Janome JP720 - Replacing Electronic Components; Circuit Board-A Replacement

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Bobbin winder switch
Board (F)
Machine socket
Driving motor
Switching regulator
Stepping motor (Zigzag)
Stepping motor (Feed)
Upper shaft sensor
Lamp
BH sensor
Slidevolume
SlidevolumeLever
Circuit board-A
To remove:
1. Remove the front cover. (See pages 6 – 7)
2. Pull out connectors from the circuit board-A.
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.
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Replacing the Electronic Components