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
N End
Standard Repair Process
A. Video error
No video/ No audio
☞A4
Established
date
Revised date
LCD TV Error
symptom 2012. 12 .06