Yes, it works fine with the preamp completely removed...
Dr. William J. Schmidt - K9HZ / J68HZ/ 8P6HK/ ZF2HZ Owner - Operator Big Signal Ranch Staunton, Illinois email: [email protected] -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of iain macdonnell - N6ML Sent: Monday, December 31, 2012 3:18 PM To: [email protected] Cc: Elecraft Mailing List Subject: Re: [Elecraft] K3 won't shut off? Does the K3 power off fully if you disconnect the ACC connector? It sounds like something is pulling pin 8 down.... 73, ~iain / N6ML On Mon, Dec 31, 2012 at 12:20 PM, Dr. William J. Schmidt, II <[email protected]> wrote: > So I connected my PR6 - 6 meter preamp to my K3 for the first time > last week and work some DX. At the end of the day I go to shut the > radio off and the display goes blank (hear the relays disengage) but > all of the LEDs are still lit on the radio. and it will not turn back > on except to cycle the power on the power supply. I discuss this with > a friend and he reminds me that there was a MOD for K3's to put a > diode on the KPA3 board for the 12V sense circuit, but after looking > at the MOD sheet on the Elecraft website, it says that this MOD was > incorporated into the radio as of 2009 (my radio less than a year > old). I remove the fans to check for the 1N4148 on P68A of the KPA3 > and it's not there. So two questions. Has anyone else experienced > this phenomena, and does anyone know. was that diode actually incorporated into the radio on the board somewhere else and mine is just bad? > > > > > > Dr. William J. Schmidt - K9HZ / J68HZ/ 8P6HK/ ZF2HZ/ PJ4HZ > > > > Owner - Operator > > Big Signal Ranch > > Staunton, Illinois > > > > email: <mailto:[email protected]> [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 ______________________________________________________________ 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
