Repairing keyboard membrane traces,
I took this apart because the membrane had R=15kΩ with no keys pressed and registered as everything stuck.
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Testing the controller, shorting pins with a 150kΩ resistor (homebrewed because I don't have components lying around) generated keystrokes.
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Anyway "no longer" doesn't make sense. You don't repair keyboards unless they're 30+ years old. Anything newer is junk. :-)
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True! That makes sense, I just can’t believe it registers reliably at 10^5 ohm. That sounds like either option would work! Also IIRC from last time I got membrane wet, if it’s a Model M modern Unicomps might still have similar enough membranes to drop-in.
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It's Model M SSK. Nobody has the membranes unless you want to cut a full-size one, then you have to repair traces anyway...
End of conversation
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