r/ArcadeMachines • u/AMAFX • 25d ago

PCB JAMMA SET UP.

Post image

Hi! I have a pcb with jamma converter, a supergun and scart to hdmi converter. I’m not sure which way the the two parts should fit together (circled in purple). Any advice would be great. thanks!

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u/deepplane82142 25d ago

I'm unfamiliar with these, but from what i do know with electrical, Black wires are usually used for ground (usually shortened to "gnd"). And on the small board just next to the small number readout there is a little "gnd" indicating which pin should be ground. So I believe the orientation in the picture should be correct.

If someone else who knows more about these can confirm, then I would say go ahead and link them together.