It definitely sounds like the console is the problem. I've never personally seen a dirty cartridge slot or corrosion on the board cause issues...
Hmm...that complicates things. If the game acts like you're pressing a button when you're not actually pressing anything, then that's a CPU issue...
I don't think bad caps in an SNES typically cause games to crash. At least I've never seen that happen. If there are bad capacitors in an SNES...
I only sometimes take notes when I repair SNES consoles, so you should take this with a grain of salt, but in the limited notes I do have I wrote...
Sorry, I know it's been some time and you may have already solved your issue, but in case you haven't I just wanted to say it's most likely not...
Sorry to bump a week old thread, but this is almost definitely one of the PPUs. I'm not 100% sure which it is, but I would start by replacing...
Haha, I guess it must come down to luck then, since I'm always finding motherboards that look like they've been submerged in liquid for years with...
What I've been doing to repair these types of systems is taking CPUs from severely water-damaged consoles that are totally beyond repair or boards...
I had a console with a broken trace to the sound module that caused an issue similar to what you're describing. Some games would just give a black...
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