That is weird! I have S/N 0221 and I only have the short wire above with the other wire below. I bought it used so maybe the PO had it up graded?
Kim - K7IM Sent from my iPad > On Mar 10, 2021, at 09:58, Rajiv Dewan <[email protected]> wrote: > > I think you have one of the newer units where Elecraft improved the design > by putting one wire above and another below the PC board. Mine was #309 with > both wires above the PC board. They had arced. > > Raj, N2RD > >> On Mar 10, 2021, at 12:53 PM, Dennis Moore <[email protected]> wrote: >> >> I checked inside my tuner, I only have one green wire instead of two. Serial >> #2120. >> >> I also have the issue of erratic tuning when applying power, adding an >> additional common mode choke helped calm things down. >> >> Dennis NJ6G >> >>> On 3/8/2021 09:07, Rajiv Dewan wrote: >>> I had a similar issue with my KAT500. I opened it up and the problem was >>> obvious: there are two green 12g wire bridges that cross. (You can see them >>> in this image: ([email protected] >>> <https://cdn.shopify.com/s/files/1/2029/4979/products/[email protected]?v=1536760566>. >>> You can see one end of the longer green wire near the big red toroid.) >>> There had been arcing between them. My guess is that they arced at higher >>> power levels. I replaced them with slightly longer wires and bent them to >>> create more clearance. That solved my problem. >>> >>> I recommend taking taking the cover off and taking a look. The problem may >>> be obvious as it was for me. >>> >>> Raj, N2RD >> ______________________________________________________________ >> 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 >> Message delivered to [email protected] > > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
![https://cdn.shopify.com/s/files/1/2029/4979/products/[email protected]?v=1536760566](https://cdn.shopify.com/s/files/1/2029/4979/products/kat500_inside_500_5...@2x.jpg?v=1536760566){kind=link}