[Elecraft] Update: K3 Hard of Hearing

[John Unger]

Transmit works fine, Martin.

On Tue, Jan 21, 2020 at 7:46 PM Martin Sole <hs0zed at gmail.com> wrote:

> Is the transmit working okay?
>
> Don’t recall if you mentioned before.
>
> My early K3 suffered 0.1uf capacitor failure causing loss of injection
> which affected both tx and rx. Another cap failure caused loss of tx only
> due to shorted switching voltage. Both were on the RefOsc board.
>
>
>
> Sent from my iPhone
>
> > On 22 Jan 2020, at 02:42, John Unger <w4au.john at gmail.com> wrote:
> >
> > Wow, guys, thank you all for the suggestions of things to check, but
> still
> > no joy...
> >
> > Here's your suggestions that I have checked:
> > voltage - 13.6
> > RX ANT not on
> > I uploaded a couple of old config files - not change
> > Turning RF GAIN fully CCW puts SWR meter at full scale
> > My other K3 hears FB on all the antennas
> > This K3 doesn't have an ATU
> > Switching an antenna in and out makes no apparent difference in received
> > signals
> > No change in BP filters; they have been working fine for long time.
> >
> > I do operate SO2R. The last time radio was working OK was during the NAQP
> > CW contest where I was running 100W. I have operated KW amps in the past
> on
> > each radio without any front end problems (but there's always the first
> > time, right?).
> >
> > Thanks again for the help
> >
> > 73 - John, W4AU
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