JRC JMR-92 Series Field Service Manual page 465

Step 2 Replace the radar processor unit.
The radar processor unit is installed on the starboard side. Remove all the connectors that are
connected to the radar processor unit. Remove the four screws that are holding the radar
processor unit and replace it. After completing the replacement, connect the radar processor unit
following the disassembly procedure in the reverse order and close the cover. Finally, set the
safety switch to On and check the operation.
Radar processor
信号処理部
Starboard side
右舷側
Step 3 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. Check that the radar image appears without error.
This completes radar processor unit replacement.
Remove the four
4-245
Ｍ4 ねじ
screws (M4)
（4 箇所）外す
Chapter 4 Replacement procedure