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BenQ
Monitor
GL2055
Product Service Manual
Page 12 (Connect the power cable)
BenQ GL2055 - Connect the power cable; Connect-to and turn-on the power
77 pages
Manual
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-
12
-
(3) Procedure:
Confirmed sa
mple wi
th
appearance and
function ready
before testin
g then compare w
ith
after test record
as brightne
ss,
un
iformity and con
t
rast ratio.
Perform rando
m vibratio
n after
sine-wave v
ibration test.
(2) Unpac
kaged Vibratio
n
Unpackaged,
Non-
Operating
Test Spectrum:
20 Hz 0.0185(
g2/Hz)
200Hz 0.0185(
g2/Hz)
Duration : 5 M
inutes
Axis : 3 axi
s ( Horiz
ontal and
Vertical axi
s ,Z axis)
(3) Drop
Package,
Non-
Operating
91
cm Height (M
P st
age)
(1 corner, 3 ed
ges, 6 faces)
(4) Shock
Wooden
pac
kage, Non-
Operating
Waveform: hal
f sine
Faces: 6 sides
/ per orientation
3 shocks.
Duration: <3ms
Velocity
accelerate: 75g
3.1.7.12
Electrostatic D
ischarge Req
uirements
Item
Condition
Spec
OK
N.
A
Remark
Electrostatic Discha
rge
IEC801-2 standa
rd
Contact: 8KV
Air: 15KV
3.1.7.13
EMC
Item
Condition
Spec
OK
N.
A
Remark
TCO03
Electric
Band 1 < 10 V/
m
Band 2 < 1 V/
m
Magnetic
Band 1 < 200n
T
Band 2 < 25nT
EMI
FCC part 15J cl
ass B
After Mass produc
t
ion
under 1dBuv
for constant
measure. Besides
DNSF
and VCCI class-2 a
re
optional.
EN55022 class B
11
13
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
Abbreviations & Acronyms
3
Trademark
3
1 About this Manual
3
2 Introduction
4
Rohs (2002/95/EC) Requirements
4
Safety Notice
4
Compliance Statement
4
General Descriptions
4
Related Service Information
4
3 Product Overview
5
Specification
5
Customer Acceptance
19
4 Level 1 Cosmetic / Appearance / Alignment Service
25
Software / Firmware Upgrade Process
25
Alignment Procedure (for Function Adjustment)
37
5 Level 2 Disassembly /Assembly Circuit Board and Standard Parts Replacement
47
Exploded View
47
Disassembly /Assembly
49
Packing
59
Block Diagram
60
Trouble Shooting Guide
62
Circuit Operation Theory
68
Appendix 1 - Screw List / Torque
71
Appendix 2-Physical Dimension Front View and Side View
76
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