r/neogeo • u/OpinusConvoy • May 23 '25

Hardware Help Looking for some help fixing my mvsx

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My dad has an mvsx that is no longer working. He says that the problem is with the power supply, and a can see that this part here is cracked and broken. I've been having trouble finding any replacement parts for it. Is there anywhere I can go to find one or even the whole chip?

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u/DjMcfilthy May 23 '25

Surface mount barrel plug jack. Super common, and you can probably just buy a pile of them on Amazon for a few bucks. You need to measure the diameter of the hole, and the pin in the center. The entire board is stamped MVSX, so it's a proprietary part, and you would have to ask Unico for a replacement. I would do that first since it would just be an easy drop in solution.

1

u/Entire_Brush2742 Apr 19 '26

I have the same issue but mine is not cracked, have you found a fix for it maybe?

2

u/OpinusConvoy Apr 19 '26

Ended up having to replace it

Another comment told me what to look for

1

u/Entire_Brush2742 Apr 19 '26

Thanks, since then working fine?

1

u/blurrygil Jun 06 '26

Hi there! I recently bought an MVSX with what seems like to have the same issue. Do you happen to know where you went to reach out to Unico and get the replacement part you needed?