Printed Circuit Board A - ELNA eXcellence 780 Service Manual

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