Color
error?
Y
N
※
Check
and replace
Link Cable
(V by one)
and contact
condition
Y
N
Replace Main B/D
Color
error?
Check error
color input
mode
Check color by input
-External Input
-COMPONENT
-AV
-HDMI
Y
External device
/Cable
normal
External Input/
Component
error
Check
external
device and
cable
Y
External device
/Cable
normal
HDMI
error
Check external
device and
cable
Replace Main/T-con B/D
Replace Main/T-con B/D
N
N
A. Video error
Color error
☞
A6
N
Y
End
Replace module
Request repair
for external
device/cable
Color
error?
Check Test pattern
☞
A8
☞
A7
Standard Repair Process
Established
date
Revised date
4/16
LCD TV
Error
symptom
4
2013.01.31
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 79UB980T
Page 68: ......
