DAEWOO L701CM
Service Manual

5-1. No Video

Black Yes Is OSD normal? No

3. No raster

Yes

Is the contrast at its maximum?

No

Set the contrast up to Max.

Yes

Is the output of ADC correct?

No

Is the input of ADC correct? Yes

Yes Next Page. Yes

No Check the video input signal. Replace the main board (or replace ADC).

Is the output of Scaler correct?

No

Is the input of Scaler correct? No

Yes Yes Check If the CON 7 wafer is well connected at the LCD panel. Replace the main board (or replace ADC).

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