JRC JMR-92 Series Field Service Manual page 427

Step 4 Replace the brake circuit.
Disconnect 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 then replace the brake circuit
(CFA-252: Resistor with cable). After replacing the brake circuit, reassemble the unit following the
disassembly procedure in the reverse order. Do not forget to tighten the bolts or screws, and
make sure that the cables are connected.
Step 5 Operation check
After completing the replacement work, turn On the safety switch and check operation by
following the procedure below.
(1) Turn On the Display unit. After the countdown is completed, start transmission and check
that the radar image appears without error.
This completes brake circuit replacement.
Remove the
two screws.
CFA-252
J1503
CBD-1779
4-207 Chapter 4 Replacement procedure