LG OLED55B9PTA User Manual

D. Function error
Remote control & Local switch checking
Y
N
1. Remote control(R/C) operating error
Check R/C itself
Operation
Normal
operating?
Normal
operating?
Y
Close
Replace R/C
If R/C operate,
Explain the customer
cause is interference
from light in room.
Check R/C Operating
When turn off light
in room
Check & Replace
Baterry of R/C
Check & Repair
Cable connection
Connector solder
Normal
operating?
Check B+
3.5V
On Main B/D
☞
A13
Normal
Voltage?
Close
N
N
Check 7.8V on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don’t have problem)
☞
A9
Check IR
Output signal
Normal
Signal?
N
Y
Repair/Replace
IR B/D
N
☞
A13
Replace
Main B/D
Y
☞
A13
Standard Repair Process
Established
date
Revised date
11/16
Error
symptom
11
Y
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

LG OLED55B9PTA Specifications

General

Brand	LG
Model	OLED55B9PTA
Category	OLED TV
Language	English