Some time ago I started losing audio while using my K3
> I use Line in audio
> The symptom goes as follows: talking along and next thing you know
> there is no RF, further research shows that the radio is still in
> transmit but there is no audio.
> Put an adapter and scope on the audio input
> Now I have absolutely assessed that there is audio going in to the
> radio when this condition occurs.
> Initially all that was needed to get going again was to un key and re
> key the transmitter.
> But within the last few weeks it now needs a power cycle of the radio
> to regain audio.
> This occurs about 30-90 seconds into a transmission.
> My next step will be to take the radio apart and start re seating all
> connections.
> Another clue gained this morning on 75 meters was that when my audio
> quits, the other station can still hear me very very faintly. Lending
> credence to the audio theory.
> I have never used the front panel mic on this radio, but I do have an
> MH2 from K2 days that I might re purpose to plug into the front and
> see what the results may be.
> While I prepare for the next step in troubleshooting, has anyone else
> ever seen this anomaly ?
> 73,
> Phil K3TUF
>
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