troubleshooting

Hello to all fellow arcade board users. My DIMM has 256MB of built-in memory and BIOS version 3.17. Yesterday, an additional 256MB stick I bought from an online shop arrived, so I installed it into memory slot 2. However, after inserting the new memory, the NAOMI system refused to boot up...

This issue is resolved. The problem was my capture card, the El Gato HD60X, and not my game. The Issue: Donkey Kong Jr. seems to be suffering from frequent, intermittent audio drop-outs, making it sound scratchy/crackly/static-y. Example: I have uploaded a clip of the intro (with sound) that...

Hey, everyone. Just stumbled upon this forum, and looking forward to learning a lot. Mostly out of impulse and curiosity, I just purchased a Tekken 2 arcade PCB from an online store I use frequently. They've been around for a while and are well-established, but this is the first time I've seen...

[SOLUTION FOLLOWS] Shortly after posting I was shown a troubleshooting video which identified a rainbow cable as a crucial part (which was missing from my unit). I then sought out and purchased a replacement since I didn't have the proper connectors on hand to wire one up. Once it arrived, I...

I bought a supposedly "working" board from arcade spare parts, I got this because the one I previously had was not working due to displaying Nothing but a "No signal" and I wanted one working so I can more easily diagnose the problem. But unfortunately even this one is failing to boot, it gets...

I’m having issues loading pretty much all games with the exception of ghouls n ghosts which works great. Final fight is audio only. Cadillac and dinosaurs shows the opening screen and then nothing. Others only show black screen. Any clue?

.