Normal
voltage?
Check various
voltages of Power
Board
( 3.5V,12V,20V or
24V…)
No Video/
No audio
Check and
replace
MAIN B/D
Y
Replace Power
Board and repair
parts
NEnd
Standard Repair Process
A. Video error
No video/ No audio

A4

Established
date
Revised date 2/13
LCD TV Error
symptom
2
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