It is likely a shorted C102. Please see: http://elecraft.365791.n2.nabble.com/K3S-LCD-backlight-is-on-but-no-segments-are-lit-td7633025.html
I humbly suggest an ECO to change that to a 16V cap. 73 de AI6KG -- Christopher. On Sat, Apr 14, 2018 at 4:29 AM, Jim Spears <n...@cox.net> wrote: > I have a recently assembled very basic K3S which suddenly developed, > overnight, an issue with the display. I turned it on this morning and the > display was completely blank, fully lit as in not dark. It stayed blank > for > a bit so I turned it off. When I turned it back on, some pixels were dark > but it was mostly blank. I cycled power again and it came back to normal > state. > > > > This is of course, Saturday, and home base is not available. Has anyone > seen this before and can point me to something I can do while waiting for > home base to open Monday. > > > > The radio has the following options: K3EXREF, K144XV and the module tying > the K144XV to the K3EXREF controlled synthesizer. > > > > A second problem has also surfaced, the blinking asterisk indicating that a > suitable signal from the external 10 MHz source is not making it into the > system. The 10 MHz source is OK as it works fine with another K3. There > must be a connection problem inside the radio. Unless there is something I > need to do to enable it that I missed. > > > > Again, this is a 10 watt K3S. > > > > Jim/N1NK > > > > ______________________________________________________________ > 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 c...@murgatroid.com > ______________________________________________________________ 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