LG 42LN5700 - Page 66

6/ 97
Color
error?
Y
N
※ Check and
replace Link
Cable
(LVDS) 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/DVI
Y
External device
/Cable
normal
External Input/
Component/ AV
error
Check
external
device and
cable
Y
External device
/Cable
normal
HDMI/DVI
error
Check external
device and
cable
Replace Main B/D
Replace Main B/D
N
N
A. Video error
Color error
☞A8
N
Y
End
Replace module
Request repair
for external
device/cable
Color
error?
Check Test pattern
☞A12
☞ A10/ A11
Established
date
Revised date
4/13
LCD TV
Error
symptom
2012. 12 .21
Standard Repair Process
Copyright ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only