Thanks Don and Joel, who both suggested bad solder joints. I touched up all the LCD and U1 solder joints on the Front Panel and the problem was resolved!
Mark W8EWH On Sun, Feb 7, 2021 at 1:49 PM Don Wilhelm <donw...@embarqmail.com> wrote: > Mark, > > I think you will find that the socket pins of Front Panel U1 are not > well soldered. > > 73, > Don W3FPR > > On 2/7/2021 1:18 PM, Mark Yergin wrote: > > My K2 (S/N 7867) which I built has always had an intermittent problem > with > > the bottom horizontal row of LCD elements. Often they are missing until > I > > slap the top of the radio. Then they will come back on for a while. I'd > > like a more permanent solution. Looking for some ideas as to where to > > focus my investigation. Do I have a short between the front panel and > > control board? A loose connection somewhere? Was thinking maybe this > has > > been seen before and someone else's solution could help point me in the > > right direction. I'd like to try to fix it myself before I send it out > for > > repair. Thanks. > ______________________________________________________________ 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