Tom, You cite my name in your post, but I have absolutely no idea of what you refer. I built my K1 serial 175 in November 2000 and I experienced NO problems start to finish.
Quote the posting to which you refer, including its date. Mike / KK5F -----Original Message----- >From: Tom Johnson <[email protected]> >Sent: Mar 23, 2019 9:03 PM > >I have exactly Mike Morrow's problem, and wonder if he ever got it resolved. >Mike, if you are still around I'd like to hear what your resolution was. > >I am awaiting arrival of an RF Probe kit so I can do signal testing to >attempt to trace down my problem. In the meantime I have looked over my >board to the point it's invading my dreams, and I do not see any visible >problem with the installation of any of the parts, with special attention >to: Q9, Q1, R11, R12, L1, C2. > >I did see that I had not firmly seated U1, and corrected that: I was hoping >that would do the trick, but it did not - still get the E42 code. > >It just seems to me that as everything tested out fine up until the >installation of the L1 Toroid and the C2 capacitor (I'm using 68 pF disc for >the 80 kHz range), that the issue should be centered there. I've confirmed >the 33 turns on the toroid, and fiddled with the it's placement. I'm >wondering if the winding direction makes a difference in the functioning of >L1 - there is no picture of it in the manual, only a reference back to >previous toroids, and I have wound it to match them. I've also confirmed >continuity of the windings on L1. > >Lastly, I will reveal my testing ignorance here by mentioning my multimeter >does measure frequency, but I am not sure if that applies in this case: ie, >would that function as an RF Probe if I understood how to use it? > >I purchased my K1 18 years ago directly from Eric Schwartz when Elecraft was >still quite young and I was active in the Santa Cruz County Amateur Radio >Club. It is great to see how the company has grown and prospered! It wasn't >until settling into retirement that I mustered up the courage to tackle >building this project. > >If anyone has any theories on the K1 VFO failure issue other than those >already offered, please clue me in. > >73, >Tom Johnson >KQ7TJ (formerly KQ6DV) ______________________________________________________________ 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
