JRC JMR-92 Series Field Service Manual page 472

Step 2 Remove the motor driver circuit board.
Remove all the connectors that are connected to the motor driver. Remove the four screws that
hold the motor driver unit.
ドライバ回路部
Motor driver circuit
Step 3 Check the setting of the motor driver circuit.
The motor driver applies the 100 V/220 V common circuit. Before commencing replacement, set
the power supply of the driver to be replaced according to the power supply specification.
Motor Driver Circuit CBD-1949
CBD-1949 H-7EPRD0038
Chapter 4 Replacement procedure
NKE-2632
Port side
左舷側
1-2:100V 2-3:220V
固定Ｍ4 ネジ
Remove the four
screws (M4)
（4 箇所）
Motor Driver Circuit CBD-1949
JP1 SETTING
1-2 short-circuit
2-3 short-circuit
3
JP1
1
4-252
Description
100 VAC
220 VAC