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Hi, guys. I'm looking for a functional MK2 pcb with working soundboard. Thank you!

My MK2 board has the left player low punch button perma-stuck and I don't know how to fix it. My sound board works fine, so I just need the main board. Although having a spare sound board probably isn't a terrible thing if you want to sell it as a package.

Hey, guys. I finally got my soundboard working for MK2 after getting the necessary cables. However when I power up the game and go into the dip switch test section, the left low punch is constantly on. Every other button works great except for this one. I've pulled the ground off that low...

Hey, guys. shatter1 was kind enough to send me the cable I needed to connect the satellite soundboard to my main MK2 board. The red light on the sound board lights up, but I still have no sound. In the sound diagnostics, it tells me "No Sound IRQ detected." Anyone know what's causing this?

Hey, guys. I have an MK2 pcb with a supposedly functional satellite soundboard. The seller unfortunately didn't include the cable I need to connect the two boards together. The technical manual says that I need to use a Molex 9-pin 0.156" header connector for each board's connection. It's...

Hey, guys. I need some help figuring out how to remove my joysticks in preparation to install new ones. I can't figure out how to detach the shaft. I tried unscrewing it, but that doesn't seem to work. I also tried detaching the base on the underside, but that isn't it either. Also, when...

Hey, guys. This week I took delivery of a UMK3 machine that I've been waiting to get ahold of for several months. It was purchased off ebay and this is the first arcade machine I've owned. I was able to turn on the machine yesterday, get it to boot up and played a few games. I have a few...