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LG OLED55B9PTA User Manual

LG OLED55B9PTA
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No audio
Screen normal
Check user
menu >
Speaker off
Off
N
Y
Cancel OFF
Check audio B+
20V of Power
Board
Normal
voltage
Y
N
Replace Power Board and repair parts
Check
Speaker
disconnection
N
Y
connecting Speaker
Replace MAIN Board
End
C. Audio error
No audio/ Normal video
☞
A11
☞
A12+A9
Disconnection
Established
date
Revised date
9/16
Error
symptom
Standard Repair Process
9
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

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LG OLED55B9PTA Specifications

General IconGeneral
BrandLG
ModelOLED55B9PTA
CategoryOLED TV
LanguageEnglish

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