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12. OPTIONAL CORD
(1) Relay cord A asm. for the standing sewing machine
(Part No. M9701351AA0)
1) Wiring diagram of variable pedal PK-70 and -71
o Power section
A
which is separated by respective signals with different colors comes out from the relay
cord A asm. for the standing sewing machine. Connect switches and variable resistor for speed in
accordance with the wiring diagram.
o Insert to the connector (CN32 : 12P) of standing sewing machine pedal in the PSC box and use it.
oTighten the cord of the PK70 together with other cords with cable clip band attached to the side of the
box after passing it through the cable clamp.
(Caution) Be sure to turn OFF the power before connecting the connector.
Used by variable voltage
between 1 to 2V
(Increasing / decreasing
speed)
Neutral position is 1V ±
0.05V
(Between 3 to 4)
21
12 11
Approx. 1.5m
A
CN32
1
2
3
4
5
6
7
8
9
10
11
12
Brown
Orange
Yellow
Green
Blue
Purple
Gray
White
Light blue
Pink
Black
5V
Variable resistor
for speed
S GND
Switch for
lifting presser foot
S GND
Switch for thread
trimming
S GND
Switch for
high-speed
S GND
Switch for
low-speed
S GND
1
VR (1k
Ω)
2
3
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