LG 43LF513A Service Manual page 31

Standard Repair Process
Error Symptom
Content
☞A7
Check color by input
- External Input
(COMPONENT/AV/HDMI)
☞A10
Check Test pattern
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A. Video Error
Color error
☞ A8 / A9
Check and
replace Link
Y
Color Cable
error (LVDS) and
contact
N
condition
Check error
color input
mode
External
Input Component,
HDMI error
Y
Color
Replace Main B/D
error
N
Check external
device and
cable
Established date
Revised date
Y
Color
Replace module
error
N
End
External
Y
device/Cable Replace Main B/D
Normal
N
Request repair
for external
device/cable
5/14
LGE Internal Use Only