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