this might be true for the ones you've pulled apart, but both of the ones which i have taken apart have had several screws that had to be dremel'ed. i have plenty of phillips head screwdrivers (with big enough handles to get a good grip), and had the right size and applied plenty of downward...
it's a puzzle-box, for sure.
and i ended up dremel'ing 3 or 4 of the little screws to put a notch in the top, as they simply would not come out otherwise.
i think there was a specific thread on this particular nastiness some time ago.
the list i posted above was taken from an actual power supply, not from schematics.
i have used that the mouser list to replace the caps in it successfully.
all JP work.
took the PPB board out in order to replace the K1 X/Y relay, but, to my dismay, the pin layout is not the same on the one i ordered - three of the sets of pins are closer together on the one on the board than on the replacement (the Orman one that is referenced in many places on...