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SERVICE MANUAL

COPYRIGHT © 2006 Victor Company of Japan, Limited

No.MA248

2006/2

DVD/CD RECEIVER

MA248

2006

2

KD-DV4200J,KD-DV4201E,KD-DV4201EU,

KD-DV4202E,KD-DV4202EU,KD-DV4203UI,

KD-DV4204UI,KD-DV4205U,KD-DV4205UN,

KD-DV4205UT,KD-DV4205A,KD-DV4206U,

KD-DV4206UN,KD-DV4206UT,KD-DV4206A,

KD-DV4207EE

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25

5

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31

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Содержание KD-DV4200J

Страница 1: ...KD DV4202EU KD DV4203UI KD DV4204UI KD DV4205U KD DV4205UN KD DV4205UT KD DV4205A KD DV4206U KD DV4206UN KD DV4206UT KD DV4206A KD DV4207EE 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 25 5 TROUBLESHOOTING 1 31 ...

Страница 2: ... 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 DVD CD PLAYER SECTION Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response DVD fs 48 kHz 16 Hz to 22 000 Hz DVD fs 96 kHz 16 Hz to 44 000 Hz VCD CD MP3 WMA 16...

Страница 3: ... 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 Selectivity 20 µV 35 dB LW Tuner Sensitivity 50 µV DVD CD PLAYER SECTION Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response DVD fs 48 kHz 16 Hz to...

Страница 4: ... 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 AM Tuner Sensitivity Selectivity 20 µV 35 dB DVD CD PLAYER SECTION Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response DVD fs 48 kHz 16 Hz to 22 000 Hz DVD fs 96 kHz 16 H...

Страница 5: ...0 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 Selectivity 20 µV 35 dB LW Tuner Sensitivity 50 µV DVD CD PLAYER SECTION Signal Detection System Non contact optical pickup semiconductor laser Number of Channels 2 channels stereo Frequency Response DVD fs 48 kHz 16 Hz to 22 ...

Страница 6: ...rademarks of Dolby Laboratories DTS and DTS 2 0 Digital Out are registered trademarks of Digital Theater Systems Inc iPod is a trademark of Apple Computer inc registered in the U S and other countries SIRIUS and the SIRIUS dog logo are registered trademarks of SIRIUS Satellite Radio Inc XM and its corresponding logos are registered trademarks of XM Satellite Radio Inc SAT Radio the SAT Radio logo ...

Страница 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 ...

Страница 8: ...iode 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 replacement procedur...

Страница 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...

Страница 10: ...1 10 No MA248 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 11: ...e two joints a two joints b and joint c 2 Remove the bottom cover from the main body Caution Do not damage the main board when releasing the joints using a screwdriver or a similar tool Fig 2 3 1 3 Removing the front chassis assembly See Fig 3 Remove the front panel assembly and bottom cover 1 From the both sides of the main body remove the two screws A attaching the front chassis assembly 2 Relea...

Страница 12: ...ide heat sink Fig 4 3 1 5 Removing the rear bracket See Fig 5 Remove the bottom cover 1 From the back side of the main body remove the screws D screw E tow screws F three screws G and screw H at taching the rear bracket 2 Remove the rear bracket Reference The quantity of screws D differs by each model Fig 5 B C Side heat sink Rear bracket F G E G G D H D Rear bracket F G D Cable holder E G G D H D...

Страница 13: ... attaching the main board See Fig 6 3 Disconnect the connector CN961 on the main board from the DVD mechanism assembly and take out the main board from the main body See Fig 6 Fig 6 3 1 7 Removing the DVD mechanism assembly See Fig 7 Remove the front panel assembly bottom cover front chassis assembly side heat sink and main board 1 From the inside of the top chassis remove the three screws K attac...

Страница 14: ...N962 on the main sub board and disconnect the card wire See Fig 9 4 Bend the joint g in the direction of the arrow See Fig 9 5 Remove the two screws N attaching the main sub board and remove the main sub board from the DVD mechanism assembly See Fig 9 Reference When attaching the main sub board align the joints h in the holes of the main sub board before attaching the screws N See Fig 9 When the r...

Страница 15: ...nt panel assembly See Fig 12 3 Release the joint k and take out the switch board while lift ing the switch board from the front panel assembly little by little See Fig 13 Reference Remove the volume knob from the front side of the front panel assembly at the same time Note Do not lose the compression springs when removing the switch board See Fig 13 Fig 11 Fig 12 Fig 13 Q Q Q Joints j Joints j Joi...

Страница 16: ...l board 3 Disconnect the card wire from connector CN201 on the mechanism control board 4 Disconnect the flexible wire from connector CN202 on the mechanism control board 5 Unsolder two soldered points a on the mechanism control board and remove the wire extending from the feed motor 6 Remove the screw A attaching the lug wire 7 Remove the two screws B and screw C attaching the mechanism control bo...

Страница 17: ...pers on the front side See Fig 2 3 Remove the two floating springs on the bottom of the body See Fig 3 4 Move the mechanism section upward and remove from the chassis frame The three damper springs come off from the dampers See Fig 4 Caution When reassembling reattach the damper spring to the damper respectively and insert the three shafts on the bot tom of the mechanism to the dampers Before inse...

Страница 18: ... spring to the clamper unit See Fig 8 2 Move the clamper unit to set the side joints e and f to each boss of the chassis base assembly Make sure that part g is inserted to the notch of the chassis base assembly See Figs 5 and 9 3 Move the part d of the clamper spring to the outside of the bending part of the chassis base assembly See Fig 7 4 Attach the clamper2 spring to the chassis base assembly ...

Страница 19: ... No MA248 1 19 Fig 8 Fig 9 Clamper unit Clamper spring Notch g Clamper unit ...

Страница 20: ...release joint h and release two joints i and j on the right side of the chassis base assembly Then remove the front unit upward See Figs 11 and 12 4 Remove the two screws H attaching the switch board See Fig 12 Reference You can remove the switch board only without removing the front unit Caution When reassembling attach the flexible wire extending from the switch board using the double tape See F...

Страница 21: ...sembly from the front side upward and release the bosses from the right and left joints k and m of the chassis base assem bly 2 Release the boss from notch n of the connect arm on the right side of the body and release the boss from notch p of the slide cam assembly on the left side Fig 13 Fig 14 k n m Loading arm assembly k n m Loading arm assembly p Side cam assembly Connect arm ...

Страница 22: ...o collars and washer from the roller assem bly See Fig 16 Caution After attaching the loading arm assembly to the roller assem bly attach the rod L and R Attach the rods to the right and left collars of the roller See Fig 15 When reattaching the rod L and R to the loading arm as sembly engage each joint as shown in Fig 15 As joints q of the rod L let the rod through q before reattaching it Fig 15 ...

Страница 23: ...eleasing the lead screw at joint s the L S collar comes off at the end of the lead screw When reas sembling reattach the L S collar to the lead screw and engage joint s See Fig 18 When reattaching the L S collar reattach it to the point s of the lead screw and to the rod M Make sure that the L S collar is set on the rod M spring See Fig 18 4 Remove the screw K attaching the rack spring rack plate ...

Страница 24: ...r assembly See Fig 21 and 22 Remove the mechanism control board 1 Remove the feed TRI spring on the bottom of the body See Fig 21 2 Remove the two screws M attaching the feed motor as sembly See Fig 21 3 Remove the slit washer from the motor H assembly and pull out the worm wheel See Fig 22 Remove the two screws N attaching the feed motor See Fig 22 Fig 21 Fig 22 L Spindle motor M Feed motor assem...

Страница 25: ... applied without attaching these parts the power amplifier IC and regulator IC will be destroyed by heat 4 3 Connection method Connection procedure 1 Attach the front chassis assembly to the main board 2 Connect the front panel assembly to the main board 3 Attach the heat sink and rear bracket to the main board 4 Attach the extension studs to the DVD mechanism assembly 5 Connect the DVD mechanism ...

Страница 26: ...ter value is outside the 12 tolerance range perform the following adjustments 1 Set the unit to the service mode and display a jitter value hex data on the LCD 2 Turn each of the screws a b and c by a half turn per step in the direction that reduces the jitter value in order to minimize it Do not turn a screw more than a half turn at a time but adjust the screw in the cycle of same level turn by p...

Страница 27: ...E972 E93E E90A E8D6 E8A2 E86E E83A E806 E7D2 4 7 4 8 4 9 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 7 0 7 1 7 2 7 3 7 4 7 5 7 6 7 7 7 8 7 9 8 0 8 1 8 2 8 3 8 4 E79E E76A E736 E702 E6CE E69A E666 E632 E5FE E5CA E596 E562 E52E E4FA E4C6 E492 E45E E42A E3F6 E3C2 E38E E35A E326 E2F2 E2BE E28A E256 E222 E1EE E1BA E186 E152 E11E E0EA E0B6 E082 E04E E01A 8 5 8 6 8 7 8...

Страница 28: ...g it operate each indication with the DISC UP button and DISC DOWN button Note There is the model that is not equipped with this mode by a version CLR ERR is Clear loading ejection error history The error history stored in the EEPROM is cleared indicated on the LCD indicated on the LCD indicated on the LCD indicated on the LCD indicated on the LCD Press the SEL key Press the SEL key Press the SEL ...

Страница 29: ...n 0 1 1 1 0 Disc insert Eject detection completion 0 0 1 1 0 Reload start 0 1 1 1 0 1 1 1 1 0 1 1 1 0 0 1 1 1 0 1 Load completion Eject start Load completion Transition in the center loading Similar to 12cm in the side loading Chart 1 2 8cm Disc switch status transition 3 1 3 1 1 2 2 2 2 2 Route No EJECT route No 1 2 A B Thermistor s temperature data readout Data in the temperature sensor in the D...

Страница 30: ...SEL Indication of temperature TEMP TEMP Temperature 10 MODE Search jitter measurement to an appointed DVD JIT position of DVD PLC Position measured with JIT VT 501 jitter value 11 BAND Setting of MONITOR terminal MONITOR M1 M2 12 DISC UP DVDx1 double speed start PLAY After start it is measured JITTER on the CUR Laser current value internal position JIT Jitter value 13 DISC DW Disc stopped LD OFF S...

Страница 31: ...3 3V power supply Is the power supply present at pin 19 and pin 28 of IC201 YES Check IC201 NO Check the connections of M8V power supply YES Is the power supply present at pin 10 of IC201 NO Check the connections of M5V power supply Is the power supply present at pin 6 of IC301 NO Check the connections of D3 3V power supply Is the voltage input at pin 3 of IC201 YES NO Is the voltage output at pin...

Страница 32: ... pin 14 of IC251 YES Check IC501 NO Check the connections of D5V power supply YES Is the power supply present at pin 15 and pin 25 of IC501 NO Check the connections of M8V power supply YES Check IC301 Is the power supply present at pin 6 of IC301 NO Check the connections of D3 3V power supply Is the power supply present at pin 6 of IC301 NO Check the connections of D3 3V power supply Is the voltag...

Страница 33: ...current 5 7 Replacement of laser pickup No sound from either channel Is 9V present at pin 32 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 IC411 during playback Normal YES NO YES NO Check IC411 and its peripheral circuits NO Is 9V present at pin 10...

Страница 34: ...E 1 BK 16 YL 2 RD 9 WH 10 WH BK 12 GY 11 GY BK 8 GN 7 GN BK 5 VI 6 VI BK 3 BL WH 14 YG BK RD BL WH Black Red Blue White GN Green VI Violet GY Gray YL Yellow YG Yellow Green RR Rear Right FR Front Right FL Front Left RL Rear Left REMOTE Remote ACC ACC Line GND Ground MEMORY Memory Backup Battery PARKING Parking Brake GND MEMORY ACC FL FL FR FR RL RL RR RR REMOTE PARKING ...

Страница 35: ... GN BK 7 RD 16 YL 1 BK 3 BL WH 13 BR 8 GN 7 GN BK 5 VI 6 VI BK 10 WH BK 12 GY 11 GY BK RD RD 7 YL 4 8 5 2 7 8 1 2 5 6 3 4 9 WH RR RR RL RL FL FL FR FR ACC MEMORY GND REMOTE TEL PARKING BRAKE 14 YG PARKING BK RD BL WH BR Black Red Blue White Brown GN Green VI Violet GY Gray YL Yellow RR Rear Right FR Front Right FL Front Left RL Rear Left REMOTE Remote PARKING Parking Brake ACC TEL ACC Line Telepho...

Страница 36: ...YL 2 RD 9 WH 10 WH BK 12 GY 11 GY BK 8 GN 7 GN BK 5 VI 6 VI BK 3 BL WH 14 YG BK RD BL WH Black Red Blue White GN Green VI Violet GY Gray YL Yellow YG Yellow Green RR Rear Right FR Front Right FL Front Left RL Rear Left REMOTE Remote ACC ACC Line GND Ground MEMORY Memory Backup Battery PARKING Parking Brake GND MEMORY ACC FL FL FR FR RL RL RR RR REMOTE PARKING ANT Auto Antenna 4 BL ANT REMOTE OUT P...

Страница 37: ... No MA248 1 37 ...

Страница 38: ... No MA248 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 ...

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