JVC KD-SD631E Service Manual Download

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SERVICE MANUAL

No.MA511<Rev.001>

2011/12

CD RECEIVER

MA511<Rev.001>

2011

SERVICE MANUAL

KD-SD631E, KD-SD631EN,
KD-SD631EY, KD-SD636U,

KD-SD636UN, KD-SD636UP,

KD-SD636UT, KD-SD637EE

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)

DETACH PANEL

KD-SD631E
KD-SD631EN

KD-SD631EY
KD-SD636U
KD-SD636UN
KD-SD636UT
KD-SD636UP
KD-SD637EE

CP-SD631ED
CP-SD631ED
CP-SD631ED
CP-SD636UD
CP-SD636UD
CP-SD636UD
CP-SD636UD
CP-SD637EED

Model

Parts number

For EUROPE

Summary of Contents for KD-SD631E

Page 1: ...OPYRIGHT 2011 JVC KENWOOD Corporation 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 DETACH PANEL KD SD631E KD SD631EN KD SD631EY KD SD636U KD SD636UN KD SD636UT KD SD636UP KD SD637EE CP SD631ED CP SD631ED CP SD631ED CP SD636UD CP SD636UD CP SD636UD CP SD636UD CP SD637EED Model Parts n...

Page 2: ...uency Range 531 kHz to 1 611 kHz Sensitivity Selectivity 20 µV 40 dB CD PLAYER SECTION 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 USB SECTION USB Standard USB 1 1 USB 2 0 Data Transfer Rate Full Speed Max 12 Mbps Compatible Dev...

Page 3: ...1 kHz to 1 611 kHz LW 153 kHz to 279 kHz Sensitivity Selectivity MW 20 µV 40 dB LW 50 µV CD PLAYER SECTION 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 USB SECTION USB Standard USB 1 1 USB 2 0 Data Transfer Rate Full Speed Max 12...

Page 4: ...one 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...

Page 5: ... 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 det...

Page 6: ...his laser product 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 o...

Page 7: ... Fig 1 3 1 2 Removing the Front chassis See Fig 2 1 Disengage the 4 hooks b engaging both sides of the Front chassis Fig 2 3 1 3 Removing the Erectric unit See Fig 3 4 and 6 1 Remove the 1 screw A attaching the Rear bracket See Fig 3 Fig 3 2 Remove the 2 screws B attaching both sides of the Top chassis See Fig 4 Fig 4 3 Remove the 3 screws C attaching the Main board See Fig 5 Fig 5 4 Disconnect th...

Page 8: ... 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 8 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 2 screws A attaching the Mecha control board See Fig 3 Fig 3 D D D E E E E...

Page 9: ...rame assembly See Fig 5 Fig 5 3 2 3 Removing the Pickup See Fig 6 7 1 Remove the 2 screws C attaching the feed bracket assem bly 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 CL base ...

Page 10: ... attaching 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 2 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 ...

Page 11: ...1 hour the display is indicated per 10 minutes 00001 10922 are displayed in XXXXX MAX 10922 hours DOWN Disc operation duration display 00 50 are displayed in X X For less than 1 hour the display is indicated per 10 minutes 00001 10922 are displayed in XXXXX MAX 10922 hours BRIGHTNESS TAG iPod SD Disc eject number of times 00001 99999 are displayed in XXXXX BRIGHTNESS TAG iPod SD Disc eject number ...

Page 12: ... error count information display count skip CD DA error count number information CD DA error count numbers XX numbers of errors and when there is none Can only be checked via debugger by jap member CD ROM compressed file error count numbers XX numbers of errors and when there is none Can only be checked via debugger by jap member CD time code error count information display no count update CD time...

Page 13: ... is not detected in case that none of capacitor leakage wrong con nection or other detection is found D C E R R D C O K Operation Display content Detail UP DC ERR1 display When wrong connection DC error in other detection duration is detected When wrong connection DC error in other detection duration is not detected UP DC ERR1 clear Clear detection information when wrong connection DC er ror in ot...

Page 14: ...0th error occurred in Mis connect detection period judge as Mis connect If detected error 10 consecutive times and 10th error occurred in Capacitor leak detection period judge as Capacitor leak If detected error 10 consecutive times and 10th error occurred in Other detection period and detected another 10 errors con secutively then judge as Other If judge as Mis connect turn off speaker output dis...

Page 15: ... No MA511 Rev 001 15 16 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 16: ... No MA511 Rev 001 VSE Printed in Japan JVC KENWOOD Corporation Car Electronics Business Group 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan ...

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