JRC JMR-92 Series Field Service Manual page 364

Step 2 Remove the metal plate of the motor driver circuit board and relay
filter circuit board
Remove the cover on the left (port) side, remove the cable connecting to the motor driver circuit
board and relay filter circuit board and the screw (three M4 screws) securing the cable, and
remove the metal plate to which the motor driver circuit board and relay filter circuit board is
attached.
Chapter 4 Replacement procedure
Loosen the hexagonal bolts
Example: Starboard side cover removal
Remove the
three screws.
Remove the metal plate of the
motor driver circuit board and
the relay filter circuit board
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