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Re: Static discharge (1), Apple IIe (0)

Michael J. Mahon wrote:
Anyone have suggstions? Anyone with a IIe motherboard they'd like to part with cheap? Don't even care if the ROMs are on it, as I have plenty of them. 


Steve, unless you have been "recharging" during all this chip
swapping, it is very unlikely that anything zapped on the first
machine could do any damage to the second.  Static zaps cause
logic not to function properly, but they do not cause chips to
become "lethal" to other machines.  ;-)

I sounds like your keyboard encoder (the AY chip) got zapped, and
apparently a diode or other semiconductor on the keyboard itself.


That's what I thought originally.


After you replaced the encoder, the board was fixed, but the keyboard
was not.  When you swapped in the good main board, you got the same
result, since it was the keyboard that was bad.
Alas, I also swapped the keyboard. So, new motherboard, new keyboard. Same problem. Strange, eh? 


You can certainly replace your main board if you wish, but dollars
to donuts, it won't fix the problem.  And there is probably very
little wrong with your keyboard, for that matter.
I'll try poking through the keyboard. It's been a few years, but don't they have a bunch of switching diodes? 

Steve