hyper 64

I recently decided (I woke up about 3am one night) that I didn't like the thought of the very old rechargeable battery soldered, from factory, to my Hyper 64. I figure one day it'll leak. Across the multimeter in the past weeks it reads between 2.2v and 2.6v... so, time for it to go. First...

Today I received a Neo Geo Hyper 64 rev 1 board with Fatal Fury Wild Ambition. When I plug it in and try to run it, the board clicks (which I read indicates the 12v is working) but I get no video at all. I have tested the +5v and its good, I even tested the whole setup with my Cadash board to...