LG 32LV355T Service Manual page 53

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
☞A4
Check various
Normal
voltages of Power
voltage?
Board
( 3.5V,12V,20V or
24V...)
N
Replace Power
Board and repair
parts
Established
date
Revised date
Check and
Y
replace
MAIN B/D
End
2
2010. 2 .19
2/13
LGE Internal Use Only