Sounds like some internal RF feedback. Sent from my iPad
> On Apr 26, 2019, at 11:43 AM, Nicklas Johnson <[email protected]> wrote: > > This morning just for yuks, I also temporarily disconnected the ground from > the rig entirely while also connecting only to a dummy load, so there could > be no path to ground at all, let alone multiple paths. No change. > > I guess the next things I'll probably try are a full factory reset, and > then perhaps popping it open to make sure nothing has come unseated. But > first I'll drop a line to Elecraft support too. I've seen a number of > people post about similar problems that either magically resolved > themselves or ended up being a fault on the audio board. > > Nick > > >> On Thu, 25 Apr 2019 at 23:27, Nicklas Johnson <[email protected]> wrote: >> >> Again, the problem persists with all inputs completely disconnected and >> the mic gain set at 0. And running solely on a battery into a dummy load. >> >> Nick >> >> On Thu, Apr 25, 2019, 10:10 PM Jim Brown <[email protected]> >> wrote: >> >>>> On 4/25/2019 8:15 PM, Nicklas Johnson wrote: >>>> Physically touching the case or grabbing the barrel of the front panel >>> mic >>>> connector actually does cause the buzz to get just a little softer. >>> >>> I suspect either a bonding problem or a problem with the wiring of the >>> mic. >>> >>>> I generally use solar/battery power, though my ground is bonded to my >>>> utility ground. >>> >>> I suggest that you carefully study either N0AX's recent ARRL book on >>> grounding and bonding, or the slides for talks I've given at Visalia and >>> Pacifion. >>> >>> 73, Jim K9YC >>> >>> ______________________________________________________________ >>> 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 >>> >> > > -- > *N6OL* > Saying something doesn't make it true. Belief in something doesn't make it > real. And if you have to lie to support a position, that position is not > worth supporting. > ______________________________________________________________ > 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 > ______________________________________________________________ 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
