I guess it must be direct and long exposure to the sun.
If I check the silver end of the BL7000, the "Bang & Olufsen" sign is without any color, shouldn't this be engraved and the letters painted in black?
If so, the cleaning theory could be one possible reason....
I asked the seller for feedback regarding this issue, lets see what he replies.
Just for my understanding, do you know if the glass panel is a separate part that can be replaced or is it one piece including the electronics as well?
As always, thanks for your answers upfront
Stephan