Re: Vic-20 in 64C case

From: Terry Raymond <traymond20_at_gmail.com>
Date: Wed, 9 Sep 2015 08:48:24 -0700
Message-ID: <CAEFCF-oJeHak5vXQ-LYS9gs6BUfEqmxTSXm8Tt+p2G8LCv1QMA@mail.gmail.com>
Well even pressing on the key hard wont work so theres some wear somewhere.

I really used this Vic a lot and typed in a lot of programs etc back in the
early 1990's
so it had lots of use.

Terry Raymond

On Wednesday, September 9, 2015, William Levak <wlevak@sdf.org> wrote:

>
> Do you see actual signs of wear?  Sometimes corrosion on the surface
> prevents a good contact.  Before applying anything to the contacts, try
> cleaning them with a non-abrasive pencil eraser. If that does not work, try
> lightly polishing them with 1500 grit sandpaper.
>
>
> On Tue, 8 Sep 2015, Terry Raymond wrote:
>
> I think my two keyboards the contacts on the KB PCB are worn I heard years
>> ago there is a compound that can be applied to the contact to build it up
>> to repair it.
>> Terry Raymond
>>
>> On Monday, September 7, 2015, Gerrit Heitsch <gerrit@laosinh.s.bawue.de>
>> wrote:
>>
>> On 09/07/2015 06:29 PM, William Levak wrote:
>>>
>>> On Mon, 7 Sep 2015, Giacomo wrote:
>>>>
>>>> Or take some time to clean it:
>>>>
>>>>> http://www.oldcomputr.com/cleaning-the-keyboard-of-a-vic-20/
>>>>> You have to desolder the shift lock contacts under the keyboard, then
>>>>> it's
>>>>> just a matter of unscrewing a couple of dozen of small screws. Remove
>>>>> all
>>>>> the dirt then gently clean the contacts with isopropyl alcohol.
>>>>>
>>>>>
>>>>
>>>> 91 per cent isopropyl is preferable, since it takes the water with it
>>>> when it evaporates.
>>>>
>>>>
>>> Be careful if you find you have one of those keyboards that have the
>>> black
>>> coating on the contacts on the PCB. It's a bad idea to remove that
>>> coating.
>>>
>>>  Gerrit
>>>
>>>
>>>
>>>       Message was sent through the cbm-hackers mailing list
>>>
>>>
>>
>> --
>> Sent from Gmail Mobile
>>
>>
> wlevak@sdf.lonestar.org
> SDF Public Access UNIX System - http://sdf.lonestar.org
>
>       Message was sent through the cbm-hackers mailing list
>


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Received on 2015-09-09 16:00:45

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