You might also take a look for a note from k6ll in the archives about erratic button behavior related to encoder issues-he described a way to exercise the encoders that resolved what looked like keypad issues on my k3 in short order.
73 Scott ka9p Make something good happen! > On Apr 8, 2016, at 6:26 PM, Ron D'Eau Claire <r...@cobi.biz> wrote: > > I've not experienced that with my K3 which goes back to 2008 (S/N 00010), > but I would suspect corrosion on contacts. You might remove the front panel > assembly from the K3 and then plug it in again, and possibly do the same for > the DSP board. I've seen others suggest exercising the troubled switches > many times to good effect. > > One reason I've not experienced it on ol' number 10 is that every time there > a question about the assembly procedure or a kit change it comes apart to > check the changes. The contacts get exercised a lot. > > I don't recall if you built your K3 from a kit, Fred, but if not download > the KRX3 manual from the Elecraft web site. It has detailed instructions for > R/R the front panel assembly as part of the sub receiver installation. > > After splitting logs for an hour this afternoon with trusty axe, I feel like > my personal "tach" is on the peg just sitting here (puff, puff, puff). I > might be experiencing some "corrosion" myself and in need of more exercise. > > Good hunting and 73 > Ron AC7AC > > -----Original Message----- > From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred > Jensen > Sent: Friday, April 8, 2016 3:44 PM > To: Elecraft Reflector > Subject: [Elecraft] K3 front panel switches > > My K3, S/N 642, has been slowly developing "front panel dementia" [as am I > as I accumulate birthdays]. A number of the switches are becoming > intermittent, and often, the first push of one causes a totally unrelated > action [e.g. tapping BAND UP turns on NR]. It doesn't happen with all of > them and it seems like the ones I use the most are pretty stable. I find > that a really positive actuation, as in hard, often makes it work correctly. > > My K3 is getting somewhat long in the tooth as the S/N would indicate, but I > was under the impression that the front panel switches were rated at > multi-millions of operations, and I'm sure I haven't come remotely close to > exceeding that. My truck is 13 years old and is developing similar symptoms > [Tach says the engine is doing 6,000 RPM sitting in the driveway :-)] > > Curious: > > 1. Anybody else experience this? > > 2. If so, what did you do? > > 3. How do I tell if it's time to send it into the Big E? > > 73, > > Fred K6DGW > - Northern California Contest Club > - CU in the Cal QSO Party 1-2 Oct 2016 > - www.cqp.org > ______________________________________________________________ > 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 r...@elecraft.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 k...@aol.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
