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SERVICE MANUAL
SERVICE MANUAL
12
2011
MA511<Rev.001>
KD-SD631E, KD-SD631EN,
KD-SD631EY, KD-SD636U,
KD-SD636UN, KD-SD636UP,
KD-SD636UT, KD-SD637EE
COPYRIGHT © 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)
CD RECEIVER
For EUROPE
COPYRIGHT © 2011 JVC KENWOOD Corporation
DETACH PANEL
Model
Parts number
KD-SD631E
CP-SD631ED
KD-SD631EN
CP-SD631ED
KD-SD631EY
CP-SD631ED
KD-SD636U
CP-SD636UD
KD-SD636UN
CP-SD636UD
KD-SD636UT
CP-SD636UD
KD-SD636UP
CP-SD636UD
KD-SD637EE
CP-SD637EED
No.MA511<Rev.001>
2011/12
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Related Manuals for JVC KD-SD631E
Summary of Contents for JVC KD-SD631E
- Page 1 For EUROPE KD-SD637EE CP-SD637EED COPYRIGHT © 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) No.MA511<Rev.001>...
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Page 2: Usb Section
SPECIFICATION For ASIA AUDIO AMPLIFIER SECTION Maximum Power Output 50 W per channel Continuous Power Output (RMS) 20 W per channel into 4Ω, 40 Hz to 20 000 Hz at less than 1% total harmonic distortion. Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Frequency Response 40 Hz to 20 000 Hz Signal-to-Noise Ratio... - Page 3 SPECIFICATION For EUROPE AUDIO AMPLIFIER SECTION Maximum Power Output 50 W per channel Continuous Power Output (RMS) 20 W per channel into 4Ω, 40 Hz to 20 000 Hz at less than 1% total harmonic distortion. Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Frequency Response 40 Hz to 20 000 Hz Signal-to-Noise Ratio...
- Page 4 SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
- Page 5 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
- Page 6 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.
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Page 7: Specific Service Instructions
SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Main body (Used model: KD-SD631E) (2) Remove the 2 screws B attaching both sides of the Top chassis. (See Fig.4) 3.1.1 Removing the Bottom chassis (See Fig.1) (1) Disengage the 7 hooks a engaging the Bottom chassis. - Page 8 3.1.4 Removing the CD mechanism (See Fig.7) CD mechanism assembly section (1) Remove the 3 screws D attaching the CD mechanism. 3.2.1 Removing the Mecha control board (1) Solder the short land on the pickup. (See Fig. 1) SOLDER Fig.1 (2) Remove the 8 wires from the Mecha control board.
- Page 9 3.2.2 Removing the Traverse mechanism (See Fig.4, 5) (2) Remove the shaft from the TM base. (See Fig.7) (1) Remove the 5 springs from the traverse mechanism. (See (3) Disengage the hook a on the pickup from the TM base. Fig.4) (See Fig.7) shaft...
- Page 10 (2) Remove the HC CL. base from the holes on the TM base. 3.2.5 Removing the Loading motor (See Fig.9) (1) Remove the roller arm assembly from the bottom frame as- sembly. (See Fig.11) Fig.9 (3) Remove the 2 screws D attaching the spindle motor. (See Fig.10) Fig.11 (2) Remove the 2 screws E attaching the loading motor as-...
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Page 11: Section 4 Adjustment
SECTION 4 ADJUSTMENT Service Test mode Default status immediately after the mode activation Operating Key : [MENU] → [DOWN] (7sec) 4.1.1 Mode content Syscon shall display the following information after entering this mode. The operation shown below shall be workable. Display content Detail The display is released when another operation is executed. - Page 12 4.1.3 CD error information display mode Operation Display content Detail CD mecha error Mecha error history 1,2,3 (latest) log display # = History No. (1,2,3) XX : kind of errors, " -- " when there is none. 00: No Error 04: TOC read Error 05: Unknown CD 06: Heat Error...
- Page 13 DC error information mode * The receiver is connected with the DC power supply (with the power supply turned off). Operating Key : [MENU] → [UP] → [DC power supply turned ON] 4.2.1 Mode content Syscon shall display the following information after entering this mode. The operation shown below shall be workable. Display content Detail When DC error is detected (in case that one of capacitor leakage, wrong...
- Page 14 DC Offset error description 4.3.5 Manipulate after detect DC Offset • If detected error 10 consecutive times, and 10th error occurred 4.3.1 DC Offset detection circuit design in "Mis-connect detection period", judge as "Mis-connect". • Purpose: • If detected error 10 consecutive times, and 10th error occurred To prevent breakdown, burning and emitting smoke from cus- in "Capacitor leak detection period", judge as "Capacitor leak ".
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Page 15: Section 5 Troubleshooting
SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MA511<Rev.001>)15/16... - Page 16 JVC KENWOOD Corporation Car Electronics Business Group 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525, Japan (No.MA511<Rev.001>) Printed in Japan...