LG 55LF5950 Service Manual page 42

Standard Repair Process
Error
LCD TV
symptom
No Video/No audio
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Only for training and service purposes
A. Video error
No video/ No audio
☞A5
Check voltages of
Normal
Power Board
voltage?
( D13V,A13V)
Replace Power
Board and repair
parts
Established
date
Revised date
Check and
Y
replace
MAIN B/D
N
2015. 04. 23
2015. 04 .23
2/13
End
LGE Internal Use Only