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Video Game Repair/Mortal Kombat 2 board issue



I also have 2 rom chips that show are bad on MK2 arcade game and I read your response and will try to re seed chips etc.  Other issue I have is it constantly resets so sometimes even before game starts when its checking the roms goes to fuzzy white screen and just moving cabinet slightly it may start up again and then moments later reset again.

I have not done anything with this game in five plus years and going to try to get isues resolved soon so was wondering best advice for that issue?


Hi Scott,

It sounds like it's possible that you've got an underperforming power supply. Look for the plastic knob on the power supply (a VHS-tape sized box with a lot of wires coming out of it) and turn it in the positive direction about 1/4 of a turn. Turn the game on and see if it has improved. If not, turn the game off and turn it another 1/4 of a turn. My bet is that this will fix your issues.

Hope this helps!

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Brian Penzone


I can answer questions regarding coin-operated arcade game questions down to the logic board. Error codes, erratic operation, dead boards, I can help with them all. I can help with video monitors on a very limited and basic level only.


I have spent nearly 20 years as an avid arcade collector, and spent nearly 10 of those years as the lead tech for a large arcade operator, doing work for manufacturers and other coin-operated amusement companies around the globe. I maintain a good sized collection of arcade games, as well as a large inventory of spare parts for a wide range of arcade machines.

BA from The Ohio State University, Associates from DeVry University

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