Janome 4300QDC - Replacing the Electronic Components; Circuit Board-A Connection

17
CIRCUIT BOARD-A CONNECTION
NOTE:
Do not disconnect the connectors by pulling on cord.
To disconnect, grasp the connector, not the cord.
REPLACING THE ELECTRONIC COMPONENTS
Printed circuit board A
Printed circuit board F
Printed circuit board L2
q
Printed circuit board F (white)
w
Printed circuit board L2 (White)
e
Program (Black)
r
Bobbin winding switch (Blue)
t
Thread cutter motor (white)
y
Touch panel (White)
u
Feed motor (White)
i
Printed circuit board P (black)
o
Switching regulator (BLACK)
!0 Power switch (WHITE)
!1
DC Motor (white)
!2
Stitch width motor (green)
!3
Solenoid (thread tension
release control) (Black)
!4
Micro switch (presser foot
lifter sensor) (green)
!5
Printed circuit board E1 (BH
sensor) (RED)
q
w
r
e
t
y
u
i
o
!0
!1
!2
!3
!4
!5