Circuit Board-A - Janome NH40 Service Manual

REPLACING PRINTED CIRCUIT BOARD A
TO REMOVE:
1. Remove the front cover (see pages 7).
2. Pull out connectors from the circuit board-A.
3. Remove 6 setscrews and remove the circuit board-A.
TO INSTALL:
4. Follow the above procedures in reverse.
NOTE:
Do not disconnect the connectors by pulling on cord.
To disconnect, grasp the connector, not the cord.
Setscrew
Setscrew
Setscrew
Setscrew
Setscrew
Setscrew

Circuit board-A

For factory use only
Upper shaft sensor
Stitch width motor
Buttonhole sensor
Bobbin winder switch
Stitch length motor
printed circuit board (L)
Controller
PRINTED CIRCUIT BOARD A
Switching regulator Driving motor
26