Function Error - LG 55LW5700 Service Manual

Standard Repair Process
LCD TV
Check
input
signal
Copyright ⓒ 2011 LG Electronics. Inc. All right 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
11
2010. 12 .14
11/13
Replace Main B/D
Replace Main B/D
ⓒ LG Electronics. Inc.2009
LGE Internal Use Only