Slightly scrambled screen sometimes...but not always???

NERDtendo

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Slightly scrambled screen sometimes...but not always???

I am new to NEO GEO so I have a few things that might be newb issues.

I have a NEO GEO MV1FZ board that I bought and a 100-in-1 cart (got them from the same person). When I plug in the board and turn on my game I sometimes get a slightly scrambled screen. All I have to do to correct it is turn the game off and then back on. I don't mess with anything but the power switch. I also have a Bust-A-Move cart that always has scrambled text. The picture is okay but all of the regular words are goofy.

I added pics for reference. The first two are from the 100-in-1 and the other two are from the Bust-A-Move.

Any ideas of what could be wrong and how to fix it???

Also, my Bust-A-Move cart has the Puzzle Bobble title screen. Why is that??? I know that Puzzle Bobble is the Jap release and Bust-A-Move is the US. Is it a possibility that this is a bootleg??? Or maybe I have a Japan Bios in my PCB???
 

Attachments

  • 100-in-1 BAD.jpg
    100-in-1 BAD.jpg
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  • 100-in-1 GOOD.jpg
    100-in-1 GOOD.jpg
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  • Bust-A-Move 1.jpg
    Bust-A-Move 1.jpg
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  • Bust-A-Move 2.jpg
    Bust-A-Move 2.jpg
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Clean the edge connectors on the carts with a pink pencil eraser.

Clean the slots on the MVS board as described on http://www.hardmvs.com

DO NOT use any cleaner that leaves behind an oily residue! (NO 'contact cleaner' that has silicone or other oils)
 
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