11
@4
!2
@3
Bobbin winder switch (blue)
LCD
Touch panel
Program (Slave)
Printed circuit board L1
Printed circuit board L2
Printed circuit board L3 (red)
Slide volume
Printed circuit board F
Presser foot lifter sensor
BH sensor
Upper thread sensor
Knee lifter sensor
Power switch
Thread cutter motor
Remaining bobbin thread detecting sensor
Feed motor
Remaining bobbin thread detecting motor (green)
Needle plate detecting sensor
Drop feed detecting sensor (brown)
DC motor
Presser foot lifter motor
Thread tension motor
Zigzag motor
USB
Foot control & Thread cutter switch jack
Phase sensor
Program (Slave)
Lamp relay cable
q
w
e
r
t
y
u
i
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
!9
@0
@1
@2
@3
@4
@5
@6
@7
@8
A
t !0!1 @2 q u @7
i
A
A
@6 !4
@1
@0 @5
!3
!5
!9
!8 !7 !6
y
* Connectors
t
and
!0
,
!1
and
!2
are very similar.
Be sure to position the connector to the correct place.
Connect the connectors to the corresponding connector posts on the
circuit board A (see page 10).
Front cover (rear side)
Machine body
Foot control
connector
Printed circuit
board A
Slide volume
Printed circuit
board F
o