Filter
Top Products
20
Is OSD normal?
Black
No
No
Yes
Yes
Is the contrast
at its maximum?
3. No raster
or Check SDRAM.
Set the contrast
up to Max.
Next Page.
Yes
No
Yes
Is the output of
ADC correct?
No
Yes
Is the input of
ADC correct?
Check the video
input signal.
Replace the main board
(or replace ADC).
Yes
Check If
the CN5 wafer is
well connected at
the LCD panel.
No
Yes
Is the output
of Scaler correct?
No
Yes
Is the input of
Scaler correct?
Replace the main board
(or replace ADC).
5-1. No Video