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Still fighting with my Carnival. Finally got it to boot and appear to play, but graphics are all garbage blocks. I built an adapter to dump the 82S123 bipolar PROMs at U14 and U49 and found I don't quite match the MAME ROMs. MAME's 316-0206 @ U14 00 01 09 88 99 99 98 03 03 02 09 8D 9C 9D 9D 40...

Am I right in assuming this is a bad crystal? I've checked the 330ohm resistors, the ceramic cap checks out close in circuit, and U13 seems to be inverting fine. I don't think there's anything else it can be, but I've never personally seen a crystal go bad before. Next question: Assuming the...

I got a game a while back with a pretty badly acid damaged Bally AS-2518-35 MPU board. The main ground trace surrounding the board on both sides was nearly gone. After cleaning it up and sticking in a battery corrosion repair kit, pin headers, and recapping the solenoid board with parts from...

I've been googling around and have found plenty of color information for Ms. Pac-Man cabs, but can't seem to find anything for the regular Pac-Man yellow. Anyone happen to have the paint code, or any information on it? Sides are currently (badly) painted grey, with a 'pirate ship / port hole'...

I have a Pac-Man cabinet that I just got working, played 2 games on it, and now I'm getting some horizontal doubling. I've read everything I can find, but I've not found any links to anyone who's had a similar issue. Closest I've found is Arcade GameOver's PacMan Page I've noted however, it...