[Elecraft] kx2 SSB always in TX

Michael Walker va3mw at portcredit.net
Tue Jun 30 13:27:13 EDT 2020


Thanks Don

Plugging a Stereo  (3 conductor) does not cause the radio to go into TX
with Menu:MIC BTN set to Ptt.

Looking like a bad MH3.

I did ohm out the MIC between ground and the PTT line and it did show
open.  I would be expecting a short.

Mike va3mw

On Tue, Jun 30, 2020 at 1:18 PM Don Wilhelm <donwilh at embarqmail.com> wrote:

> Mike,
>
> Do you have a normal stereo plug available? - or a stereo audio cable
> with nothing on the far end?  If so, plug that in and see if the same
> thing happens - make certain it is in all the way.  If not, the MH3 has
> a problem.
> If it still goes into transmit, the KX2 has a problem.
>
> 73,
> Don W3FPR
>
> On 6/30/2020 12:59 PM, Michael Walker wrote:
> > Hi All
> >
> > I have had a kx2 since they first came out and I have chased this problem
> > since day 1.  But, since I never use it on SSB, I have never worried
> about
> > it.  s/n 337
> >
> > Everything I plug in the MH3 Mic, the radio goes into TX.  I have the
> > latest firmware on it.
> >
> > If Menu:MIC BTN is set to OFF, it does not TX with the PTT button on the
> MIC
> > If Menu:MIC BTN is set to PTT, the radios into TX as soon as you plug the
> > MIC in
> > If Menu:MIC BTN is set to Ptt UP.dn, the radio goes into TX as soon as
> you
> > plug the MIC in
> >
> > VOX is off
> >
>


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