Don, I did both of these checks as per your recommendation, all readings came back normal for both VCO freq and voltage.
Marc W1RSC On Wed, 10 Nov 2004 08:11:17 -0500, W3FPR - Don Wilhelm <[EMAIL PROTECTED]> wrote: > Marc, > > There is nothing in the bandpass or lowpass filters that would cause good > behavior below the 10 mHz band and bad performance above that. > > I suggest that one of the few things that could cause such behavior is the > VCO. Use CAL FCTR with the probe in TP1 and check the VCO frequency on > those bands. The frequencies should be close to those listed in the VCO > Table of the K2 Schematic Key (appendix B of the manual). Also, build the > RF Probe and check the VCO voltage as indicated in page 10 of the > Troubleshooting section (Appendix E). > > 73, > Don W3FPR > > > ----- Original Message ----- > From: "Marc Glade" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Wednesday, November 10, 2004 1:23 AM > Subject: [Elecraft] K2: No recieve/power out on 20M thru 10M > > >I am the proud owner of K2 #4360. When I first put the unit together > > everything checked out smoothly and there were no issues. I have since > > added the KSB2, KIO2, KAT2, K160RX, KNB2, K60XV, and KAF2. No issues > > appeared to arise after adding the modules. I had to set the K2 aside > > for a month due to other commitments and upon returning to it about a > > month ago I noticed I had no power out on any band. A quick check and > > replacement of R50 solved this. Except now I noticed that on 20M thru > > 10M with a slight exception on 15M I still had no power out and also > > that even with max AF gain the signal from a connected N-gen was > > barely perceptible. 15M is a little different in that I can get a max > > power out of 1.5W on that band and receive is also a little better but > > not by much. On 160M thru 30M the rig functions perfectly fine. I have > > tried re-aligning the bandpass filters multiple times to see if that > > was were the problem was but could not resolve the issue. I have spent > > hours looking over the rf board with a magnifying glass and a dmm > > trying to find a fault or bad solder joint but haven't found anything. > > My knowledge in this area is limited and I feel like I've run into a > > brick wall with this issue. If there is anyone that has any > > suggestions I eagerly await them. > > > > Thank You, > > Marc W1RSC > > K2 #4360 > > _______________________________________________ > > Elecraft mailing list > > Post to: [email protected] > > You must be a subscriber to post to the list. > > Subscriber Info (Addr. Change, sub, unsub etc.): > > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > > Elecraft web page: http://www.elecraft.com > > > > _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
