Macbeth, coaxial is the right text.
This is one of the inputs. (Coaxial, Optical, Aux 1, Aux 2)
Quarlo Klobrigney, as I said I swapped the Display to my working cinebar ( have two of them).
Therefore I think it can't be the power supply. But I will look, if they are clean.
It's a switched mode power supply...