JAMMA board video hookup

Zane Healy healyzh at aracnet.com
Sun Oct 18 10:41:18 CDT 2015

Google "Super-Gun", as that's how you typically hook one up outside of an arcade cabinet.  I think most arcade cabinets use CGA monitors.

BTW, it looks like Component video has made its way to Super-Guns (I was at the "Portland Retro Game Expo" yesterday).

If nothing else, you'll need a JAMMA harness so you can wire something up yourself.

What board?  There are sites out on the net with repair logs for some boards.


On Oct 18, 2015, at 8:32 AM, Jules Richardson <jules.richardson99 at gmail.com> wrote:

> OK, so it's sort-of computery. I snagged a JAMMA arcade board from a recycling pile a couple of days ago (this is an m68k-based early 90's board). Supposedly it's faulty, but I don't know the nature of the fault - maybe it's just RAM or a reset problem or something, so I figured I'd put a little bit of time into it.
> Anyway, I'm having a hard time finding details about the video output - I know it's negative composite sync (I got the manual, which says that much), and I *think* it's TTL levels (right?), but I'm not sure about frequencies. Then there's the RGB outputs - analog, but I'm not seeing anything that tells me peak voltages.
> I suppose the question is, what's the easiest display to try and hook this up to? I've monitors with an assortment of inputs (VGA, EGA, CGA, MDA, mono-composite), and I think there's a CRT TV kicking around that has a composite input too (and maybe S-video, not sure).  It doesn't bother me if the quality's not great; I'm just interested in whatever's quickest to interface to at this stage, just to see if I can get something working.
> cheers
> Jules

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