JRC JMR-92 Series Field Service Manual page 388

Step 2 Remove the plate from the Motor driver circuit.
Remove the cover on the left (port) side, Remove the screws (three M4 screws) and cables
connected to the motor driver circuit board. Remove the metal plate to which motor driver circuit
board and relay filter circuit board are attached..
Step 3 Replace the brake circuit.
Remove the cable that is connected to J1503 of the Motor driver circuit (CBD-1779). Remove
the two screws (M3) that are holding the resistor and replace the brake circuit (CFA-257: Resistor
with cable). After replacing the brake, reassemble the unit following the deassembly procedure in
the reverse order. Do not forget to tighten the bolts or screws, and make sure that the cables are
connected.
Chapter 4 Replacement procedure
Remove the
three screws.
Remove the
two screws.
J1503
CBD-1779
4-168
CFA-257