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A random chip

Strangely, I bumped it up from 5.0 on the nose to 5.12 and it's working fine, so far

SNK ^^^

I replaced the +5 connector... and beefed it up. I ran 4 individual wires to power supply and harness. Same shit. I'll try the fiberglass pen/acetone trick... but I doubt that's my problem. I have 3 ikari boards and a jamma cabinet downstairs. All boards work fine on the dedicated jamma... and...

So my dedicated Ikari has a strange issue... The character sprites are glitch. They're faded sometimes, completely missing sometimes... and if I unplug the edge connector and plug it back in... in just the right way... it will work great for 20 minutes... then get glitch again. I was gonna...

My ICB makes a buzzing sound. It's actually three distinct buzzing sounds that correlate with the messages from the game. Like, it runs through three different messages on the display. The sound of the buzzing changes when the words change (if that makes sense). It has grown louder recently. Any...

I have tried two different sync connectors

The jamma adapter board that uses the old wiring

Yes. The 2 pin header is plugged in on the jrok and jammer harness

I installed a multi Williams broken into my robotron. The monitor worked just fine prior. Now, no matter what I try, I cannot get it to sync properly. It really wants to scroll top to bottom. It never truly locks in. Even if I get the positioning just right... and start a game... by level 2...

Hey Klov community... My Moon Patrol was acting up. So I sent the board off to be fixed. Dude said he fixed it. And it worked properly for a few hours before reverting back to the previous issues. So what's it doing? It usually boots fine. But when I start a game... the patrol car proceeds to...

No ideas?

The OG also seems to have wire soldered directly for the sound board.

Hey everybody... So i have a Mr Do Castle board. I bought it from a dude in the Netherlands. Unfortunately, the wires were soldered directly. I have a reg Mr Do i was gonna try it out on. But im not sure what to do. The issue is the seperate sound board. On my original, there are also wires...

Sorry. Typo or something

I need to send this to someone who can fix it propper... Who wants to make some $$?

All i know is when i fire it up it makes a rhythmic pop... pop.......... POP! sound. Over and over. The led on the pcb dims a bit on the 3rd pop

So it died on me. Monitor is still good. Im gonna take a shotgun approach and replace the innards. Board should be fine. What else should i buy/replace?

Thanks for the advice guys. Ill get a dremmel and do some cleaning. The game has been running smoothly now for hours. But it is definately NOT saving scores. Any ideas?

so... a few weeks back, the game was constantly resetting/freezing. I reseated all the chips and voila... it worked 100%. For about a week. Then started resetting/freezing again. I figured i would try reseating chips again... and while i had the pcb out, id install the nvram. Thats what i did...