Matt, a difference in the language. I would take them to be the same. 73, Bill K9YEQ
-----Original Message----- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Matt Zilmer Sent: Thursday, May 4, 2017 11:44 AM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3 with subrx - intermittent main RX problem and pwr out Sorry to be thick.... Is a dry joint same as a cold joint? Thanks and 73, matt W6NIA On 5/4/2017 9:12 AM, Alan. G4GNX wrote: > FWIW we thought that a relay was failing on our club's KAT500. I > bought a new one from Elecraft and replaced it without thinking about > it. They're quite cheap and it wasn't worth chancing an intermittent > relay. > Whilst I was re-assembling the tuner, I discovered that the tag washer > connecting Ant 1 to its screw terminal had developed a dry joint, > which was the real cause of the intermittency. I don't know whether it > was a manufacturing fault or someone had been heavy handed when > assembling it. > > It would be worth checking soldered joints and other connections > before replacing a relay. You may need to use a magnifying glass as it > may not show up on a meter test. Another thing to try is what we used > to do as service technicians; use an aerosol freezer spray in small > areas around the suspected area and possibly a hair dryer on a warm > setting (not hot) and observe for changes under test. > > 73, > > Alan. G4GNX > > -----Original Message----- From: Victor Rosenthal 4X6GP > Sent: Thursday, May 4, 2017 3:07 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] K3 with subrx - intermittent main RX problem > and pwr out > > Well, I had a relay fail on my KAT3 board. I don't remember which one. > Elecraft sent me a replacement. It wasn't hard to replace, but it > happens. > > 73, > Victor, 4X6GP > Rehovot, Israel > Formerly K2VCO > http://www.qsl.net/k2vco/ > > On 4 May 2017 16:46, Don Wilhelm wrote: >> Olaf, >> >> The relays used by Elecraft are quite reliable, so I suspect that is >> not a reasonable source of the problem. In more than 12 years of >> repairing the Elecraft legacy gear (more than 1200 repairs), I have >> had to replace only a small handful of relays due to failure. I have >> replaced several where the builder has distorted the case with a soldering >> iron. >> >> I would double and triple check the SUBIN and SUBOUT connectors. A >> connector failure is much more likely than a relay failure. >> >> You might contact K3support to see if they have encountered a >> situation like yours before. >> >> 73, >> Don W3FPR >> >> On 5/4/2017 3:31 AM, la3rk wrote: >>> I have a K3 approx 8 years old. Fully equipped with subrx, 100W PA, >>> antenna tuner and in/out module. >>> >>> When I connect the subrx, the main rx sometimes loses signal and at >>> the same time power out goes to zero. > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@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 > mzil...@roadrunner.com -- "A delay is better than a disaster." -- unknown Matt Zilmer, W6NIA [Shiraz] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@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 k9...@live.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@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 arch...@mail-archive.com
