Re: [Elecraft] K3 power down problem

2009-11-11 Thread Robert Mccormack
Ian wrote: Date: Tue, 10 Nov 2009 15:18:00 + From: Ian Maude i...@gb7mbc.net Subject: Re: [Elecraft] K3 power down problem To: Elecraft List elecraft@mailman.qth.net Message-ID:     d74929a00911100718y4a54b756lb4e980085198...@mail.gmail.com Content-Type: text/plain; charset=windows-1252 Yep

[Elecraft] K3 power down problem

2009-11-10 Thread Ian Maude
Hi all, For some reason my K3 will not switch off this morning. I hit the power off button and it powers down and starts again immediately. Obviously it goes off when I power the PSU down but it is somewhat annoying. I have reinstalled the firmware in case of corruption but have not as yet done

Re: [Elecraft] K3 power down problem

2009-11-10 Thread Stewart
Hi Ian, Have a look at the KPA3 12V Sense Mod on the modification page. It maybe the answer to your prayers. 73 Stewart G3RXQ On Tue, 10 Nov 2009 10:49:03 +, Ian Maude wrote: Hi all, For some reason my K3 will not switch off this morning. I hit the power off button and it powers down

Re: [Elecraft] K3 power down problem

2009-11-10 Thread Ian Maude
Mod done, still the same! Odd that it should just appear after all this time. 73 Ian -- Ian J Maude, G0VGS SysOp GB7MBC HB9DRV-9 DX Clusters Member RSGB, GQRP 9838, FISTS 14077 | K3 #455 http://www.amateurradiotraining.org 2009/11/10 Stewart stew...@baker.nildram.co.uk Hi Ian, Have a

Re: [Elecraft] K3 power down problem

2009-11-10 Thread Don Wilhelm
Ian, It sounds like something is activating the Remote Power On. Do you have anything plugged into the ACC connector? Check it to see if pin 8 is being shorted to ground. 73, Don W3FPR Ian Maude wrote: Mod done, still the same! Odd that it should just appear after all this time. 73 Ian

Re: [Elecraft] K3 power down problem

2009-11-10 Thread Ian Maude
No, nothing plugged in there. 73 Ian 2009/11/10 Don Wilhelm w3...@embarqmail.com Ian, It sounds like something is activating the Remote Power On. Do you have anything plugged into the ACC connector? Check it to see if pin 8 is being shorted to ground. 73, Don W3FPR Ian Maude wrote:

Re: [Elecraft] K3 power down problem

2009-11-10 Thread Ian Maude
Yep as per my thread, I did it but still the same issue. I cannot imagine that was the issue though on #455 after all this time. 73 Ian 2009/11/10 Greg - AB7R a...@cablespeed.com This is the mod description from the website: This modification adds a diode to the KPA3 12V sense circuit to

Re: [Elecraft] K3 power down problem

2009-11-10 Thread Brendan Minish
I had one of my K3's develop a similar fault. In my case it was a failure of Q2 (FDS6375, RF board) which is the power switching FET. elecraft spares sent me out one and I had it in a few days An IRF7416QPBF might be a junkbox replacement if you are very impatient! it's pretty easy to get at