Follow up: the KXUSB3 cable was faulty according to QRP Project. Got a new one, now everything works again.
2016-09-07 0:05 GMT+02:00 iain macdonnell - N6ML <[email protected]>: > On Tue, Sep 6, 2016 at 9:25 AM, Holger Schurig <[email protected]> > wrote: > > - yes, it echos back one character at a time, like I'm typing > > > > - yes, it echos back even when I enter random characters. > > Does the echo happen if the KX3 is connected but not powered on? > > > > I opened my KX3 and removed the the shielding (Battery retainer). Then I > > measured at J3 (ACC1). Imagine that the ACC1 is positioned towards the > left, > > then the lower-right and the right pins of J3 have a connection > according to > > my Multimeter. But I think that is the switch that is inside the socket. > > Yes, I see the same thing, but only when there is nothing plugged in. > The schematic shows a switch connected to (unused) pin 4. > > A simpler test might be to use a stereo audio cable, plugged into ACC1 > - measure between the tip and ring at the other end. I see a few > M-ohms there in both directions... > > 73, > > ~iain / N6ML > ______________________________________________________________ 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 Message delivered to [email protected]
