LG 49UB850T - Color Error

Standard Repair Process
A. Video error
No video/ No audio
Established
date
Revised date
2/16
LCD TV
Error
symptom
2013.01.31
No
video/
No
audio
Revised
date
2/16
Check various
Check and
Y
☞A18
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
N
End
Replace Power
Board and repair
parts
2
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only