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Marco Vacquier wrote:
> Tony Firshman schreef:
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>>
>> Ralf Reköndt wrote:
>>> From: "Marco Vacquier"
>>>
>>>> @Tony F., when you visit Eindhoven next October, I may show you the
>>>> second one for you to see. That is, if it resembles the keyboard as is
>>>> shown on the pictures on the following link:
>>>>
>>>> http://www.xs4all.nl/~wij2/ehv20061014/index.html
>>>> Note pictures IMG_1596.JPG,IMG_1602.JPG, and IMG_1605.JPG
>>> Seems to me as it was the big SCHÖN Keyboard, which had "F1 - F10" in red
>>> on
>>> the the left side and a special I/F fitted on the 8049. This wasn't a
>>> standard PC keyboard. I also had such a keyboard in earlier days. After a
>>> few years, there were problems with some of the keycaps, beginning not to
>>> work properly anymore.
>>>
>> No it wasn't that one. That fitted on the QL itself and worked
>> (electronically) in the same way s the QL keyboard.
>>
>> There were issues:
>>
>> 1) The mini pcbs that fitted in the motherboard sockets made it unusable
>> for membranes - the connections were forced apart.
>>
>> 2) The ribbon cable wires broke easily - they were totally unreinforced.
>> Cure is hot glue to fix rigid.
>>
>> 3) The pcb pads oxidised causing the key problems you mention. Curable
>> by disassembling and cleaning pads with rubber.
>>
>> 4) There was a keybounce issue. They 'solved' this by re-coding the
>> 8049 and sold this to unsuspecting punters. This did cure the keybounce
>> issue, but killed serial input! I ought to thank them for this, as this
>> prompted the Hermes development!
>>
>> It did though look and feel very nice (8-)#
>>
>> Tony
>
> There were two types of SCHÖN Keyboards. The standard one costing 35 pounds
> in 1988 and 2.00 pounds p&p. The PC type one costing 99.95 pounds and
> 2.50 p&p.
>
> The standard one fitted on the QL itself, the PC one has a 5 pin Din
> plug on a board that fits on top of the QL, replacing the original keyboard.
>
> The one on the picture (now laying on my attic) looks like the PC type.
> I'm looking on an advertisement by SCHÖN from 1988 right now.
>
> It also suffers from bad responding keys, so I'll try to clean the pcb
> one day.
>
Ah I might even *have* one of those somewhere. Finding it is a
different matter.
They were very different in design. Didn't they also *look* different?
The PC style one connecting with the DIN plug must have had an internal
pcb plugging into the 8049 socket, with the 8049 being put onto their
pcb. Only guessing as I have not seen one, but the QL-type keyboard (as
the internal one was) requires many more connections.
When I was talking about faults, it was the internal one. I know nothing
about the external one.
Tony
- --
QBBS (QL fido BBS 2:257/67) +44(0)1442-828255
[EMAIL PROTECTED] http://firshman.co.uk
Voice: +44(0)1442-828254 Fax: +44(0)1442-828255 Skype: tonyfirshman
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