LG 47LM6700 - Page 51

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
A. Video error
No video/ No audio
☞A4
Established
date
Revised date
2/13
LCD TV
Error
symptom
Standard Repair Process
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only