure 1 Insert an alignment tape ZR5 1 P and put the unit into the PB mode 2 Turn 1CV100 A 2 B EQ 54 a little and increase the error flags of A Ech Check point TP12 C 3 MB 601 3 Turn 1CV200 B 2 B 1CV300 D 2 B and 1CV400 E 2 B in the same way 4 A Ech Adjustment Equipment Oscilloscope Test point TP12 C 3 MB 601 A C E Gch TP13 C 3 MB 601 B D F Hch TRIG TP11 D 3 MB 601 Adjustment poi...

Страница 255: ... B EQ 54 TRIG TP105 A 3 B EQ 54 Adjustment point 1CV100 A 2 B EQ 54 Specification A 0 2 ns 9 5 RF System Adjustment EQ 54 Board B side 1 A B C D E F G 2 3 4 TP405 TP305 TP205 TP105 RV104 TP204 TP304 TP404 CV100 CV200 CV300 CV400 RV100 RV200 RV300 RV400 RV304 RV404 RV204 TP104 4 Adjust the B F C G D H channels in the same way Test point TRIG Adjustment point B Fch TP204 C 3 B TP205 C 3 B 1CV200 B 2...

Страница 256: ...ication Only leftmost square on the LCD lights up Perform the manual adjustment of A Ech AMP data when the specification is not met Refer to 9 5 14 Manual Adjustment 7 Check the B F C G D H channels in the same way 8 Eject the tape 9 5 RF System Adjustment 9 5 8 Recording Current Adjustment Adjustment procedure 1 Insert a blank tape and put the unit into the REC mode 2 On the DIAG menu set PAGE an...

Страница 257: ...CUTING 4 When the automatic adjustment is completed the following message is indicated SET YES NO 5 Push the SET button on the front panel 9 5 RF System Adjustment 9 5 10 REC CONFI Channel Condition Check 1 Insert a blank tape and put the unit into the REC mode 2 On the DIAG menu set PAGE and ITEM as follows PAGE TEST RF A Ech Check the channel condition of A Ech Specification Only leftmost square...

Страница 258: ...h xx xx xx Ech xx xx xx EXIT Light up 9 5 RF System Adjustment 9 5 12 Alignment Tape Playback Channel Condition Check 1 Insert an alignment tape ZR5 1 P and put the unit into the PB mode 2 On the DIAG menu set PAGE and ITEM as follows PAGE TEST RF A Ech Check the channel condition of A Ech Specification Only leftmost square on the LCD lights up 3 Check the B F C G D H channels in the same way 9 5 ...

Страница 259: ...hange the AMP data of the nonconforming channels 10 Check the channel conditions REC CONFI Align ment Tape PB of the nonconforming channels Refer to sections 5 5 10 and 5 5 12 11 Repeat the steps 9 and 10 until the following specifica tion is met Spec Only leftmost square on the LCD lights up 12 Check the Self REC PB channel condition of the nonconforming channels Refer to section 5 5 11 Perform t...

Страница 260: ...0 2 C 4 B DIF 31 ON Before adjustment wait 10 minutes or more after the above steps are completed Adjustment procedure 1 Equipment Frequency counter Test point TP101 B 3 B DIF 31 Adjustment point 1RV100 B 3 B DIF 31 Specification 27 0 0 1 MHz 2 Equipment Frequency counter Test point TP301 A 4 B DIF 31 Adjustment point 1RV300 A 3 B DIF 31 Specification 27 0 0 1 MHz 3 Setting after adjustment Reset ...

Страница 261: ... PAGE and ITEM as follows PAGE VIDEO 2 ITEM VIDEO LEVEL 0 0 PAGE VIDEO 2 ITEM SDI OUT ON 9 7 1 Pedestal Level Adjustment Preparation Put the unit into EE mode CAMERA VIDEO SDI input select switch connector panel VIDEO VIDEO LEVEL knob connector panel Mechanical center Click position Inputs the composite video signal to the VIDEO IN connector on the connector panel Signal generator 75 Color bars Ad...

Страница 262: ...nector panel Signal generator 75 Color bars Adjustment procedure 1 Equipment Waveform monitor Test point VIDEO OUT 1 connector on the connector panel Adjustment point DIAG menu 2 On the DIAG menu set PAGE and ITEM as follows PAGE TEST PROC 2 VPR VR3 ITEM VIDEO IN 3 Adjust the level B to meet the following specification by pressing the UP and or DOWN button on the front panel A 714 7 mV p p for NTS...

Страница 263: ...VPR 12 Specification A 714 7 mV p p for NTSC A 700 7 mV p p for PAL For NTSC For PAL 2 Setting after adjustment Reset switches to the former positions MODE switch connector panel PB EE 9 7 4 INPUT SYNC Level Adjustment Preparation Put the unit into EE mode CAMERA VIDEO SDI input select switch connector panel VIDEO Inputs the composite video signal to the VIDEO IN connector on the connector panel S...

Страница 264: ......

Страница 265: ...eplacement 2 Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit These are because of parts common ality and improvement Parts list has the present standardized spare parts 3 Stock of Parts Parts marked with o at SP Supply Code column of the spare parts list may be not stocked Therefore the delivery date will be delayed Section 10 Spare Parts ...

Страница 266: ...2 R for PAL A 8269 263 A s UPPER DRUM DJR 11 R for NTSC 4 A 8269 264 B s DRUM DJH 12A R for PAL A 8269 262 B s DRUM DJH 11A R for NTSC 5 A 8269 452 A o ARM ASSY S 6 X 3949 109 1 s ROLLER ASSY AHC 7 X 3678 389 3 s S TEN ROLLER ASSY 8 1 454 334 61 s SOLENOID PLUNGER 9 1 454 607 21 s SOLENOID PLUNGER 10 3 172 003 01 s BELT DRIVING 11 8 825 779 72 s CTL HEAD PS244 21D 12 3 615 320 01 o CAP CR ...

Страница 267: ...o LINK ASSY T 103 X 3605 481 2 o SUB ASSY T ARM 104 X 3678 425 5 s ARM ASSY PINCH ROLLER 105 1 454 334 61 s SOLENOID PLUNGER 106 1 454 383 31 s SOLENOID PLUNGER 107 3 172 003 01 s BELT DRIVING 108 3 681 778 02 s BRUSH CUE 109 8 825 920 02 s HEAD AUDIO EPS244 2103J 110 8 835 440 01 s MOTOR DN20 Q7Z1B 111 8 835 534 01 s MOTOR DC SCV 0702A J N ...

Страница 268: ...RD TR 57 204 A 8276 926 A o MOUNTED CIRCUIT BOARD DET 26 205 A 8276 930 A o MOUNTED CIRCUIT BOARD ADA 44 206 A 8276 932 A o MOUNTED CIRCUIT BOARD CC 66 207 A 8276 934 A o MOUNTED CIRCUIT BOARD CP 260 for UC SY A 8276 936 A o MOUNTED CIRCUIT BOARD CP 260J for J 208 A 8276 938 A o MOUNTED CIRCUIT BOARD FU 63 209 A 8276 948 A o MOUNTED CIRCUIT BOARD KY 315 for NTSC A 8276 950 A o MOUNTED CIRCUIT BOAR...

Страница 269: ...10 B o MOUNTED CIRCUIT BOARD SST 3 for NTSC A 8276 912 B o MOUNTED CIRCUIT BOARD SST 3P for PAL 305 A 8276 914 A o MOUNTED CIRCUIT BOARD VPR 12 for NTSC A 8276 942 A o MOUNTED CIRCUIT BOARD VPR 12P for PAL 306 A 8276 922 A o MOUNTED CIRCUIT BOARD EQ 54 307 A 8276 928 A o MOUNTED CIRCUIT BOARD DIF 31 308 A 8276 944 A o MOUNTED CIRCUIT BOARD DPR 62 for NTSC A 8276 946 A o MOUNTED CIRCUIT BOARD DPR 6...

Страница 270: ......

Страница 271: ...des acquéreurs de l équipement décrit dans ce manuel Sony Corporation interdit formellement la copie de quelque partie que ce soit de ce manuel ou son emploi pour tout autre but que des opérations ou entretiens de l équipement à moins d une permission écrite de Sony Corporation Das in dieser Anleitung enthaltene Material besteht aus Informationen die Eigentum der Sony Corporation sind und ausschli...

Страница 272: ...Printed in Japan Sony Corporation 2001 6 08 B P Company 1995 DVW 250P SY DVW 250 UC E 3 188 730 03 ...

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