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 <[email protected]> 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:[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] ______________________________________________________________ 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]
