Table of Contents
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Standard Repair Process
Error
LCD TV
symptom
Vertical/Horizontal bar, residual image, light spot
A7
Check color condition by input
-AV
-Component
-HDMI
A10
Check Test pattern
External device screen error-Color error
Check S/W Version
Check
version
S/W Upgrade
Normal
screen?
End
A. Video error
Vertical / Horizontal bar, residual image,
light spot, external device color error
Check external
Y
Screen
device
normal?
connection
condition
N
Replace
module
Check screen
condition by input
N
-AV
-Component
-HDMI
Y
N
Y
A8/ A9
Check and
Y
replace Link
Normal?
Cable
N
Request repair
for external
device
AV
Connect other external
Input
device and cable
error
(Check normal operation of
External Input, Component,
and HDMI by connecting Jig,
Component
pattern Generator ,Set-top
error
Box etc.
Connect other external
device and cable
(Check normal operation of
HDMI
External Input, Component,
and HDMI by connecting Jig,
pattern Generator ,Set-top Box
etc.
Established
2013. 01 .24
date
Revised date
N
Screen
Replace Main B/D
normal?
Y
End
Screen
normal?
Request repair for
external device
Screen
normal?
6/14
Replace
Module
N
Screen
normal?
Y
End
N
Replace
Main B/D
Y
Y
N
Replace
Main B/D
- Quick Links:
- Circuit Board Foil Repair
- Block Diagram
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