[Elecraft] Sudden loss of K3 RX sensitivity

[DC]

Plus one on the TMP connectors.  It has happened to me a couple of 
times over the years.  A little dab of Deoxit and move it around a bit 
when re-installing seems to do the trick.

Richard

K6VV

On 2/23/2021 5:40 AM, Mike K8CN wrote:
> Pete,
>
> There was a similar report on the forum last year from Per-Tore, LA7NO. In
> an extended email conversation we deduced his problems were caused by failed
> PIN diodes in one of the T/R switches, which ultimately proved to be the
> case.  His K3 also lost TX power, unlike your situation, so you may have
> lost only the PIN diode in the RX path.  There were many other possible
> causes suggested by others on the forum around that time (late July 2020) -
> you might read that thread and try the simple fixes first (e.g., twist and
> re-seat the TMP connectors) before delving into circuit/component failure
> possibilities.  The old thread is here:
>
> http://elecraft.365791.n2.nabble.com/Elecraft-K3-problem-td7663573.html#a7663581
>
> 73,
> Mike, K8CN
>
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to vetterestorer at gmail.com