Brother MD-602 Service Manual page 14

For machine solenoid
•12-pin plug terminal
12-pin plug
Thread trimming solenoid
Thread wiping solenoid
Quick reverse solenoid
Quick reverse switch
Option output
Ground
Spare
For standing pedal (option)
9-pin plug
Note:
The puller output is output from the option output during machine operation with the
settings made at shipment from the factory.
Note the following points when connecting to the option output terminals.
a. Connect a solenoid or air valve with a resistance of 10 Ω or greater.
b. The voltage between the terminals should be equivalent to 40 V DC. When con-
necting an air valve, connect a resistor in series so that the rated voltage is ob-
tained.
c. Never short circuit the output terminals.
Note:
If using an automatic presser foot lifter, set the DIP switch SW1-3 on the circuit board to ON. (Refer to "7.5.2 Other DIP
switch functions".)
8
12-pin plug
No.
r·t
u·i
!0 · !1
o·!2
q·w
e
y
•9-pin plug terminal
9-pin plug No.
High-speed switch
Low-speed switch
Thread trimming switch
Presser foot lift switch
+8 V
VSP
0 V
Ground
Spare
MD-602, 612
For presser foot lifter
•6-pin plug terminal
Presser lifter solenoid
40 V power supply
Knee switch
For synchronizer
w
y
e
u
q
i
r
o
t
6-pin plug
6-pin plug No.
q·r
e
w·t
y
Ground
•8-pin plug terminal
8-pin plug
Ground
+5 V
Needle down signal
0 V
NONP
Needle up signal
Encoder
Ground
Approx.
40 V
No.
q
w
e
r
t
y
u
i
Resistor
Air valve