Following with interest. All my older TS2000s suffer this issue also. Very similar monochrome displays. Seems the polarizing filter layer in the display sandwich fades with heat. There is a tedious process to replace the filter. Curt KU8L
On Fri, Nov 28, 2025, 5:52 PM Geoffrey Way via Elecraft < [email protected]> wrote: > Greetings, > > I've been a K3S (s/n 10305) owner for a good while, and been VERY happy > with it. > > I've finally encountered my first problem, involving the contrast of the > display. > > I've reached a point where Menu items LCD ADJ is at 100, and LCD BRT is > at 2 in order to be able to show sufficient contrast to comfortably read > the display. Dialing LCD ADJ to 50 results in a pretty much blank > display, which was not the case when the rig was new. The rig NEVER gets > any direct sunlight on its face. There is some VERY subdued ambient > daylight in the shack, but nothing that should deteriorate a > light-sensitive surface. > > My habit in station layout is to put the rig to my left, which still > allows readability, but if I am dead-center as I view the display, > everything is almost invisible at the 100/2 combination. Looking down > from above and from the left also gives better contrast, but something > seems to be drifting out of spec., and I'm not sure if others have also > had this problem already. > > I've tried searching through my archive of the reflector, but haven't > seen any reference to this problem yet. My general habit originally with > long-term use of the rig was to keep it on continuously, until this > problem showed up. So now I power off when I'm not using the rig. I'm > hoping it's just something adjustable that has drifted, and needs a tweak. > > I'm handy with a multimeter, if an expert has suggestions of things to > try checking voltage and resistance-wise. > > Let the comments begin... > > -KA1IOR > > ______________________________________________________________ > 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]
