@objectrecyler @squibbons Thank you, I'll grab one of those now 🙂
Software / web developer by day, writer by night. Can also be found running, reading, and gaming.
Some stories: http://www.medium.com/@scutterman/
Tom WIlloughby
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Thank you to everyone who gave suggestions for cleaning up my megadrive controller. A few minutes work with a fibreglass pencil got everything working much better.
@GloriaBumstead As far as I can tell the membrane is almost like new. I cleaned the metal dot attached to the membrane just in case that helped.
@NadiaPurge thank you! I'll add this to my list of things to try 🙂
@pawv It definitely lose continuity when probing silver / brown areas compared to silver / silver. On some of the pads it's a complete loss, on others it's just less reliable.
The good news is that probing either side of the brown areas still has continuity, so it looks like it might be built up on top - or at least not going all the way through.
Adding a layer of solder is definitely an option if I can't clean it off, but I'll need to practice on something else first.
@pawv If it does turn out the chip is broken, I have an identical gamepad so I might try a transplant to try and get one working. I'm hoping it does turn out to be either oxidisation or wear on the gold pad though.
@snowfox The contacts have a gold colour irl, but it was hard getting a good picture without the light reflecting oddly.
I'm going to try some mild abrasives today and see if they give me better results.
@devlin I can go buy one today and try it, thanks!
@pawv That explained it really well. I did a quick test of the gold pads and confirmed no connection when one probe was on some of the brown area on the B button pad.
It'll take me longer to test all of the connections from each pads to each pin, but I think I have the hang of it now.
@pawv I cleaned the connector and the port on the console a couple of nights ago. That's when I opened it up and saw the metal pads on the PCB were not looking right.