Kenwood KDC-MV6521 Service Manual
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CD RECEIVER
KDC-MPV619/MPV7019
QQ
3 7 63 1515 0
KDC-MPV7020/MV6521
SERVICE MANUAL
• This service manual does not include information on the CD mechanism assembly (exploded view, parts list,
schematic diagram or mechanism operation description).
For such information, please refer to the CD mechanism assembly service manual (X92-4460-0x : B51-7891-00).
KDC-MPV619
KDC-MPV7020
TE
L 13942296513
Remote
controller assy
(A70-2025-05)
: KDC-MPV619
: KDC-MPV7019
DC cord
(E30-4940-05)
: KDC-MPV619
: KDC-MPV7019
: KDC-MPV7020
www
.
Front glass
Panel assy
(A64-2590-02)
(B10-4168-01)
Front glass
Panel assy
(A64-2596-02)
(B10-4174-01)
Remote
Plastic
controller assy
cabinet assy
(A70-2026-05)
(A02-1486-13)
: KDC-MPV7020
DC cord
Mounting
(E30-4958-05)
hardware assy
: KDC-MV6521
(J21-9716-03)
x
ao
u163
y
i
2 9
8
KDC-MPV7019
KDC-MV6521
Q Q
3
6 7
1 3
1 5
Lever
(D10-4589-04)x2
Escutcheon
(B07-3055-02)
co
.
9 4
2 8
© 2002-1 PRINTED IN JAPAN
B51-7893-00 ( N ) 3415
Front glass
Panel assy
(A64-2591-02)
(B10-4169-01)
Front glass
Panel assy
(B10-4178-01)
(A64-2600-02)
0 5
8
2 9
9 4
2 8
Screw set
Screw set
(N99-1656-05)
(N99-1719-05)
: KDC-MPV619
: KDC-MPV7019
: KDC-MPV7020
Antenna adaptor
(T90-0523/0534-05)
: KDC-MV6521
m
9 9
9 9

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Table of Contents
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Summarization of Contents

BLOCK DIAGRAM
System Block Diagram
Overview of system interconnections and major functional blocks.
COMPONENTS DESCRIPTION
Switch Unit Components
Description of components specific to the switch unit.
Electric Unit Components
Description of components within the electric unit.
MICROCOMPUTER TERMINAL DESCRIPTION
IC1 Microcomputer Terminal Pinout
Details of IC1 pin functions, I/O, and processing operations.
TEST MODE
Entering and Exiting Test Mode
Instructions for entering and exiting the unit's test mode.
Test Mode Initial Status and Displays
Initial states, displays, and specifications within the test mode.
Test Mode Specifications and Functions
Details on audio adjustment, menu, backup, and special displays.
CIRCUIT DESCRIPTION
Variable Illumination Circuit
Explanation of the LED illumination circuit operation and voltage control.
PC BOARD COMPONENT SIDE VIEW
Component Layout Diagram
Diagram showing the placement of components on the PCB.
PC BOARD FOIL SIDE VIEW
PCB Trace Layout Diagram
Diagram illustrating the PCB trace layout.
EXPLODED VIEW (UNIT)
Unit Parts Breakdown
Visual breakdown of the main unit assembly with part references.
PARTS LIST
Main Unit Parts List
List of parts for the main unit with part numbers.
Switch Unit Parts List
List of parts for the switch unit (X16-16XX-X0).
Daughter Unit Parts List
List of parts for the daughter unit (X89-25XX-X0).
SPECIFICATIONS
FM Specifications
Detailed technical parameters for FM reception.
AM/LW/CD Specifications
Detailed technical parameters for AM, LW, and CD functions.

Table of Contents