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JVC
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MX-JD3
JVC MX-JD3 Service Manual
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2-2
SHEET 1
Standard sc
hematic diagrams
Primary section
(SHEET 2)
(SHEET 4)
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
CN250
R2014
C2018
C2017
F103
Q2011
C2019
D2010
T001
C2015
C2010
D2016
D2015
D2020
F104
R2010
Q2010
F102
D2012
D2013
D2011
F101
F001
F003
S500
CN119
R2013
CN101
D2018
D2017
R2011
R2012
C2012
C2013
C2014
C2011
D2019
QGA7901F2-02
0.33
0.1
0.1
T2AL
2SC2785/FE/-T
0.022
1N5402M-20
10/25
100/63
1N4003S-T5
1N4003S-T5
MTZJ6.8B-T2
T3.15AL
4.7
KTC2026/OY/
T3.15AL
1N5402M-20
1N5402M-20
1N5402M-20
T3.15AL
T4AL
T2AL
QSW0812-001
QGA3901C1-08
100K
QGD2501C1-03
MTZJ20B-T2
15K
100K
22/50
22/50
0.01
22/160
MTZJ18B-T2
S1
S4L
FL1
FL2
CT
S1
S2
S4H
CTS4
S2
37V
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
62
64
Table of Contents
Area Suffix
1
Table of Contents
1
Specification
2
Precaution
3
Safety Precautions
3
Warning
3
Critical Parts for Safety
3
Preventing Static Electricity
4
Grounding to Prevent Damage by Static Electricity
4
Handling the Traverse Unit (Optical Pickup)
4
Attention When Traverse Unit Is Decomposed
4
Warning Label
5
Reproduction and Position of Labels
5
Important for Laser Products
5
Specific Service Instructions
6
Main Body Section
7
Removing the Metal Cover
7
Disassembly
7
Removing the Front Panel Assembly
8
Removing the Tuner
10
Removing the Video Board
10
Removing the Rear Panel
11
Removing the DVD Mechanism Assembly
12
Removing the Main Board
13
Removing the Fan
14
Removing the Center Chassis Assembly
14
Removing the Transformer Board
15
Removing the Speaker Terminal Board
15
Removing the Primary Board
17
Removing the FL Board
18
Removing the Switch Board
18
Removing the Cassette Mechanism Assembly
18
DVD Mechanism Section
19
Removing the Tray Assembly
19
See Figs.1 to
19
No.mb191)1
20
Removing the DVD Servo Board
20
Removing the Traverse Mechanism Assembly
20
Removing the Pickup
21
Attaching the Pickup
22
Removing the Feed Motor
22
Removing the Spindle Motor Board
23
Removing the Motor
23
Cassette Mechanism Assembly Section
24
Removing the Main Motor and Replacing the Main Belts
24
Replacing the F/R Belts
24
No.mb191)1
24
Removing the Clutch Assemblies
25
No.mb191)1
26
Removing the Leaf Switches
26
Removing the PB Head Block
26
Removing the R/P Head Block
27
Speaker Section
28
Removing the Net Assembly
28
No.mb191)1
28
Removing the Tweeter
29
Removing the Speaker
30
Measurement Instruments Required for Adjustment
31
Low Frequency Oscillator
31
Standard Measurement Position of Volume
31
Adjustment
31
Arrangement of Adjusting Positions
32
Tape Recorder Section
32
Service Mode
33
Confirming Contents
33
Confirming Methods
33
System Micon Reset
33
Micon Version Check
34
DVD Region Check
34
DVD Test Mode
35
Indicating Check for FL Display
37
Troubleshooting
38
Parts List
41
Exploded View of General Assembly and Parts List
42
DVD Mechanism Assembly and Parts List
45
DVD Loading Base and Parts List
47
Electrical Parts List
49
Power Board
49
Packing Materials and Accessories Parts List
58
Compact Component System
60
Block Diagram
62
DVD Servo Board
62
FL Display Section (Video Out)
62
Micon System Section
62
Primary Section
63
Standard Schematic Diagrams
63
Audio Output Section
64
System Control Section
65
FL Display Section
66
Tape Mecha Section
67
DVD Servo Section
68
Printed Circuit Boards
70
Input Board
71
Front Board
72
Forward Side
73
Reverse Side
73
DVD Switch Board
74
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JVC MX-JD3 Specifications
General
Brand
JVC
Model
MX-JD3
Category
Speaker System
Language
English
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