Hey all,
I found a Nes at a flea market yesterday. Upon putting a game in, the blinking light thing you all are probably familiar with, reared it's ugly head. I read up on cleaning methods, so I began my prep and opened the system up. The 72-pin connector got a good cleaning, and I put everything back together. Now, the problem was either the blank screen or messed up graphics. I tried cleaning the games, but that did not do much good.
Now, I have opened the Nes back up again. I never did pull out the connector, so I did. The contacts on the motherboard look like they may be the ultimate problem: they have some green/grey gunk on them. Scrubbing with a toothbrush coated very finely in alcohol can't get it up, neither can a paper towel.
So, I'm asking you all this: is there a known formula for the game contact cleaning paste sold over on Nintendo Repair Shop? I would buy a complete repair set from them to quickly eliminate all of the problems, but I'm kinda strapped for cash at the moment.
Maybe just a new 72-pin would suffice....
Thanks a lot for your help!