My attempt to build a VGA to SCART RGB cable for PVM 1440QM

chriz74 · Post by **chriz74** » Mon Mar 26, 2018 3:46 pm

... produced some strange results. I am using soft 15khz with Nvidia ION.
I used this tutorial:

http://scarthunter.blogspot.it/2012/04/ ... cable.html

And this is the image I get:

https://www.youtube.com/watch?v=0Sd5eig4-TU

Any clue?

Fudoh · Post by **Fudoh** » Mon Mar 26, 2018 3:58 pm

The double image means that you almost certainly still get a 31khz signal from your source.

chriz74 · Post by **chriz74** » Mon Mar 26, 2018 4:05 pm

Fudoh wrote:The double image means that you almost certainly still get a 31khz signal from your source.

Ah, that's interesting. is there a way to check? I mean, does windows tell you how many khz is it outputting ?

Syntax · Post by **Syntax** » Mon Mar 26, 2018 4:11 pm

Plug it into a 240p Tv and see if you get a double image... Oh wait..

muggsy · Post by **muggsy** » Mon Mar 26, 2018 10:10 pm

The PC will be outputting 240p at 31hz (RGBHV). You'll need to combine the H+V to gain a proper RGBS 240p. For my grooveymame setup I use a Extron 190f but I'm not sure what you'd need to add to the cable to get those results

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chriz74 · Post by **chriz74** » Tue Mar 27, 2018 6:05 pm

The cable is fine. I solved this uninstalling Windows Vista and installing Windows Xp (+ soft 15khz + geforce drivers 185.68). Now everything is fine.

shmups.system11.org

My attempt to build a VGA to SCART RGB cable for PVM 1440QM

My attempt to build a VGA to SCART RGB cable for PVM 1440QM

Re: My attempt to build a VGA to SCART RGB cable for PVM 144

Re: My attempt to build a VGA to SCART RGB cable for PVM 144

Re: My attempt to build a VGA to SCART RGB cable for PVM 144

Re: My attempt to build a VGA to SCART RGB cable for PVM 144

Re: My attempt to build a VGA to SCART RGB cable for PVM 144