> The K2 has a pin 1 problem at the mic connector and the headphone connector -- > neither of those connector shells touch the chassis if built according to > instructions. I > suspect that there is also a pin 1 problem at the RS232 connector, but > haven't looked at > that yet. I've fixed the pin 1 problem at the mic connector.
>> Hi Jim, >> I am interested in how you fixed the "pin1" problem on the K2 mic connector. >> The only mod that I am aware of to addresses this is connecting the socket >> shell to the Front panel board earth plane. As you comment this can cause >> an interference voltage to be developed across the board circuitry. >> 73 >> Stewart G3RXQ > BTW -- lots of ham gear has pin 1 problems, including all the TenTec gear > I've looked > at. > Thanks to those who have responded re: instability in the K2/100 power amp > stage. All > ideas are appreciated. > > Jim Brown K9YC > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com

