Copyright © 2010 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only
Only for training and service purposes
2. NO RASTER (OSD IS NOT DISPLAY)-LIPS
LIPS
YES
YES
No Raster
(OSD Is Not Displayed)
Check U702
PIN 2 =3.3V?
Check CN702
PIN3 =12V?
Check adapter board and find out a
short point as penning each power line
1. Check U702
2. Check C707,C708,C709
NO
NO