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Standard Repair Process
Error
symptom
Check
input
signal
Check and fix
external device/cable
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Only for training and service purposes
D. Function error
External device recognition error
Check technical
Y
information
Signal
- Fix information
input?
- S/W Version
N
External Input
N
Technical
and Component
information?
Recognition error
Y
HDMI/
DVI, Optical
Fix in
Recognition
accordance
error
with technical
information
14
Established
date
Revised date
Replace Main B/D
Replace Main B/D
14/16
LGE Internal Use Only
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