Daewoo L510B1 service manual Black

5-1. No Video

Black

Yes

Is OSD normal?

Yes

Is the contrast

at its maximum?

Yes

Is the output of ADC correct?

Yes

Next Page.

Yes

No 3. No raster

or Check SDRAM.

No	Set the contrast
	up to Max.

No		Is the input of
		ADC correct?		Yes
	No
Check the video			Replace the main board
input signal.			(or replace ADC).

Is the output		No	Is the input of
of Scaler correct?			Scaler correct?
	Yes			No
			Yes
				Replace the main board
Check If
				(or replace ADC).
the CN5 wafer is
well connected at
the LCD panel.

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