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Printed circuit board L1
(Underside of the arm)
Printed circuit board A connection
Replacing electronic components
Printed circuit board A
NOTE:
Do not disconnect the connectors by pulling on cord.
To disconnect the connectors, grasp the connector, not
the cord.
To remove:
1. Remove the front cover.
2. Grasp the connector directly with your fingers and pull.
Do not pull the lead wire, as this may damage the
contact sleeve inside of the connector.
Remove the setscrews and printed circuit board A.
To attach:
1. Follow the above procedure in reverse.
Be sure that the connector post on the printed circuit
board to which it is connected.
Position the connector correctly, then push it straight
down until it locks in place.
Printed circuit board L2 (Underside of the function buttons)
* Plug the black connector
Touch panel
Bobbin winder
switch
Presser foot
lifter support lift
Printed circuit board L2 (Face cover lamp)
*Plug the blue connector
BH sensor
Feed motor
Thread cutter
motor
Solenoid 1
Thread tension
release
Phase sensor
Printed circuit
board F
Zigzag steping motor
DC motor
Program
Needle plate sensor switch
Drop feed switch
Foot control
Power switch
Setscrew
Setscrews
NOTE:
The colors of the connector posts for printed circuit board L2 do not match with the colors of the connectors to be
inserted. Be careful when you insert the connectors into the connector posts.
Summary of Contents for Skyline S5
Page 1: ...SERVICE MANUAL SKYLINE S5...