[GreenKeys] Long shot - Frederick 1280 parts unit??

[Nick England]

Still looking for a Frederick/Plantronics 1280 or 1280A junker -

On Mon, Dec 7, 2020 at 9:26 PM Nick England <navy.radio at gmail.com> wrote:

> I was given a Frederick 1280A TU by a very kind greenkeyer. I think it is
> running but the plasma display isn't. My scope shows multiplexed +90v on
> digits and -90v on segments, so I am pretty sure it is the glass plasma
> panel itself at fault.
>
> Does anyone have a junker?? 1280 or 1280A should work.
> http://www.navy-radio.com/rtty/frederick/1280a/IMG_5233.JPG
>
> Cheers,
> Nick England K4NYW
> www.navy-radio.com
>
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