Ed,
Is this a K3 that has been upgraded with the KIO3B option? Or is it a K3S?
If so did you plug anything into the LINE IN jack on the back - either
intentionally or by mistake? That will open the path for the internal
soundcard output.
Switch to SSB and try transmitting voice - if that works, the K3 is
capable of transmitting in DATA A mode, and you have a problem with the
audio. While that does not fix it, it will tell you where to look.
If this is a K3 with a soundcard not internal to the K3, plug your
headphones (or an amplified computer speaker) into the soundcard speaker
jack to see if you can hear audio when the software application transmits.
73,
Don W3FPR
On 6/17/2019 2:39 PM,
[hidden email] wrote:
> I've been using my K3 almost exclusively on WSJT-X FT8 since the mode
> came into being. Things worked fine until a couple days ago when I no
> longer see any power out or ALC indication regardless of band setting.
> All connections remain as before, untouched. I switched to MMTTY and
> AFSK-A to try RTTY and again no power transmitted. I have no trouble
> receiving for either application. I've checked the speaker port of my
> computer with a pair of headphones and I can hear audio when I key WSJT-X
> so apparently the rig is getting audio in.
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