I've heard of that happening, Steve Collins was the first that I knew of. The one in the '98 I had a few years ago did the same thing, but I seem to recall if I got on the floor and looked up at it on an extreme angle, I could faintly see some type on the screen, enough to set the station anyway. The radio worked fine otherwise and the trailer I think had very little use, so I don't think it was because it was used a lot.
2007 T-286SR Cherry/Granola, #6236, original owner, current mileage: 9467.8 (as of 5/26/19)
1997 T-2653 Blue Denim, #5471
1979 12 1/2' MC, Beige & Avocado, #4639
Past Sunlines: '97 T-2653 #5089, '94 T-2251, '86 T-1550, '94 T-2363, '98 T-270SR