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hoagtech

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I'm trying to connect my VGA monitor to JAMMA on the Mini Cute.

The connections coming out the back are RGB and Sync, Ground.



I tested the monitor through OSSC externally and got a nice image from my Genesis



Im trying to connect to the RGBsGr by hacking a male SCART to BNC cable



The RGBs is Straightforward for me, but where do I connect the video ground?

Do I tie the grounds from all 4 cables together to connect to the BLACK ground wire?

I would love some iteration so I can finish my Mini Cute kit..
 
Maybe the link below is what you need male or female..but I think that a better fit might be the scan doubler create by a @invzim .. sorry, I forgot the product.


https://www.ebay.com/itm/332641136187?hash=item4d72f4ee3b:g:GUIAAOSw7hRWO023
That listing is 9 pin, no idea why they say VGA as that is 15 pin. Got a couple of those (15 pin version) and they're very useful, soldering VGA connectors is a royal PITA.

For JAMMA->VGA, https://irkenlabs.com/retro-scaler-a1/introduction
 
You'd connect video ground to any of the grounds on those BNC connector wires typically
On Shmups it was recommended I tie the grounds then connect to video ground. I’ll find tomorrow. The part arrived over the weekend
 
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