LG Flatron L1918S

18
2. NO RASTER (OSD IS NOT DISPLAY)-LIPS
LIPS
No Raster
(OSD Is Not Displayed)
Check U701
PIN 1 =3.3V?
Check U701
PIN 3 =5V?
Check power board and find out a
short point as penning each power
line
1. Check U701
2. Check C712 714
CHECK D701
1.8V?
1. CHECK Q702
2. CHECK D701 D702
3. TROUBLE IN SCALER IC
Check CN701
PIN1 =5V?
1. Check BL ON/OFF pulse as
contacting scope
NO
NO
NO
NO
YES
YES
YES
YES