LG 32LW5700 Manual page 58

Standard Repair Process
LCD TV
symptom
1. Remote control(R/C) operating error
Check R/C itself
Normal
Operation operating?
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
Remote control & Local switch checking
☞A27
Check & Repair
Y
Cable connection
Connector solder
N
Check & Replace
Baterry of R/C
Normal
Close
operating?
N
Replace R/C
☞A27
N
Check B+ 3.5V
Normal
operating?
On Main B/D
Y
☞A4
Close
Check 3.5V on Power B/D
Replace Power B/D or
(Power B/D don't have problem)
10
Established
2011.01.20
date
Revised date
☞A27
Y
Check IR
Normal
Voltage?
Output signal
N
Replace Main B/D
10/14
Replace
Main B/D
Y
Normal
Signal?
N
Repair/Replace
IR B/D
LGE Internal Use Only