Electrical Parts Connection
a. CPU Board
b. Power Circuit Board
c. Transformer
d. Terminal Box Assy.
e. Motor
f. F Step Motor
g. Thread Cutter Assy.
h. Z Step Motor
i. Tension Release step Motor (CN8)
j. LED Board Assy.
k. Thread Check Spring Cord (CN5)
l. BH Switch Assy.
m. Presser Foot Switch Assy. (CN4)
n. Bobbin Winder Switch
o. Circuit Boards
p. LCD Assy.
q. Contrast Control Board Assy.
r. Display Board Assy.
s. Controller Jack Assy.
i
g
(CN14)
(CN13)
(CN12)
(CN9)
(CN6)
(CN3)
(CN1)
(CN11)
(CN7)
m
l
k
j
h
e
p
o
f
d
Singer Quantum Stylist
q
n
a
b
r
v
s
c
TM
9960
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