Emu XL-7 & MP-7 User's Group

Do you own a voltmeter? Using one you should be able to check the supply
to figure out if that's the problem or not. You can get to the supply by
removing the 8 screws on the bottom black section of the case. I am
pretty sure the power supply has a label on it which lets you know what
voltage should be on each of its output's. If not let me know and I can
measure my supply.

 

Note that the fuse is internal to the power supply. If it is blown be
sure to take a look for sign of other problems since it's pretty
uncommon for fuses to blow for no real reason.