LG OLED55B9PUA Service Manual page 27
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Also See for OLED55B9PUA:
- Safety and reference (38 pages) ,
- Owner's manual (37 pages) ,
- Owner's manual (72 pages)
Table of Contents
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Standard Repair Process
Error
symptom
No Video /
No audio
A. Video error
No video / No audio
☞A10/A11
Check Power Board
output to Main (20V, 12V )
Replace Power B/D
or repair parts
Y
Check and replace
Normal
Main B/D
Voltage?
N
2
Established
date
Revised date
End
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Only for training and service purposes.
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