Studio Spot 575 Completely Dead

Hello all, quick question. I have a studio spot 575 that has no life whatsoever. Obviously the first thing to look at is the fuses on the power supply board. I have never taken one of these fixtures apart before (n00b) so before i go to town on this thing with a screw driver and put myself in a hole, what is the best way to get to these fuses, from the top where the head is, or on the base? I just need a little explanation on how to do maintenance on these because ive come into a position where i have 20 of them and i would like to the best way to get inside without making a giant mess of things. Thank you!
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