Video Error - LG 55LW5700 Service Manual

Standard Repair Process
LCD TV
☞A8
Check color by input
-External Input
-COMPONENT
-RGB
-HDMI/DVI
☞A12
Check Test pattern
Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A. Video error
Error
symptom
☞ A10/ A11
※ Check
and replace
Y
Color Link Cable
error? (LVDS) and
contact
N
condition
Check error
color input
mode
External Input/
Component
error
RGB/
HDMI/DVI
error
Color error
Y
Color
Replace Main B/D
error?
N
Check
External device
external
device and
cable
Request repair
Check external External device
device and
cable
4
Established
2010. 12 .14
date
Revised date
Y
Color
Replace module
error?
N
End
Y
/Cable Replace Main B/D
normal
N
for external
device/cable
N
Y
Replace Main B/D
/Cable
normal
ⓒ LG Electronics. Inc.2009
4/13
LGE Internal Use Only