Brother S-7200B Service Manual page 60

10. CONTROL BOX AND MOTOR
F2 5A Solenoid power supply fuse (5A)
Fuses
F1 5A Illumination lamp power supply fuse (5A)
DIP switch DSW
LD2
LED indicators
LD1
Connector CN6
1 +5V
2 IN
3 SPSP
4 STOP
5 ND
6 NU
7 ENG
8 STBY
9 S0V
10 ENC-A
11 ENC-B
(*) Open collector output
Connector CN9
1 +5V
2 UNTH_LED
3 UNTH_SW
4 S0V
5 IN1
6 IN2
Connector CN11
1 +5V
2 LED1
3 LED2
4 LEFT_UP_SW
5 RIGHT_UP_SW
6 RESET_SW
7 S0V
53
DSW
Red LED
Green LED
Signal name
DC +5V
Variable signal input
Speed command input
Operation prevention input
Needle down signal output (*)
Needle up signal output (*)
Machine shaft sync signal (*)
Operation signal output (*)
0V (GND)
A phase signal output (*)
B phase signal output (*)
Signal name
DC +5V
Stitch counter LED signal output
Stitch counter switch input signal
0V (GND)
Variable input signal 1
Variable input signal 2
Signal name
DC +5V
Option signal output 1
Option signal output 2
Option signal input 1
Option signal input 2
Option signal input 3
0V (GND)
For preventing overcurrent
For function selection
Indicates power supply circuit board problems.
Indicates that the power is on.
For stitch counting
[Not used by the S-7200A]
L level: Operation prevented
L level: Needle down stop position
L level: Needle up stop position
45 pulses/stitch
H level: Operation in progress
Encoder A phase (180 pulses/stitch)
Encoder B phase (180 pulses/stitch)
Stitch counter warning LED
Stitch counter actuator
Sewing speed actuator (high speed)
Sewing speed actuator (medium speed)
Sewing speed actuator (low speed)
S-7200B
Remarks
Remarks
Remarks