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Normal
voltage?
Check DC24V from
Adapter
No Video/
No audio
Check and
replace
MAIN B/D
Y
Replace Power
Board and repair
parts
N
End
Standard Repair Process
A. Video error
No video/ No audio
☞A4
Established
date
Revised date
2/14
LCD TV
Error
symptom
2013. 01 .09
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