I think the CRT probably is probably already discharged at this point, as it is no longer really connected to the analog board. It is good to be cautious around CRTs because they are very delicate, but I think the main risk is probably not there at this point. Of course, it wouldn't hurt to go through the discharge procedure regardless of this. There are lots of good tutorials online that can help with this as well.
As I said before, I think that there is a very good chance that the computer could still be repaired. Otherwise, there are lots of useful spare parts inside that I'm su
also im not sure what state its in. this was my brothers machine and while i dont remember him ever taking it apart someone obviously has. the machine did appear to boot when i tried to turn it on there was just no picture so maybe its fine.