Brother S-7200A Service Manual page 50

(8)
Fuses
(11)
Terminal board (12)
DIP switch (17)
(4)
LED indicators
(7)
(21) 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
(22) Connector CN9
1 +5V
2 UNTH_LED
3 UNTH_SW
4 S0V
5 IN1
6 IN2
(3) Connector CN11
1 +5V
2 LED1
3 LED2
4 LEFT_UP_SW
5 RIGHT_UP_SW
6 RESET_SW
7 S0V
Solenoid power supply fuse (5A)
Illumination lamp power supply fuse (5A)
Terminal board
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 illumination lamp (6 V)
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-7200A
9. CONTROL BOX AND MOTOR
Remarks
Remarks
Remarks
44