Samsung 753s Monitor - Ghosting!

Jun 23, 2005 5 Replies
A

Hey guys.



Just wondering if you can help me.



I recently had a replacement Samsung 753s CRT monitor. It came with two pins bent, causing slight ghosting and a poor unchangable refresh rate. I carefully bent these back from the bottom.



When I plugged the monitor back in, the refresh rate would change but there was stll slight ghosting. I took it out again and half of pin 10 came off in the VGA port. Half of pin 10, not the whole thing - suggesting poor quality pins to me.



Samsung have decided this problem is due to accidental damage and won't replace the monitor, however I'm not sure that the partially-missing pin is the problem.



The monitor appears to be working fine excluding the ghosting. I can't seem to find an up-to-date VGA port mapping diagram to determine the function of pin 10.



Anyone know the function of VGA pin 10? Could it be causing the ghosting? If it's an actual fault with the unit and I'm not responsible for it I can start nagging Samsung for a replacement again, and I don't want to wire a new VGA port on the end if it isn't going so solve the problem.



(The reason I think it's the pin is that the monitor's own setup menu is fine. The ghosting is only really noticable on 1024x768 - it doesn't appear noticable on 800x600 nor when the system starts up.)



Thanks :).



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J

You have should not have done the repair, should have demanded another exchange. They will! I had to do 2 times at our work because customer wasn't satifised.

By the way, cost of a signal cable for samsung is about 40-60 from your electronic shop who is authorized to service samsung stuff. Takes few minutes to swap signal cable.

Actually not. Samsung's signal cable is not too bad even cable looks mighty thin. The red, green and blue are shielded coaxes individually. The red, green and blue signal are on pin 1, 2 and 3. Their video signal coax shield grounds is also individual on pin 6, 7 and 8.

That's right as reasons stated above.

Are you using VGA signal extension cable between monitor and computer? Not all VGA signal extension cables are equal. Thick ones will give you good results. The $5 VGA extension cables are just wires, no video signal shielded coaxes so it get lot of cross talk and signal reflections.

Pin 10 is ground, Nothing to do with what you are having.

Cheers, Wizard

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A

Thanks very much for that :).

Any ideas how I could cure the ghosting or whether a Samsung reseller could do it?

Again, thanks.

Adam

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J

Adam, you're not answering the questions:

Are you using a VGA extension cable? If so, is it quality type? (thick)

Second, go back to the samsung authorized shop and order a new signal cable for your monitor at your expense if you have to. If picture is not still right after correct cables and replaced this damaged cable, demand another monitor exchange.

Cheers, Wizard

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C

replace the bad cable

The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form che...@prodigy.net.
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