Here's an interesting information on resurrecting dead CPS-3 American 3S carts

It’s not really a way to resurrect it but it’s a way to use ANY WORKING CPS-3 cart to play Third Strike. This even includes the American sounds even if you don’t have an American cart or even a Third Strike cart!!! Any CPS-3 cart with a working battery will do:)

Read this link and talk about this: