LG 55UJ6540 Service Manual page 29
Chassis: ua71p
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Also See for 55UJ6540:
- Easy setup manual (76 pages) ,
- Owner's manual (69 pages) ,
- Owner's manual (66 pages)
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Standard Repair Process
Error
symptom
No Video/
No audio
A. Video error
No video/ No audio
☞A18
Check voltage of
Normal
Power Board ( 13V...)
voltage?
Replace Power
Board and repair
parts
Established
Revised date
Check and
Y
replace
MAIN B/D
N
2
date
End
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