Thanks for the help. I already "cc'd" them on the original post so they will know... and I will be on the phone tomorrow ASAP. The customer service is excellent. My fear is, leaving on Friday... if it's anything more than pushing a button/ resetting something/ removing a module... this radio stays home.
Man the article I'm writing on Island radio is not looking pretty... 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 Dale Boresz Sent: Sunday, July 29, 2012 6:34 PM To: [email protected] Cc: [email protected] Subject: Re: [Elecraft] Dead K3 Bill, Sorry, that's about the only thing that comes to mind that you could try without some disassembling. I agree, it sounds like D28 is not the issue. I'd call Elecraft Tech Support tomorrow and I'll bet they can help you out. Best wishes for a quick and easy fix! 73, Dale WA8SRA On 7/29/2012 7:16 PM, Dr. William J. Schmidt, II wrote: > Thanks for the tip... Measured about 995 ohms at the connector, so it > appears D28 is still intact. > > > 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 Dale Boresz > Sent: Sunday, July 29, 2012 6:07 PM > To: [email protected] > Subject: Re: [Elecraft] Dead K3 > > If you can, check the resistance across the K3 "12VDC IN" Power Pole > connections (after you've disconnected your Power Supply of course). > > On my K3, an internal zener-like diode (D28 on the RF Board) evidently > gave up its life to protect the radio from an overvoltage, and > evidently the failure mode is a short circuit. This diode goes > straight to ground immediately after the 6A inline fuse. I think the > fuse is an auto-resetting fuse, so you can probably assume it is still > completing the circuit for the purposes of your resistance > measurement. If you measure a dead short, the culprit is likely D28. > > 73, Dale > WA8SRA > > > > > On 7/29/2012 6:32 PM, Dr. William J. Schmidt, II wrote: >> So I was testing out my new K3 before I take it to J6 next week for a >> little DXPedition work. and after about an hour of operation.. it >> just quit. Dead as a door nail. has power to the back (checked) but >> never so much as the display activating. Any ideas? I SURE don't >> want to go back to that Flex >> 3000 that I had so much trouble with on PJ4.. >> >> >> >> >> >> Dr. William J. Schmidt - K9HZ / J68HZ/ 8P6HK/ ZF2HZ >> >> >> >> 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 > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1424 / Virus Database: 2437/5163 - Release Date: > 07/29/12 > > ______________________________________________________________ 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 ----- No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1424 / Virus Database: 2437/5163 - Release Date: 07/29/12 ______________________________________________________________ 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
