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Standard Repair Process
LCD TV
Check
input
signal
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
D. Function error
Error
symptom
External device recognition error
Check technical
Y
information
Signal
input?
- Fix information
- S/W Version
N
Check and fix
external device/cable
Established
date
Revised date
External Input and
N
Technical
Component
information?
Recognition error
Y
RGB,HDMI/
DVI, Optical
Fix in
Recognition error
accordance
with technical
information
12
2010. 12 .14
12/14
Replace Main B/D
Replace Main B/D
LGE Internal Use Only
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