LG LM6210 Series Service Manual

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A. Video error
Vertical / Horizontal bar, residual image,
light spot, external device color error
Established
date
Revised date
5/13
LCD TV
Error
symptom
External device screen error-Color error
External
Input
error
Connect other external device
and cable
(Check normal operation of
External Input, Component, RGB
and HDMI/DVI by connecting Jig,
pattern Generator ,Set-top Box
etc.
N
Y
Replace
Main B/D
Screen
normal?
Check screen
condition by input
-External Input
-Component
-RGB
-HDMI/DVI
Request repair for
external device
Component
error
RGB
error
HDMI/
DVI
Connect other external device
and cable
(Check normal operation of
External Input, Component,
RGB and HDMI/DVI by
connecting Jig, pattern
Generator ,Set-top Box etc.
Replace
Main B/D
Screen
normal?
N
Y
Check S/W Version
Y
N
Check
version
S/W Upgrade
Y
N
Normal
screen?
End
Screen
normal?
N
Y
Check external
device
connection
condition
Y
N
Check and
replace Link
Cable
Normal?
Y
N
Screen
normal?
Replace Main B/D
(adjust VCOM)
Replace
module
Check color condition by input
-External Input
-Component
-RGB
-HDMI/DVI
End
Vertical/Horizontal bar, residual image, light spot
Request repair
for external
device
☞A12
Y
N
Replace Main B/D
For LGD panel
Replace
Module
Screen
normal?
End
☞A8
☞ A10/ A11
Check Test pattern
☞ A28
For other panel
2010. 12 .14
Standard Repair Process
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

LG LM6210 Series Specifications

General

Brand	LG
Model	LM6210 Series
Category	LCD TV
Language	English