2. NO RASTER (OSD IS NOT DISPLAY)-LIPS
No Raster
(OSD Is Not Displayed)
Check CN701
PIN 6, PIN7 =5V?
YES
Check U703
PIN 2 =3.3V?
YES
Check C704 (+)
1.8V?
YES
Check CN701
PIN 6, PIN7 =5V?
YES
LIPS
NO
Check power board and find out a
short point as penning each power
line
NO
1.
Check U703
2.
Check C706,C707
NO
1. Check C704
2. TROUBLE IN SCALER IC
NO
Check BL ON/OFF pulse as
contacting scope
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