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Standard Repair Process
LCD TV
1. Remote control(R/C) operating error
Check R/C
operating?
itself Operation
Check R/C Operating
When turn off light
in room
If R/C operate,
Explain the customer
cause is interference
from light in room.
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Only for training and service purposes
D. General Function Problem
Error
symptom
Remote control & Local switch checking
☞A27
Check & Repair
Normal
Y
Cable connection
Connector solder
N
Check & Replace
Baterry of R/C
Normal
Close
operating?
N
Replace R/C
☞A27
N
Normal
Check B+ 5V
operating?
On Main B/D
Y
☞A4
Close
Check 5v on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don't have problem)
10
Established
2010. 2 .19
date
Revised date
☞A27
Y
Normal
Check IR
Voltage?
Output signal
N
Repair/Replace
10/13
Replace
Main B/D
Y
Normal
Signal?
N
IR B/D
LGE Internal Use Only
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