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TH-M42
JVC TH-M42 Service Manual
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2-35
(Mother board)
Mother board
<Subwoofer section>
C151
C152
C153
C154
C155
C156
C161
C162
C163
C164
C165
C166
C501
C502
C503
C511
C512
C521
C522
C523
C531
C532
C533
C601
C602
C603
CN151
CN501
CN502
CN503
CN504
CN521
CN522
CN531
CN532
D151
D152
D153
D154
D161
D162
D501
D502
D503
D504
D505
D511
D512
D513
D514
D515
D516
D517
D518
D521
D522
D523
D524
D525
D526
D535
D601
D602
FC151
FC152
FC153
FC154
FC155
FC156
FC157
FC158
IC601
Q151
Q501
Q502
Q503
Q504
Q505
Q511
Q512
Q513
Q514
Q515
Q516
Q517
Q521
Q522
Q523
Q524
Q525
Q531
Q532
Q545
Q601
Q602
R151
R152
R161
R162
R501
R502
R503
R504
R505
R506
R511
R512
R513
R514
R516
R515
R517
R518
R519
R520
R521
R522
R531
R532
R533
R534
R535
R536
R537
R538
R539
R541
D520
R543
R544
R545
R546
R547
R548
R549
R555
R556
R561
R562
R563
R564
R565
R566
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R510
HS151
D519
R614
R153
R550
R557
R156
77
79
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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Instructions
134 pages
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JVC TH-M42 Specifications
General
Brand
JVC
Model
TH-M42
Category
Home Theater System
Language
English
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