Casio MP-2000 Service Manual page 10

4. Release the screw. Then, remove the upper cover from front side.
5. Release the 2 screws of the Riser card. Then, remove the Riser card
from the mother board.
6. Release the 4 screws of the Aluminum separator. Then, remove the
insulation sheet and Aluminum separator.
Release 4 screws.
Release 2 screws.
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