Roland VersaCAMM VP-540 Service Notes page 117

Remove the 4 screws as shown in the figure.
3
Disconnect the flexible cables and connector and
4
remove the cables from the Clamps.
Pull out the Chassis to the front side.
5
Disconnect all the cable from the SW Power Supply.
6
SCREW
< Top View >
FLEXIBLE CABLE
CONNECTOR
CHASSIS
3-54
CLAMP
FLEXIBLE CABLE
SCREW