Other Electronic Component Functions - Brother PC8200 SUPER GALAXIE 2000 Service Manual

8.

OTHER ELECTRONIC COMPONENT FUNCTIONS

Start/stop switch.................................. used to start and stop (SS) the machine. If you want to start sewing at low
Backstitch switch ................................ used for backstitching and lockstitching. Backstitching is performed at low
Needle position (UP/DOWN) switch ... used to change the needle position either up or down.
Automatic thread cutter switch............ used to cut the thread automatically. When you press this switch, the machine
Touch panel ........................................ used to select pattern and input test mode number required for sewing by
Buttonhole stitch switch ...................... used to detect the edges of the buttonhole stitch by means of the buttonhole
Buttonhole stitch lever switch ............. used to detect whether the buttonhole stitch lever is raised or lowered.
Rotation sensor................................... detects the drive timing of the embroidery frame drive pulse motor and the
Speed sensor...................................... used to detect the rotation speed of the main motor.
Bobbin winder switch .......................... used to detect whether the bobbin winder has been set when winding the lower
Junction for foot controller .................. when using the foot controller, connect it to this terminal.
Transformer ........................................ used for driving the pulse motors and solenoids, to illuminate the lamps and to
Lamp ................................................... is 12V 5W.
speed, keep this switch depressed and start sewing.
speed in the reverse direction while the switch is pressed. For lockstitching,
three stitches are made at the current needle position and then sewing stops.
will automatically cut the thread, regardless of the needle position, and stop
with the needle at its upper position.
simply touching the display on the panel. This simplifies the operation for
selecting the desired pattern and number.
stitch presser foot and lever.
tension release solenoid and detects the vertical position of the needle. Also
detects the turning angle of the upper shaft by means of a photointerruptor and
shutter installed on the upper shaft.
detects the operating speed of the main motor by means of a photointerruptor
and shutter installed on the upper shaft.
thread.
supply power to the electronic circuitry.
-7-