"N64 Wont work, Tried tips from this Site, none worked"에 답변The issue here, I believe,is the AV cables. Trying replacing those first, then go from there.
"It turns on and the music plays but the screen is incorrect"에 답변Chances are that it's a problem with the RF cable. The first step would be to replace that and go from there.
"NES pin connecter compatability"에 답변I honestly don't think it will matter, but chances are you don't need to replace it at all! You need to remove it, clean it, and bend all of the pins back in place so that the carts connect to the system better. It takes a bit of time, but saves money.