Standard Repair Process
Error symptom
No Video/
No audio
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Only for training and service purposes
A. Video error
No video/ No audio
☞A4
Check voltages of Power
Normal
Board (13V)
voltage?
Replace Power
Board and repair
parts
Established
Revised date
Check and
Y
replace
MAIN B/D
N
date
End
2/13
LGE Internal Use Only