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6.To Replace the Printed Circuit Board UD
Cord binder
Printed circuit board A
Connector
Cord guide
Setscrew B
Printed circuit board UD
Thread cutter button unit
To remove:
z
Remove the top cover, belt cover and base.
x
Remove the cord binder below the handwheel.
c
Disconnect the connector of the thread cutter from the
printed circuit board A.
Remove the setscrew A and cord guide.
v
Remove the setscrew B and the thread cutter button
unit.
Replace the printed circuit board UD.
To attach:
Follow the procedure above in reverse.
Setscrew A
