Remote Control & Local Switch Checking - LG 32LN5400 Service Manual
Led tv
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Also See for 32LN5400:
- User manual (97 pages) ,
- Owner's manual (85 pages) ,
- Owner's manual (60 pages)
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Standard Repair Process
LCD TV
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.
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
D. Function error
Error
symptom
Remote control & Local switch checking
☞A17
Check & Repair
Y
Cable connection
Connector solder
N
Check & Replace
Baterry of R/C
Normal
Close
operating?
N
Replace R/C
☞A17
N
Normal
Check B+ 3.5V
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)
Established
2012. 01 .14
date
Revised date
☞A17
Y
Normal
Check IR
Voltage?
Output signal
N
Replace Main B/D
11/14
Replace
Main B/D
Y
Normal
Signal?
N
Repair/Replace
IR B/D
LGE Internal Use Only
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