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KD-S721R
JVC KD-S721R Service Manual
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1-5
KD-S723R/KD-S721R
Main unit
Location of main par
ts
Control unit
CD mechanism
Displa
y
LED & ke
y control board
Main board
T
uner
pack
Main board
Connector to controller
P
ower IC
ISO connector
Antenna jack
Loading motor
Mechanism rela
y board
Damper
Pickup unit
Damper
F
eed motor
Spindle motor
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
4
6
Table of Contents
Safety Precaution
2
Preventing Static Electricity
3
Handling the Traverse Unit (Optical Pickup)
3
Important for Laser Products
4
Class 1 Laser Product
4
Warning Label
4
Location of Main Parts
5
Control Unit
5
Main Unit
5
Disassembly Method
6
CD Mechanism Section
8
Removing the Pickup Unit
10
Adjustment Method
11
Flow of Functional Operation until TOC Read
12
Feed Motor
12
Feed Section
13
Maintenance of Laser Pickup
14
Replacement of Laser Pickup
14
Description of Major Ics
15
Pin Function
22
Block Diagram
26
Tuner Pack
31
Line Output
31
Standard Schematic Diagrams
33
Printed Circuit Boards
36
Parts List
37
Exploded View of General Assembly and Parts List
38
Lock Lever
39
Front+Rear
39
CD Mechanism Assembly and Parts List
40
Packing Materials and Accessories Parts List
48
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JVC KD-S721R Specifications
General
Brand
JVC
Model
KD-S721R
Category
Car Receiver
Language
English
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