JRC JMR-92 Series Field Service Manual page 441

Step 2 Replace the power supply/interface circuit.
The power supply/interface circuit is installed on the starboard side. Remove all the connectors
that are connected to the power supply/interface circuit. Remove the five screws that are holding
the power supply/interface circuit and replace it. Connect the power supply/interface circuit
following the disassembly procedure in the reverse order. Finally, set the safety switch to On and
check the operation.
Power supply /
電源 IF 回路
interface circuit
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. Start transmission and check that the radar image appears
without error.
This completes the power supply/interface circuit. replacement.
固定ネジ
Remove five
screws
（5 箇所）
4-221 Chapter 4 Replacement procedure