Tom, The "Alternate AF Gain Wiring" change is present on the board wiring of all K2s with a SN greater than 3000.
73, Don W3FPR [email protected] wrote: > Don, > > Mine is SN 5848 (I think), so does that mean the "alternate wiring > mod" does not apply? I am sure this pot was not like this from the > original build. I also suspected that it may be pointless to try and > clean it. I will replace the two. > > If this is something that will happen after a couple years, maybe I > should buy a few of them (or look for a higher quality/cost > replacement part). > > Thanks and 73, > > Tom, KG3V > > > On Nov 10, 2009 3:27am, Don Wilhelm <[email protected]> wrote: > > Tom, > > > > > > > > If the K2 SN is below SN 3000, then I would suggest the Alternate AF > Gain wiring mod be done. If the pot still is noisy, then replace the pot. > > > > For SN above 3000, just replace the pot. The use of cleaners is > "iffy" IMHO - if the pot is worn, no cleaner in the world will help it > on a permanent basis - any improvement will be short lived. Besides, > it is difficult to ge any cleaner inside the pots used in the K2. > > > > > > > > 73, > > > > Don W3FPR > > > > > > > > [email protected] wrote: > > > > > > I just noticed my K2 has a problem with the AF Gain control. It is > "scratchy" in the area where I use it most. I see that the RIT control > (rarely used) also has some linearity issues. The rig is about three > years old. I do not use it on a daily basis, but I do use it in > contests , where it gets stressed pretty well. > > > > > > > > I must either clean or replace the AF Gain control ASAP, and I see > it will be rather hard to get at. Can anyone tell me if these > controls can be accessed to clean them, or should I just order > replacement parts? It would help to know before I tear the rig apart. > > > > > > > > Thanks and 73, > > > > > > > > Tom, KG3V > > > > ______________________________________________________________ > > > > 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 incoming message. > > > > Checked by AVG - www.avg.com Version: 9.0.698 / Virus Database: > 270.14.56/2491 - Release Date: 11/09/09 02:39:00 > > > > > > > > > > > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.698 / Virus Database: 270.14.56/2491 - Release Date: 11/09/09 > 02:39:00 > > ______________________________________________________________ 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
