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Re: Apple II+ Keyboard repair

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Michael Black wrote:
> On Mon, 17 Oct 2011, D Finnigan wrote:
> 
>> kynrek wrote:
>>>
>>> However the keys are not showing the right characters. for instance
>>> the letters s and d both output the letter w, most of the number keys
>>> output a ?.
>>
>> I had a problem like this a few months ago, and as I recall, it was
>> because
>> some of the key switches were stuck in the closed position. Now the cause
>> was probably different: I had washed the keyboard, and there was still
>> water
>> making a circuit in some of the keys.
>>
> But I would figure a washing might just be what's needed.  Either because 
> the keys stick, or something sticky has been spilled on the keyboard and 
> is shorting out contacts somewhere.
> 
> I had an "IBM" keyboard apart recently and it was pretty disgusting.
> 
> It seems daring to actually wash a circuit board, but so long as one dries

> it very carefull (be patient, sit it out in the hot sun, or even put it in

> the oven at a very minimal temperature for a few hours).
> 

Personal notes from observing the effects of washing my Apple II Plus
keyboard:

Make sure to use the "purest" water possible; my green board has various
water and oil spots, likely from minerals and such in the water. Soap is
unnecessary; water itself is a solvent.

-- 
]DF$
Mac GUI Vault - A source for retro Apple II and
Macintosh computing.
http://macgui.com/vault/

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Apple II+ Keyboard repair kynrek <kynrek@gmail.com> - 2011-10-17 10:51 -0700
  Re: Apple II+ Keyboard repair dog_cow@macgui.com (D Finnigan) - 2011-10-17 18:14 +0000
    Re: Apple II+ Keyboard repair Michael Black <et472@ncf.ca> - 2011-10-17 15:35 -0400
      Re: Apple II+ Keyboard repair dog_cow@macgui.com (D Finnigan) - 2011-10-17 20:45 +0000
  Re: Apple II+ Keyboard repair rittwage <rittwage@gmail.com> - 2011-10-17 14:41 -0700
    Re: Apple II+ Keyboard repair kynrek <kynrek@gmail.com> - 2011-10-17 16:28 -0700
      Re: Apple II+ Keyboard repair Michael J. Mahon <mjmahon@aol.com> - 2011-10-17 19:25 -0500
      Re: Apple II+ Keyboard repair kynrek <kynrek@gmail.com> - 2011-10-17 17:32 -0700
      Re: Apple II+ Keyboard repair Patrick Schaefer <pa.schaefer@web.de> - 2011-10-18 19:35 +0200
        Re: Apple II+ Keyboard repair kynrek <kynrek@gmail.com> - 2011-10-20 17:19 -0700
          Re: Apple II+ Keyboard repair dog_cow@macgui.com (D Finnigan) - 2011-10-21 00:45 +0000
            Re: Apple II+ Keyboard repair Raymond Wiker <raw@rawmbp.lan> - 2011-10-21 06:41 +0200
              Re: Apple II+ Keyboard repair kynrek <kynrek@gmail.com> - 2011-10-24 07:26 -0700
              Re: Apple II+ Keyboard repair kynrek <kynrek@gmail.com> - 2011-10-25 16:43 -0700

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