Audio Error - LG OLED55B7P Service Manual
Oled tv
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Also See for OLED55B7P:
- Safety and reference (38 pages) ,
- Owner's manual (65 pages) ,
- Service manual (59 pages)
Table of Contents
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Standard Repair Process
Error
symptom
No audio
Screen normal
C. Audio error
No audio/ Normal video
☞A11
Check user
menu >
Off
Speaker off
Y
Cancel OFF
Check
Speaker
disconnection
☞A12+A9
Check audio B+
N
20V of Power
Board
Replace Power Board and repair parts
N
Disconnection
Y
connecting Speaker
8
Established
date
Revised date
Y
Normal
voltage
N
Replace MAIN Board
End
8/15
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