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From: sb@pro-generic.cts.com (Stephen Brown)
Newsgroups: comp.sys.apple2
Subject: Re: repeating key -- how can I fix?
Message-ID: <12234.infoapple.net@pro-generic>
Date: 6 May 90 07:40:30 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 22

In-Reply-To: message from BRL102@psuvm.psu.edu

Ben Liblit asks about a cure for his over-enthusiastic "i" key.  I have had a
number of defective switches on my IIe keyboard. Right now, my "L" key is
really flaky (you can't see how many times I have to poke it to get one darn
"L" out of it!!!).  I have been able to get replacement switches from an Apple
dealer. But be forwarned that the IIe had four different keyswitches used in
their keyboards, so you'll have to have the dead one with you. An alternative
is to increase the value of the bounce mask capacitor on the keyboard decoder
chip. The capacitor (C71) is currently 0.022 uF which gives something like an
8 mS mask. You could try increasing by tacking on a 0.056 uF capacitor and
increase the mask to 25mS.  NOTE: THIS WILL VOID ANY WARRANTY.  Oh yes, new
keyswitches for my IIe cost $7 each.

Stephen Brown

This signature could be three to six times longer, like everyone else's, thus
wasting precious net bandwidth.  But who am I to say?

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