No Raster
(OSD Is Not Displayed)
Scaler pin 63, 64
oscillates as
12MHz?
YES
Scaler IC
pin 14 H Sync ?
pin 15 V Sync?
YES
Trouble in cable or LCD
module
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Only for training and service purposes
3. NO RASTER (OSD IS NOT DISPLAY)-MSTAR
NO
1. Check C416 C417
2. Check X401
3. Trouble in Scaler IC
NO
Check connection line from
D-SUB to Scaler
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LGE Internal Use Only