10-3. Control circuit board
Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before opening the face plate of the control box. Touching areas where high voltages are present can result in
<Name and function of each part>
Head detector unit connector
Solenoid-type presser lifter connector
Sewing machine connector
Operation panel connector
Control power supply connector
Standing operation connector
Option connector 1
Option connector 2
Option connector 3
Cooling fan power supply connector
Connect to sewing machine connectors.
Connect to power supply circuit board connectors.
Connect to transformer connectors.
Connect to treadle unit connector.
Connect to plug (sold separately) for standing operation
Connect to solenoid for puller or other device.
Connect to sewing speed actuator.
For input/output signals used by external devices
Connect to stitch counter actuator.
Only used for three-phase high-voltage specifications.
Connect to shorted connector when not using three-phase
10. CONTROL BOX AND MOTOR