LG 49UF640 SERIES - Page 92

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
Error
symptom
4
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