Neo Geo MVS Carts from UKVaC Member Will They Work? Arcade Repair

Couple of MVS casts donated to me by UKVAC member Kev A, thank you so much for these. The intention is to attempt to repair or use these carts as donor parts for a future game conversion.
In this video I take a look at the carts, give them a clean and see how far I can get them working.
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LINKS
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Items Used in this Video:
Stadler Mars Eraser Pencil: https://amzn.to/3Ox0Wtg
Isopropyl Alcohol 99% 1L: https://amzn.to/3k9rlPY
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MUSIC
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♬ Take it slow - SefChol
   / @sefchol  
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CHAPTERS
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00:00 - The Package from Kev A
01:55 - Opening the box first look at Neo Geo MVS Carts
04:26 - Testing out the Neo Geo Faulty MVS Carts
08:09 - Cleaning the MVS Carts
14:41 - Testing them again - do they work??
18:26 - Next steps the conversions
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NOTE
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Some of the above links are affiliate links, these connect you to products at no extra cost to you, but I make a small commission for the recommendation. I only recommend items I use myself that I'd feel confident in suggesting to others. If you wish to buy them without the affiliate link you can search Amazon or elsewhere direct for the product.