I would carefully unplug each connector. Clean it using a Q-tip moisten with contact cleaner. Then plug it back in. Make sure it is fully and correctly inserted.
Never spray anything in the radio! I would say contact grease is also a NO NO. 73 Bob, K4TAX Sent from my iPhone > On Jun 7, 2025, at 11:03 AM, [email protected] wrote: > > Send Elecraft mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/elecraft > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Elecraft digest..." > > > Today's Topics: > > 1. TMP connectors (Jim Rhodes) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 6 Jun 2025 20:25:45 -0600 > From: Jim Rhodes <[email protected]> > To: [email protected] > Subject: [Elecraft] TMP connectors > Message-ID: > <calhxr4baljvgxqdonehm5n6daoxy8caurahenzty6t2yyib...@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > My K3 does not get a lot of use anymore because its spot on the desk has > been taken by the K4D. Now the K4 has been at the mothership and the K3 > was perking along just fine and then went silent suddenly. No receive, no > transmit. I opened it up and poked around a bit the next day with the top > cover off and all of a sudden the receive started crackling and transmit > was fine. Buttoned it back up and it worked fine during off and on use for > a few days, then it went quiet again after an all day stretch. So I popped > the top and twisted all of the TMP connectors that I could reach, powered > it up and it has been working fine again. > My question to the group is: Has anyone ever gone to the trouble of > treating all of those pesky little connectors with some kind of dielectric > grease to keep them from this kind of behavior? By the time you add the > second receiver and the 2 meter board there gets to be a lot of the little > buggers in there and most of them are hard to get at. Seems like it might > be a good project to try now that the K4 is on its way home again. > > Jim K0XU > [email protected] > > > ------------------------------ > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > http://mailman.qth.net/mailman/listinfo/elecraft > You must be a subscriber to post. > Elecraft web page: http://www.elecraft.com > > End of Elecraft Digest, Vol 254, Issue 7 > **************************************** ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

