Brother S-7300A Service Manual page 37

List of check items
Item No.
OUT-01 Thread trimming solenoid ON / OFF
Thread wiper solenoid ON / OFF
(Restriction) It will not operate when the needle up signal is OFF.
OUT-02
OUT-03 Presser foot lifting solenoid ON / OFF
Upper shaft slow speed/Stopped
OUT-04 During operation, the actual machine speed is also displayed in the
bottom-right of the screen.
Upper shaft middle speed/Stopped
OUT-05 During operation, the actual machine speed is also displayed in the
bottom-right of the screen.
Upper shaft high speed/Stopped
OUT-06 During operation, the actual machine speed is also displayed in the
bottom-right of the screen.
OUT-07 Feed pulse motor drive
OUT-08 Buzzer ON / OFF
OUT-09 Illumination LED ON / OFF
OUT-10 Upper shaft operation synchronization signal ON / OFF
OUT-11 Option Output (OUT1)
OUT-12 Option Output (OUT2)
OUT-13 Option Output (OUT3)
Panel display
Check details
The disabled buzzer will sound and the message "Return
needle to up position" will appear.
S-7300A
3. FUNCTION SETTINGS
Checking method
Operate the solenoid once while the
treadle is ON.
Move the needle bar to the needle up
signal ON position, and operate the
solenoid once while the treadle is ON.
Operate the solenoid once while the
treadle is ON.
Operate at 220 sti/min while the
treadle is ON.
Set pedal to OFF to stop.
Operate at 2000 sti/min while the
treadle is ON.
Set pedal to OFF to stop.
Operate at 4000 sti/min while the
treadle is ON.
Set pedal to OFF to stop.
Operates at 5 mm stitch pitch in
accordance with the upper shaft angle
while the pulley is being turned by
hand.
Buzzer is ON for 1 second while the
treadle is ON.
Illumination LED illuminates while the
treadle is ON.
ON signal is output while the treadle is
ON.
ON signal is output while the treadle is
ON.
ON signal is output while the treadle is
ON.
ON signal is output while the treadle is
ON.
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