JVC KD-G179UR Service Manual Download Page 25 | Manualshive

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3-1

PARTS LIST

* All printed circuit boards and its assemblies are not available as service parts.
* Please refer to the mechanism manual (model TN2007-1001, No.MY003)
for the CD mechanism.

- Contents -

Exploded view of general assembly and parts list (Block No.M1)
Electrical parts list (Block No.01~02)
Packing materials and accessories parts list (Block No.M3)

KD-G179UR

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3- 8

MA260

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Summary of Contents for KD-G179UR

Page 1: ...No MA260 2006 4 CD RECEIVER MA260 2006 4 KD G179UR Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 10 5 TROUBLESHOOTING 1 11 ...

Page 2: ...with channel interval set to 9 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 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup se...

Page 3: ... 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 4: ...tical 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 replacement procedure in the text ...

Page 5: ...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 6: ...1 6 No MA260 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2 1 CD mechanism For the CD mechanism please refer mechanism manual TN2007 1001 No MY003 ...

Page 7: ... joint c on the back side of the main body then remove 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 Fig 3 Remove the front panel assembly and bottom cover 1 Remove the two screws A on the both sides of the main body 2 Release the two joints d and two joints e on the both sides...

Page 8: ...rear bracket 3 1 6 Removing the main board See Figs 5 and 6 Remove the front panel assembly bottom cover and side pan el Reference Remove the front chassis assembly as required 1 Remove the three screws D attaching the rear bracket on the back side of the main body See Fig 5 2 Remove the two screws G attaching the main board See Fig 6 3 Disconnect the connector CN501 on the main board from the mai...

Page 9: ... the CD mechanism assembly Fig 7 3 1 8 Removing the switch board See Figs 8 to 10 Remove the front panel assembly 1 Remove the four screws J on the back side of the front pan el assembly See Fig 8 2 Release the joints f and remove the rear cover See Fig 9 3 Release the joint g and take out the switch board from the front panel assembly See Fig 10 Fig 8 Fig 9 Fig 10 H H CD mechanism assembly Top ch...

Page 10: ... 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 these parts the power amplifier IC and regulator IC will be destroyed by heat Power supply voltage DC14 4V 10 5 to 16V Load im...

Page 11: ...eck the connections between IC541 and IC561 YES NO Is the power supply present at pin 4 pin 50 pin 60 and pin 72 of IC561 YES Check IC561 NO Check the connections of CD8V power supply When the lens is moving Does the S search waveform appear at IC541 pins 8 and 9 4V Check the pickup and its connections YES NO Is the voltage input at pin 15 of IC541 YES NO Is the voltage output at pin 28 of IC561 N...

Page 12: ...voltage output at pin 24 and pin 25 of IC561 Check the connections between IC541 and IC561 YES NO Is the power supply present at pin 3 pin 12 and pin 21 of IC541 YES Check IC541 NO Check the connections of CD8V power supply Is the power supply present at pin 4 pin 50 pin 60 and pin 72 of IC561 YES Check IC561 NO Check the connections of CD8V power supply When the disc is rotated at first Approx 1 ...

Page 13: ...ut components output to pins 1 and 7 of IC151 during playback Is the audio signal output at pin 22 and pin 25 of IC301 during playback Normal YES NO YES YES NO Check IC151 and its peripheral circuits NO Check IC301 and its peripheral circuits YES Check the power amplifier IC321 NO Is 9V present at pin 10 of IC901 YES Check the connections between pin 26 of IC301 and pin 10 of IC901 NO Check IC901 ...

Page 14: ...e optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 5 7 Replacement of laser pickup Is RF output 1 3 0 4Vp p YES NO OK Replace it Tur...

Page 15: ...WH BK GN BK BK Black RD Red BL Blue WH White GN Green VI Violet GY Gray YL Yellow 7 RD 16 YL 8 BK 5 BL WH 3 GN 11 GN BK 2 VI 10 VI BK 4 WH 12 WH BK 1 GY 9 GY BK RD RD 7 YL 4 8 5 7 8 1 2 5 3 6 4 RR Rear Right FR FL RL Rear Left Front Right Front Left REMOTE Remote out ACC MEMORY ACC Line GND Memory Backup Battery Ground ACC MEMORY GND REMOTE RL RL RR RR FL FL FR FR BL WH WH BK GN BK VI BK GY BK ...

Page 16: ... No MA260 Mobile Entertainment Business Group Mobile Entertainment Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 17: ...rams Printed circuit boards 2 1 2 2 2 5 CD ROM No SML200604 SCHEMATIC DIAGRAMS CD RECEIVER No MA260SCH 2006 4 KD G179UR COPYRIGHT 2006 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade ...

Page 18: ...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 19: ...ANT CTRL CD ON LF RF LR RR SDA SCL MUTE SUB W MUTE LINEOUT MUTE ANT SW1 SW2 PSW LM MSW FEED SPINDLE VF1 VF2 VT1 VT2 LD MD VREF SPINDLE FEED TRACKING FOCUS SPK BATTERY KEY0 to 2 LCD SCK LCD SO LCD CE ENC1 ENC2 OUTL OUTR LINE OUT REAR SUBWOOFER FOCUS TRACKING COIL TRACKING FOCUS CD mechanism control section Main amplifier section S601 to S616 KEY MATRIX KEY0 to 2 IC661 LCD DRIVER LCD1 LCD DISPLAY CO...

Page 20: ...27k RT1N141C X 1000p 22 16 KTD1304 X 1k JES01 9D13 3 3k 47k 47k 0 47 2SA1530A R X QAM0089 002 NK 220 6 3 KTD1304 X 47k KDS4148U X 2 7K 1SS355W X 0 01 2 2k 1k 4 7u QTE1H57 255Z QGZ1601J1 15 47k 2SC3928A R X 2SA1530A R X 1SS133 T2 12K 12K KDS4148U X RT1N141C X 2 2k 100 LA4743K 1SS355W X 1SS133 T2 1SS133 T2 0 1 QMFZ047 150 T 0 1 0 1 0 1 1k 1k 1k 2SA1365 F X 22K 1 50 1 50 1k 1 50 10k 0 001 1 8k 10k QG...

Page 21: ...N22002A W TP TP 36K 470p 0 1 220 10 120k 220 10 1A3G T1 0 01 QTE0J57 476Z 0 01 22k 5 6k 22k 22k 22k 22k 150p 1M 0 1 1k 0 01 47 10 10k 0 022 QGB2027M4 22S 2 2 50 0 033 39K 1k 220k 0 62K 150p 100k 18k 100 10 4 7U 0 1k 51k 2k 0 001 0 3 9k 22 22 0 001 0 001 100p 0 047 0 1 0 33 0 0027 0 039 0 0027 0 056 0 047 220k 82k 270k 220k 56k 0 0012 0 1 0 022 0 1 0 1 0 1 0 047 0 1 0 047 220 0 047 100k 470 QTE1A57...

Page 22: ...T6523LQ L 1 2k 0 022 QGZ1601K1 15S 2 2K 51K 0 022 680p 10K 10K 10K 680 680 560 910 680 560 680 910 2 2K 560 680 0 QLD0392 001 0 0 0 0 180K 1SS355W X 360 10K 470 470 330 470 100 0 022 330 330 NSPW310BS BRST 470 MA8062 M X 360 820 SML 310LT MN X NSPW310BS BRST 47K RT1N141C X 1K 2SB624 4 X 470 KEY2 KEY2 ENC1 KEY1 ENC2 CE CLK DATA REMOCON KEY1 LCD SCK DIMOUT 10V KEY0 ACC5V KEY0 LCD CE LCD SO LCD CE LC...

Page 23: ...2 R793 R794 R795 B612 D810 R798 R801 R803 R804 C403 R808 R809 R814 R811 R812 R813 R807 R815 R817 R818 R822 R823 R825 R826 R827 R828 R829 R830 R831 R832 R833 R834 R835 R836 R840 R841 C863 R861 R862 C915 R903 R904 R905 R906 R907 R908 R909 R910 R911 B703 R837 B453 X801 R838 C337 IC501 B752 C719 IC301 R405 Q862 C864 B704 R850 E B854 C340 B757 R842 C713 B759 D905 C715 B756 B758 R797 B755 B922 C341 R338...

Page 24: ... No MA260SCH 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 25: ...vice parts Please refer to the mechanism manual model TN2007 1001 No MY003 for the CD mechanism Contents Exploded view of general assembly and parts list Block No M1 Electrical parts list Block No 01 02 Packing materials and accessories parts list Block No M3 KD G179UR 3 2 3 5 3 8 MA260 ...

Page 26: ...3 2 Exploded view of general assembly and parts list C B C Switch board A B 8 5 5 3 4 4 4 2 9 1 26 27 48 17 16 23 24 22 21 36 37 25 20 19 18 28 29 29 13 10 15 7 14 30 3 33 32 Block No M M M 1 ...

Page 27: ...3 3 B Main board A C A 35 9 13 10 9 11 12 15 7 14 30 38 33 32 39 31 34 47 40 46 41 45 42 44 6 43 The parts without symbol number are not service ...

Page 28: ...BUTTON 20 GE31970 001A SEL BUTTON 21 GE20188 001A PRESET BUTTON 22 GE31971 001A SEARCH BUTTON 23 GE31972 001A DETACH BUTTON 24 GE40202 013A COMP SPRING 25 GE31973 001A EJECT BUTTON 26 GE31974 004A VOL KNOB 27 GE40323 003A SHEET 28 GE10140 002A REAR COVER 29 VKZ4777 010 MINI SCREW x4 30 GE31975 001A LCD CASE 31 GE31977 001A LENS CASE 32 GE31976 001A LCD LENS 33 GE40297 001A LIGHTING SHEET 34 GE3189...

Page 29: ...420 NDC31HJ 101X C CAPACITOR 100pF 50V J C427 QEKJ1CM 226Z E CAPACITOR 22uF 16V M C432 NCB31EK 104X C CAPACITOR 0 1uF 25V K C433 NCB31EK 104X C CAPACITOR 0 1uF 25V K C434 QFV91HJ 474Z MF CAPACITOR 0 47uF 50V J C435 QFV91HJ 474Z MF CAPACITOR 0 47uF 50V J C501 NCB31EK 104X C CAPACITOR 0 1uF 25V K C502 QEKJ1CM 106Z E CAPACITOR 10uF 16V M C504 QEKJ1AM 107Z E CAPACITOR 100uF 10V M C505 NCB31EK 104X C C...

Page 30: ...SA63J 224X MG RESISTOR 220kΩ 1 16W J Symbol No Part No Part Name Description Local R512 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R513 NRSA63J 473X MG RESISTOR 47kΩ 1 16W J R516 NRSA63J 623X MG RESISTOR 62kΩ 1 16W J R518 NRSA63J 105X MG RESISTOR 1MΩ 1 16W J R524 NRSA63J 332X MG RESISTOR 3 3kΩ 1 16W J R525 NRSA63J 152X MG RESISTOR 1 5kΩ 1 16W J R526 NRS181J 120X MG RESISTOR 12Ω 1 8W J R541 NRSA02J 682X...

Page 31: ...310VT JK X LED D652 NSPW310BS BRST LED D653 NSPW310BS BRST LED D661 1SS355W X DIODE C M D662 UDZW5 1B X SB DIODE Symbol No Part No Part Name Description Local C661 NBE20JM 106X TA E CAPACITOR 10uF 6 3V M C662 NDC31HJ 681X C CAPACITOR 680pF 50V J C663 NCB31HK 223X C CAPACITOR 0 022uF 50V K C686 NCB31HK 223X C CAPACITOR 0 022uF 50V K C687 NCB31HK 223X C CAPACITOR 0 022uF 50V K R601 NRSA63J 681X MG R...

Page 32: ...3 8 Packing materials and accessories parts list KIT A2 A1 P2 P4 A3 A4 A6 A7 A5 A9 P5 P1 A8 P3 A10 A11 A12 A13 A14 A15 Block No M M M 3 ...

Page 33: ...871 003 MOUNT BOLT A 5 VKZ4328 003 LOCK NUT A 6 QYWWS53A008ZA WASHER 0mm 5 3mm x A 7 GE40130 002A HOOK x2 A 8 FSJB3002 00E HARD CASE A 9 QAM0089 002 ISO CABLE A 10 INST BOOK A 11 INSTALL MANUAL A 12 TROUBLE SHOOTIN A 13 WARRANTY CARD A 14 WARRANTY CARD A 15 RESIST CARD KIT SRW 385U SCREW PARTS KIT A3 A4 A5 A6 A7 P 1 QPC01002515 SHEET P 2 POLY BAG P 3 POLY BAG P 4 POLY BAG P 5 POLY BAG ...

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