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1. no video – Daewoo L510B1 User Manual

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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).

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