Kenwood KDC-MP858 Service Manual

Kenwood KDC-MP858 Service Manual

Cd receiver
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CD RECEIVER
KDC-MP6025/MP625
/MP858
/W6527/W6527Y
SERVICE MANUAL
KDC-MP6025
(K3)
KDC-MP625
(K2)
Panel assy
(A64-3213-02) :K2
(A64-3214-02) :K3
KDC-MP858
(M1)
Panel assy
(A64-3215-02)
KDC-W6527
(E)
KDC-W6527Y
(E1)
Panel assy
(A64-3217-02)
Plastic cabinet assy
(A02-2732-03)
Remote controller assy (RC-505)
(A70-2059-05) :K2K3M1
Size AA battery
(Not suplied) :K2K3M1
Lever
Mounting hardware assy
(D10-4589-04)
(J21-9716-03)
x2
Remote controller assy (RC-420)
(A70-2055-05) :EE1
TDF PANEL INFORMATION
MODEL
TDF PANEL No. TDF NAME
KDC-MP625/MP858
Y33-1990-61
KDC-MP6025
Y33-1990-62
KDC-W6527/W6527Y Y33-1990-63
© 2004-1 PRINTED IN JAPAN
B53-0124-00 ( N ) 2704
CD MECHANISM EXTENSION CORD (24P) : W05-0935-00
DC cord
(E30-6294-05) :M1
(E30-6295-05) :K2K3
Screw set
(N99-1723-05) :K2K3M1
Screw
(N09-6212-05)
TDF-46D
TDF-46DB
TDF-W6527
Escutcheon
(B07-3098-02) :K2
(B07-3100-02) :K3
Escutcheon
(B07-3098-02)
Escutcheon
(B07-3083-02)
DC cord
(E30-6063-15) :EE1
Antenna adaptor
(T90-0523-05) :EE1

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Table of Contents
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Summarization of Contents

Component Descriptions
Sub-Circuit Unit Components
Lists components and their functions for the sub-circuit unit.
Electric Unit Components
Lists components and their functions for the electric unit.
Microcomputer Terminal Descriptions
System Microcomputer Pinout
Detailed pin descriptions for IC1.
Panel Microcomputer Pinout
Detailed pin descriptions for IC1 on the panel microcomputer.
Test Mode Operations
Entering and Releasing Test Mode
Procedures for activating and deactivating the test mode.
Test Mode Initial Conditions
States the default settings upon entering test mode.
RDS Automatic Measurement
Procedure for RDS data confirmation within test mode.
Tuner Mode Special Displays
Explains special screen displays in tuner mode.
CD Receiver Test Mode Specifications
Details track navigation and display behavior in test mode.
Audio Adjustment Procedures
Describes audio adjustment controls and settings within test mode.
Backup Current Measurement Behavior
Explains specific behavior during backup current measurement.
Lamp Display and Menu Operations
Describes lamp displays and MENU operation in test mode.
Audio Settings Initialization
Resets audio settings to default values during standby.
DC Error Clearing Procedure
Procedures for clearing E2PROM DC error data.
Security Functions and Codes
Details for forced power-on, code registration, and security code clearing.
PC Board Layouts
Main PC Board Component View
Visual layout of components on the main PC board.
Main PC Board Foil View
Visual layout of traces on the main PC board's foil side.
CD Player Unit Component View
Visual layout of components on the CD player unit PC board.
CD Player Unit Foil View
Visual layout of traces on the CD player unit PC board's foil side.
Sub-Circuit Unit Component View
Visual layout of components on the sub-circuit unit PC board.
Schematic Diagrams
Electric Unit Schematic Diagram
Detailed electrical schematic for the electric unit.
Electric Unit Connector Pinouts
Details the pin assignments for connectors on the Electric Unit.
Sub-Circuit Unit Schematic
Detailed electrical schematic for the sub-circuit unit.
CD Player Unit Schematic
Detailed electrical schematic for the CD player unit.
Exploded Views
Exploded View - CD Mechanism
Diagram showing the assembly of the CD mechanism.
Exploded View - Main Unit
Diagram showing the assembly of the main unit.
Parts List
Mechanical Parts and Assemblies
Lists mechanical parts, cabinets, panels, and accessories.
Connectors, Fasteners, and Manuals
Lists cable connectors, screws, springs, washers, and instruction manuals.
Electronic Components (General)
Lists general electronic components like resistors, capacitors, diodes, ICs, and transistors.
Electric Unit Components
Lists components for the electric unit.
CD Player Unit Components
Lists components specific to the CD Player Unit.
Electric Unit Detailed Component List
Continues listing electric unit resistors, capacitors, diodes, and transistors.
Technical Specifications
FM Specifications
Details FM reception frequency range, sensitivity, and audio characteristics.
AM/LW Specifications
Details AM and LW reception frequency range and sensitivity.
CD Specifications
Details CD playback specifications like laser, filter, and speed.
Amplifier and Tone Specifications
Details amplifier output power, tone controls, and audio response.
General Unit Specifications
Covers operating voltage, current consumption, dimensions, and weight.

Table of Contents