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LG 65UB930T Service Manual

LG 65UB930T
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D. Function error
Remote control & Local switch checking
Standard Repair Process
Established
date
Revised date
10/16
LCD TV
Error
symptom
2013.01.31
Remote
control
&
Local
switch
checking
1. Remote control(R/C) operating error
A22
A22
Replace
Main B/D
A22
Revised
date
10/16
Y
N
Check R/C itself
Operation
Normal
operating?
Y
Check & Repair
Cable connection
Connector solder
Normal
operating?
Check B+
3.5V
On Main B/D
Normal
Voltage?
N
A18
Check IR
Output signal
Normal
Signal?
N
Y
N
A22
Y
Check R/C Operating
When turn off light
in room
Check & Replace
Baterry of R/C
Close
Check 3.5v on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don’t have problem)
A18
Repair/Replace
IR B/D
Normal
operating?
Close
If R/C operate,
Explain the customer
cause is interference
from light in room.
N
Y
Replace R/C
10
Copyright 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

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LG 65UB930T Specifications

General IconGeneral
BrandLG
Model65UB930T
CategoryLED TV
LanguageEnglish

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