Ok, so, good news! After some pondering, I decided to open the thing up. It was actually not that hard to take apart, the official Fxtec instructions for disassembling Pro1/Pro1 X (https://vimeo.com/483552998) were easy to follow.
Note: I did not use a prying tool, as I found it easier to do with my fingers (as the plastic frame is fitted to the metal quite snuggly, I found it hard to get a prying tool in there).
And a word of caution: the black paint on the back of the display chips really easily when removing the 5 screw covers.
Once I had the display frame removed and the ribbon