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SERVICE MANUAL

COPYRIGHT © 2007 Victor Company of Japan, Limited

No.MA340

2007/6

CD RECEIVER

MA340

2007

6SERVICE MANUAL

KD-G489UR

COPYRIGHT © 2007 Victor Company of Japan, Limited

* Please refer to the mechanism manual (model TN2007-1010 (

No.MY005

No.MY005B

))

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 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

Destacável

Содержание KD-G489UR

Страница 1: ...Please refer to the mechanism manual model TN2007 1010 No MY005 No MY005B Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade Lead free solder used in the board material Sn Cu melting point 230 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 Destacável ...

Страница 2: ...kHz 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 AM Tuner Sensitivity Selectivity 20 µV 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor laser...

Страница 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 ...

Страница 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 ...

Страница 5: ... No MA340 1 5 1 5 Important for laser products REPRODUCTION AND POSITION OF LABELS and PRINT WARNING LABEL and PRINT ...

Страница 6: ...1 6 No MA340 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 7: ...ks a engaged Bottom cover Fig 1 3 1 2 Removing the Front chassis See Fig 2 3 1 Remove the two screws A attaching the Front chassis See Fig 2 2 Remove the two screws B both side attaching the Front chassis See Fig 3 3 Disengage the Two Hooks b engaged Front chassis See Fig 3 Fig 2 Fig 3 hook a hook a hook a A B hook b ...

Страница 8: ...g the CD CH jack 4 Remove the one screw H attaching the IC bracket 5 Remove the one screw J attaching the Remote cable only for KD AR480 and KD G531 6 Remove the two screws K attaching the 16pin connector jack 7 Remove the three screws L attaching the Rear bracket Fig 5 3 1 5 Removing the Main board assembly See Fig 6 1 Remove the two screws M attaching the Main board as sembly 2 Disconnect the co...

Страница 9: ... See Fig 8 1 Remove the Volume knob from the Front panel assembly 2 Remove the six screws P attaching the Rear cover 3 Disengage the nine Hooks c engaged Rear cover 4 Lift up the Switch board assembly and then takeout it Fig 8 3 2 CD mechanism assembly For CD mechanism please refer mechanism manual TN2007 1010 No MY005 No MY005B N N N P P P P P P hook c hook c hook c hook c ...

Страница 10: ... volume Indication 0 Loudness OFF 4 4 Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and an tenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard 4 5 How to connect the extension cable for adjustment CAUTION Be sure to attach the heat sink and rear bracket ont...

Страница 11: ...t GY Gray YL Yellow BL WH WH BK GN BK VI BK GY BK OR Orange 1 3 5 7 2 4 6 8 VI GY WH GN VI BK GY BK WH BK GN BK 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 15 ...

Страница 12: ... No MA340 VPT Printed in Japan Victor company of Japan Limited Mobile Entertainment Business Group Mobile Entertainment Category 10 1 1chome Ohwatari machi Maebashi city Gumma ken 371 8543 Japan ...

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