MPS2 - Orange label power supply repair.
Power Supply has failed and RIFA caps have literally exploded.
Solution, replace all 4 RIFA caps.
0.22uF x 1
0.033uF x 1
4700pF x 2
Power supply is held together by approximately 12 small self tapping screws. It is
possible to do all 4 RIFA caps without disconnecting any wiring inside the power
Check fuses while you’re there.
If you can’t get RIFA caps? Other members’ have used mains XY caps of a similar rating
MPS manual here