Bill, Do you know what was fixed? Symptoms appear to be a bad device in PA.
Dave wo2x Sent from my iPad > On Oct 28, 2018, at 10:15 AM, Bill Johnson <k9...@live.com> wrote: > > I did and sent in to factory to fix. > Bil > K9YEQ > > Bill > 920-421-1172 > > ________________________________ > From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> on > behalf of Peter Dougherty (W2IRT) <li...@w2irt.net> > Sent: Saturday, October 27, 2018 11:36:40 PM > To: elecraft@mailman.qth.net > Subject: [Elecraft] Possible K3s TX failure - distorted audio > > Hi all. > Early into CQWW this weekend I was getting reports of extremely distorted > audio from my K3s. Being mostly a CW (and 6m FT8) operator I wasn't sure > what was going on. I figured it was RF, but it was happening at all power > levels, from QRP to 100W, and QRO with my KPA-1500. Same (bad) audio, just > stronger/weaker signals. All bands were equally bad. > > I ended up going from the radio directly to the tower, physically bypassing > the amp and tuner, and only running low power, with the same result. It > sounded more like distorted audio than RF ingress. > > Some troubleshooting by Dave, WO2X, who is a Flex owner: He remoted in to > his Flex a few miles away and noticed my garbled signal was absolutely dirty > and wide, despite low mic gain and little or no compression. The audio > sounded clean through the monitor, so it wasn't the audio chain. He's > speculating I may have a blown FET in the PA stage. > > We put in a Flex 6500 temporarily and it seems to be running fine. Wondering > if anybody here has had experience with this, and if so, what are my next > steps? > > Thanks in advance. > > --------------------------------------------- > 73 and Good DX > Peter, W2IRT > > K3s S/N 10023 > > > ______________________________________________________________ > 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 rocke...@gmail.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
