[Elecraft] K3 RX Issue?

[Lee Hiers]

Thanks Mike - it was an ID-10T error:  I had the RX antenna selected with
nothing on the RX antenna port.

73 de Lee, AA4GA


On Thu, May 11, 2023 at 9:47 PM Michael Carter <Mike.Carter at unh.edu> wrote:

> Hi Lee,
>
> Do you also have a reduced RX signal level
> on 30 meters as well as 20 meters, at least
> by comparison with your KX3?
>
> Since the TX output is OK, I will hazard a
> guess that one of the relays in the
> 20/30M bandpass filter is not making
> good contact or has developed a weak
> solder joint on the RF board.  While that
> should also reduce the TX output, the
> TX Power control loop may compensate
> enough to make the added loss through
> the relay less noticeable.
>
> I would carefully inspect all solder joints
> in the 20/30M bandpass filter circuit,
> maybe do the same for the lowpass
> filter.  I would try gently pressing on the
> relay casings while listening to a good
> strong signal on 20 meters and 30 meters
> to see if there is an audible change in RX signal
> level.
>
> 73,
> Mike, K8CN
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