JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.3 Scanner Unit NKE-2254 (JMA-5322-7/9/6HS)
4.3.4 Motor Control Power Circuit replacement (CBD-1779)
[Required tools]
• A Phillips screwdriver for 4 mm screws
• Tools for removing the cover from the scanner
unit(see Section 4.3.1, page 4-24)
[Replacement procedure]
1) Remove the cover on the left (port) side (see
Section 4.3.1, page 4-24), remove the cables
and screws (three M4 screws) connected to
the motor control power supply board and
remove the metal plate to which the motor
control power supply board is attached.
2) Remove the cables connected to the motor
control power supply board, remove the screws
(four M4 screws), and replace the motor control
power supply board.
Remove the
three screws.
3) After replacing the motor control power supply
board, follow the disassembly procedure in the
reverse order.
Do not forget to tighten the screws and connect the
cables.
[Check points]
Remove the
eight screws.
1) Turn on the radar power supply. After the
countdown is completed, start emission and check that the radar image appears without
error. Check that you do not hear any unusual sound when the motor starts, rotates, and
stops.
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