Circuit Board-A - Janome JP720 Servicing Manual

Replacing the Electronic Components

Circuit board-A

To remove:
1. Remove the front cover. (See pages 6 – 7)
2. Pull out connectors from the circuit board-A.
q
3. Loosen 7 screws and remove the circuit board-A.
To attach:
1. Follow the above procedures in reverse.
NOTE:
Do not disconnect the connectors by pulling on cord.
To disconnect, grasp the connector, not the cord.
Slide volume
Bobbin winder switch
Slide volume Lever
Board (F)
q
q
Machine socket
q
q
q
q
q
Stepping motor (Feed)
Switching regulator
BH sensor
Lamp
Stepping motor (Zigzag)
Driving motor
Upper shaft sensor
24