Normal
voltage?
Check various
voltages of Power
Board ( 3.5V,12V,20V
or 24V…)
Y
Replace Power
Board and repair
parts
N
End
Standard Repair Process
A. Video error
No video/ No audio
☞
A9
Established
date
Revised date
2/16
LCD TV
Error
symptom
2
2013.01.31
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