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SERVICE MANUAL

COPYRIGHT © 2007 Victor Company of Japan, Limited

No.MA312

2007/4

DVD/CD RECEIVER

MA312

2007

4SERVICE MANUAL

KD-ADV7380J, KD-DV7300J, KD-DV7301E,

KD-DV7301EU, KD-DV7302E, KD-DV7302EU,

KD-DV7304UI, KD-DV7305U, KD-DV7305UN,

KD-DV7305UT, KD-DV7305A, KD-DV7306U,

KD-DV7306UN, KD-DV7306UT, KD-DV7306A,

KD-DV7307EE, KD-DV7308EE, KD-DV7388UF

COPYRIGHT © 2007 Victor Company of Japan, Limited

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

PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

2

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

3

DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

4

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

5

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

KD-DV7301
KD-DV7302
KD-DV7307
KD-DV7308

KD-ADV7380
KD-DV7300

KD-ADV7380
KD-DV7300

1
2
3
...
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Содержание KD-ADV7380J

Страница 1: ...DV7306UT KD DV7306A KD DV7307EE KD DV7308EE KD DV7388UF COPYRIGHT 2007 Victor Company of Japan Limited 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 PRECAUTION 1 9 2 SPECIFIC SERVICE INSTRUCTIONS 1 12 3 DISASSEMBLY 1 13 4 ADJUSTMENT 1 25 5 TROUBLESHOOTING 1 31 KD D...

Страница 2: ... kHz 531 kHz to 1 602 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 30 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB DVD CD PLAYER SECTION Signal Detection System Non contact optical pickup semiconductor lase...

Страница 3: ... Ω 40 Hz to 20 000 Hz at no more than 0 8 total har monic distortion Load Impedance 4 Ω 4 Ω to 8 Ω allowance Equalizer Control Range Frequencies 60 Hz 150 Hz 400 Hz 1 kHz 2 5 kHz 6 3 kHz 15 kHz Level 10 dB Signal to Noise Ratio 70 dB Audio Output Level Digital DIGITAL OUT Optical Signal wave length 660 nm Output level 21 dBm to 15 dBm Line Out Level Impedance 2 5 V 20 kΩ load full scale Output Imp...

Страница 4: ...er Rate Full Speed Max 12 Mbps Low Speed Max 1 5 Mbps Compatible Device Mass storage class Compatible File System FAT 12 16 32 Playable Audio Video Format DivX MPEG Video MP3 WMA AAC WAV Max Current 500 mA GENERAL Power Requirement Operating Voltage DC 14 4 V 11 V to 16 V allowance Grounding System Negative ground Allowable Operating Temperature 0 C to 40 C Dimensions W H D Installation Size appro...

Страница 5: ...0 pixels 30 fps 720 576 pixels 25 fps Audio Bit Rate DivX 32 kbps 320 kbps MPEG Video 32 kbps 320 kbps Sampling Frequency DivX MPEG 1 32 kHz 44 1 kHz 48 kHz MPEG 2 16 kHz 22 05 kHz 24 kHz Sampling Frequency MPEG Video 32 kHz 44 1 kHz 48 kHz MP3 Bit Rate 32 kbps 320 kbps Sampling Frequency MPEG 1 32 kHz 44 1 kHz 48 kHz MPEG 2 16 kHz 22 05 kHz 24 kHz WMA Bit Rate 32 kbps 320 kbps Sampling Frequency ...

Страница 6: ...V 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 96 kHz 16 Hz to 22 000 Hz CD fs 44 1 kHz 16 Hz to 20 000 Hz Dynamic Range 96 dB...

Страница 7: ...nal to Noise Ratio 70 dB Audio Output Level Digital DIGITAL OUT Optical Signal wave length 660 nm Output level 21 dBm to 15 dBm Line Out Level Impedance 2 5 V 20 kΩ load full scale Output Impedance 1 kΩ Subwoofer out Level Impedance 2 5 V 20 kΩ load full scale Color system PAL Video Output composite 1 Vp p 75 Ω Other Terminal CD changer LINE IN 2nd AUDIO OUT TUNER SECTION Frequency Range FM1 FM2 8...

Страница 8: ...ency 22 05 kHz 32 kHz 44 1 kHz 48 kHz AAC Bit Rate 16 kbps 320 kbps Sampling Frequency 44 1 kHz 48 kHz WAV Quantization Bit Rate 16 bit Sampling Frequency 44 1 kHz USB SECTION USB Standard USB 1 1 USB 2 0 Data Transfer Rate Full Speed Max 12 Mbps Low Speed Max 1 5 Mbps Compatible Device Mass storage class Compatible File System FAT 12 16 32 Playable Audio Video Format DivX MPEG Video MP3 WMA AAC W...

Страница 9: ... 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 10: ...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 replac...

Страница 11: ...t uses visible and or invisible laser radiation and is equipped with safety switches which prevent emission of radiation when the drawer is open and the safety interlocks have failed or are defeated It is dangerous to defeat the safety switches 5 CAUTION If safety switches malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those ...

Страница 12: ...1 12 No MA312 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 13: ...INK See Fig 2 1 Remove the four screws A attaching the HEAT SINK Fig 2 3 1 3 Removing the FRONT CHASSIS See Fig 3 4 1 Remove the two screws B attaching the FRONT CHAS SIS See Fig 3 2 Remove the two screws C attaching the both side of FRONT CHASSIS See Fig 4 3 Disengage the two hooks b engaged both side of the FRONT CHASSIS See Fig 4 Fig 3 Fig 4 hook a hook a hook a A B C hook b ...

Страница 14: ...ig 5 2 Remove the three screws E attaching the MAIN BOARD assembly See Fig 6 3 Disconnect the connector CN501 connected MAIN BOARD assembly and DVD mechanism assembly See Fig 6 Fig 5 Fig 6 3 1 5 Removing the DVD mechanism assembly See Fig 7 1 Remove the three screws F attaching the DVD mechanism assembly Fig 7 D E E CN501 F F ...

Страница 15: ...8 9 1 Remove the VOLUME KNOB 2 Remove the one screw G attaching the REAR COVER See Fig 8 3 Remove the four screws H attaching the REAR COVER See Fig 9 4 Disengage nine hooks c engaged REAR COVER See Fig 9 Fig 8 Fig 9 G H H H H hook c hook c hook c hook c ...

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 MA312 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: ...nk 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 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 rea...

Страница 26: ... half turn at a time but adjust the screws in the cycle of the same level is turned in the pair of b c and the same level is turned in the pair of a b 3 After completing the adjustment secure the screws with screw lock paint Jitter value adjustment procedure Pickup horizontal level adjustment relative to the DVD recording surface For the adjustment tool use a 3 mm wrench and not a screwdriver this...

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: ...ng 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: ...BL WH BR Black Red Blue White Brown 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 TEL ACC Line Telephone Muting GND Ground MEMORY Memory Backup Battery PARKING Parking Brake 1 BK GND 16 YL MEMORY 2 RD ACC 15 OR WH ILL 9 WH FL 10 WH BK FL 12 GY FR 11 GY BK FR 8 GN RL 7 GN BK RL 5 VI RR 6 VI BK RR 3 BL WH REMOTE 13 BR T...

Страница 32: ...Y BK 8 GN 7 GN BK 5 VI 6 VI BK 3 BL WH 14 YG PARKING BRAKE ILLUMINATION CONTROL BK RD BL WH Black Red Blue White GN Green VI Violet GY Gray YL Yellow OR Orange YG Yellow Green RR Rear Right FR Front Right FL Front Left RL Rear Left REMOTE Remote ILL Illuminations Control ACC ACC Line GND Ground MEMORY Memory Backup Battery PARKING Parking Brake GND GND MEMORY ACC ILL FL FL FR FR RL RL RR RR REMOTE...

Страница 33: ... RR RL RL FL FL FR FR ACC MEMORY ILL GND REMOTE TEL TEL MUTING ILLUMINATION CONTROL PARKING BRAKE 14 YG PARKING 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 A...

Страница 34: ... YG PARKING BRAKE ILLUMINATION CONTROL GND GND MEMORY ACC ILL FL FL FR FR RL RL RR RR REMOTE PARKING 4 BL ANT TEL MUTING REMOTE OUT POWER ANTENNA BK RD BL WH BR Black Red Blue White Brown GN Green VI Violet GY Gray YL Yellow OR Orange YG Yellow Green 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 GN...

Страница 35: ...GN BK VI VI BK WH BK GY GY BK RD3 RD2 YL 2 WH 1 3 5 7 2 4 6 8 NC YL 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 VI Violet GY Gray YL Yellow YL NC Green BL WH BK BL BL WH 7 8 5 4 7 1 5 6 3 8 2 2 16 1 8 4 6 5 7 12 10 9 14 11 3 YG YellowGreen YG 4 YG BR OR WH OR Orange OR WH BR 15 13 OR WH BR 6 2 ...

Страница 36: ... No MA312 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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