Ted, I thought the errata sheet was up to date. We'll look into this tomorrow.
Thanks, Wayne N6KR ---- http://www.elecraft.com > On Feb 26, 2017, at 17:18, Dauer, Edward <eda...@law.du.edu> wrote: > > I went through the same business with my first K2, apparently during the > switch-over of trimmer suppliers. None of the colors matched what they were > supposed to be and the errata sheets didn’t help at all. Don Wilhelm and > Gary Surrency both went out of their way to help me sort it out. > > Although my DVM is theoretically able to measure capacitance, the long leads > make it essentially useless. So when I ordered my second K2, while I was > waiting for it to arrive I put together a very inexpensive capacitance tester > that sold for about $10. It has PCB mounted test points that work with no > leads at all, and the spacing is perfect for these little trimmers. I then > tested what I received in the second K2 kit before mounting them, found that > there were still questions, and once again Elecraft came almost instantly to > my aid. But at least I didn’t have to undo anything, or puzzle about why > something wasn’t working right. > > Sounds as if the K2 trimmer supply is a recurring problem. Using the > capacitance tester before mounting them saved me a great deal of trouble. > Having bought it, I now test EVERY cap before installing. Takes a while, but > it’s reassuring. > > There are lots of inexpensive testers available on the ‘Net. I think this is > the one I bought: http://www.nkcelectronics.com/capacitance-meter-kit.html. > > Ted, KN1CBR > > > ------------------------------ > > Message: 24 > Date: Sun, 26 Feb 2017 23:52:06 +0000 (UTC) > From: Chuck Stover <k4...@yahoo.com> > To: "donw...@embarqmail.com" <donw...@embarqmail.com>, Robert Kasten > <bkas...@octavian.net>, "elecraft@mailman.qth.net" > <elecraft@mailman.qth.net> > Subject: Re: [Elecraft] K2 12m alignment > Message-ID: <1207157025.1459419.1488153126...@mail.yahoo.com> > Content-Type: text/plain; charset=UTF-8 > > Bob, Don, > I just finished up a K2 as well.? The trimmers I got didn't match the > description in either the manual or errata, so I wasn't sure what I was > looking at. > I had to use clip leads from my cap meter and got too much stray stuff > going on to accurately measure min and max. > I talked to Gary in Watsonville.? Here's what we summized.? The larger > bodied yellow trimmers went into c21 and c23.? The remaining 4 smaller bodied > white with red band trimmers went into c32, c34, c44 and c46. > It works.? I get good output on all bands. > Don't know if this helps or not. > Chuck K4QS > > > From: Don Wilhelm <donw...@embarqmail.com> > To: Robert Kasten <bkas...@octavian.net>; elecraft@mailman.qth.net > Sent: Sunday, February 26, 2017 6:10 PM > Subject: Re: [Elecraft] K2 12m alignment > > Bob, > > You have too much capacitance at C32 and C34. > > Contact Elecraft support and ask them to send 2 trimmer caps to replace > C44 and C46.? The ones you have with your kit do not have a small enough > minimum capacitance.? The p/n you need is E540011 and the bodies were > red the last time I saw them. > > The 35 to 70pF range you measured is higher than I would expect.? They > should measure about 20pF to 45pF. > > If you have a similar problem with the maximum power on 18 MHz as well, > ask for replacements for C32 and C34.? The part number is E540002 and > they have yellow bodies. > > See the latest Errata page - download it from the Elecraft website. > Trimmer capacitors have become a problem for Elecraft over the past 6 > months or so.? I believe you have brown body trimmers at C32, C34, C44 > and C46.? Several of those were found not to meet the manufacturer's > specs for capacitance range and were dropped. > > 73, > Don W3FPR > >> On 2/26/2017 5:41 PM, Robert Kasten wrote: >> Finished my K2 in the last few days and really enjoyed the build. It was >> just like old times. >> >> All bands except 12m have aligned OK...but I cannot get any more than .5W >> output on 12m - no matter the C44/46 trimmer cap settings or the power >> setting. And while it not fun, I pulled components C42,C43,C44,C45,C46,C47 >> and C48 and they all showed fine on the cap tester. C32 and C34 are >> adjustable from about 35pf to 70pf. >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to k4...@yahoo.com > > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to n...@elecraft.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
