LG M2250D - Page 33

ⓒ LG Electronics. Inc.2011
Normal
voltage?
Check various
voltages of Power
Board
( 3.5V,12V,19V …)
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
2/13
LCD TV
Error
symptom
2