Baby Lock BLDY, Руководство по обслуживанию, Страница: 26 / 311

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Outline of Mechanism
Outline of Mechanism Outline of Mechanism
Operation of other electronic components
Presser switch. . . . . . . . . . . . . . . . . . . . . . . . This switch detects the vertical position of the presser foot lifter.
BW (bobbin winder) switch . . . . . . . . . . . . . This switch detects whether the bobbin is set for winding or not,
when the bobbin thread is wound.
Needle plate switch . . . . . . . . . . . . . . . . . . . This switch detects normal needle plate or straight stitch needle
plate.
Foot controller jack . . . . . . . . . . . . . . . . . . . This is the jack for plugging in the foot controller in use.
LED lamp PCB assy. . . . . . . . . . . . . . . . . . . White LED lamps for illuminating the work space.
Up thread sensor PCB assy . . . . . . . . . . . . . Detects the presence or absence of the upper thread and whether
it is cut or not.
Initial sensor PCB assy. . . . . . . . . . . . . . . . . Detects the original position of each pulse motor.
Photo diode PCB assy,
photo transistor PCB assy . . . . . . . . . . . . . . This assy detects the bobbin thread is low.
Laser drive PCB assy . . . . . . . . . . . . . . . . . . This PCB assy irradiates line focused laser for the laser guide
line marker and detects initial position of the laser module pulse
motor.
UWR (ultrasonic wave receiving) PCB assy . . This PCB assy receives ultrasonic wave from the sensor pen.
UW (sensor) pen connector PCB assy . . . . . This PCB assy is for connecting the sensor pen to the machine.
Extension I/F PCB assy . . . . . . . . . . . . . . . . This PCB assy is for connecting extensions.
LED pointer drive PCB assy
(in embroidery foot "W+" with LED pointer). . This PCB assy creates point focused LED light for embroidery
pointer.
DF (dual feed) PCB assy (in dual feed foot). . . This PCB assy controls pulse motor on dual feed and detects
vertical motion of the dual feed.
UW (sensor) pen connector PCB assy
(in sensor pen) . . . . . . . . . . . . . . . . . . . . . . . This PCB assy sends ultrasonic wave to detect target position.
Camera module . . . . . . . . . . . . . . . . . . . . . . Read the fabric as image information to the machine.
Spool stand LED . . . . . . . . . . . . . . . . . . . . . Its lighting status and color indicate the machine status and
thread color for embroidering.