Although you got plenty of replies concerning possible firmware problems, your symptoms sound a lot like what happened to one of my K3s recently that in the end turned out to be a faulty KXV3, the so-called "Transverter Interface" that also supports the RX ANT I/O and the I/F OUT.
If you have a sub-rx with a dedicated input (the "AUX RF" BNC connector beneath the ANT2 SO239), try connecting an antenna to it and see if the sub-rx works. That connector bypasses the KXV3 whereas ANT1, ANT2 and RX ANT IN all go through it. In my case, that showed that the sub-rx and lots of the firmware was working, suggesting (but not proving) that the main rx was simply antenna-starved. If that is what you see, consider swapping in a KXV3 or KXV3A board from one of the other K3s on site. It is not a trivial amount of disassembly/reassembly of two K3s, but the manuals are downloadable and good. If the "dead" K3 works with the other KXV3, then you know what you need. GL & 73, /Rick N6XI On Thu, Nov 28, 2013 at 7:28 AM, <[email protected]> wrote: > All: > > Here on Curacao, one of the members' K3 stopped receiving abruptly this > morning, after he had called a couple of times and while he was just > listening. He said it sounded like someone disconnected the antenna. > > Neither the Main nor Subreceiver are hearing signals. Using Antenna 1, > Antenna 2, or RX antenna inputs makes no difference. > > The P3 display reflects changing the changing frequency (in digits, at > top) with the VFOs, but the noise pattern displayed does not change. > > We've eliminated everything outside of the radio in the RF path as a > cause. He went through the troubleshooting section of the manual. No Joy. > > This radio was carried down for the contest, and has only been here for 2 > weeks in our air-conditioned shack. No danger of salt air contamination, > which over time has "bad effects" on radios here! > > Is there a "reset defaults" command to return the radio to a known > pristine state, lest some parameter have been changed inadvertently? He > reportedly needed such a command for his P3 before travelling to Curacao > last week. > > Thanks for any guidence. He'd rather not pack it up for travel back to > the States yet! > > (BTW, the PJ2T Multi-Multi operation this past weekend in CQWW CW was an > all-K3 affair, with five stations. No failures, no problems, and the > largest CQWW CW score ever for us! We appear to be second or third > Worldwide Multi-Multi.) > > 73, Jeff PJ2/K8ND > > [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 -- Rick Tavan N6XI Truckee, CA ______________________________________________________________ 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
