[TenTec] Jupiter problem

[Arthur Lewis]

*Take a hard look at the CW key socket.  Sounds like it has a short.  Does
it work when you go to the internal keyer?*

*Art WA8VSJ *

On Mon, Feb 20, 2023 at 7:38 PM J.D. MacAulay, WQ8U via TenTec <
tentec at contesting.com> wrote:

>
> I have a Ten Tec Model 538 Jupiter and a Model 963 power supply I bought
> new in2001.  I am running Firmware Version1.28. It is not connected to an
> amplifier.
>
>  I was in a CW QSO,not using the internal keyer,  when thetransmitter
> turned on continuously.  Thekey had no effect.  I pulled the key plug – no
> change. The mike was not connected.
>
> I switched modes.  CW,FM, and AM – transmits continuously.  USBand LSB
> switches to transmit (“P” = 0);  no RF output. This is consistent on all
> bands.
>
> I did a RESET several times. It showed a RESET and received WWV.  When I
> went to the CW mode it showed the same continuous transmit problem.
> Behavior did not change after RESET.
>
> Suggestions would be welcomed.
>
> 73
>
> Mac
>
> WQ8U
>
> Hillsborough, NC
>
>
>
>
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