Fairlight-CMI

Has found a good method for really cleaning the contact springs on the music
keyboard?

I've got a few dodgy notes on the keyboard, so I finally got around to
opening it up to clean the contacts.  All of the contacts are completely
black.  I'm not sure if this is some kind of tarnishing or if the gold
plating has come off or if it's some other kind of corrosion.  It's pretty
much the entire length of the spring - not just at the contact points.  The
only gold left on them is at the solder points.

I've tried alcohol and had no luck.  Should I try progold or something?

Or maybe the gold has corroded away over time or something?  It certainly
hasn't "worn off" as it's not just at the contact points.

Any thoughts?  I'd like to get this finished and off of my kitchen table...
;-)

Thanks,

Tim


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