JVC KD-A725J Скачать руководство пользователя страница 17 | Manualshive

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(No.MA492<Rev.003>)1-17

• For KD-R721BT

RD 1

YL 1

BK

BL / WH

OR / WH

RD 3

RD 2

YL 2

15

16

14

12

2

16

1

3

7

1

5

6

3

8

2

4

15

11

12

10

9

6

5

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8

GY / BK

GY

WH / BK

WH

VI / BK

VI

GN / BK

GN

BK

RD

BL

WH

VI

Black

Red

Blue

White

Violet

GN

GY

Gray

YL

Yellow

Green

OR

Orange

8

7

6

5

16

15

13

4

3

2

1

12

11

10

9

BK

RD1

WH

GN

VI

GY

BL/WH

GN/BK

VI/BK

GY/BK

YL1

NC

WH/BK

NC

LB/YL

OR/WH

14

13

LB

Light Blue

VI

GY

WH

GN

NC

NC

NC

YL2

BK

OR/WH

VI/BK

GY/BK

WH/BK

GN/BK

BL/WH

LB / YL

13

RD2

2

1

3

4

5

6

7

8

9

10

11

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13

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Содержание KD-A725J

Страница 1: ...t 219 Centigrade Lead free solder used in the board material Sn Cu melting point 230 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 6 2 SPECIFIC SERVICE INSTRUCTIONS 1 9 3 DISASSEMBLY 1 9 4 ADJUSTMENT 1 13 5 TROUBLESHOOTING 1 16 For KD A725 KD R720 KD S48 KD S88BT For KD R721BT KD R727BT KD R728BT KD R729BT For KD A725 KD R720 KD R721BT KD R726 KD R728BT KD R729BT KD S48 KD S88BT For KD A725 KD R720 ...

Страница 2: ...ereo Separation 40 dB AM Tuner Sensitivity Selectivity 20 µV 40 dB CD PLAYER 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 Signal to Noise Ratio 98 dB 102 dB For KD S48 Wow and Flutter Less than measurable limit MP3 Decoding Format MPEG1 2 Audio Layer 3 Max Bit Rate 3...

Страница 3: ...ivity 20 µV 40 dB LW Tuner Sensitivity 50 µV CD PLAYER 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 Signal to Noise Ratio 102 dB Wow and Flutter Less than measurable limit MP3 Decoding Format MPEG1 2 Audio Layer 3 Max Bit Rate 320 kbps WMA Windows Media R Audio Decod...

Страница 4: ...ity Selectivity 20 µV 40 dB CD PLAYER 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 Signal to Noise Ratio 98 dB Wow and Flutter Less than measurable limit MP3 Decoding Format MPEG1 2 Audio Layer 3 Max Bit Rate 320 kbps WMA Windows Media R Audio Decoding Format Max Bit...

Страница 5: ...ation 40 dB AM Tuner Sensitivity Selectivity 20 µV 40 dB CD PLAYER 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 Signal to Noise Ratio 98 dB Wow and Flutter Less than measurable limit MP3 Decoding Format MPEG1 2 Audio Layer 3 Max Bit Rate 320 kbps WMA Windows Media R ...

Страница 6: ...ne jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known ...

Страница 7: ...to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 6 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 deta...

Страница 8: ...duct 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 tho...

Страница 9: ...de the Bottom chassis backward to remove it Fig 1 3 1 2 Removing the Front chassis See Fig 2 1 Disengage the four hooks b engaging both sides of the Front chassis Fig 2 3 1 3 Removing the Main board See Fig 3 4 and 5 1 Remove the one screw A attaching the Rear Bracket See Fig 3 Fig 3 2 Remove the two screws B attaching both sides of the Top chassis See Fig 4 Fig 4 3 Remove the three screws C attac...

Страница 10: ...over 3 Disengage the thirteen hooks c engaging the Rear cover Fig 8 3 2 CD mechanism assembly section 3 2 1 Removing the Mecha control board 1 Solder the short land on the pickup See Fig 1 Fig 1 2 Remove the eight wires from the Mecha control board See Fig 2 Fig 2 3 Disconnect the flexible wire from the pickup connected to the connector CN102 on the Mecha control board See Fig 3 4 Remove the two s...

Страница 11: ...om frame assem bly See Fig 5 Fig 5 3 2 3 Removing the Pickup See Fig 6 7 1 Remove the two screws C attaching the feed bracket as sembly See Fig 6 Fig 6 2 Remove the shaft from the TM base See Fig 7 3 Disengage the hook a on the pickup from the TM base See Fig 7 Fig 7 3 2 4 Removing the Spindle motor See Fig 8 9 1 Remove the HC CL Spring from the HC CL base and the TM base and then lift up the HC C...

Страница 12: ...ttaching the spindle motor See Fig 10 Fig 10 3 2 5 Removing the Loading motor 1 Remove the roller arm assembly from the bottom frame as sembly See Fig 11 Fig 11 2 Remove the two screws E attaching the loading motor as sembly and then remove the loading motor assembly in the direction of the arrow See Fig 12 Fig 12 D E ...

Страница 13: ...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 antenna input The loss of 6dB need not be considered sincedirect reading of figures are applied in this working standard 4 5 How to connect the cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regul...

Страница 14: ...on INIT ALL Initialize all data to factory shipment state MECHA DISP CD mechanism No RUNNING 1 For use in running tests Only factory use RUNNING 2 For use in running tests Only factory use CD ERROR Display the CD Error past record stored in EEPROM Total Error Latest 3 errors recorded The first 5 errors recorded CLR ERR Clear CD Error history from EEPROM CDSERV MODE Only engineering use ...

Страница 15: ...tes PI code PTY PTY display of receiving station 00 29 indicates PTY code TP TA TP TA display of receiving station indicates TP ON OFF 1 ON 0 OFF indicates TA ON OFF 1 ON 0 OFF MS DI M S DI display of receiving station indicates M S ON OFF 1 ON 0 OFF indicates DI ON OFF 1 ON 0 OFF AF Display the contents of AF memory by scrolling indicate AF frequencies LEV H Fieldstrength indicator U W H Adjacent...

Страница 16: ...T YL BK GN VI GN BK VI BK WH GY GY BK WH BK RD OR WH 6 1 11 16 12 9 7 5 10 8 15 2 3 BL WH WH RD BK BL GN VI YL Green Gray Yellow Orange OR Violet White Blue Red Black GY 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 BK RD WH GN VI GY BL WH GN BK VI BK GY BK YL NC WH BK NC 14 OR WH LB YL LB YL 13 LB Light Blue ...

Страница 17: ...H BK WH VI BK VI GN BK GN BK RD BL WH VI Black Red Blue White Violet GN GY Gray YL Yellow Green OR Orange 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 BK RD1 WH GN VI GY BL WH GN BK VI BK GY BK YL1 NC WH BK NC LB YL OR WH 14 13 LB Light Blue VI GY WH GN NC NC NC YL2 BK OR WH VI BK GY BK WH BK GN BK BL WH LB YL 13 RD2 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Страница 18: ...K WH BK RD OR WH 6 1 11 16 12 9 7 5 10 8 15 2 3 BL WH WH RD BK LB GN VI YL Green Gray Yellow Orange OR Violet White Light Blue Red Black GY 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 BK RD WH GN VI GY BL WH GN BK VI BK GY BK YL WH BK LB YL 14 OR WH NC 13 LB YL BL Blue BL BL 4 ...

Страница 19: ... 8 GY BK GY WH BK WH VI BK VI GN BK GN BK RD BL WH VI Black Red Blue White Violet GN GY Gray YL Yellow Green OR Orange 8 7 6 5 16 15 13 4 3 2 1 12 11 10 9 BK RD1 WH GN VI GY BL WH GN BK VI BK GY BK YL1 NC WH BK NC NC OR WH 14 13 VI GY WH GN NC NC NC YL2 BK OR WH VI BK GY BK WH BK GN BK BL WH RD2 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Страница 20: ... No MA492 Rev 003 VSE Printed in Japan Victor Company of Japan Limited J K Car Electronics Corporation 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan ...

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