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Brother S-7200B Service Manual page 60

Single needle direct drive straight lock stitcher with thread trimmer
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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

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