[rescue] Longshot -- DG schematics

[James]

>    The PSU I have blows the 10A fuse in the back of the machine with
> enough force to plate the inside of the glass.  The problem doesn't
> seem to be on the primary side (it's a switcher) as most commonly-
> failling components ohm out OK.  So, it's prints or bust!

If the PS has a rectumfrier early in the primary side I'd replace it. It
might ohm-out good but fail at rated voltage. Same goes for any MOV's (which
you can just de-solder and remove for now). This is the extent of my
switchmode ps troubleshooting skills (other than replacing the regulator
IC).