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Toshiba D-VR41KF Service Manual Download Page 72

1-13-20

E9BA4SCD5

DVD Main 5/5 Schematic Diagram < DVD Section >

NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.

The order of pins shown in this diagram is different from that of actual IC101.
IC101 is divided into five and shown as IC101 (1/5) ~ IC101 (5/5) in this DVD Main Schematic Diagram Section.

1   NOTE:

Summary of Contents for D-VR41KF

Page 1: ...l describes replacement parts for the green product When repairing this green product use the part s described in this manual and lead free solder 2 For 1 and 2 see the next page FILE NO 810 200690GR DVD Video Recorder Video Cassette Recorder D VR41KF Published in Japan July 2007 GREEN SECAM PAL VCR REC DUBBING VCR DVD DVD VCR PROGRAM REC DVD REVISED 01 ...

Page 2: ...ent of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This product ...

Page 3: ...oting 1 10 1 Function Indicator Symbols 1 11 1 Block Diagrams 1 12 1 Schematic Diagrams BOARD s and Test Points 1 13 1 Waveforms 1 14 1 Wiring Diagram VCR Section 1 15 1 Wiring Diagram DVD Section 1 15 2 IC Pin Function Descriptions 1 16 1 Lead Identifications 1 17 1 Exploded Views 1 18 1 Mechanical Parts List 1 19 1 Electrical Parts List 1 20 1 Main Section I Specifications I Preparation for Serv...

Page 4: ...tput Front Panel AV3 Video input One RCA connector Input level 1Vp p 75 Ω S Video input One Mini DIN 4 pin jack Input level Y Iuminance 1Vp p 75 Ω C colour 300mVp p 75 Ω Audio input Two RCA connectors Input level 2Vrms Input impedance more than 10kΩ Rear Panel VHF UHF antenna input output terminal VHF UHF set 75 Ω Audio input output Two 21 pin scart jack AV1 AV2 Video input output Two 21 pin scart...

Page 5: ...ay from the pickup lens when the diode is turned on Do not look directly at the laser beam CAUTION Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Location Inside Top of DVD mechanism Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin Drive Mechanism Assembly Laser Be...

Page 6: ... especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before solder ing F Observe that the wires...

Page 7: ... 2 Leakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground powe...

Page 8: ...air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of the flat pack IC is fixed with glue to the BOARD when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the BOARD using tweezers Fig S 1 6 CAUTI...

Page 9: ...y one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of the flat pack IC is fixed with glue to the BOARD when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack I...

Page 10: ... Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the BOARD handle it gently because it may be damaged if force is applied 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the BOARD so you can install a replacement flat pack IC more...

Page 11: ... to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with your ...

Page 12: ...into the Deck Mechanism Assembly and press the PLAY button The tape will be loaded into the Deck Mechanism Assembly Make sure the power is on connect TP501 S INH to GND This will stop the function of Tape Start Sensor Tape End Sensor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sensors will stay valid See Fig 1 Note Because the Tape End Sensors are in...

Page 13: ... 2 S 4 6 BOARD Front Jack D3 Jack Plate Earth 7 DVD Mechanism DVD Main BOARD Assembly D4 2 S 5A 2 S 5B CN101 CN701 8 Dust Cover D4 9 Panel Rear Unit D5 3 S 6A 2 S 6B 3 S 7 S 8A S 8B CN1503 CN1504 1 Cover Top 2 Panel Front 4 Radiation Sheet 3 Front Bracket 5 Jack Bracket 6 BOARD Front Jack 7 DVD Mechanism DVD Main BOARD Assembly 9 Panel Rear Unit 10 BOARD Power Supply 11 Motor DC Fan 12 BOARD Holde...

Page 14: ...lling the Deck Assembly be sure to place the pin of LD SW on BOAD Main as shown in Fig D8 Then install the Deck Assembly while aligning the hole of Cam Gear with the pin of LD SW the shaft of Cam Gear with the hole of LD SW as shown in Fig D8 S 1 S 1 S 1 1 Cover Top Fig D1 L 1 S 2 S 2 S 3 L 2 L 1 L 1 2 Panel Front 3 Front Bracket 4 Radiation Sheet CN1505 Fig D2 Fig D3 S 4 Jack Plate Earth 5 Jack B...

Page 15: ...CN1503 CN1504 S 8A 9 Panel Rear Unit Fig D6 S 11 S 11 S 9 S 9 S 9 S 10 13 Panel Rear 10 BOARD Power Supply 12 BOARD Holder 11 Motor DC Fan Plate Earth Fig D7 S 13 S 13 S 13 S 14A S 15 S 16 S 14B S 14B S 14B S 14A S 12 14 Bracket R 15 VCR Chassis Unit ...

Page 16: ...SW From FE Head BOTTOM VIEW Lead connections of Deck Assembly and BOARD Main Desolder From Capstan Motor Assembly Printing side Desolder From Cylinder Assembly From ACE Head Assembly Lead with blue stripe Lead with blue stripe Desolder Lead with gray stripe S 17 S 18 Desolder Lead with blue stripe Fig D8 LD SW Pin Hole Hole Shaft Cam Gear 16 Deck Assembly Pin Desolder from bottom 19 BOARD Rear Jac...

Page 17: ...t to damage the gear 1 Remove the Cover Top 2 Rotate the gear in the direction of the arrow manually as shown below 3 Pull the tray out manually and remove a disc Fig D9 21 Deck Pedestal 22 Front Bracket R S 19 S 19 S 20 View for A Rotate this gear in the direction of the arrow A ...

Page 18: ...e DC AC 20MHz 2 Alignment Tape FL6A Head Switching Position Adjustment Purpose To determine the Head Switching position during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Reference Notes Playback the Alignment tape and adjust VR501 so that the V sync front edge of the CH1 video output wave form is at the 6 5H 1H 416μs 64μs delayed position fro...

Page 19: ...n the initializing is completed the DVD recorder exits the Version display mode and turns off the power automatically To move into the Normal mode from the Version display mode press RETURN button on the remote control instead of ENTER button When button is pressed before ENTER button is pressed the DVD recorder exits the Version display mode then the power turns off MODEL NAME FE VERSION BE VERSI...

Page 20: ...ribed as follows 5 After updating is finished the tray opens automatically At this time no button is available 6 Pull out the AC code once then insert it again Fig a Version Up Mode Screen Firmware Version differs depending on the models and this indication is one example Current F W version is displayed Firm Update Mode Please insert a disc ver W3T34280Z2B Fig b VFD in Version Up Mode Fig c Updat...

Page 21: ...nce that the rectifying diode or circuit is shorted in each rectifying circuit of secondary side and service it if defective FLOW CHART NO 3 When the output voltage fluctuates No Yes Does the secondary side photo coupler circuit operate normally Check the circuit and service it if defective IC1001 D1006 D1012 D1024 Check the circuit and service it if defective IC1001 Q1004 D017 D1019 FLOW CHART NO...

Page 22: ... pulse inputted to the base of Q1518 Check D016 D1032 L013 C017 C018 and their periphery and service it if defective Check R1523 and their periphery and service it if defective FLOW CHART NO 7 P ON 9V is not outputted P ON 44V is outputted normally Is 12V voltage supplied to the collector of Q1515 Replace Q1515 No Yes Yes Check C014 D014 D017 L010 C015 and their periphery and service it if defecti...

Page 23: ...oximately 500kHz oscillation to Pin 5 of IC612 Are the filament voltage applied between Pin 1 and Pin 24 of the fluorescent display tube Also negative voltage applied between these pins and GND Replace the fluorescent display tube FL601 Check the EV 5V line and service it if defective Check the FL line and service it if defective Check R618 IC612 and their periphery and service it if defective Che...

Page 24: ... remote control receiver and Pin 14 of IC501 and service it if defective Is the L pulse sent out from Pin 1 terminal of the RM1501 remote control receiver when the remote control unit is activated Is the L pulse signal supplied to Pin 14 of IC501 Replace IC501 or DVD MECHANISM DVD MAIN BOARD ASSEMBLY Yes Yes Replace IC501 or DVD MECHANISM DVD MAIN BOARD ASSEMBLY Yes Is 5V voltage supplied to Pin 3...

Page 25: ...FLOW CHART NO 6 Picture does not appear normally In the RGB Component video output JK1501 JK1502 Yes Yes No Is 12V voltage supplied to Pin 2 4 of IC1518 No No IC1518 1PIN VIDEO IN AV1 IC1518 3PIN VIDEO IN2 AV2 IC1518 28PIN TUNER VIDEO IC1507 12PIN TUNER LINE VIDEO IC1507 15PIN FRONT Y IN IC1507 4PIN FRONT C IN IC1507 10PIN FRONT VIDEO IN Check the line between each pin of IC1507 and each pin of CN...

Page 26: ...2PIN VIDEO C OUT Check the line between each pin of IC1515 and each pin of CN1502 and service it if defective IC1515 3PIN CN1502 30PIN VIDEO Y I OUT IC1515 1PIN CN1502 22PIN VIDEO C OUT Are the video signals inputted to each pin of IC1515 No IC1515 3PIN VIDEO Y I OUT IC1515 8PIN VIDEO C OUT Are the video signals outputted to each pin of IC1515 IC1515 5PIN VIDEO Y I OUT IC1515 7PIN VIDEO C OUT IC15...

Page 27: ...EO Cr Pr OUT IC1510 1PIN VIDEO Cb Pb OUT IC1509 2PIN VIDEO Y I P OUT IC1509 12PIN VIDEO Cr Pr OUT IC1509 5PIN VIDEO Cb Pb OUT IC1509 1PIN VIDEO G IN IC1509 13PIN VIDEO R IN IC1509 3PIN VIDEO B IN Output to JK1502 IC1510 12PIN VIDEO Y I P OUT IC1510 5PIN VIDEO Cr Pr OUT IC1510 2PIN VIDEO Cb Pb OUT Is 5V voltage supplied to Pin 16 of IC1510 Is 5V voltage supplied to Pin 7 of IC1510 No Replace IC1510...

Page 28: ...T IC1516 8PIN IC1510 3PIN VIDEO Cr Pr OUT IC1516 6PIN IC1510 1PIN VIDEO Cb Pb OUT Are the video signals inputted to each pin of IC1516 and each pin of IC1514 Output to JK1501 IC1516 3PIN VIDEO Y I P OUT IC1516 8PIN VIDEO Cr Pr OUT IC1516 6PIN VIDEO Cb Pb OUT Output to JK1502 IC1514 6PIN VIDEO Y I P OUT VIDEO G IN IC1514 8PIN VIDEO Cr Pr OUT VIDEO R IN IC1514 1PIN VIDEO Cb Pb OUT VIDEO B IN Check t...

Page 29: ...Yes Yes Yes No Rear or Front input No Tuner Replace IC1506 No No No Check the line between Pin 5 14 of IC1501 and audio input terminal JK1202 JK1203 and service it if defective No IC1518 AUDIO IN1 AV1 10 16PIN IC1518 AUDIO IN2 AV2 8 14PIN IC1518 TUNER AUDIO 20 24PIN Are the audio signals inputted to each pin of IC1501 IC1501 TUNER AUDIO AUDIO IN1 2 1 12PIN IC1501 AUDIO IN F FRONT 5 14PIN IC1518 JK...

Page 30: ...C1508 and each pin of IC1518 and service it if defective IC1508 15PIN IC1518 6PIN AUDIO L OUT IC1508 14PIN IC1518 12PIN AUDIO R OUT No IC1518 21 25PIN AUDIO OUT 1 AV1 IC1518 22 26PIN AUDIO OUT 2 AV2 Are the analog audio signals outputted to each pin of IC1518 Yes No No No No Check the periphery between Pin 22 26 of IC1518 and the audio terminal JK2001 and service it if defective No Check the perip...

Page 31: ...3PIN AUDIO R OUT Are the analog audio signals inputted to each pin of IC1508 Yes No Yes No No Do Pin 26 29 of IC501 become H level If Pin 26 of IC501 become L level replace DVD MECHANISM DVD MAIN BOARD ASSEMBLY If Pin 29 of IC501 become L level replace IC501 Replace the DVD MECHANISM DVD MAIN BOARD ASSEMBLY Check the P ON 10V line and service it if defective Replace IC1513 Yes No Is 10V voltage su...

Page 32: ...dio signals outputted to the audio terminal JK1505 Yes IC1518 21 25PIN AUDIO OUT 1 AV1 IC1518 22 26PIN AUDIO OUT 2 AV2 Are the analog audio signals outputted to each pin of IC1518 No No Check the periphery between Pin 22 26 of IC1518 and the audio terminal JK2001 and service it if defective No Check the periphery between Pin 1 7 of IC1513 and the audio terminal JK1505 and service it if defective N...

Page 33: ...EW VCR PLAY CH DOWN STOP EJECT Terminal voltage of IC501 7 8 KEY 1 IC501 7 V Replace the RM1501 remote control receiver Replace remote control unit if need Check the line between the RM1501 remote control receiver and Pin 14 of IC501 and service it if defective Replace IC501 Is the L pulse sent out from Pin 1 terminal of the RM1501 remote control receiver when the remote control unit is activated ...

Page 34: ...it if defective While the Takeup Reel is rotating is the reel pulse signal inputted to Pin 80 of IC501 While the reel pulse signal is inputting is L pulse outputted to Pin 81 of IC501 Is the specified voltage approximately 13V outputted to the terminal of the Lading Motor Unit When loading a cassette tape does the LD SW operate normally When loading a cassette tape is the specified voltage approxi...

Page 35: ...d service it if defective Check the P ON 5V line and service it if defective Check the line between Pin 8 of CN502 and Pin 77 of IC501 and service it if defective Replace IC501 No No No No No No No No No No No Yes Yes Yes Is 5V voltage supplied to Pin 2 of CN502 Is the drum PG FG signal inputted to Pin 90 of IC501 Is the drum PG FG signal inputted to Pin 90 of IC501 Is 12V voltage supplied at Pin ...

Page 36: ...defective Yes Check the AL 5V 1 and AL 5V line and service it if defective Replace IC1508 Yes No Is 5V voltage supplied to Pin 1 of IC1508 Is 5V voltage supplied to Pin 7 of IC1508 Yes Continued to E on the next page FLOW CHART NO 10 Video E E does not appear Is the video signal inputted to Pins 48 of IC301 Check the line between Pin 20 of IC1507 and Pin 48 of IC301 and service it if defective Yes...

Page 37: ...o Check the AL 12V 1 line and service it if defective Replace IC1518 Yes No Are the audio signals inputted to each pin of IC1518 Check the line between audio input terminal and each pin of IC1518 and service it if defective Check the line between Pin 1 12 of IC1501 and Pin 23 27 of IC1518 and service it if defective Are the audio signals outputted to Pin 23 27 of IC1518 Yes Yes Yes Yes No Rear or ...

Page 38: ... 36 46 55 of IC451 or the 9V voltage supplied to Pin 69 of IC451 Is the serial data and the clock signal supplied to Pin 37 38 of IC451 Is the audio signal outputted to Pin 74 76 of IC451 Is the audio signal inputted into Pin 2 12 of IC1508 Is the audio signal outputted to Pin 14 15 of IC1508 Is the audio signal supplied to Pin 4 50 of IC451 Yes Yes Yes Yes Yes Yes No No No No No No No No Check th...

Page 39: ... to Pin 100 of IC301 Yes Yes Replace ACE head assembly Yes Yes No No No No Check the Hi Fi H SW line between Pin 39 of IC451 and Pin 19 of IC501 and service it if defective Check the line between Pin 78 of IC451 and Pin 13 15 17 of IC301 and service it if defective Check the Bias oscillation circuit Q401 Q403 Q404 Q405 Q406 and service it if defective Replace IC451 Replace IC451 No Replace IC301 N...

Page 40: ...of ACE head assembly Is the audio signal supplied to Pin 5 of IC301 Replace IC301 Is the audio signal outputted to Pin 11 of IC301 Check the line between Pin 11 of IC301 and Pin 80 of IC451 and service it if defective Service and replace poor parts Readjust the height of the ACE head assembly Clean the surface of ACE head assembly Yes Yes Is the height of ACE head assembly appropriate Yes Replace ...

Page 41: ...VE When reel or capstan mechanism is not functioning correctly A R is displayed on a TV screen Refer to Fig 1 When tape loading mechanism is not func tioning correctly A T is displayed on a TV screen Refer to Fig 2 When cassette loading mechanism is not functioning correctly A C is displayed on a TV screen Refer to Fig 3 When the drum is not working properly A D is displayed on a TV screen Refer t...

Page 42: ...dable 14 Cannot write the data after recovering SMALL VMGI 15 Cannot write the data after DVD R Reverse Track 16 An error occurs in Finalize Close 17 An error occurs in Rec Stop Close 18 An error occurs in PCA Full DVD_R 19 Safety Stop occurs during editing 20 High Speed Disc 2 21 The disc is not formatted 5 22 Disc Error has occurred 3 23 The R Disc of VR Mode 6 24 The disc except DVD R RW or fin...

Page 43: ...e is not space to record field of control information 10 You cannot record on the disc as Power Calibration Area is full Insert a new disc 35 PCA is Full in REC start 4 This disc is already finalized Release the finalizing for this disc 36 It is finalized Video Format Disc 6 Can not record on this disc Repeat the same operation 37 Access to Memory Area range outside 38 Sector Address is wrong 39 B...

Page 44: ... LED DVD LED VCR LED 1G 7G a i 68 DRV CLK 70 DRV STB DRV DIN DRV CLK DRV STB 69 7 1 3 2 20 28 42 36 8 9 IIC BUS SCL D V SYNC D REC H RF SW H A SW TRICK H C ROTA IIC BUS SDA H A COMP V ENV DVD AUDIO MUTE2 DVD SCART AUDIO MUTE 30 SECAM H C SYNC TRICK H SECAM H C SYNC IIC BUS SCL LD SW 9 AL 5V SW507 LD SW AL 5V D555 S LED TP501 RM1501 SENS INH IC501 SERVO SYSTEM CONTROL IC612 FIP DRIVER AUDIO MUTE 2 ...

Page 45: ...CUS PICK UP SLED MOTOR M REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL D A BOARD ENCODER LPC CN1001 CN701 CN1003 SPINDLE MOTOR M CN1002 BOARD RELAY CN301 3 3V IC701 VIDEO DECODER DECODER A D 45 50 Y2 AA4 AB1 AB4 DECODER A D 39 44 V3 Y3 W1 Y4 W2 AA3 10 13 VIDEO Y I P OUT 24 VIDEO Y I OUT 30 VIDEO C OUT 22 VIDEO C IN 8 VIDEO Cb Pb OUT 28 VIDEO Cr Pr OUT 26 VIDEO Y CVBS IN 10 IC80...

Page 46: ...DEO SIGNAL PROCESS HEAD AMP IC501 OSD VCR VIDEO VCR VIDEO DUB VCR DVD DUBBING DVD VIDEO DUB PB EE VIDEO REC VIDEO SIGNAL SERIAL DECORDER 48 50 50 52 96 95 94 93 90 89 88 87 CHARA INS CCD 1H DELAY SP BYPASS DVD VCR AGC P R R Y C P R P R P EP Y DELAY Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 29 28 69 68 46 43 84 83 71 62 70 D REC H 80 TP301 C PB WF2 BOARD MAIN TP504 RF SW WF1 X301 ...

Page 47: ... CN1505 2 2 FRONT Y IN 1 1 FRONT C IN 4 4 FRONT VIDEO IN CN1201 Q1520 BUFFER Q1521 BUFFER VIDEO SW1 IC1518 VIDEO INPUT SELECT IC1508 SW 29 33 32 28 1 3 5 30 31 6dB AMP CONTROL LOGIC SW CTL 6dB AMP DRIVER BUFFER DRIVER JK1502 20 VIDEO IN 20 CL2001 CN1507 VIDEO IN2 10 10 BOARD REAR JACK BOARD FRONT JACK JK2001 VIDEO IN2 VIDEO OUT2 VIDEO OUT1 DVD VIDEO PB EE VIDEO VCR VIDEO TO VIDEO OUTPUT SELECT BLO...

Page 48: ...R 5 4dB AMP 2dB AMP LPF DRIVER 6 8dB AMP 6dB DRIVER 4dB AMP 2dB AMP LPF DRIVER 3 1 7 13 4dB AMP 2dB AMP LPF DRIVER 11 4dB AMP 2dB AMP LPF DRIVER 6 10 4dB AMP 2dB AMP LPF DRIVER 8 1 15 15 1 2 4 9 10 11 3 5 IC1509 SW SW CONTROL Q1524 Q1528 Q1531 Q1530 Q1529 P ON 3 3V RGB THROUGH I P SW Q1533 CN1507 CN1507 14 12 13 15 2 1 4 9 10 11 5 3 VIDEO G IN 3 13 8 8 VIDEO B IN 2 12 VIDEO R IN 4 14 16P 1 11 11 1...

Page 49: ...C ON AUDIO HD SW CONTROL MUTE 11 6 PB ON SP LP ON P TUNER IN2 IN1 R ALC DET ALC IC301 AUDIO SIGNAL PROCESS 15 13 17 4 AUDIO PB REC CN504 3 A COM 1 AE H 2 AE H FE H AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD 2 FE H 1 FE H GND CN501 BOARD MAIN PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 71 AUDIO MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK DIAGRAM FULL ERASE HEAD 68 69 SE...

Page 50: ...VCR FRONT L CH VCR TU IN1 2 TU IN1 2 FRONT R CH SW CTL SW CTL OP AMP IC1513 SW IC1508 OP AMP OP AMP 2 6 1 7 TO SERVO SYSTEM CONTROL BLOCK DIAGRAM TO Hi Fi AUDIO BLOCK DIAGRAM WF8 Q1537 Q1507 MUTE ON Q1538 MUTE ON Q2002 Q2004 MUTE ON Q2003 Q2005 MUTE ON IF SINAL PROCESS BOARD AFV BOARD REAR JACK CN1506 CN1507 CN2001 CN1 6 6 6 AUDIO L IN F 8 8 AUDIO R IN F CN1505 CN1201 JK2001 AUDIO R IN2 AUDIO L OU...

Page 51: ...4 27 N A REC DVD AUDIO R DVD VCR DUBBING VCR AUDIO R DVD AUDIO L VCR AUDIO L LIM 80 N A PB Hi Fi H SW AUDIO MUTE 2 A MODE TO AUDIO BLOCK DIAGRAM TO AUDIO INPUT OUTPUT SELECT BLOCK DIAGRAM TO AUDIO INPUT OUTPUT SELECT BLOCK DIAGRAM IIC BUS SDA PB EE AUDIO L PB EE AUDIO R IIC BUS SCL TO SERVO SYSTEM CONTROL BLOCK DIAGRAM BOARD MAIN Hi Fi AUDIO R 7 Hi Fi COM 8 Hi Fi AUDIO L 9 CN251 IC451 Hi Fi AUDIO ...

Page 52: ...L052A CL052B 2 AL 30V 4 AL 3V 6 AL 4V 9 F1 8 2 4 6 9 8 F2 TO PIN 75 OF IC501 TO PIN 32 OF IC501 TO PIN 84 OF IC501 PWR SW TO PIN 41 OF IC501 REG CONT TO PIN 42 OF IC501 IC1505 3 3V REG IC1504 2 5V REG BOARD JUNCTION CN051A 1 3 10 5 8 8 5 1 3 10 12 14 16 19 18 12 14 16 19 18 FL DVD P ON 3 3V FAN CONT1 TO PIN 11 OF IC501 EV 5V DVD P ON 5V Q1510 Q1519 Q1501 Q1502 CN1501 CN1503 SW 5V Q1513 Q1512 SW 5V...

Page 53: ... parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattag...

Page 54: ...acement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications for PLAY and REC modes on the schematics are as shown below 5 How to read converged lines 6 Test Point Information 2 3 1 5 0 2 5 PLAY mode STOP mode 5 0 The same voltage for both PLAY STOP modes Indicates that the voltage is not consistent here DVD Section 2 3 1 5 0 2 5 PLAY...

Page 55: ...1 13 3 E9BA4SCM1 Main 1 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 56: ...b a b a b a b a b FL601 MATRIX CHART REPEAT PM REC VCD VCR DVD R XP SP LP EP SLP P SCAN SEP W CD T C 5G 4G 3G 2G 1G 7G 6G a d g h h g c b e f REPEAT PM REC VCD VCR DVD R XP SP LP EP SLP P SCAN SEP W CD T C Main 2 10 Power Switch Function Sensor Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 57: ...1 13 5 E9BA4SCM3 Main 3 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 58: ...1 13 6 E9BA4SCM4 Main 4 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 59: ...1 13 7 E9BA4SCM5 Main 5 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 60: ...1 13 8 E9BA4SCM6 Main 6 10 Front Jack Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 61: ...1 13 9 E9BA4SCM7 Main 7 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 62: ...1 13 10 E9BA4SCM8 Main 8 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 63: ...1 13 11 E9BA4SCM9 Main 9 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 64: ...1 13 12 E9BA2SCM10 Main 10 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 65: ...all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal CAUTION For continued protection against fire hazard replace only with the same type fuse NOTE BOARD MEANS PRINTED CIRCUI...

Page 66: ...1 13 14 E9BA4SCRJ Rear Jack Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 67: ...1 13 15 E9BA4SCAFV AFV Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 68: ...agram DVD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD The order of pins shown in this diagram is different from that of actual IC101 IC101 is divided into five and shown as IC101 1 5 IC101 5 5 in this DVD Main Schematic Diagram Section 1 NOTE ...

Page 69: ...agram DVD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD The order of pins shown in this diagram is different from that of actual IC101 IC101 is divided into five and shown as IC101 1 5 IC101 5 5 in this DVD Main Schematic Diagram Section 1 NOTE ...

Page 70: ...agram DVD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD The order of pins shown in this diagram is different from that of actual IC101 IC101 is divided into five and shown as IC101 1 5 IC101 5 5 in this DVD Main Schematic Diagram Section 1 NOTE ...

Page 71: ...agram DVD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD The order of pins shown in this diagram is different from that of actual IC101 IC101 is divided into five and shown as IC101 1 5 IC101 5 5 in this DVD Main Schematic Diagram Section 1 NOTE ...

Page 72: ...agram DVD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD The order of pins shown in this diagram is different from that of actual IC101 IC101 is divided into five and shown as IC101 1 5 IC101 5 5 in this DVD Main Schematic Diagram Section 1 NOTE ...

Page 73: ...SENSOR Top View BHF300F01012B BHF300F01012A NOTE BOARD MEANS PRINTED CIRCUIT BOARD TO BOARD SENSOR END SENSOR SW P VR501 TP301 WF2 C PB CTL TP503 TP504 RF SW JK1 V OUT J236 WF3 S INH TP501 TO BOARD SENSOR START SENSOR WF1 BE9B00F01015A ...

Page 74: ... OF CN1502 WF5 PIN 28 OF CN1502 WF6 PIN 24 OF CN1502 WF8 PIN 14 OF CN1502 WF7 PIN 22 OF CN1502 WF4 WF10 PIN 28 OF CN1501 WF9 PIN 6 OF IC1515 BOARD MAIN Bottom View BE9B00F01015A NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 75: ...1022B BOARD JUNCTION Top View BOARD JUNCTION Bottom View BOARD FUNCTION Top View BOARD FUNCTION Bottom View BOARD FRONT JACK Top View BOARD FRONT JACK Bottom View BOARD POWER SWITCH Top View BOARD POWER SWITCH Bottom View NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 76: ...voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common termina...

Page 77: ...d voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F1001 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common termi...

Page 78: ...1 13 26 BOARD REAR JACK Top View BOARD REAR JACK Bottom View BE9B00F01022C BOARD AFV Top View BOARD AFV Bottom View BE6800F01091 NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...

Page 79: ...s WF10 Pin 28 of CN1501 WF6 Pin 24 of CN1502 VIDEO Y 0 2V 20μs WF7 Pin 22 of CN1502 VIDEO C 0 2V 20μs WF9 Pin 6 of IC1515 VIDEO CVBS 0 5V 20μs WF2 WF3 UPPER WF1 WF1 LOWER J236 TP504 UPPER LOWER TP504 TP301 V OUT 0 5V 50μs RF SW 5V C PB RF SW 5V 5ms 0 2V WF3 J236 V OUT E E 0 2V 20μs NOTE Input COLOR BAR SIGNAL WITH 1KHz AUDIO SIGNAL 1 14 1 W3PWF ...

Page 80: ... 1 VIDEO R 1 AL 16V 12V P ON 5V DECK C F R C FG C CONT GND LM FWD REV D CONT D PFG GND AL 12V 2 P ON 15V FE H GND FE H AE H AE H FE H A COM AUDIO PB REC CTL CTL F1 19 GND 17 AL 4V 16 GND 15 AL 3V 14 GND 13 AL 30V 12 GND 11 AL 16V 10 GND 9 AL 5V 8 NU 7 GND 6 FAN AL 12V 5 GND 4 AL 12V 3 F2 18 2 GND AL 44V 1 CL2001 CL2002 CN1507 VIDEO R IN 4 14 VIDEO G IN 3 13 VIDEO B IN 2 12 16P 1 11 VIDEO IN2 10 10...

Page 81: ...M SLED MOTOR DVD MAIN BOARD 1 11 DVD MECHANISM DVD MAIN BOARD ASSEMBLY 10 GND CN1001 9 10 HW 10 9 HW CN301 1 18 W 2 17 V 4 15 VCC 5 14 HU 6 13 HU 7 12 HV 8 11 HV 11 8 VH 12 7 T SCN3 13 6 T SCN2 14 5 GND 15 4 SL 16 3 SL 17 2 SW1 3 16 U 1 2 3 10 9 4 5 6 7 8 16 11 12 13 14 15 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 3 19 20 21 22 23 24 25 26 27 28 29 30 GND...

Page 82: ... Select Signal 24 OUT VIDEO SW3 Video Input Select Signal 25 OUT REG CONT2 Power Regulator Control Signal 26 OUT DVD AUDIO MUTE DVD Audio Mute Control Signal 27 OUT RGB THROUGH SCART 2 RGB Through Control Signal 28 OUT AUDIO MUTE 2 Audio Mute Control Signal 29 OUT DVD AUDIO MUTE2 DVD Audio Mute Control Signal 30 OUT DVD SCART AUDIO MUTE DVD SCART Audio Mute Control Signal 31 IN REC SAF SW Recordin...

Page 83: ...t Used 74 NU Not Used 75 OUT P ON H Power On Signal to High 76 OUT C CONT Capstan Motor Control Signal 77 OUT D CONT Drum Motor Control Signal 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H 79 IN S REEL Supply Reel Rotation Signal 80 IN T REEL Take Up Reel Rotation Signal 81 OUT LM FWD REV Loading Motor Control Signal 82 OUT OUTPUT SELECT Output Select 83 OUT VCR AUDIO MUTE Audio Mu...

Page 84: ...nput 9 IN STB Serial Interface Strobe 10 NU Not Used 11 NU Not Used 12 VSS GND 13 VDD Power Supply 14 NU Not Used 15 NU Not Used 16 NU Not Used 17 NU Not Used 18 NU Not Used 19 NU Not Used 20 OUT c Segment Output 21 b 22 a 23 d 24 e 25 f 26 i 27 h 28 g 29 NU Not Used 30 VEE Pull Down Level 31 NU Not Used 32 NU Not Used 33 NU Not Used 34 NU Not Used 35 NU Not Used 36 OUT 7G Grid Output 37 6G 38 5G ...

Page 85: ... 51 M3776AMCH AE8GP LA71750EM MPB E 16 9 8 TC4053BF EL N F CD4052BPWR 1 PT204 6B 12 E C B1 E B2 C1 C2 RN1511 TE85R F KRC103S RTK P KTC3875S GR Y RTK P KTC3879 Y RTK P C B E 60 LA72648M MPB E 21 40 41 20 1 80 61 8 5 4 1 MM1636XWRE 2SC1815 Y TE2 F T KTA1273 Y AT P KTA1281Y AT P KTC3198 Y AT P KTC3203 Y AT P KTC3205 Y AT P 16 9 8 1 MM1637XVBE 1 2 3 4 PQ070XF01SZH 24 13 12 LC74793NJM TLM E MM1697AJBE ...

Page 86: ... 2L033 2L033 2B74 2L066 C 2L111 2L022 2L021 2L054 2L052 JW001 2L017 2L017 2L017 2L017 2L017 2B1 2L014 2L061 2L015 E E D 2L015 2B11 2B13 A34 C A1X JW002 JW103 JW1001 2L019 F1001 FM1001 2B18 JW1002 JW102 JW101 RM1501 2B16 2B17 2B46 BOARD Main BOARD Function BOARD Front Jack BOARD Rear Jack BOARD Junction BOARD Power Supply BOARD Power Switch BOARD Sensor BOARD Sensor JW2001 2B59 2L110 2L111 A B 2L03...

Page 87: ...1 18 2 E9BA4PEX Packing X1 X9 X3 X22B X20B X22 X20A ...

Page 88: ...W C TIGHT M3X6 E5610UD 2L017 0VM413320A SCREW S TIGHT 3X8 H9210UD 2L018 GBJS3060 SCREW S TIGHT M3X6 BIND HEAD 2L021 GBCP3080 SCREW P TIGHT M3X8 BIND HEAD 2L022 GBJS3060 SCREW S TIGHT M3X6 BIND HEAD 2L030 GBJP3080 SCREW P TIGHT M3X8 BIND HEAD 2L033 GBJS3060 SCREW S TIGHT M3X6 BIND HEAD 2L043 GBJP3080 SCREW P TIGHT M3X8 BIND HEAD 2L044 GBJP3080 SCREW P TIGHT M3X8 BIND HEAD 2L045 GBJP3080 SCREW P TIG...

Page 89: ...0V M H7 C314 CHD1JK30B103 CHIP CERAMIC CAP 1608 B K 0 01μF 50V C315 CHD1JK30B473 CHIP CERAMIC CAP 1608 B K 0 047μF 50V C316 CE1JMAVSL1R0 ELECTROLYTIC CAP 1μF 50V M H7 C317 CHD1JZ30F104 CHIPCERAMICCAP 1608 FZ 0 1μF 50V C322 CHD1JZ30F104 CHIPCERAMICCAP 1608 FZ 0 1μF 50V C324 CHD1JK30B103 CHIP CERAMIC CAP 1608 B K 0 01μF 50V C325 CHD1JK30B822 CHIP CERAMIC CAP B K 8200pF 50V C326 CHD1JZ30F104 CHIPCERA...

Page 90: ... ELECTROLYTIC CAP 22μF 10V M H7 C470 CHD1JK30B472 CHIP CERAMIC CAP 1608 B K 4700pF 50V Location No TSB P N Reference No Description C471 CHD1JK30B103 CHIP CERAMIC CAP 1608 B K 0 01μF 50V C472 CE1EMAVSL4R7 ELECTROLYTIC CAP 4 7μF 25V M H7 C473 CE1CMAVSL100 ELECTROLYTIC CAP 10μF 16V M H7 C474 CHD1JZ30F104 CHIPCERAMICCAP 1608 FZ 0 1μF 50V C475 CHD1JZ30F104 CHIPCERAMICCAP 1608 FZ 0 1μF 50V C476 CE0KMAV...

Page 91: ...C CAP F Z 1μF 10V C1520 CHD1AZ30F105 CHIP CERAMIC CAP F Z 1μF 10V Location No TSB P N Reference No Description C1521 CHD1AZ30F105 CHIP CERAMIC CAP F Z 1μF 10V C1524 CHD1EK30B104 CHIP CERAMIC CAP 1608 B K 0 1μF 25V C1525 CHD1JK30B103 CHIP CERAMIC CAP 1608 B K 0 01μF 50V C1526 CHD1JZ30F104 CHIPCERAMICCAP 1608 FZ 0 1μF 50V C1527 CE1EMASDL470 ELECTROLYTIC CAP 47μF 25V M C1528 CE1CMASDL101 ELECTROLYTIC...

Page 92: ...1μF 50V C1610 CHD1JK30B103 CHIP CERAMIC CAP 1608 B K 0 01μF 50V Location No TSB P N Reference No Description C1611 CE0KMAVSL470 ELECTROLYTIC CAP 47μF 6 3V M H7 C1612 CE0KMAVSL101 ELECTROLYTIC CAP 100μF 6 3V H7 C1614 CE0KMASDL471 ELECTROLYTIC CAP 470μF 6 3V M C1615 CE0KMASDL471 ELECTROLYTIC CAP 470μF 6 3V M C1616 CE0KMASDL471 ELECTROLYTIC CAP 470μF 6 3V M C1617 CHD1EK30B104 CHIP CERAMIC CAP 1608 B ...

Page 93: ...1SS133 SWITCHING DIODE 1SS133 T 77 D1518 QDTB00MTZJ18 ZENER DIODE MTZJT 7718B D1519 QDTB00MTZJ11 ZENER DIODE MTZJT 7711B D1521 QDTZ001SS133 SWITCHING DIODE 1SS133 T 77 D1523 QDTB0MTZJ5R6 ZENER DIODE MTZJT 775 6B D1525 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D1526 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D1528 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D1529 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D1531 QDTA00MTZJ...

Page 94: ...3SP TRANSISTOR KRC103S RTK P Q1532 NQS4KTA1266P TRANSISTOR KTA 1266 GR AT P Q1533 NQ1YKTC3879P TRANSISTOR KTC3879 Y RTK P Q1534 NQSYKTC3199P TRANSISTOR KTC3199 Y AT P Q1537 NQSYKTC3199P TRANSISTOR KTC3199 Y AT P Q1538 NQSYKTC3199P TRANSISTOR KTC3199 Y AT P Q1539 NQSYKTC3199P TRANSISTOR KTC3199 Y AT P Q1540 NQSYKTC3199P TRANSISTOR KTC3199 Y AT P Q1542 NQSYKTC3198P TRANSISTOR KTC3198 Y AT P RESISTOR...

Page 95: ...W J 1k Ω R603 RRXAJR5Z0122 CHIP RES 1 10W J 1 2k Ω Location No TSB P N Reference No Description R604 RRXAJR5Z0152 CHIP RES 1 10W J 1 5k Ω R605 RRXAJR5Z0222 CHIP RES 1 10W J 2 2k Ω R606 RRXAJR5Z0392 CHIP RES 1 10W J 3 9k Ω R607 RRXAJR5Z0822 CHIP RES 1 10W J 8 2k Ω R608 RRXAJR5Z0223 CHIP RES 1 10W J 22k Ω R617 JW5 0T BOARD JUMPER D0 6 P5 0 R618 RRXAJR5Z0104 CHIP RES 1 10W J 100k Ω R621 RRXAZR5Z0000 ...

Page 96: ...Z0133 CHIP RES 1 10W J 13k Ω R1640 RRXAJR5Z0133 CHIP RES 1 10W J 13k Ω Location No TSB P N Reference No Description R1642 RRXAJR5Z0103 CHIP RES 1 10W J 10k Ω R1643 RCX6JATZ0153 CARBON RES 1 6W J 15k Ω R1644 RRXAFR5H2200 CHIP RES 1 10W F 220 Ω R1647 RRXAJR5Z0222 CHIP RES 1 10W J 2 2k Ω R1648 RRXAJR5Z0223 CHIP RES 1 10W J 22k Ω R1650 RRXAJR5Z0104 CHIP RES 1 10W J 100k Ω R1651 RRXAJR5Z0104 CHIP RES 1...

Page 97: ...TU1501 P000461900 UTUNPSLAL005 TUNER UNIT TMFE2 401A VR501 VRCB104HH014 CARBON P O T VZ067TL1 B104 PB F X301 P000468200 FXC445LLN004 XTAL 4 433619MHZ X501 P000468220 FXD126LCHE01 QUARTS CRYSTAL 12 000000MHz X502 P000459810 FXC323LQUA02 XTAL QTF38 32768K125P20L Location No TSB P N Reference No Description BOARD POWER SWITCH MCV B Consists of the following DIODE D673 P000468280 NPQZ1CHJGTNN LED GREE...

Page 98: ...DIODE 1N5397 B D1004 NDLZ001N5397 DIODE 1N5397 B D1006 QDTZ001SS133 SWITCHING DIODE 1SS133 T 77 D1008 NDQZ000SB140 SCHOTTKY BARRIER DIODE SB140 D1011 NDQZ000BA159 RECTIFIER DIODE BA159 D1012 QDTZ001SS133 SWITCHING DIODE 1SS133 T 77 D1016 NDWZ000FR101 RECTIFIER DIODE FR101 D1017 QDTB00MTZJ18 ZENER DIODE MTZJT 7718B D1018 QDTZ001SS133 SWITCHING DIODE 1SS133 T 77 D1019 QDTB0MTZJ6R8 ZENER DIODE MTZJT ...

Page 99: ...DL1R0 ELECTROLYTIC CAP 1μF 50V M C2011 CHD1JKB0B102 CHIP CERAMIC CAP B K 1000pF 50V Location No TSB P N Reference No Description C2012 CE1JMASDL1R0 ELECTROLYTIC CAP 1μF 50V M C2013 CHD1JKB0B102 CHIP CERAMIC CAP B K 1000pF 50V DIODES D2001 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D2002 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D2003 QDTA00MTZJ11 ZENER DIODE MTZJT 7711A D2004 QDTA00MTZJ11 ZENER DIODE MTZJT 7...

Page 100: ...OR CN1 JTED009ER045 ANGLE PIN HEADER 9P IMSA 6029B 1 09Z003 DIODE D2 QDTZ001SS133 SWITCHING DIODE 1SS133 T 77 IC IC1 P000459920 NSZBA0SP3005 IC AUDIO PROCESSOR MSP3417G QG B8 V3 COILS L1 LLAXKATTU100 INDUCTOR 10μH K 26T L2 JW5 0T BOARD JUMPER D0 6 P5 0 L3 LLAXKATTU180 INDUCTOR 18μH K 26T L4 LLAXKATTU100 INDUCTOR 10μH K 26T RESISTORS R1 RRXAJR5Z0102 CHIP RES 1 10W J 1k Ω R2 RRXAZR5Z0000 CHIP RES 16...

Page 101: ...ls 2 2 1 Mechanical Alignment Procedures 2 3 1 Disassembly Assembly Procedures of Deck Mechanism 2 4 1 Alignment Procedures of Mechanism 2 5 1 Deck Exploded Views 2 6 1 Deck Parts List 2 7 1 Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly Assembly of Mechanism I Deck Exploded Views I Deck Parts List ...

Page 102: ...ECK ADJUSTMENTS 3 For the reference numbers listed above refer to Deck Exploded Views B73 Recording model only B86 Not used in 2 head model h Hours Cleaning I Replace Deck Periodic Service Schedule Ref No Part Name 1 000 h 2 000 h 3 000 h 4 000 h B2 Cylinder Assembly I I B3 Loading Motor Assembly I B8 Pulley Assembly I I B587 Tension Lever Assembly I I B31 ACE Head Assembly I B573 B574 Reel S Reel...

Page 103: ... hard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained chamois cloth Cleaning of ACE Head Clean the head with a cotton swab Procedure 1 Remove the top cabinet 2 Dip the cotton swab in 90 ethyl alcohol and clean the ACE Head Be careful not to damage the up...

Page 104: ...2 Alignment Tape FL6N8 2 Head model FL6NS8 4 Head model Azimuth and X Value Adjustment of ACE Head Adjustment of Envelope Waveform J 2 Guide Roller Adj Screwdriver Available Locally Guide Roller J 3 Mirror Available Locally Tape Transportation Check J 4 Azimuth Adj Screwdriver Available Locally ACE Head Height J 5 Flat Screwdriver Available Locally X Value ...

Page 105: ... that the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide prepara tions come to the Eject Position Stop turning when the preparations begin clicking or can not be moved further However the tape will be left wound around the cylinder 5 Turn the LDG Belt in the appropriate direction con tinuously and the cass...

Page 106: ...there is no slack on the supply and take up side Guide Rollers Use a blank tape Adjust the height of the Guide Rollers Supply side and take up side Use a blank tape Page 2 3 3 Loading Use a blank tape Adjust the envelope Page 2 3 4 Check the envelope Adjust the Audio Section Azimuth Alignment Page 2 3 5 Check the audio output Check the following 1 X Value Page 2 3 3 2 Envelope Page 2 3 4 Adjust th...

Page 107: ...rew of the ACE Head Fig M6 1 B X Value Alignment Purpose To obtain maximum PB FM envelope signal at the pre set position of the Tracking Control Circuit align the Horizontal Position of the ACE Head Symptom of Misalignment If the Horizontal Position of the ACE Head is not prop erly aligned maximum PB FM envelope cannot be obtained at the preset position of the Tracking Control Circuit 1 Connect th...

Page 108: ...is adjustment turn the top of the Guide Roller with the Guide Roller Adj Screwdriver 3 If the envelope is as shown in Fig M8 adjust the height of Guide Roller 2 Refer to Fig M3 so that the waveform looks like the one shown in Fig M10 4 If the envelope is as shown in Fig M9 adjust the height of Guide Roller 3 Refer to Fig M3 so that the waveform looks like the one shown in Fig M10 5 When Guide Roll...

Page 109: ... ensure preset posi tion The number of pushes of the PROGRAM button on the unit to achieve 1 2 level of envelope should match the number of pushes of the PRO GRAM button on the unit from center If required redo the X Value Alignment 1 E Checking and Alignment of Tape Path during reversing Purpose To make sure that the tape path is well stabilized dur ing reversing Symptom of Misalignment If the ta...

Page 110: ...DM7H Desolder LDG Belt 2 S 3 9 9 ACE Head Assembly T DM1H DM7H S 4 10 2 Tape Guide Arm Assembly T DM1H DM8H 1 P 2 11 10 C Door Opener T DM1H DM8H 1 S 4A L 4 12 11 Pinch Arm B T DM1H DM8H 1 DM8H 2 P 3 13 12 Pinch Arm A Assembly T DM1H DM8H 1 DM8H 2 14 14 FE Head T DM1H DM9H S 5 15 15 Prism T DM1H DM9H S 6 16 2 Slider Shaft T DM10H L 5 17 16 C Drive Lever SP T DM10H 18 16 C Drive Lever TU T DM10H S ...

Page 111: ...d model 34 26 Loading Arm SP Assembly B DM2H DM14H Refer to Alignment Sec Page 2 5 1 35 34 Loading Arm TU Assembly B DM2H DM14H Refer to Alignment Sec Page 2 5 1 36 16 26 M Brake TU Assembly HI T DM1H DM15H 37 2 26 M Brake SP Assembly HI T DM1H DM15H P 6 38 37 Tension Lever Assembly T DM1H DM15H 39 38 T Lever Holder T DM15H L 10 40 40 M Gear HI T DM1H DM15H C 6 41 15 40 Sensor Gear HI T DM1H DM15H...

Page 112: ...2 4 3 U29PHSDA 14 13 11 10 12 7 49 8 32 43 41 40 31 42 45 44 46 9 36 15 38 37 Fig DM1H Top View 34 19 35 25 26 24 23 27 33 20 28 22 Fig DM2H Bottom View ...

Page 113: ...M4H Pull up Slide 1 2 A 3 6 6 L 2 Pin A Hole A Pin B Hole B L 1 First insert 6 diagonally in 3 as shown below Then install 6 in 3 while pushing L 1 in the direction of the arrow After installing 6 in 3 confirm that pin A of 3 enters hole A of 6 properly Installation of 3 and 6 View for A 2 1 4 Install 6 in 4 while pulling L 2 in the direction of the arrow After installing 6 in 4 confirm that pin B...

Page 114: ...th White Stripe A 8 Fig DM7H 11 13 12 10 L 4 P 3 P 2 Fig DM8H 1 Pin of 12 Pin of 10 Groove of 27 View for A When reassembling 10 and 12 confirm that pin of 10 and pin of 12 are in the groove of 27 as shown 27 Removal of 11 1 Remove screw S 4A 2 Unhook spring P 2 3 Release L 4 while holding 12 with a finger 4 Loosen a finger holding 12 and remove 11 A S 4A ...

Page 115: ...3 Fig B Top view Install pin of 12 in groove of 27 Refer to Fig B 27 Press both 12 and 13 till the groove of chassis pin appears and adjust 13 to the notch of chassis Then turn 13 a little in the direction of the arrow while pressing 12 Refer to Fig C Fig C Groove of pin of chassis Notch of chassis turn 13 12 Install 11 and 10 while holding 12 Refer to Fig DM8H 1 Fig DM8H 2 14 15 S 6 S 5 Fig DM9H ...

Page 116: ...2 4 7 U29PHSDA 19 Cap Belt S 8 19 20 Cap Belt A Installation position of Cap Belt View for A Fig DM11H L 6 22 20 C 1 21 27 Pin on 22 Position of pin on 22 turn Fig DM12H ...

Page 117: ...n 47 First groove on 27 Align 26 and 27 as shown Pin of 36 Pin of 33 Position of Mode Lever when installed Pin of 37 Bottom View Installation of 26 When reassembling 27 meet the first groove on 27 to the first tooth on 47 as shown Fig DM13H 2 32 L 9 P 5 34 35 Refer to the Alignment Section Page 2 5 1 33 Fig DM14H ...

Page 118: ...2 4 9 U29PHSDA 39 L 10 37 P 6 43 38 36 42 40 41 C 6 C 7 turn turn turn Fig DM15H 44 45 46 L 11 Fig DM16H Slide Plate S 11 47 48 Slide Fig DM17H ...

Page 119: ...echanical or electrical parts Alignment points in Eject Position Alignment 1 Loading Arm SP and TU Assembly Install Loading Arm SP and TU Assembly so that their triangle marks point to each other as shown in Fig AL2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm SP Assembly so that the last tooth of the gear meets the most inside teeth of the Mode Ge...

Page 120: ...MH D Blue grease SLIDUS OIL 150 Some Ref Numbers are not in sequence B12 B492 B11 B571 B37 B126 B8 B121 L1450 L1450 B86 L1466 B501 Chassis Assembly Top View Lubricating Point Chassis Assembly Bottom View Lubricating Point L1051 B35 B410 B411 B494 B567 L1053 B74 L1467 B553 B10 L1191 B73 B9 B2 L1322 B5 ...

Page 121: ...llow grease B499 B516 B52 B507 B559 B581 B583 B580 B582 A View for A B578 B579 B579 B133 B551 Bottom Side Grease point Some Ref Numbers are not in sequence B488 B491 B513 Bottom Side Grease point L1151 B525 B31 L1406 B558 B557 B3 B592 B148 B522 B521 B590 B573 B574 B591 B416 B518 B564 B585 B487 B587 B508 B414 B572 B565 B568 B417 ...

Page 122: ...hanism View 3 Mark Description Floil G 684G or Multemp MH D Blue grease SLIDUS OIL 150 L1341 L1321 B347 L1321 B355 B354 B482 B483 B425 B303 B555 B563 B300 B562 B514 B313 Some Ref Numbers are not in sequence B361 B359 B529 B360 ...

Page 123: ...729C T LEVER HOLDER MK12 B501 P000467590 0VM203767 WORM HOLDER MK12 B507 P000467810 0VM410058 REEL WASHER MK9 5 2 1 0 5 B508 P000467970 0VM414899 S BRAKE SPRING HI MK12 B513 P000467770 0VM402629A P S W F 6 2 55 0 5 B514 0VM411535B SCREW RACK MK14 B516 P000467810 0VM410058 REEL WASHER MK9 5 2 1 0 5 B518 P000467790 0VM408485A P S W CUT 1 6X4 0X0 5T B521 P000467980 0VM414943 REV BRAKE SPG HI MK12 B52...

Page 124: ......

Page 125: ...Appendix D VR41KF REVISION HISTORY REV Date Reason for Change 1 07 30 07 Changed Parts List due to correct TSB P N Reference No and Description for LED Location No D555 ...

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