JRC JMR-92 Series Field Service Manual page 402

Step 4 Replace the Motor driver circuit.
Remove the cables and screws (eight M4 screws) connected to the Motor driver circuit, and
then replace it.
After having replaced the Motor driver circuit, reassemble the unit by 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, close the cover, 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 Motor driver circuit replacement.
Chapter 4 Replacement procedure
Remove the eight
screws (M4).
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