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SERVICE MANUAL

COPYRIGHT © 2006 Victor Company of Japan, Limited

No.MA247

2006/2

CD RECEIVER

MA247

2006

2

KD-AR770J,KD-G720J,KD-G721E,KD-G721EX,

KD-G721EY,KD-G721EU,KD-G722E,KD-G722EX,

KD-G722EY,KD-G722EU,KD-G724UI,KD-G725U,

KD-G725UN,KD-G725UH,KD-G725UT,KD-G727EE

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

TABLE OF CONTENTS

1

PRECAUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-7

2

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-10

3

DISASSEMBLY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-11

4

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-15

5

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1-16

Summary of Contents for KD-AR770J

Page 1: ...21EX KD G721EY KD G721EU KD G722E KD G722EX KD G722EY KD G722EU KD G724UI KD G725U KD G725UN KD G725UH KD G725UT KD G727EE Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTIONS 1 7 2 SPECIFIC SERVICE INSTRUCTIONS 1 10 3 DISASSEMBLY 1 11 4 ADJUSTMENT 1 15 5 TROUBLESHOOTING 1 16 ...

Page 2: ...ng Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER USB MEMORY SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range ...

Page 3: ...ing Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB MW Tuner Sensitivity 20 µV Selectivity 35 dB LW Tuner Sensitivity 50 µV CD PLAYER USB MEMORY SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz...

Page 4: ... 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER USB MEMORY SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to N...

Page 5: ...6 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER USB MEMORY SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response 5 Hz to 20 000 Hz Dynamic Range 96 dB Signal to ...

Page 6: ... 0 MHz FM3 65 00 MHz to 74 00 MHz AM MW 522 kHz to 1 620 kHz LW 144 kHz to 279 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 30 dB MW Tuner Sensitivity 20 µV Selectivity 35 dB LW Tuner Sensitivity 50 µV CD PLAYER USB MEMORY SECTION Type Compact ...

Page 7: ... formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 8: ... of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the repla...

Page 9: ...o function 6 CAUTION Use of controls adjustments or performance of procedures other than those specified here in may result in hazardous radiation exposure REPRODUCTION AND POSITION OF LABELS Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check WARNING LABEL CAUTION Visible and Invisible laser radiation when open and interlock failed or def...

Page 10: ...7 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2 1 DIFFERENT POINT KD AR770 KD G720 KD G721 KD G722 KD G724 KD G725 KD G727 SAT READY YES YES NO NO NO NO NO RDS NO NO YES YES NO NO YES LINE IN plug YES NO NO NO NO NO NO ...

Page 11: ...ve the bottom cover from the main body Note When releasing the joints using a screwdriver do not damage the main board Fig 2 3 1 3 Removing the front chassis assembly See Figs 3 and 4 Remove the front panel assembly and bottom cover 1 Remove the two screws A on the both sides of the main body See Fig 3 2 Remove the two screws B on the front sides of the main body See Fig 4 3 Release the joint d an...

Page 12: ...side panel from the main body Fig 5 3 1 5 Removing the rear bracket See Fig 6 Remove the bottom cover 1 Remove the screws E three screws F and two screws G attaching the rear bracket on the back side of the main body 2 Remove the rear bracket Reference The quantity of screws E differs by each model Fig 6 C D Side panel F E E F Rear bracket G F E E F Rear bracket G F E E F Rear bracket For KD AR770...

Page 13: ...e main board See Fig 7 4 Disconnect the connector CN501 on the main board from the main body and take out the main board with the rear bracket See Fig 7 Reference Remove the rear bracket from the main body as re quired See 3 1 5 Removing the rear bracket Fig 7 3 1 7 Removing the CD mechanism assembly See Fig 8 Remove the front panel assembly bottom cover side panel rear bracket and main board Refe...

Page 14: ... M on the right side of the front panel as sembly See Fig 9 3 Release the joints f and remove the rear cover See Fig 10 4 Take out the switch board from the front panel assembly See Fig 11 Fig 9 Fig 10 Fig 11 3 2 CD mechanism section For the CD mechanism please refer the mechanism manual TN2001 1118 No MY004 Rear cover K K M Rear cover Joints f Joints f Joints f Switch board Front panel assembly ...

Page 15: ...load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard How to connect the extension cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively before supply the power If voltage is applied without attaching...

Page 16: ...between IC501 and IC541 YES NO Is the power supply present at pins 8 16 25 28 32 53 71 and pin 90 of IC541 YES Check IC541 NO Check the connections of CD8V power supply When the lens is moving Does the S search waveform appear at IC501 pins 8 and 9 4V Check the pickup and its connections Is the power supply present at pins 8 16 25 28 32 53 71 and pin 90 of IC541 YES NO Is the voltage input at pin ...

Page 17: ... input at pin 17 of IC501 YES NO Is the voltage output at pin 13 of IC541 Check the connections between IC501 and IC541 YES NO Is the power supply present at pin 3 pin 12 and pin 21 of IC501 YES Check IC501 NO Check the connections of CD8V power supply YES Check IC541 NO Check the connections of CD8V power supply Is the power supply present at pins 8 16 25 28 32 53 71 and pin 90 of IC541 When the ...

Page 18: ...urrent 5 7 Replacement of laser pickup No sound from either channel Is 9V present at pin 24 of IC161 Compare the L ch and R ch to locate the defective point Is the sound output from both channels L R YES NO Is the audio signal including sampling output components output to pins 1 and 7 of IC581 during playback Normal YES NO YES NO Check IC581 and its peripheral circuits NO Is 9V present at pin 13 ...

Page 19: ...L 8 BK 7 RD 15 OR WH 3 GN 11 GN BK 2 VI 10 VI BK 4 WH 12 WH BK 1 GY 9 GY BK 5 BL WH MEMORY GND ACC ILL RL RL RR RR FL FL FR FR REMOTE 13 BR TEL BK RD BL WH BR Black Red Blue White Brown GN VI GY YL OR Green Violet Gray Yellow Orange RR FR FL RL TEL Rear Right Front Right Front Left Rear Left Telephone muting REMOTE ACC MEMORY ILL Remote out ACC Line Memory Backup Battery Ground Illuminations Contr...

Page 20: ...H White GN Green VI Violet GY Gray Yellow RR FR FL RL REMOTE ACC GND MEMORY Rear Right Front Right Front Left Rear Left Remote out ACC Line Ground Memory Backup Battery YL OR Orange ILL Illuminations Control C A U T IO N REMOTE OUTPUT ONLY GND 16 YL 8 BK 7 RD 15 OR WH 3 GN 11 GN BK 2 VI 10 VI BK 4 WH 12 WH BK 1 GY 9 GY BK 5 BL WH MEMORY GND ACC ILL RL RL RR RR FL FL FR FR REMOTE ...

Page 21: ...RD 7 YL 4 6 8 5 2 7 8 1 2 5 6 3 4 4 WH 1 3 5 7 2 4 6 8 NC BR NC YL BL WH OR WH RD BK 1 3 5 7 2 4 6 8 VI GY WH GN VI BK GY BK WH BK GN BK BK RD BL WH BR Black Red Blue White Brown GN Green VI Violet GY Gray YL Yellow OR Orange RR Rear Right FR Front Right FL Front Left RL Rear Left REMOTE Remote ILL Illuminations Control ANT ACC TEL Auto Antenna ACC Line Telephone Muting GND Ground MEMORY Memory Ba...

Page 22: ...K Red BL Blue WH White GN Green VI Violet GY Gray OR Orange YL Yellow RR FR FL RL REMOTE ANT ACC ILL GND MEMORY Rear Right Front Right Front Left Rear Left Remote out ACC Line Illuminations Control Ground Memory Backup Battery Auto Antenna BR Brown TEL Telephone muting 16 YL 8 BK 7 RD 15 OR WH 13 BR 3 GN 11 GN BK 2 VI 10 VI BK 4 WH 12 WH BK 1 GY 9 GY BK 5 BL WH 6 BL MEMORY GND ACC ILL TEL RL RL RR...

Page 23: ... No MA247 1 23 ...

Page 24: ... No MA247 Mobile Entertainment Business Group Mobile Entertainment Category 10 1 1chome Ohwatari machi Maebashi city Gumma ken 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 25: ...DIAGRAMS CD RECEIVER No MA247SCH 2006 2 KD AR770J KD G720J KD G721E KD G721EX KD G721EY KD G721EU KD G722E KD G722EX KD G722EY KD G722EU KD G724UI KD G725U KD G725UN KD G725UH KD G725UT KD G727EE COPYRIGHT 2006 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 26: ...r on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 27: ... M E M O ...

Page 28: ... VREF RFOK SRAMSTB SW1 SW2 PSW CN601 S601 to S617 SD601 SD602 KEY MATRIX KEY0 to 2 IC601 LCD DRIVER LCD1 LCD CN701 C COM1 to COM3 S1 to S52 LCDCL LCDDA LCDCE FEED FEED SPINDLE SPINDLE VF1 VF2 VT1 VT2 LD MD VREF KEY0 to 2 LCDCL LCDDA LCDCE REMOCON ENC1 ENC2 DIMOUT IC602 REMOCON REMOCON OUTL OUTR DACMS DACMC DACMD CD L CD R EN601 ENCODER ENC1 ENC2 CN001 FOCUS TRACKING COIL FOCUS FOCUS TRACKING TRACK...

Page 29: ...A DAO LRCK DCLK DACPDN DACOCS ADUTL ADUTR FRONT LEFT FRONT LEFT FRONT RIGHT FRONT RIGHT REAR LEFT REAR LEFT REAR RIGHT REAR RIGHT VOLDA VOLCK VOLMUTE SACLK SAOUT RESET EPROMCK EPROMDI EPROMDO MUTE OUTSW SUBMUTE J1 ANT SPK BATTERY CN901 USB CN531 CN532 CN931 TUSDA TUSCL SSTOP QOUT AFS RDSDA RDSCL MPX OUT DDA N C2 CH L CH R ANT ANT USED FOR KD AR770 KD G720 KD G724 KD G725 IC801 JVC BUS SO I O INT S...

Page 30: ...W6 2B X 100 100 QNZ0605 001 4 7k 4 7k 4 7k 47k 10k QAM0105 003 47k 47k 0 QGA2006F1 02 UDZW5 6B QSW1049 001Z 100 10k BR24L16F W X 0 047 10K QNZ0095 001 100 10 16 UDZW5 6B X 10K UDZW5 6B X 12k 12k 100 2 2K 0 10K 2 2K 2 2K 820 QTE1H55 225Z QTE1H55 225Z QGA2006C1 04 1 50 1 50 1 50 TDA7419 X 1 50 1 50 100K 100K 0 0033 0 0033 0 1 10K NAD0028 103X 0 22 0 1 UDZW6 2B X 0 2k UDZW6 2B X 0 1 3 3k 2 2k 2 2k 0 ...

Page 31: ...80833CNNB G W 820 820 KTD1304 X 0 022 4 7u 0 1 2k 1 2k 0 1 1 2k 2 2K 10k 10k QSW0451 001 0 022 100 1 50 10K 100 QFV91HJ 474Z KTD1304 X CRS03 W CRS03 W CRS03 W CRS03 W 0 1 1k 100P 100P 100P 100P 100P 12k 27k 100P 100P 100P TB2904HQ 1SS355W X QNZ0611 001 47 16 2SA1530A QR X QFV91HJ 474Z CRS03 W CRS03 W CRS03 W CRS03 W 4 7k 4 7k 4 7k 2 2 50 0 01 0 022 1k 1k 1k 1k 2 2 50 0 0047 0 0047 0 0047 0 0047 1k...

Page 32: ... 7 5k 0 220 0 1 22 16 47 16 47 16 33k 0 1 0 1 150 100 100 100 100 100 0 1 1A3 22k 100 100 47k 100k 47 16 0 01 0 033 0 1 100 10 0 047 0 047 0 01 LA6242H X 12K 0 047 100k 0 047 0 01 3K 0 01 1 5k 8 2K 0 0 20k 0 01 5 1k 220 6 3 3 3k 10k 0 01 2SA1705 ST T 100 2200p 0 1 0 1 0 1 100k 0 1 QGB2027M4 22S 120p 0 033 47u 47u 0 1 100 100 10k 1M FMO DBUS0 SRAMSTB FEED DBUS1 DBUS2 DBUS3 DREQ VR PSW SW2 SW1 DBUCK...

Page 33: ... 16 47 16 0 1 0 1 100p TC94A70FG 47u k k 0 1 270p 0 027 0 018 SN74CBT3245AP X 0 0056 RT1N141C X 47 16 33k 0 0 01 0 0 0 100p 3 3k 100 100 47K 10k 10k 0 0 1k 8 2k 27k 1 5k 1 5k 0 01 0 001 10k 18p 18p QAX0760 001Z 10k SN74AHCU04PW X 1K 10k 0 1SS355W X 47k 47 0 1 27k 8 2k 150p 150p 1A3G T1 47 16 22k 4 7 25 4 7 25 24k 24k 820p 820p NJU7772F15 X RT1N141C X 1 2k 47u 0 0 0 1 47u 10k 10k 10k 10k 10k 10k 10...

Page 34: ... S606 R646 S607 S614 S613 S612 S611 S610 S609 S608 S616 S617 R642 R681 R680 820 0 022 0 022 QSW1163 001 2 7K QLD0383 001 3 9K 820 3 9K 820 820 2 7K 1 8K 1 2K 820 1 2K 1 8K 820 MC2838 X 300 300 68 470 150 300 200 430 150 560 430 200 200 200 KEY1 KEY0 KEY2 ENC2 ENC1 S13 S12A COM1 COM2 COM3 S47 S48 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S23 S14 S15 S16 S17 S18 S49 S50 S51 S52 S19 S20 S21 S22 S24 S25 S26 ...

Page 35: ... NNZ0085 001 UDZW5 1B X 560 UDZW6 2B X 1k 2 2k 0 022 390 47k 2 2k NSPW310BS BRST NSPW310BS BRST RT1N141C X 2SA1365 F X 10K KEY2 REMOCON LCDCL DIMOUT ENC1 ENC2 LCDCE LCDDA KEY1 KEY0 GND DIM_CON 10V GND LCDDA LCDCL LCDCE S50 ACC5V S51 INH S17 CE S18 OSC CLK DATA VDD S52 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S49 COM3 COM2 COM1 S3 S4 S5 S6 S7 S8 S9 S10 S2 S11 S1 S12 S13 S14 S15 S16 D...

Page 36: ... NRZ0065 472X QGF0523F1 05W 0 4 7K 4 7K 4 7K 0 SA04D70TFI021A NI SN74AHCT1G08V 4 7K 47k 100K 0 0 0 0 100K 100K 0 1 47k 100k 100k 6 8k 0 1M 0 NAX0832 001X 1k 0 1 1k 4 7K 4 7K 4 7K 4 7K 0 0 0 0 10K 0 0 0 1 8V P DET UART_TX1 XA0 XA1 XA2 XA3 XA4 XA5 XA6 XA7 XA8 XA9 XA10 XA11 XA12 XD15 XD14 XD13 XD12 XD11 XD10 XD9 XD8 XD7 XD6 XD5 XD4 MCLK LRCK DAO BCLK DACPDN DACOCS MODE0 RESET XA1 XA2 XA3 XA4 XA5 XA6 ...

Page 37: ...16 NJM4565V X 4 7K 200 4 7K 4 7K 200 0 47K 0 1 16 0 1 16 NQR0502 001X 0 1 16 0 1 16 0 1 16 0 1 0 1 16 470P 3300P 4 7K 200 4 7K 200 4 7K 3300P 470P 47 10 0 1 16 10 22k 22k AGND HCT1G08V X 0 1 16 47k 0 47 NAD0031 004X UDZW5 1B X UDZW5 1B X 10K 0 NQR0201 004X SML 310LT MN X 15K 15K BH18LB1WG W 0 1 16 4 7 16 0 10K 10K 4 7K 22 6 3 470P 4 7K 470P 0 1 16 47 10 47 10 0 1 16 0 1 16 1K 1 2K 1 2K 1K NI 0 047...

Page 38: ...105 003 47k 47k 0 QGA2006F1 02 UDZW5 6B QSW1049 001Z 100 10k BR24L32F W X 0 047 10K QNZ0095 001 100 10 16 UDZW5 6B X 10K UDZW5 6B X 12k 12k 100 2 2K 0 10K 2 2K 2 2K 820 QTE1H55 225Z QTE1H55 225Z QGA2006C1 04 1 50 1 50 1 50 TDA7419 X 1 50 1 50 100K 100K 0 0033 0 0033 0 1 10K NAD0028 103X 0 22 0 1 UDZW6 2B X 0 2k UDZW6 2B X 0 1 3 3k 2 2k 2 2k 0 1 CRS03 W 10k 47k 0 33 100 100 10k UDZW6 2B X 47k 1k 10...

Page 39: ...0833CNNB G W 820 820 KTD1304 X 0 022 4 7u 0 1 2k 1 2k 0 1 1 2k 2 2K 10k 10k QSW0451 001 0 022 100 1 50 10K 100 QFV91HJ 474Z KTD1304 X CRS03 W CRS03 W CRS03 W CRS03 W 0 1 1k 100P 100P 100P 100P 100P 12k 27k 100P 100P 100P TB2904HQ 1SS355W X QNZ0611 001 47 16 2SA1530A QR X QFV91HJ 474Z CRS03 W CRS03 W CRS03 W CRS03 W 4 7k 4 7k 4 7k 2 2 50 0 01 0 022 1k 1k 1k 1k 2 2 50 0 0047 0 0047 0 0047 0 0047 1k ...

Page 40: ...k QAM0105 003 47k 47k 0 QGA2006F1 02 UDZW5 6B QSW1049 001Z 100 10k BR24L32F W X 0 047 10K QNZ0095 001 100 10 16 UDZW5 6B X 10K UDZW5 6B X 12k 12k 100 2 2K 0 10K 2 2K 2 2K 820 QTE1H55 225Z QTE1H55 225Z QGA2006C1 04 1 50 1 50 1 50 TDA7419 X 1 50 1 50 100K 100K 0 0033 0 0033 0 1 10K NAD0028 103X 0 22 0 1 UDZW6 2B X 0 2k UDZW6 2B X 0 1 3 3k 2 2k 2 2k 0 1 CRS03 W 10k 47k 0 33 100 100 10k UDZW6 2B X 47k...

Page 41: ...0833CNNB G W 820 820 KTD1304 X 0 022 4 7u 0 1 2k 1 2k 0 1 1 2k 2 2K 10k 10k QSW0451 001 0 022 100 1 50 10K 100 QFV91HJ 474Z KTD1304 X CRS03 W CRS03 W CRS03 W CRS03 W 0 1 1k 100P 100P 100P 100P 100P 12k 27k 100P 100P 100P TB2904HQ 1SS355W X QNZ0611 001 47 16 2SA1530A QR X QFV91HJ 474Z CRS03 W CRS03 W CRS03 W CRS03 W 4 7k 4 7k 4 7k 2 2 50 0 01 0 022 1k 1k 1k 1k 2 2 50 0 0047 0 0047 0 0047 0 0047 1k ...

Page 42: ...5 R386 R387 R431 R432 R433 R434 R435 R436 R437 R438 R439 R440 R441 R442 R443 R444 R445 R446 R461 R462 R481 R482 R491 R492 R493 R501 R511 R512 R513 R514 R515 R518 R519 R520 R521 R522 R523 R532 R541 R542 R543 R544 R547 R548 R549 R550 R551 R552 R553 R554 R555 R556 R557 C540 R560 R561 R562 R563 R564 R565 R566 R567 R568 R581 R591 R583 R593 R585 R586 R588 R589 R595 R596 R598 R599 R701 R702 R703 R707 R70...

Page 43: ...901 D902 IC301 IC901 J1 J801 L1 L901 Q182 Q371 Q372 Q482 Q491 Q492 Q502 Q571 Q933 Q881 R3 R4 R9 R10 R11 R12 R13 R14 R15 R16 R21 R22 R71 R73 R74 R75 R141 R142 R322 R323 R332 R333 R342 R343 R352 R353 R375 R376 R377 R490 R494 R502 R503 R504 R505 R516 R517 R524 R545 R546 R569 R577 R578 R587 R597 R704 R705 R706 R708 R714 R717 R723 R741 R742 R754 R755 R760 R764 R766 R933 R934 R774 C6 R801 R804 R805 R806...

Page 44: ... R532 R533 RA401 X402 IC401 CN600 L531 C418 C419 C420 C441 C448 C455 C456 C461 C462 C463 C464 C471 C472 C473 C474 C481 CN531 CN532 F531 IC441 IC451 IC452 IC481 K531 R401 R402 R406 R407 R408 R410 R432 R433 R436 R437 R439 R440 R445 R446 R447 R448 R461 R462 R463 R464 R465 R466 R467 R468 R471 R472 R473 R474 R475 R476 R477 R478 R482 R483 R484 R531 D533 D532 IC482 C482 R398 R399 D600 CN600 C531 C440 D60...

Page 45: ... M E M O ...

Page 46: ... No MA247SCH Printed in Japan VPT Mobile Entertainment Business Group Mobile Entertainment Category 10 1 1chome Ohwatari machi Maebashi city Gumma ken 371 8543 Japan Victor Company of Japan Limited ...

Page 47: ... for the CD mechanism Contents Exploded view of general assembly and parts list Block No M1 Electrical parts list Block No 01 09 Packing materials and accessories parts list Block No M3 KD AR770J KD G720J KD G721E KD G721EX KD G721EY KD G721EU KD G722E KD G722EX KD G722EY KD G722EU KD G724UI KD G725U KD G725UN KD G725UH KD G725UT KD G727EE 3 2 3 6 3 24 MA247 ...

Page 48: ...assembly and parts list Switch board Block No A B C D E D a M M M 1 31 10 23 3 69 3 25 21 81 9 47 44 40 45 43 36 39 46 33 2 26 19 29 22 30 24 48 48 34 34 1 80 4 4 32 28 20 10 49 38 41 35 42 37 15 18 17 16 27 11 8 11 5 67 5 53 55 50 ...

Page 49: ...3 3 Main board USB board KD AR770 KD G721 KD G722 A E C B G G F F b b c c a a M 5 8 0 56 66 5 67 71 73 12 14 58 75 76 70 79 13 3 5 7 68 6 74 57 63 6 61 62 64 65 52 54 51 53 77 78 59 72 60 ...

Page 50: ... SPRING 29 GE40303 003A T SPRING 30 GE40304 001A T SPRING 31 GE40305 001A T SPRING 32 GE40156 001A BLIND 33 QYSDSF2008ZA TAP SCREW M2 x 6mm x2 34 VKZ4777 010 MINI SCREW x2 35 GE10150 017A FRONT PANEL AR770J 35 GE10150 016A FRONT PANEL G720J 35 GE10150 019A FRONT PANEL G721E G721EU G721EX G721EY 35 GE10150 020A FRONT PANEL G722E G722EU G722EX G722EY 35 GE10150 021A FRONT PANEL G724UI 35 GE10150 022...

Page 51: ... M2 6 x 6mm 72 GE40218 047A SHEET 73 GE40218 048A SHEET 74 GE31905 001A NAME PLATE AR770J 74 GE31908 001A NAME PLATE G720J 74 GE31914 001A NAME PLATE G721E G721EU G721EX G721EY 74 GE31917 001A NAME PLATE G722E G722EU G722EX G722EY 74 GE32041 001A NAME PLATE G724UI 74 GE31911 001A NAME PLATE G725U G725UH G725UN G725UT 74 GE31920 001A NAME PLATE G727EE 75 LV41843 002A LASER CAUTION G721E G721EU G721...

Page 52: ...X DIODE C M D714 UDZW5 6B X Z DIODE D718 SLR 56VC3F DIODE C M D720 UDZW6 2B X DIODE D781 1SS355W X DIODE C M D782 1SS355W X DIODE C M D784 UDZW11B X Z DIODE D851 CRS03 W SB DIODE G724UI G725U G725U H G725 UN G725U T D852 CRS03 W SB DIODE G724UI G725U G725U H G725 UN G725U T D891 1SS355W X DIODE C M D892 1SS355W X DIODE C M D901 1N5401 F64 DIODE D902 1SS355W X DIODE C M D931 1A3G T1 SI DIODE D932 U...

Page 53: ...EKJ1CM 476Z E CAPACITOR 47uF 16V M C548 NCB31EK 104X C CAPACITOR 0 1uF 25V K C549 QEKJ1CM 226Z E CAPACITOR 22uF 16V M C550 NCB31EK 104X C CAPACITOR 0 1uF 25V K C551 NCB31EK 104X C CAPACITOR 0 1uF 25V K C552 NCB31EK 104X C CAPACITOR 0 1uF 25V K Symbol No Part No Part Name Description Local C554 NCB31EK 104X C CAPACITOR 0 1uF 25V K C555 NCB31EK 104X C CAPACITOR 0 1uF 25V K C556 NCB31EK 104X C CAPACI...

Page 54: ...J R314 NRSA63J 122X MG RESISTOR 1 2kΩ 1 16W J R321 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R322 NRSA63J 821X MG RESISTOR 820Ω 1 16W J R323 NRSA02J 101X MG RESISTOR 100Ω 1 10W J Symbol No Part No Part Name Description Local R331 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R332 NRSA63J 821X MG RESISTOR 820Ω 1 16W J R333 NRSA02J 101X MG RESISTOR 100Ω 1 10W J R341 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R342...

Page 55: ... 1 16W J R711 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R712 NRSA63J 101X MG RESISTOR 100Ω 1 16W J Symbol No Part No Part Name Description Local R713 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R714 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R715 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R716 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R717 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R718 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R71...

Page 56: ...LED D611 LSQ971 KL X LED D612 LSQ971 KL X LED D613 LSQ971 KL X LED D614 LSQ971 KL X LED D615 LSQ971 KL X LED D616 LSQ971 KL X LED D617 LSQ971 KL X LED D618 LSQ971 KL X LED D620 LSQ971 KL X LED D621 LSQ971 KL X LED D640 MC2838 X DIODE D641 UDZW5 1B X SI DIODE D642 1SS355W X DIODE C M D643 UDZW6 2B X DIODE D645 NSPW310BS BRST LED D646 NSPW310BS BRST LED C601 NCB31HK 223X C CAPACITOR 0 022uF 50V K C6...

Page 57: ...R 0 1uF 16V K C465 NBE41AM 476X TA E CAPACITOR 47uF 10V M C471 NCB31HK 332X C CAPACITOR 3300pF 50V K C472 NCS31HJ 471X C CAPACITOR 470pF 50V J C473 NCS31HJ 471X C CAPACITOR 470pF 50V J C474 NCB31CK 104X C CAPACITOR 0 1uF 16V K C475 NBE41AM 476X TA E CAPACITOR 47uF 10V M C481 NCB31CK 104X C CAPACITOR 0 1uF 16V K C482 NCB31CK 104X C CAPACITOR 0 1uF 16V K C521 NBE21CM 475X TA E CAPACITOR 4 7uF 16V M ...

Page 58: ...1 1SS355W X DIODE C M D432 1SS355W X DIODE C M D491 1SS355W X DIODE C M D501 1A3G T1 SI DIODE D701 UDZW6 2B X DIODE D702 UDZW6 2B X DIODE D703 UDZW6 2B X DIODE D704 UDZW6 2B X DIODE D705 UDZW6 2B X DIODE D706 UDZW6 2B X DIODE D707 UDZW6 2B X DIODE D708 UDZW6 2B X DIODE D709 UDZW6 2B X DIODE D712 UDZW6 2B X DIODE D713 1SS355W X DIODE C M D714 UDZW5 6B X Z DIODE D718 SLR 56VC3F DIODE C M D720 UDZW6 ...

Page 59: ...K 104X C CAPACITOR 0 1uF 25V K C559 QEKJ1CM 476Z E CAPACITOR 47uF 16V M Symbol No Part No Part Name Description Local C560 NCB31EK 104X C CAPACITOR 0 1uF 25V K C561 NCB31EK 104X C CAPACITOR 0 1uF 25V K C562 QEKJ1CM 476Z E CAPACITOR 47uF 16V M C563 NCB31EK 104X C CAPACITOR 0 1uF 25V K C564 NDC31HJ 680X C CAPACITOR 68pF 50V J C565 NCB31EK 153X C CAPACITOR 0 015uF 25V K C566 NCB31EK 104X C CAPACITOR ...

Page 60: ... RESISTOR 10kΩ 1 16W J Symbol No Part No Part Name Description Local R438 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R439 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R440 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R441 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R442 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R443 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R444 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R445 NRSA63J 103X MG RESISTOR ...

Page 61: ...63 NRS181J 561X MG RESISTOR 560Ω 1 8W J R764 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R766 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R767 NRSA63J 223X MG RESISTOR 22kΩ 1 16W J R770 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R771 NRSA63J 271X MG RESISTOR 270Ω 1 16W J R772 NRSA63J 271X MG RESISTOR 270Ω 1 16W J R774 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R776 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R777 NRSA63J 47...

Page 62: ...3J 513X MG RESISTOR 51kΩ 1 16W J R658 NRSA63J 184X MG RESISTOR 180kΩ 1 16W J R660 NRSA02J 391X MG RESISTOR 390Ω 1 10W J R661 NRSA02J 391X MG RESISTOR 390Ω 1 10W J R670 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R672 NRSA02J 471X MG RESISTOR 470Ω 1 10W J R673 NRSA02J 473X MG RESISTOR 47kΩ 1 10W J R674 NRSA02J 102X MG RESISTOR 1kΩ 1 10W J R680 NRSA63J 201X MG RESISTOR 200Ω 1 16W J Symbol No Part No Part Na...

Page 63: ...0Ω 1 16W J R460 NRSA63J 122X MG RESISTOR 1 2kΩ 1 16W J R461 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R462 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R463 NRSA63J 223X MG RESISTOR 22kΩ 1 16W J R464 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R465 NRSA63J 201X MG RESISTOR 200Ω 1 16W J R466 NRSA63J 223X MG RESISTOR 22kΩ 1 16W J R467 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R468 NRSA63J 201X MG RESISTOR 200Ω 1 16W...

Page 64: ...C CAPACITOR 4700pF 50V K C323 NCB31HK 472X C CAPACITOR 4700pF 50V K C324 NCB31HK 472X C CAPACITOR 4700pF 50V K C325 NCB31HK 472X C CAPACITOR 4700pF 50V K C365 QEKJ1EM 475Z E CAPACITOR 4 7uF 25V M C366 QEKJ1EM 475Z E CAPACITOR 4 7uF 25V M C385 QEKJ1EM 475Z E CAPACITOR 4 7uF 25V M C386 QEKJ1EM 475Z E CAPACITOR 4 7uF 25V M C391 NBE41AM 476X TA E CAPACITOR 47uF 10V M C401 NCB31EK 104X C CAPACITOR 0 1u...

Page 65: ...OR 1kΩ 1 16W J Symbol No Part No Part Name Description Local R9 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R10 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R11 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R12 NRSA63J 331X MG RESISTOR 330Ω 1 16W J R13 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R14 NRSA63J 331X MG RESISTOR 330Ω 1 16W J R15 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J R16 NRSA63J 332X MG RESISTOR 3 3kΩ 1 16W J R1...

Page 66: ...kΩ 1 16W J R598 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J Symbol No Part No Part Name Description Local R599 NRSA63J 152X MG RESISTOR 1 5kΩ 1 16W J R701 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R702 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R703 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R704 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R705 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R708 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J...

Page 67: ...SS355W X DIODE C M D643 UDZW6 2B X DIODE D645 NSPW310BS BRST LED D646 NSPW310BS BRST LED C601 NCB31HK 223X C CAPACITOR 0 022uF 50V K C602 NCS31HJ 681X C CAPACITOR 680pF 50V J C603 NBE20JM 106X TA E CAPACITOR 10uF 6 3V M C611 NCB31HK 123X C CAPACITOR 0 012uF 50V K C612 NBE20JM 475X TA E CAPACITOR 4 7uF 6 3V M R601 NRSA63J 821X MG RESISTOR 820Ω 1 16W J R602 NRSA63J 821X MG RESISTOR 820Ω 1 16W J R603...

Page 68: ...ISTOR 0Ω 1 16W J R399 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R401 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R402 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R403 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R404 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R405 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R406 NRSA63J 472X MG RESISTOR 4 7kΩ 1 16W J R407 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R408 NRSA63J 0R0X MG RESISTOR 0Ω 1 16W J R409 ...

Page 69: ...3 23 MEMO ...

Page 70: ... A7 A8 A14 KD G725_U A1 A3 A4 A5 A6 P4 KD G721_E EY EX KD G722_E EY EX A1 A4 A5 A20 A21 A23 A24 P4 KD G727_EE A1 A4 A20 A21 A2 P4 KD G724_UI KD G725_UN UH UT A1 A4 P4 KD G721_EU KD G722_EU A1 A4 A5 A24 P4 KD AR770_J KD G720_J A1 A4 A20 A22 A25 A26 A27 1 2 2 2 A27 A28 A29 KD G721_E EU EY EX KD G722_E EU EY EX KD G725_U P7 A17 KIT A9 A10 A11 A12 A13 A16 A15 ...

Page 71: ... G720J A 7 GE20137 003A MOUNTING SLEEVE AR770J G721E G721EU G721EX G721EY G722E G722EU G722EX G722EY G724UI G725U G725UH G725UN G725UT G727EE A 8 GE20149 013A TRIM PLATE G720J G721E G721EU G721EX G721EY G724UI G725U G725UH G725UN G725UT A 8 GE20149 010A TRIM PLATE AR770J G722E G722EU G722EX G722EY G727EE A 9 VKZ4027 202 PLUG NUT A 10 VKH4871 003 MOUNT BOLT A 11 VKZ4328 003 LOCK NUT A 12 QYWWS53A00...

Page 72: ...BAG x2 G721E G721EU G721EX G721EY G722E G722EU G722EX G722EY G725U P 4 FSPG4002 001 POLY BAG AR770J G720J G724UI G725UH G725UN G725UT G727EE P 5 QPA00801205 POLY BAG 8cm x 12cm P 6 QPC01002515 POLY BAG 10cm x 25cm P 7 QPA01003003 POLY BAG 10cm x 30cm Symbol No Part No Part Name Description Local ...

Page 73: ...3 27 MEMO ...

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