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I'm restoring an old Crystal Castles and wiring it to JAMMA using Bob Robert's guide http://homearcade.org/BBBB/jh.html. I need to wire in a trackball and am wondering where to get the +5v from. Should I take it from pin 3, 4, C, or D on the Jamma Harness, similar to the way Bob ran +12v from...

I recently purchased a Happ Vision Pro 19" monitor to replace an old Electrohome G-07 with an almost completely washed-out image and some pretty serious Crystal Castles burn-in. I hooked up the connectors to the new monitor in a similar fashion to the way they were on the old one. One connector...