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TH-M42
JVC TH-M42 Service Manual
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2-23
D
VD mechanism control section
SW6
M2
IC2
C7
CN2
CN3
SW1
SW2
SW3
SW4
SW5
QSW0931-001
QRA0164-
0
0.1/50
QGB1214K1-08S
QGB1214J1-08S
QSW0844-001
QSW0844-001
QSW0844-001
QSW0844-001
QSW0844-001
TR5_CL
TR4_CL
TR3_CL
TR2_CL
TR1_CL
TR1_CL
TR2_CL
TR3_CL
TR4_CL
TR5_CL
M.TR_OP
TR1_CL
TR2_CL
TR3_CL
TR4_CL
TR5_CL
POS_DOWN
POS_UP
65
67
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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