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TROUBLESHOOTING HINTS
5-1. No Video
Black
Yes
No
Is OSD normal?
3. No raster
Yes
No
Set the contrast
Is the contrast
up to Max.
at its maximum?
Yes
No
Is the output
Is the input of
of Scaler correct?
Scaler correct?
No
Yes
Yes
Replace the main board
Check If
(or replace Scaler).
the CON3 wafer is
well connected at
the LCD panel.
22
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