> On Thursday, Jun 25, 2015, at Thursday, 3:42 PM, Alan <[email protected]> > wrote: > > Jim, > > I would try the following troubleshooting procedure: > > Connect the "XCVR" ACC1 RS-232 jack on the PX3 to the ACC1 jack on the KX3. > Turn them both on. If the KX3 and PX3 work normally together (PX3 reads KX3 > frequency on the screen, etc.) then the "XCVR" RS-232 port on the PX3 must be > OK. This works as expected. PX3 follows KX3 frequency, and the MRKR A QSY function works. > > Now connect the PC to the "PC" ACC1 RS-232 port on the PX3 and turn off the > PX3. If KX3 Utility can connect to the KX3, then the cables and connectors > must be good. That works. the KX3 Utility is happy. > > Now "without touching anything" turn on the PX3. If: > > - KX3 Utility can't connect to the KX3 and KX3 utility not happy - can't see KX3. > > - PX3 Utility can't connect to the PX3, PX3 utility also unhappy. > > then it sounds like the "PC" RS-232 port on the PX3 must have died somehow. Yep. Not good. And I don't have any spares! :-(
I just a few minutes ago posted about a quasi-workaround I came up for FD, but methinks Mr. KX3 is headed for surgery next week.... > > Alan N1AL > > > On 06/25/2015 09:37 AM, James Bennett wrote: >> Have a KX3 and PX3 that have been working fine - until this morning. >> Today I am unable to have the KX3 connect to my computer if the PX3 >> is powered on. If I turn off the PX3, the KX3 serial - USB >> connections works fine. As soon as the PX3 is powered on, the >> connection goes away. I'm using Elecraft-supplied cables, not >> off-brands. The PX3 Utility cannot connect to the PX3 with the KX3 on >> or with it off. Other than the connection to my iMac being hosed, the >> PX3 and KX3 appear to be working just fine. >> >> Any suggestions how to determine what's going on? >> >> Tnx, Jim / W6JHB >> ______________________________________________________________ >> 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] <mailto:[email protected]> >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > <http://mailman.qth.net/mailman/listinfo/elecraft> > Help: http://mailman.qth.net/mmfaq.htm <http://mailman.qth.net/mmfaq.htm> > Post: mailto:[email protected] <mailto:[email protected]> > > This list hosted by: http://www.qsl.net <http://www.qsl.net/> > Please help support this email list: http://www.qsl.net/donate.html > <http://www.qsl.net/donate.html> > Message delivered to [email protected] <mailto:[email protected]> ______________________________________________________________ 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]

