LG 32LH500B Service Manual page 24

Standard Repair Process
Error
LED TV
symptom
Vertical/Horizontal bar, residual image, light spot
A3
Check color condition by input
-External Input
-Component/AV
-HDMI
Video error
Vertical / Horizontal bar, residual image,
light spot, external device color error
Y
Y Screen
normal
N
External
Input
error
Compo
nent
error
HDMI
error
End
Connect other external
device and cable
(Check normal operation of
External Input, Component
and HDMI by connecting Jig,
pattern Generator,
Set-top Box etc.
Request repair for
external device
Established
2016.03.07
date
Revised date
Screen
Replace
N normal
Main B/D
Y
5/12
Replace
Module
N
Screen
normal
Y
End