Maybe swap synthesizers
Jack BMW Motorcycles Chuck KE9UW c-haw...@illinois.edu Sent from my iPad > On Jun 10, 2020, at 2:00 PM, Jack Brindle via Elecraft > <elecraft@mailman.qth.net> wrote: > > That probably wouldn’t help. In this case the system includes the SubRx, the > Synthesizer and all the interconnects and cables that connect these to the > rest of the radio. > > I would check the interconnects, especially the tmp coax cables that go from > the SubRx to the rear panel connector and to the Synthesizer. Also make sure > the SubRx synthesizer is working properly. That might also explain the SubRx > issue. > > 73! > Jack, W6FB > > >> On Jun 10, 2020, at 11:26 AM, hawley, charles j jr <c-haw...@illinois.edu> >> wrote: >> >> Maybe you could remove the sub and send it for evaluation somewhat >> economically >> >> Chuck Jack Hawley >> KE9UW >> >> Sent from my iPhone, cjack >> >>>> On Jun 10, 2020, at 12:59 PM, Ray Albers <rayalb...@gmail.com> wrote: >>> >>> I bought my K3 used. It's now a bit over six years old (S/N 8240). The >>> seller kindly included the manual, original invoice, a repair invoice and >>> even the Fred Cady book. The K3 was factory assembled, with a >>> factory-installed KRX3 subreceiver and the BNC auxiliary antenna connection. >>> >>> If I had bought a new K3 or K3S I probably would not have bothered getting >>> the subreceiver, but since I have it, I figured I may as well put it to >>> some use. I don't chase DX but the notion of experimenting with diversity >>> reception interested me. So I threw a chunk of wire over the roof and >>> connected it to the BNC input. Admittedly not a really good diversity >>> antenna (much too close to the main antenna, for one thing) but OK to play >>> with. When I found that the Carrier Operated Relay was operating as I sent >>> CW, in order to protect the sub-receiver, I stopped until I could get and >>> install an Array Solutions Receiver Front End Protector. >>> >>> So I had many months of fun and even found that at times there was enough >>> diversity between the antennas to help with reception in the face of fast >>> QSB. And then suddenly the sub started failing. >>> >>> I check it when turning the radio on, and often the sub is working but >>> then after a while it stops. It doesn't seem to be correlated to >>> transmitting, i.e., it may stop after I've been sending but not always and >>> never right away. There has even been a time or two when it didn't work >>> initially but then came back to life after a while. Often it will work on >>> 20 and up but not on 80, 40, and 30. >>> >>> I've opened the radio, taken the cover off the sub, and poked, wiggled and >>> re-seated everything I could get my hands on. I've even tried this poking >>> while the radio was powered up and the sub was quiet, to see if any poking >>> could bring it to life. Nada. >>> >>> I suppose at this point the "right" thing to do would be to send the radio >>> to Elecraft and I may do that at some distant future point, but right now I >>> feel that I don't want the sub badly enough to warrant the expense and time. >>> >>> Of course if meanwhile anyone has a miracle cure to suggest, that'd be >>> great! >>> >>> Thanks for listening. >>> >>> 73 >>> Ray K2HYD >>> ______________________________________________________________ >>> 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 c-haw...@illinois.edu >> ______________________________________________________________ >> 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 jackbrin...@me.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 c-haw...@illinois.edu ______________________________________________________________ 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
