Standard Repair Process
A. Video error
No video/ No audio
Established
date
Revised date
2/16
LCD TV
Error
symptom
2013.01.31
Normal
voltage?
Check various
voltages of Power
Board ( 3.5V,12V,20V
No Video/
No audio
Check and
replace
MAIN B/D
Y
☞
A18
(
,
,
or 24V…)
No audio
MAIN B/D
Replace Power
Board and repair
t
N
End
parts
2
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