Copyright © 2010 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only
Only for training and service purposes
2. NO RASTER (OSD IS NOT DISPLAY)-LIPS
LIPS
YES
YES
YES
Check CN702
PIN 8 =5V?
NO
Check BL ON/OFF pulse as
contacting scope
No Raster
(OSD Is Not Displayed)
Check U701
PIN 2 =3.3V?
Check CN702
PIN 8 =5V?
Check power board and find out a
short point as penning each power
line
1. Check U701
2. Check C706,C707,C708,C709
NO
NO