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TH-M42
JVC TH-M42 Service Manual
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2-24
M2
SW8
IC1
M1
IC
1
C6
C7
SW7
C2
D1
C3
C5
C1
CN1
R
A0164-001
WJM0330-001A
QSW0886-002
QVY0002-B14
WJM0331-001A
QRA0164-001
LB1641
LB1641
0.1/50
0.1/50
QSW0886-002
0.1/50
MTZJ6.2A-T2
0.01/50
0.01/50
100/10
QGF1036F1-16
POS_UP
TR_OP
POS_DOWN
TR_CL
M.TR_OP
TR1_CL
TR5_CL
TR2_CL
TR4_CL
TR3_CL
TR_OP
TR_CL
POS_DOWN
PO
_
UP
66
68
Table of Contents
mb067.pdf
1
SECTION 1 PRECAUTION
3
1.1 Safety Precautions
3
1.2 Warning
3
1.3 Caution
3
1.4 Critical parts for safety
3
1.5 Preventing static electricity
4
1.6 Important for laser products
5
1.7 Importance administering point on the safety
6
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS
7
SECTION 3 DISASSEMBLY
8
3.1 Main body section
8
3.2 DVD changer mechanism assembly section
15
3.3 Subwoofer section
27
SECTION 4 ADJUSTMENT
34
4.1 Test mode setting method
34
4.2 Method of displaying version of firmware
34
4.3 Initialization method
34
4.4 All-initialization method
35
4.5 Optimization adjustment of Front End parameter
35
4.6 Display of current value of laser
36
4.7 Flap adjustment of the pick-up guide shaft
36
4.8 Confirmation of region
38
4.9 Upgrading of firmware
38
SECTION 5 TROUBLESHOOTING
39
pmb067sch.pdf
41
Cover
41
Block diagrams
44
Standard schematic diagrams
46
Printed circuit boards
70
Back caver
82
mb067par.pdf
83
Cover
83
Exploded view of general assembly and parts list (Block No.M1)
84
General assembly
86
Speaker assembly and parts list (Subwoofer) (Block No.M2)
87
Speaker (Subwoofer)
88
Speaker assembly and parts list (Front speaker,Center speaker,Surround speaker) (Block No.M6)
89
Speaker (Front speaker,Center speaker,Surround speaker)
89
DVD changer mechanism assembly and parts list (Block No.MK)
90
DVD changer mechanism
91
Electrical parts list (Block No.01~07)
92
Main board
92
Front board
94
DSP board
95
Mother board
97
Amplifier board
98
DVD loading board
100
DVD servo board
100
< MEMO >
103
Packing materials and accessories parts list (Block No.M3)
104
Packing and accessories
105
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JVC TH-M42 Specifications
General
Brand
JVC
Model
TH-M42
Category
Home Theater System
Language
English
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