Had the same thing a few years ago. I plugged the PP into the K3 only it was offset a bit. Nanacged to get the cable Red on the K3 Black. Smelled smoke (P3 cable insulation) and blew L1 on the RS232 circuit.
Sent from my iPhone ...nr4c. bill > On Sep 18, 2020, at 8:31 PM, Edward R Cole <kl...@acsalaska.net> wrote: > > Working with Rob at Elecraft Service, I removed and checked the KIO3 Digital > I/F board and found L1 blown. L2, L3, R12, and R13 are all good. L1 is on > the ground lead from the sub-D9 connector, pin 5 to ground in the K3. > Definitely blown as there is a carbon smudge next to L1. I installed a wire > jumper but still inoperational. > > Going to return the entire KIO3 unit to Elecraft for repair. > > 73, Ed - KL7UW > http://www.kl7uw.com > Dubus-NA Business mail: > dubus...@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 n...@widomaker.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