Sony HDCAM HDW250 Maintenance Manual Download Page 81

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Part No. SP Description

301

A-8269-732-D s CASSETTE COMPARTMENT ASSY

302

A-8321-338-A o MOUNTED CIRCUIT BOARD, MB-825

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A-8321-353-A o MOUNTED CIRCUIT BOARD, EQ-76

304

A-8321-354-A o MOUNTED CIRCUIT BOARD, SST-13

305

A-8321-709-A o MOUNTED CIRCUIT BOARD, DPR-125

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A-8321-710-A o MOUNTED CIRCUIT BOARD, VPR-53

307

A-8321-887-A o MOUNTED CIRCUIT BOARD, TX-68A

308

A-8321-889-A o MOUNTED CIRCUIT BOARD, RX-46A

309

A-8321-959-A o MOUNTED CIRCUIT BOARD, DCP-22

310

A-8322-042-A s POWER ASSY

311

1-767-156-11 s IC M4T28-BR12SH1

6-2. Exploded Views

Summary of Contents for HDCAM HDW250

Page 1: ...HD DIGITAL VIDEOCASSETTE RECORDER HDW 250 MAINTENANCE MANUAL Part 1 1st Edition Serial No 10001 and Higher ...

Page 2: ...den Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten dürfen nur von Personen ausgeführt werden die eine spezielle Befähigung dazu besitzen AVERTISSEMENT Ce manual est destiné uniquement aux personnes compétentes en charge de l entretien Afin de rédu...

Page 3: ...teries to your nearest point for collection recycling or proper disposal Note In some areas the disposal of nickel cadmium batteries in household or business trash may be prohibited RBRC Rechargeable Battery Recycling Corporation advises you about spent battery collection by the following phone number Call toll free number 1 800 822 8837 United States and Canada only Caution Do not handle damaged ...

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Page 5: ...g the Cassette Compartment 1 15 1 7 Removing and Reinstalling the Connector Panel 1 15 1 8 Replacing the Battery Terminal 1 16 1 9 Setting Switches and Slit Lands on the Boards 1 17 1 9 1 CP 337 Board 1 17 1 9 2 ADA 44 Board 1 19 1 9 3 DCP 22 Board 1 20 1 9 4 EQ 76 Board 1 21 1 9 5 SST 13 Board 1 22 1 10 Ejecting the Cassette Tape Manually 1 23 1 11 Cleaning when the Heads are Clogged 1 24 1 12 Tr...

Page 6: ...Cloth 5 2 5 2 2 Cleaning Procedure Using Cleaning Cassette Tape 5 2 5 2 3 Cleaning the Tape Running Surface of the Upper Drum and Video Heads 5 3 5 2 4 Cleaning the Tape Running Surface of the Lower Drum and Lead Surface 5 4 5 2 5 Cleaning the Stationary Heads 5 5 5 2 6 Cleaning the Tape Running System and Tape Cleaner 5 6 5 2 7 Cleaning the Fan Motor 5 7 5 3 Periodic Check 5 8 5 3 1 Hours Meter 5...

Page 7: ...it descriptions etc If this manual is required please contact your local Sony Sales Office Service Center Contents The following is a summary of all the sections for understanding the contents of this manual Section 1 Service Overview Explains the locations of main parts the functions of printed circuit boards how to remove and install the cabinet and measures against trouble Section 2 Error Messa...

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Page 9: ...e unit is operated continuously in its carrying case under the following conditions it may become hot In such cases do not remove the unit from the carrying case as this may result in burns or injury When the unit is forced to be operated under the following conditions use the unit after it is removed from the carrying case If necessary attach the shoulder strap In direct sunlight In a car on a ho...

Page 10: ...ignal Processor AD DA VR 194 Audio Rec Level Selector Preset Variable VR 206 Audio Rec Level Control VR 254 Phone Level Control DUS 173 Head Phone Connector SERVO KY 315 Panel Switches SYSTEM CONTROL CN 1752 TC IN OUT Connectors 6 TIMECODE SE 510 Sensor Casette Coding DET 36 Sensor Thread Unthread 8 DET 15 Cassette In Detector 2 TR 57 S Tension Detector POWER SUPPLY DC 85 DC Input Select Switch 3 ...

Page 11: ...rection Data Rate Converter Rec Current Control RF CUE EQ 76 RF Equalizer PB EQ PB Envelope Detector Rec Envelope Detector Cue Rec PB SERVO SST 13 Servo System Control Timecode IN OUT Buffer Rec PB Amp SYSTEM CONTROL Full Erase Channel Erase Oscillator TIMECODE CTL Rec PB Amp POWER SUPPLY PSW 67 Switching Driver PSW 68 Switching Driver PSW 69 PWM Power Control PSW 70 Connection OTHERS MB 825 Mothe...

Page 12: ...1 4 HDW 250 1 2 Locations of Main Parts and Circuit Configuration System Board name Function No SERVO CS 25 Cassette Up Down Detector SYSTEM CONTROL TIMECODE CS 26 Cassette Up Down Detector ...

Page 13: ...d S reel brake 2 Plunger solenoid Head cleaner 3 Video head cleaning roller AHC roller 4 Brush 5 Slip ring 6 Drum assembly 7 Upper drum 8 CUE brush 9 CUE TC head Plunger solenoid T reel brake Plunger solenoid Pinch roller T reel motor Capstan motor Threading motor T reel belt Pinch roller arm T reel table S reel table S reel belt FE head S reel motor CTL head ...

Page 14: ...1 6 HDW 250 1 2 Locations of Main Parts and Circuit Configuration Cassette compartment DC motor ...

Page 15: ...assette sensor This sensor detects whether the size of the inserted cassette is an L size cassette 6 L cassette REC INHIBIT sensor This is the REC inhibit plug sensor switch for large L size digital cassettes 7 8 9 Format ID sensors These sensors identify the format of the cassette tape inserted into the unit Cleaning tape recognition sensor This sensor recognizes whether the cassette tape inserte...

Page 16: ...tment Cassette in sensor This sensor detects whether a cassette is being insert ed Cassette up sensor Cassette down sensor These sensors detect the movement of the cassette compartment by the combination of ON OFF of the cassette down sensor cassette up sensor and cassette in sensor ...

Page 17: ...tching connector cable Name Sony part No VIDEO IN BNC 1 569 370 12 HD SDI IN HD SDI OUT REF IN ANALOG HD COMPONENT COMPOSITE TC IN TC OUT AUDIO IN CH 1 to CH 4 XLR 3P FEMALE 1 508 083 00 AUDIO OUT CH 1 to CH 4 XLR 3P MALE 1 508 084 00 DC IN 12V XLR 4P FEMALE 1 508 362 00 CAMERA 26P MALE ROUND TYPE REMOTE D SUB 9P MALE 1 560 651 00 JUNCTION SHELL 1 561 749 00 CAMERA REMOTE ROUND TYPE 8P MALE 1 766 ...

Page 18: ...etween _60 _20 and 4 dB high impedance balanced TC IN 0 5 to 18 Vp p impedance 10 kZ 10 DC IN 12 V 11 to 17 V OUTPUTS HD SDI OUT HD serial digital component including audio 4 channels SMPTE 292M BTA S 004B ANALOG HD HD analog component video 0 1 Vp p 75 Z Y PB PR unbalanced COMPONENT Conforming to BTA S 001 MONITOR OUT superimposing can be switched ON or OFF COMPOSITE Analog composite video 1 0 Vp...

Page 19: ...el _20 dBs 10 CH 1 MIC _ In Output impedance Low impedance 11 CH 1 CH 2 MIC shield In Input impedance High impedance 12 Not used 13 Not used 14 Not used 15 CH 1 MIC In Signal level _20 dBs 16 CH 1 MIC _ In Output impedance Low impedance 17 Spare Not specified 18 Loopback video signal Out Conforms to BTA S 001A 19 Loopback video signal shield Out Input impedance 75 Z 20 Audio monitor signal Out Sig...

Page 20: ...6 Receive Common 7 Receive B 8 Transmit A 9 Frame Ground ISR Pin No Signal 1 CD Carrier Detect 2 RXD Recieved Data 3 TXD Transmitted Data 4 DTR Data Terminal Ready 5 GND Signal Ground 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS Clear to Send 9 CI Calling Indicator DC IN XLR 4 pin male _ _ _ _ _ External view _ _ _ _ _ Pin No Signal 1 GND EXT DC 2 _ 3 _ 4 EXT DC IN CAMERA REMOTE 8 pin Female _...

Page 21: ...crews and move the top panel in the direction of the arrow to remove it Front Cover Remove the two screws B3 x 6 and remove the front cover Front Panel 1 Remove the front cover 2 While lifting up the C lock arm of the cassette compartment by fingers rotate the red gear in the direction of the arrow front panel side and slide the cassette compartment by about 10 to 20 mm Remove the two screws B3 x ...

Page 22: ...2 Remove the four screws B3 x 8 and remove the handle Bottom Panel 1 Remove the four screws B3 x 6 2 Disconnect the connector CN1 of the CN 1926 board that is installed on the bottom panel 3 Remove the bottom panel Left Panel 1 Remove the top panel handle front panel and battery case 2 Remove the cassette compartment Refer to Section 1 6 3 Remove the bottom panel 4 Remove the two screws B3 x 6 and...

Page 23: ...ector panel and the front panel Reattach the cassette compartment to the chassis so that the two cassette guide pins go through the round hole of the stage 1 7 Removing and Reinstalling the Connector Panel Removal 1 Remove the top panel handle front panel bottom panel battery case and cassette compartment Refer to Section 1 5 Removing and Reinstalling the Cabinet and Section 1 6 Removing and Reins...

Page 24: ...ews B2 6 x 5 Screws B2 6 x 5 Battery terminal Battery holder 1 8 Replacing the Battery Terminal 1 Remove the battery case Refer to Section 1 5 Removing and Reinstalling the Cabinets 2 Remove the two screws B2 6 x 5 and remove the battery holder 3 Remove the four screws B2 6 x 5 and replace the battery terminal ...

Page 25: ... dBu selectable by slit land setting Factory setting _60 dBu Audio Channel Ref No Input level dBu _ _ _ _ _60 _ _ _ _ _40 CH 1 SL101 SHORT OPEN CH 2 SL201 SHORT OPEN CH 3 SL301 SHORT OPEN CH 4 SL401 SHORT OPEN Sets the audio input level when the audio input level switch _60 _20 4 dB selectable on the connector panel is set to 4 4 0 or _3 dBu selectable by slit land setting Factory setting 4 dBu Au...

Page 26: ... dBm Audio Channel Ref No Output level dBm 600 Z Z Z Z Z 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 ...

Page 27: ...ry setting 20 dB Ref No Headroom dB 20 18 16 REC CH 1 SL1 OPEN SHORT OPEN SL2 OPEN OPEN SHORT REC CH 2 SL3 OPEN SHORT OPEN SL4 OPEN OPEN SHORT REC CH 3 SL5 OPEN SHORT OPEN SL6 OPEN 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 ...

Page 28: ...22 Board DCP 22 A SIDE Ref No Name Description Factory setting S100 1 74 MHz PLL Enable switch ON Normal use ON OFF Boundary ScanTest S100 2 27 MHz PLL Enable switch ON Normal use ON OFF Boundary ScanTest S100 3 PLD Programming Enable switch ON Normal use ON OFF Boundary ScanTest S100 4 Not used OFF ...

Page 29: ...CN911 CN305 1 9 4 EQ 76 Board EQ 76 A SIDE Ref No Name Description Factory setting S601 1 R P ENV switch Used during tape path adjustment OFF ON Enables the R P envelope detection and turn off the power of both the EQ 76 board and the drum OFF Normal use S601 2 _ Factory use OFF S601 3 _ Factory use OFF S601 4 _ Factory use OFF ...

Page 30: ... resetting SYSTEM CONTROL CPU _ S101 _ Factory use 1 3 ON 2 4 to 8 OFF S701 _ Factory use 1 to 3 OFF 4 ON SL500 _ OPEN IF block power supply control OPEN SHORT IF block is turned ON all the time SL600 _ OPEN 5 V of SYS and SV is opened OPEN SHORT 5 V of SYS and SV is shorted SL601 _ OPEN 5 V of longitudinal system and SV is opened SHORT SHORT 5 V of longitudinal system and SV is shorted SL602 _ OP...

Page 31: ...er and unplug the power cord from the unit 1 Remove the top panel Refer to Section 1 5 Remov ing and Reinstalling the Cabinets 2 Pull the reel brake release lever in the direction of the arrow and while pushing the manual eject gear red rotate it counterclockwise until the gear stops rotating to roll up the tape into the cassette When the tape cannot be rolled up pull the reel brake release lever ...

Page 32: ... clogging 1 12 Tracking Adjustment and Audio Meter Brightness Adjustment 1 12 1 Tracking Adjustment To adjust the tracking perform the following procedure 1 Perform the following operations in the setup menu Refer to Section 3 1 PAGE TRACKING ITEM AUTO TR OFF 2 Remove the screw and open the L SUB cover 3 Insert the screwdriver tip into the hole for tracking adjustment and adjust the tracking 1 12 ...

Page 33: ...1 13 Optional Accessories 1 13 1 Optional Accessories Carrying case HKDW 250 Battery BP L60A BP 90A AC adapter AC 550 AC DN2A Battery charger BC L100 Video cassette tape BCT HD series Camera remote controller RM B150 Memory label MLB 1B 100 ...

Page 34: ...ening Tool Installing the stop washer 13 J 6323 890 A Torque Cassette FWD back ten Adjusting the FWD back tension 14 J 6324 030 A Drum Eccentricity Adjustment 7 Adjusting the upper drum eccentricity 15 J 6325 110 A Torque Screwdriver Bit For M1 4 Tightening screws J 6325 380 A Torque Screwdriver Bit For M2 16 J 6325 400 A Torque Screwdriver Bit 3 kg cm 17 J 6325 530 A Drum Eccentricity Adjustment ...

Page 35: ...nd Oil NT 68 Mitsubishi diamond oil hydro fluid 50 ml 37 7 700 736 05 L Shaped Hex Wrench d 1 5 mm Removing screws 7 700 736 06 L Shaped Hex Wrench d 0 9 mm 38 8 960 076 01 Alignment tape HSR5 1A Adjusting the video audio system 8 960 076 11 Alignment tape HSR2 1A Adjusting the video tracking 39 9 911 053 00 Thickness Gauge Checking the clearance Commercially available Head Demagnetizer Demagnetiz...

Page 36: ...1 28 HDW 250 1 13 Optional Accessories 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 MW 935 ...

Page 37: ...unthreading is not completed within the specified time 0A THREAD UNTHREAD SENSOR It is detected that threading cannot be implemented 0B CASSETTE COMPARTMENT It is detected that threading cannot be implemented UP DOWN SENSOR 0C THREAD UNTHREAD AND It is detected that threading cannot be implemented UP DOWN SENSOR 10 HUMID Condensation is detected After the message disappears check that there is no ...

Page 38: ...ding or playback or editing NO CAM INPUT CAMERA INPUT is selected as the reference signal but no input signal is fed NO EXT REFERENCE A reference input signal has been set However no input signal is supplied to the selected reference input so that the unit operates on the internal reference signal NO LTC REPRODUCED LTC signal is not recorded on tape NO SDI INPUT SDI input is selected as the refere...

Page 39: ...3 Setting the ITEM Change the data of the selected setup item by pressing the UP or DOWN button Press the SET button to register and save the changed value 4 Exiting the setup menu Press the DISPLAY button several times Category item Setup item Display on LCD VTR CONTROL SERVO A V REFERENCE SELECT SV AV REF EXTERNAL REFERENCE SELECT EXT REF STILL TIMER STILL TMR SEARCH SPEED SEARCH FREEZE MODE FRE...

Page 40: ...TSC SETUP NTS SYNC PHASE NTSC SYNC NTSC FINE NTSC FINE NTSC AUDIO INPUT 1 2 INPUT 1 2 INPUT 3 4 INPUT 3 4 EMPHASIS EMPHASIS DOUBLE REC DOUBLE REC PB VOLUME PB VOLUME SYSTEM VIDEO TEST SG V TEST SG AUDIO TEST SG A TEST SG CAMERA POWER SUPPLY CAM POWER DISPLAY SELECT IN OUT SIGNAL IN OUT SIG INFORMATION INFORMATI ERROR LOG ERROR LOG RF CHECK RF CHECK CHANNEL CONDITION CHANNEL LOAD SAVE LOAD LOAD SAV...

Page 41: ...roma and burst VBS or the B W video signal VS that is input to the REFERENCE IN connector is selected as the reference signal of playback mode and audio signal recording mode STILL TMR STILL TIMER 0 5 sec The unit enters automatically the tape protection mode 5 sec when a specified time has elapsed after the unit enters the tape 10 sec stop mode stop mode or still picture mode of the SEARCH 20 sec...

Page 42: ...REC RUN INT Sets the type of time code signal that recorded on tape when the TAPE F RUN R RUN switch is set in R RUN INT The time code signal that is generated by the internal time code generator is recorded TAPE The time code signal that is played back from a tape is recorded EXT TC IN EXTERNAL TC IN TC IN Selects the source of time code when the internal time code SDI generator of the unit is lo...

Page 43: ...connectors and the select time data CTL COMPOSITE NTSC connector when the SUPERIMPOSE time data time data switch on the front panel time code setting block is set to the time data only ON position time data status Timer counter display information and operating status time data UB Timer counter display information and user s bit time data CTL Timer counter display information and CTL time data tim...

Page 44: ...ne in the range of 12th line to 20th line 20 line n The VITC signal can be inserted into the two positions by setting the sub menu item VITC POSITION 2 select VITC POSI2 VITC POSITION 2 12 line Selects a line the down converter output into which the VITC select signal is inserted 18 line It can be inserted into any line in the range of 12th line to 20th line 20 line n The VITC signal can be insert...

Page 45: ...e signal level of the HD video signal that is output from preset 100 4000 H the HD SDI OUT connector and the ANALOG HD COMPONENT 100 4000 H connector and also the signal level of the analog composite video signal that is output from the COMPOSITE 141 3 5A 70H connector The PR signal level is adjusted SETUP LEV SETUP LEVEL _10 0 Adjusts the black level of the HD SDI OUT connector the preset 0 ANALO...

Page 46: ...ze mode H CROP PS H CROP POSITION _120 Adjust the H crop Horizontal direction of the segment that is preset 0 extracted by the edge crop mode 0 120 SETUP NTS SETUP LEVEL 0 0 Adjusts the setup level of the analog composite signal that is NTSC output to the COMPOSITE connector Preset 0 IRE 7 5 10 0 SYNC NTSC SYNC PHASE _128 Adjusts the sync phase of the analog composite signal that is NTSC output to...

Page 47: ...urns off the emphasis DOUBLE REC DOUBLE OFF Selects whether or not to record the audio channels 1 and 2 REC ON signals into audio channels 3 and 4 at the same time OFF Channels 1 2 and 3 4 are used separately ON The same signal as channels 1 2 is recorded into channels 3 4 PB VOLUME PB UNITY Selects whether or not to adjust the playback level of the audio VOLUME VARIABLE output from the HD SDI OUT...

Page 48: ...video input output meter display by the DISPLAY button of display window operational buttons INFORMATI INFORMATION ON Sets whether or not to select the information display using the OFF DISPLAY button of display window operational buttons ON Selects the information display by the DISPLAY button of display window operational buttons OFF Not selects the information display by the DISPLAY button of d...

Page 49: ... camera which is connected to the CAMERA connector AUTO DIGI Communication is performed by the digital command 700 Communication is performed by the SONY Camera System 700 Control Protocol AUTO Communication is performed by the usable protocol that is detected automatically when a camera is connected SYSTEM Performs setting regarding system FREQUENCY FREQUENCY 59 94 Selects a field frequency of th...

Page 50: ...o select the desired PAGE When the desired PAGE is selected press the SET button Repeat this procedure until the desired ITEM is found 3 Selecting an ITEM Move the asterisk cursor using the UP or DOWN button to select the desired item When an item is selected press the SET button The setup value blinks 4 Setting the ITEM Change the data of the selected setup item by pressing the UP or DOWN button ...

Page 51: ... THREADING CH CONDITION RF CHECK CHANNEL VERSION SYS SV IF SN ALARM BATTERY MON BEEP ERROR LOG LOG CLEAR LOG ALL CLEAR CANCEL EDIT DISP MODE DISP TIME ERROR WARNING CONDITION DATE TEST PROC SYSTEM EE 525 TEST SG TTP SERVO CHECK INPUT CHECK TENSION PLUNGER MOTOR SENSOR ADJUST ADJUST NV RAM PATH CTL PHS REC TEST CUE E TEST ...

Page 52: ...tware version SYS VER System control IC IC110 SST 13 SV VER Servo IC IC615 SST 13 IF VER Camera interface IC IC509 SST 13 SN xxxxxx xx Serial No and destination SET KEY EXIT ALARM Setting the warnings and related items BATTERY xx xV Threshold voltage to issue the BATTERY NEAR END warning MON BEEP ON Warning sound to the monitor system ON Warning sound is issued OFF Warning sound is not issued ERRO...

Page 53: ...NING ON Warning indication by log ON Displayed OFF Not displayed CONDITION ON Condition indication by log ON Displayed OFF Not displayed Example When you want to check only the error items of the logs set ON to the ERROR only and observe the logs DATE XX XX XX Setting year month and day SET SET DISPLAY CANCEL Hours are set by the front time code setting block TEST Test menu PROC Tests the processo...

Page 54: ...or PLUNGER PINCH Checking the pinch roller F FWD button is pressed Operates Effective when the thread sensor is ON STOP button is pressed Returns to the original state S BRAKE Checking the S reel brake F FWD button is pressed Operates STOP button is pressed Returns to the original state T BRAKE Checking the T reel brake F FWD button is pressed Operates STOP button is pressed Returns to the origina...

Page 55: ... decreases STOP button is pressed Stops xxxx Hexadecimal data CAPSTAN Checking the capstan motor F FWD button is pressed Rotates in the clockwise direction Hexadecimal number increases REW button is pressed Rotates in the counterclockwise direction Hexadecimal number decreases STOP button is pressed Stops xxxx Hexadecimal data DRUM Checking the drum motor F FWD button is pressed Drum rotates Check...

Page 56: ...same phase as recording REC TEST OFF Sets the test signal OFF Normal condition 1A Ach 23 5 MHz B to Hch No signal 1AH A to Hch 23 5 MHz 2AG A C E Gch 11 7 MHz B D F Hch No signal 2AH A to Hch 11 7 MHz 3A Ach 2 9 MHz B to Hch No signal 3AE A Ech 2 9 MHz B to D F to Hch No signal CUE E TEST Tests the CUE ERASE OFF Normal operating mode ON Test mode EXIT ...

Page 57: ...R O MSG O Response Compatible ATN OPC O ATN CMDERR O ATN QRESP O Common Command Option Command Compatible UPLOAD TYPE O PIPE TYPE O M9PIN MLABEL ADDSEL ADDSUB SW X ATN X ATN PIPE TYPE O M9PIN MLABEL Sony Private Command Command Compatible SETUP O SETUP O SETUP O HRS O HELP TST O RDLOG TYPE D O CLRLOG TYPE O HELP LOG O DEVID device id O LDSW TYPE data X CHCOND O CHCOND ALRDY O RMCTL TYPE O DOWNLOAD...

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Page 59: ...RF signal that is supplied from the head drum is converted to the four channel serial PB data by the PB equalizer and the Viterbi decoder of the EQ 76 board The four channel serial PB data is input to the DE IC as they are where the data receives the inner correction first then receives the outer correction of both video and audio signals After corrections the video signal is sent to the HDEC IC w...

Page 60: ...0 board DC 12 V is up and down converted to the various DC voltages by the DC DC converter so that the various DC voltages are supplied to the respective circuits inside the unit and to the external camera and others Features of the DC DC converter are shown below The PWM switching regulator that has the high efficien cy is used as the converter When the output connectors are shorted by mistake al...

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Page 62: ...T LEVEL SELECT 60 20 4 INPUT LEVEL SELECT 60 20 4 INPUT LEVEL SELECT 60 20 4 MULTI PLEXER OUT PUT AMP SWITCH DCP 22 CC 82 GEN LOCK Y PR PB RET VIDEO MIC CH1 2 AUDIO CAMERA 12V HD SDI IN HD SDI OUT 525OUT REF SYNC IN 60 59 94 Y PR PB ADA 44 OUT PUT AMP OUT PUT AMP OUT PUT AMP OUT PUT AMP AUDIO CH1 IN AUDIO CH2 IN AUDIO CH3 IN AUDIO CH4 IN AUDIO CH1 OUT AUDIO CH2 OUT AUDIO CH3 OUT AUDIO CH4 OUT CP 3...

Page 63: ...25 REC AMP REC AMP REC AMP REC AMP PB AMP PB AMP PB AMP DRUM ASSY MPX DEC D A CONV EQ PLL VITERBI EQ PLL VITERBI EQ PLL VITERBI EQ PLL VITERBI REC AMP PB AMP CUE HEAD EQ 76 REC HEAD A REC HEAD E REC HEAD B REC HEAD F REC HEAD C REC HEAD G REC HEAD D REC HEAD H PB HEAD A PB HEAD E PB HEAD B PB HEAD F PB HEAD C PB HEAD G PB HEAD D PB HEAD H PB AMP Note SYSTEM EE2 mode for check Note SYSTEM EE1 mode ...

Page 64: ...AMP DET AMP DET AMP DRIVE AMP PB AMP REC CTL THREAD FG DET DET 15 THREAD DET UNTHREAD DET DET 26 MODE DET SW SE 510 CASSETTE UP SENSOR CASSETTE DOWN SENSOR CASSETTE IN SENSOR CS 25 SRAM 2M byte x 32 FLASH MEMORY 1M byte x 16bit NOVRAM 8K byte AND RTC FLASH MEMORY 512k x 8bit SRAM 128k byte x 8 DUAL PORT RAM 256byte SYSTEM CONTROL CPU SH7045 NEW CMD IF CPU H8 LTC READER GENERATOR SERVO CPU 1K byte ...

Page 65: ...TOR DRIVER CASSETTE COMPARTMENT MOTOR DRIVER EQ 76 VPR 53 AUDIO METER LED DRIVE KEY SCAN KEY DATA SHIFT REGISTER LCD CONTROLLER LCD KEY MATRIX KEY MATRIX H1004 FULL ERASE HEAD H1003 TC ERASE HEAD H1003 CUE ERASE HEAD PM1003 PINCH SOLENOID PM1002 S BRAKE SOLENOID PM1001 T BRAKE SOLENOID PM1004 HEAD SOLENOID M1001 DRUM MOTOR M1004 THREADING MOTOR DRUM FG DRUM PG M1002 CAPSTAN MOTOR CAPSTAN FG A CAPS...

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Page 67: ...usty area 1 Carefully clean off sand or dust from the unit 2 Clean the video heads upper and lower drums and stationary heads 3 Clean the tape running surfaces tape guides capstan shaft pinch roller etc 4 Clean the connector pins of the connector panel 5 Check that the unit operates normally recording or playback etc and does not produce noise or malfunction If the unit has a trouble contact your ...

Page 68: ...ing Cleaning Cassette Tape When the video head becomes dirty clean it as follows Be sure to use the specified cleaning cassette tape If a cleaning cassette tape other than the specified one is used the video heads may become worn or damaged Specified cleaning cassette tape BCT HD12CL Cleaning procedure 1 Insert the cleaning cassette tape BCT HD12CL into the opening for cassette tapes 2 The cassett...

Page 69: ...ng cloth moistened with cleaning fluid onto the video heads lightly and rotate the upper drum counterclockwise to clean 2 Touch the cleaning cloth moistened with cleaning fluid onto the tape running surface shaded por tion of the upper drum lightly and clean the tape running surface in the circumferential direction n Be sure to rotate the upper drum counterclockwise In addition clean the tape runn...

Page 70: ...ivalent Never use a metallic skewer Procedure 1 Run a bamboo stick or equivalent along the drum lead surface to remove magnetic powder and other materials as shown below m a Do not use a metallic skewer instead of a bamboo stock as doing so will damage the tape running surface b If magnetic powder is attached to the drum head surface it may adversely influence the tracking Remove any magnetic powd...

Page 71: ...ocedure 1 Clean the tape running surfaces of the FE head CTL head and CUE TC head in the vertical direction using the cleaning cloth moistened with cleaning fluid n If magnetic powder or other materials are attached to the head gaps of the FE head CTL head and CUE TC head an error may occur during recording or playback Remove any magnetic powder completely 2 After cleaning wipe the stationary head...

Page 72: ...ng Tools Cleaning cloth 3 184 527 01 Cleaning fluid 9 919 573 01 Procedure 1 Clean the tape running surface shaded portion of each guide described below and the edge of the tape cleaner using the cleaning cloth moistened with cleaning fluid S1 to S4 guides S5 tension regulator guide T1 to T4 guides capstan pinch roller c Never touch the tape cleaner with bare hands as the sharp edge of the tape cl...

Page 73: ...r from flowing the temperature inside the unit will rise and a trouble may occur Tools Swab Cleaning fluid 9 919 573 01 Vacuum cleaner Air Inlets of Bottom Panel and Fan Motor Procedure 1 Vacuum the air inlet of the fan motor to remove dust 2 Vacuum the air outlet of the fan motor to remove dust Fan Motor in the Left Panel Procedure 1 Remove the four screws and remove the fan cover 2 Clean the bla...

Page 74: ...Contents of display POWER ON Accumulated time of power on DRUM ROTATE Accumulated time of drum rotation The time in brackets indicates the accumulated time since resetting TAPE TRAVEL Indicates accumulated distance of tape running calculated from the running time The time in brackets indicates the accumulated time since resetting e g The tape travel counts 248 minutes for fast forwarding or rewind...

Page 75: ..._ R Pinch pressure A 8278 216 pinch roller plunger assembly 14 Reel motor S T _ _ _ _ _ R _ _ _ _ _ R Motor R432276751A 8 835 441 01 2 pcs 15 S T threading rail Replace every 10 000 times of threading S rail 3 691 360 T rail 3 691 344 16 Drawer arm S T Replace every 10 000 times of threading S arm assembly A 8269 452 T arm assembly A 8279 109 17 Intermittent gear Replace every 10 000 times of thre...

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Page 77: ...sed in the case of replacement 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 repair parts 3 Stock of Parts Parts marked with o at SP Supply Code column of the spare parts list may not be stocked Therefore the delivery date will be delayed ...

Page 78: ... 736 B s DRUM ASSY DHH 04A R 5 A 8269 452 A o ARM ASSY S 6 X 3949 109 1 s ROLLER ASSY AHC 7 A 8322 697 A s REGULATOR ASSY TENSION 8 1 454 334 51 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 6 5 9 12 8 11 7 2 1 3 4 10 6 2 Exploded Views 6 2 Exploded Views ...

Page 79: ...X 3605 481 1 o SUB ASSY T ARM 104 X 3678 425 5 s ARM ASSY PINCH ROLLER 105 1 454 334 51 s SOLENOID PLUNGER 106 A 8278 216 A o PLUNGER ASSY PINCH PRESSING 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 6 2 Exploded Views ...

Page 80: ...03 A 8276 948 A o MOUNTED CIRCUIT BOARD KY 315 204 A 8321 342 A o MOUNTED CIRCUIT BOARD DUS 173 205 A 8321 355 A o MOUNTED CIRCUIT BOARD CC 82 206 A 8321 356 A o MOUNTED CIRCUIT BOARD CP 337 207 A 8321 357 A o MOUNTED CIRCUIT BOARD FU 76 208 A 8321 358 A o MOUNTED CIRCUIT BOARD DET 36 201 203 202 204 205 208 206 207 6 2 Exploded Views ...

Page 81: ...NTED CIRCUIT BOARD EQ 76 304 A 8321 354 A o MOUNTED CIRCUIT BOARD SST 13 305 A 8321 709 A o MOUNTED CIRCUIT BOARD DPR 125 306 A 8321 710 A o MOUNTED CIRCUIT BOARD VPR 53 307 A 8321 887 A o MOUNTED CIRCUIT BOARD TX 68A 308 A 8321 889 A o MOUNTED CIRCUIT BOARD RX 46A 309 A 8321 959 A o MOUNTED CIRCUIT BOARD DCP 22 310 A 8322 042 A s POWER ASSY 311 1 767 156 11 s IC M4T28 BR12SH1 6 2 Exploded Views ...

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Page 83: ...de Sony Corporation 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 Die Sony Corporation untersagt ausdrücklich d...

Page 84: ...Printed in Japan Sony Corporation 1999 9 16 Broadcasting Professional Systems Company 1999 HDW 250 UC E 3 203 024 01 ...

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