Re: Lisa Keyboard Repair - Here comes how to... from Philip Lord on 2005-11-06 (lisalist1)

From: Philip Lord <philip_at_email.domain.hidden>
Date: Sun, 6 Nov 2005 20:56:10 +0900

I have a spare keyboard I'd like to get going. There are maybe 10 dead keys, and a few really sticky ones. what causes them to stick?

On Nov 6, 2005, at 7:36 PM, macmoni wrote:

> Hi,
>
> open the keyboard and check the board, whether you can see any
> corroded parts.
> Then check with a Ohm-Meter, whether there is contact if you push
> the space bar.
>
> If not, try to clean the button (often full of dust) with air
> pressure.
> If yes, try to check the multiplex connection from the two pins of
> the button to other buttons and to the arry with a lot of pins in
> one row on top of the reverse side of the board. You can easily
> trace the connections visually, this is a one layer board.
> If there are interrupted connections, just resolder them (the
> button itself, the perhaps interrupted connections) or just solder
> a new wire, where corrosion took place and destroyed the connections
>
> No need to throw away and replace the original part of your Lisa !
>
> greetings TOM from Bavaria, the center of europe, the marvellous
> castles of Koenig Ludwig e.g. Neuschwanstein and last but not least
> the original Oktoberfest !
>
>
> Am 06.11.2005 um 03:59 schrieb Ballagaan_at_email.domain.hidden:
>
>
>> I have a keyboard with one key (space bar) not working. Any
>> suggestions?
>> Anyone have a working keyboard for sale?
>> Ron
>> San Diego
>> 619-225-8281
>>
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Received on 2005-11-06 03:59:10