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Looking for a 100% working UMK3 (rev 1.2 preferred)

Recently, I purchased a mk2 cab that was repurposed to play sega and namco games and the jamma harness had been sliced with these connectors all over. The one in the photo is for the monitor chassis and I am trying to add a second set of wires in the connector so I can output game to lcd using...

Can’t seem to find out where this chain thing hooks onto?

NAOMI board is powered by 200w atx psu and the jamma is powered by arcade psu. As you can see the mobo getting power and boots up but I get the jamma I/o board not found error. I have tried switching out the arcade psu and got the same error. I have played the game in another cab that was...

Look for a Dynamo Showcase Cabinet that can house a 39" crt arcade monitor. I am in VA so my travel will be limited to VA for pick up. Outside of the state, highly prefer shipping. I would also accept reproduction of this big cabinet if anyone does that sort of work. Not sure what to even...

Bought it recently for my dynamo hs-5 because the dimensions for mine and a z-back are the same. Turns out it's shorter in length and would fit a dynamo hs-1 instead...or some other z-back that I don't know about. Joystick and buttons have plenty of life left but they do need a little bit of...

Hello, I need a sanity check because I have been at this for so long that I am ready to throw the whole thing away. Everything works except buttons 5, 6 on player 2. I have a Dynamo HS-5 cab that is wired to play MK1. This same cab is also being used to play Groovy Mame via a PC. So, I got a...

OPTION 1: Any expert on repairing pcbs, I need my MK1 sound board oki chip soldered and NBA JAM sound board fixed. Not sure what is causing the NBA JAM board to throw IRQ NOT DETECTED. OPTION 2: Looking to buy either of the boards for a Y UNIT.

Hello, I need a sanity check because I have been at this for so long that I am ready to throw the whole thing away. Everything works except buttons 5, 6 on player 2. I have a Dynamo HS-5 cab that is wired to play MK1. This same cab is also being used to play Groovy Mame via a PC. So, I got a...