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No Raster
(OSD Is Not Displayed)
Scaler pin 127,
128 oscillates as
14.31818 MHz?
YES
Scaler IC
pin 22 H Sync ?
pin 21 V Sync?
YES
Trouble in cable or LCD
module
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3. NO RASTER (OSD IS NOT DISPLAY)-MSTAR
NO
NO
1. Check C415 C418
2. Check X401
3. Trouble in Scaler IC
Check connection line from
D-SUB to Scaler
- 19 -
LGE Internal Use Only
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