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Kenwood KDC-X491 KDC-W4537UA Service Manual

Kenwood KDC-X491 KDC-W4537UA Service Manual

Kdc-mp4036u; kdc-mp435u; kdc-x491; kdc-w4537ua; kdc-w4537uay; kdc-w4537ug; kdc-w4537ugy; kdc-w4737u; kdc-w4737uy
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CD RECEIVER
KDC-MP4036U/MP435U/X491
KDC-W4537UA/W4537UAY
KDC-W4537UG/W4537UGY
KDC-W4737U/W4737UY
SERVICE MANUAL
Panel assy
KDC-MP4036U (A64-4129-12)
Panel assy
KDC-W4537Uxx (A64-4127-12)
Panel assy
KDC-X491 (A64-4221-12)
Mounting hardware assy
(J21-9716-03)
* Antenna adaptor
* Screw set
(T90-0523-05)
(N99-1757-05)
* Depends on the model. Refer to the parts list.
KDC-MP4036U
KDC-W4537U
KDC-X491
* DC cord
* DC cord
(E30-6428-05)
(E30-6671-05)
Lever
* Plastic cabinet assy
(D10-4589-04) x2
(A02-2736-03)
This product complies with the
© 2007-4 PRINTED IN JA PAN
B53-0513-00 ( N ) 552
Panel assy
KDC-MP435U (A64-4126-12)
Panel assy
KDC-MP4737U/MP4737UY (A64-4175-12)
SPARE TDF PANEL
MAIN UNIT NAME
TDF PARTS No.
KDC-MP4036U
Y33-2720-64
KDC-MP435U
Y33-2720-61
KDC-W4537UA
Y33-2720-63
KDC-W4537UAY
Y33-2720-63
KDC-W4537UG
Y33-2720-63
KDC-W4537UGY
Y33-2720-63
KDC-W4737U
Y33-2720-62
KDC-W4737UY
Y33-2720-62
KDC-X491
Y33-2720-60
* Remote controller assy (RC-xxx)
(A70-xxxx-xx)
* Carrying case
(W01-xxxx-xx)
This product uses Lead Free solder.
RoHS
KDC-MP435U
KDC-W4737U
TDF NAME
TDF-MP4036U
TDF-MP74D
TDF-W4537U
TDF-W4537U
TDF-W4537U
TDF-W4537U
TDF-W4737U
TDF-W4737U
TDF-MP74DX
Battery
(Not supplied)
Escutcheon
(B07-3125-01)
directive for the European market.

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Summarization of Contents

Test Mode Operations
How to Enter Test Mode
Procedure to access the diagnostic test mode.
CD Source Test Mode Specification
Details for testing CD playback modes and tracks.
Audio Adjust Mode
Adjusting audio parameters like Fader, Balance, Bass, Treble.
Key Function Descriptions in Test Mode
Explains specific key presses and their functions in test mode.
Clearing CD Mechanism Information
Resetting CD mechanism and service data in E2PROM.
Security Code Registration
Process for registering security codes on the unit.
DC Offset Error Detection
Purpose of DC Offset Error Detection
Prevents damage to speakers and audio system from DC occurrence.
Processing after DC Error Detection
Actions taken upon detecting DC error, including saving data and muting.
Display Specification for DC Offset Error
How the "PROTECT" message is displayed and blinks.
Cancel Condition for DC Offset Error
Procedures to cancel the DC offset error detection mode.
Parts List
Parts List for KDC-MP4036U/MP435U/X491
List of parts for specific KDC models.
Parts List for Switch Unit
List of components for the Switch Unit (X16-389x-xx).
Parts List for CD Player Unit
List of components for the CD Player Unit (X32-5980-02).
Parts List for Electric Unit
List of components for the Electric Unit (X34-466x-xx).
Parts List for Mechanism Assembly
List of parts for the CD Mechanism Assembly (DXM-6C20W).
Specifications
FM Tuner Section Specifications
Technical details for the FM radio tuner performance.
CD Player Section Specifications
Technical details for CD playback functionality and performance.
Audio Section Specifications
Technical details for audio output power, impedance, and tone controls.
USB Interface Specifications
Details on USB connectivity, file systems, and supported formats.