[vcf-midatlantic] Tandy 6000HD lives!
mloewen at cpumagic.scol.pa.us
Sun Mar 17 22:28:31 EDT 2019
On Sun, 17 Mar 2019, Jonathan Gevaryahu via vcf-midatlantic wrote:
> On 3/17/2019 8:59 PM, Mike Loewen via vcf-midatlantic wrote:
>> On Sat, 16 Mar 2019, Jonathan Gevaryahu via vcf-midatlantic wrote:
>>> On 3/16/2019 1:22 PM, David Gesswein via vcf-midatlantic wrote:
>>>> On Fri, Mar 15, 2019 at 01:06:10AM -0400, Mike Loewen via
>>>>> The foil-and-foam Keytronics keyboard required a complete rebuild
>>>>> (disintegrating foam), and a Sun Type 4 keyboard was sacrificed to
>>>>> provide replacement pads.
>>>> I have done the same steal pads to fix another keyboard since I didn't
>>>> have the time to make them myself. If you hadn't heard about them this
>>>> place sells ready to go pads. I bought a set to fix the donor but
>>>> tried them yet.
>>> Has anyone figured out a material which can be used to replace the
>>> original aluminized(?) paper discs from keytronic keyboards? The foam I
>>> know (vaguely) what type it originally was.
>>> I have four of them here (one kb3270 and three victor 9000 keyboards)
>>> where the foam has turned to goo and corroded away most of the metal on
>>> the discs, so I don't think they can be re-used.
>> Several people (me included) have used a "space blanket" from WalMart
>> as the mylar layer. You have to make sure that the conductive side is
>> attached to the foam.
>> For whatever reason, the latest batch of pads I made didn't work (only
>> about 10% success rate) on the Tandy 6000 keyboard.
> I'm not sure the original paper discs had any mylar on them at all, but I'm
> not certain. I've never for certain figured out what they were made of. Maybe
> some ex-keytronic employee knows...
See this thread:
Mike Loewen mloewen at cpumagic.scol.pa.us
Old Technology http://q7.neurotica.com/Oldtech/
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