LG 32LW5700 Manual page 53

Standard Repair Process
LCD TV
symptom
Vertical/Horizontal bar, residual image, light spot
☞A8
Check color condition by
input
-External Input
-Component
-RGB
-HDMI/DVI
☞A12
Check Test pattern
External device screen error-Color error
Check S/W Version
S/W Upgrade
screen?
Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A. Video error
Error
Vertical / Horizontal bar, residual image,
light spot, external device color error
Check external
Y
Screen device
normal? connection
condition
N
Replace
module
Check screen
N
Check
condition by
version
input
-External Input
-Component
Y
-RGB
-HDMI/DVI
N
Normal
Y
End
☞ A10/ A11
Check and
Y
Normal?
replace Link
Cable
N
Request repair
for external
device
External
Connect other external
Input
device and cable
error
(Check normal operation of
External Input, Component,
Component RGB and HDMI/DVI by
connecting Jig, pattern
error
Generator ,Set-top Box etc.
Connect other external
device and cable
RGB
(Check normal operation
error
of External Input,
Component, RGB and
HDMI/DVI by connecting
HDMI/
Jig, pattern
DVI
Generator ,Set-top Box
etc.
5
Established
2011.01.20
date
Revised date
※ T-con B/D
Replace Main
N
Screen
B/D
normal?
or FRC B/D
or T-con B/D
Y
End
Screen
normal?
Request repair for
external device
Screen
normal?
5/14
Replace module
N
Screen
normal?
Y
End
N
Replace
Main B/D
Y
Y
N
Replace
Main B/D
LGE Internal Use Only