4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
Page 7 of 14
Piano Top Cover Removal:
1. Place the clear plastic decal cover over the units top to prevent scratches.
2. On a flat, clean, and soft work space, with a #1 Philips screw driver, remove the
4 #4-40 flat head screws (circles) shown below left.
3. Referencing the back of the unit, tip the unit on its left side with the AC inlet
module nearest the work surface as shown below right.
4. With a small screw driver push the top off by pushing the screw driver through
the 4 holes on the bottom that the screws were just removed from. Try and push
equal amounts on each hole to slide the top out uniformly.
5. Once the top has been pushed out enough it will fall to the left as shown below.
6. Disconnect the ground wire from the distribution block with a pair of pliers.
Replacing the Fuses:
1. To change the fuses on the power supply board, lift off the fuse cover with the
fuse.
2. Replace with a 5x20mm, 1amp slow blow, 250V fuse. Schurter part number
0034.3117 or equivalent.
Perfect Wave Transport Service Manual
