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Standard Repair Process
Error
LCD TV
symptom
Check
input
signal
Check and fix
external device/cable
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
D. Function error
External device recognition error
Check technical
Y
information
Signal
Input
- Fix information
- S/W Version
N
Established
date
Revised date
External Input
N
Technical
And Component
information
Recognition error
Y
Fix in
accordance
HDMI, Optical
with technical
Recognition error
information
2012. 01 .14
12/14
Replace Main B/D
Replace Main B/D
LGE Internal Use Only
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