No response in remote controller and main unit key error
Check remote
controller battery
and product
selection
Y
N
Normal?
Check for 3
wave length
3 wave
length?
N
Check and
replace battery
Reset or replace
remote controller
Y
Check IR sensor
voltage (5V)
Y
N
Normal
voltage?
Normal
voltage?
Y
N
Check and fix 3.5V
Line of Main B/D
Replace Analog B/D (Old)
/ Main B/D (New)
Replace PRE –AMP
Replace Key PCB
Check for 3
wave length
florescent light
Request for florescent light
replacement or attach mesh
cloth
OR
Check for TV operation
after removing other
product
remote controller battery
Check for
external wave
length effect
OR
OR
Established
date
Electronics 6-3
Standard Repair Process
Revised date
2008. 2 . 1
LCD TV
D. Function error
No response in remote controller,
key error, recording error, memory error
10/13
☞
173
Error
symptom
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Onl
Summary of Contents for 47LV370S-ZB
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