LG 42LB550T Service Manual

Check technical
information
- Fix information
- S/W Version
N
Y
Check
input
signal
Y
N
Check and fix
external device/cable
Replace Main B/D
Replace Main B/D
Fix in
accordance
with technical
information
D. Function error
External device recognition error
Established
date
Revised date
12/14
LCD TV
Error
symptom
Standard Repair Process
2012. 01 .14
Signal
Input
Technical
information
External Input
and Component
Recognition error
HDMI, Optical
Recognition error
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only

LG 42LB550T Specifications

General

Brand	LG
Model	42LB550T
Category	LED TV
Language	English