Connecting The Cords - JUKI LK-1900S Series Instruction Manual

3-12. Connecting the cords

DANGER :
To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing
machine, carry out the work after turning OFF the power switch and a lapse of 5 minutes or more.
To prevent accidents caused by unaccustomed work or electric shock, request the electric expert
or engineer of our dealers when adjusting the electrical components.
❷
❶
CN47 White
CN43 Blue
CN42 White
CN54 Red
Yellow
CN53
CN34 Gray
SDC PWB
MAIN PWB
CN44 Black
CN17 White
CN15 White
1) Loosen four setscrews ❷ of control box cover ❶ .
Remove control box cover ❶ .
2) Connect the cords to the respective connectors
on MAIN PWB, SDC PWB. (Fig. 1)
3) Fix the ground wire on position A of the control
box with a screw. (Fig. 2)
White
CN17
4P
White
CN15
9P
White
CN42
6P
Blue
6P
CN43
Black
CN44
4P
White
CN47 2P
Yellow
CN53 3P
Red
CN54
4P
Gray
CN30 30P
Gray
CN34 26P
White
3P
CN40
MAIN PWB
CN40 White
CN30 Gray
SDC PWB
(Fig. 1)
－ －
10
Sewing
machine head
Operation panel
Pedal sensor
A
Shielded
ground wire
(Fig. 2)