Greetings!

Well, at least the audio and controls work. As to removing the face, it is a 2.5mm hex. If you did not have a physical shock, though, the display tube is likely to be in tact. Which would only leave fuses / power path. I know there is a way with a meter to check the power at test points on the display board. But I don't remember what those are at the moment. Looking...