Please see the following connector connection diagram for the printed circuit boards A and F.
@2
@1
@0
!9
!8
!7
!6
!5
q Presser Foot Lifter Sensor (Black)
w Presser Foot P Sensor (Blue)
e BH Sensor (White)
r Needle Threader Sensor (Black)
t U/D Feed Dog (Black)
y Needle Threader Motor (Brown)
u Needle Thread Tension Motor (Gray)
i Zigzag Width Stepping Motor (Black)
o Feed Motor (Red)
!0 Remaining Bobbin Thread Solenoid (Blue)
! 1 X-Motor (Blue)
Note: For attaching the front cover follow the procedure for removing the front cover in reverse.
Connector Connection Diagram
q
!4
!3
!2
w
e
t
y
!0
o
!1
!2 Y-Motor (White)
!3 Face Cover Lamp (White)
!4 Remaining Bobbin Thread Sensor (Blue)
!5 Arm Lamp (Black)
!6 Switching Regulator (White)
!7 DC Motor (White)
!8 Foot Controller (White)
!9 Upper Shaft Sensor (White)
@0 Bobbin Winding Sensor (Black)
@1 Needle Threader Upper Switch (Blue)
@2 Needle Threader Lower Switch (Brown)
22
r
u
i