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BenQ
LCD TV
VM2221
Product Service Manual
Page 67
BenQ VM2221 - Page 67
147 pages
Manual
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67
11.
loos screw
tool:
pneumatic driver, cotton gloves
,
static ele
ctricity ring
A.
loose screw and take off the IR board
12.
loose the screw of
l
unch bo
x a
’
ssy
T
o
o
l
:
pneumatic driver, cotton gloves
,
static electric
ity ring
Screw
Screw
Screw
Screw
66
68
Table of Contents
Main Page
Section 1
2
Table of Contents
2
Introduction
3
General Descriptions
5
Related Service Information
5
Product Overview
6
Specification
6
Packing
12
Customer Acceptance
16
Level 1 Cosmetic / Appearance / Alignment Service
18
Software Upgrade Process
29
Exploded View
57
Disassembly / Assembly
58
Level 2 Circuit Board and Standard Parts Replacement
71
Block Diagram
71
Troubleshooting
72
Appendix 1 - Screw List /Torque
77
Appendix 2 - Code List: Ir
78
Section 2
83
Introductio3N
84
General Descriptions
85
Product Overview
86
Specification
86
Customer Acceptance
100
Packing
100
Level 1 Cosmetic / Appearance / Alignment Service
103
Visual Inspection & Cleaning
103
Software/Firmware Upgrade Process
113
Adjustment / Alignment Procedure
115
Exploded View
118
Level 2 Circuit Board and Standard Parts Replacement
118
Disassembly / Assembly
119
Troubleshooting
121
Appendix 1 - Screw List /Torque
124
Appendix 2 - Code List: Ir
125
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