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Article View: comp.sys.zenith.z100
Article #191

Re: cleaning the keyboard

#191
From: David Ruderman
Date: Mon, 23 Jul 1990 15:55
31 lines
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In article <3540@husc6.harvard.edu> ddl@husc6.harvard.edu (Dan Lanciani) writes:
>
>	What's the consensus on cleaning the key contacts?  Too many
>keys are getting too unreliable and popping individual caps looks to
>be potentially destructive...  Maybe dip the whole thing :)
>

	It has been my experience (with the H/Z-120 all-in-one)
that if the keys
do not clean by opening up the machine and blowing out the keys
with some high powered contact cleaner, then you can replace the 
keyboard which just pops out (after you dig down into the machine and 
find some money) or replace the individual key switch (which can be had
from heath/zenith quite cheaply, if they got them.  I suggest you get
a dozen. You have to take out the keyboard, desolder the switch, then
remove it.  The new switch just pops in.)

	I had to resort to replacing the keys, because the spraying
just clogged up the key switches more (and other adjacent keys).  In fact
I have also replaced the keyboard (at the time they were $120 with a 
trade in.)

	I havent done this in some time, but my poor friend who now
owns the machine has to do this occasionally.

-dave
--
--------------------------        -   
David Ruderman                  ( # ) O '  '   '    '     '      '       '
Racquetball Commissioner          Y      Racquetball
--------------------------        I           Uber Alles!
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Message-ID: <1990Jul23.155521.29110@sbcs.sunysb.edu>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!uwm.edu!psuvax1!rutgers!cmcl2!sbcs!sboslab7!ruderman
References: <3540@husc6.harvard.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!uwm.edu!psuvax1!rutgers!cmcl2!sbcs!sboslab7!ruderman
From: ruderman@sboslab7.cs.sunysb.edu (David Ruderman)
Newsgroups: comp.sys.zenith.z100
Subject: Re: cleaning the keyboard
Message-ID: <1990Jul23.155521.29110@sbcs.sunysb.edu>
Date: 23 Jul 90 15:55:21 GMT
References: <3540@husc6.harvard.edu>
Sender: usenet@sbcs.sunysb.edu (Usenet poster)
Organization: State University of New York at Stony Brook
Lines: 31