60
PRINTED CIRCUIT BOARD ‘A’
DIAGRAM
BOBBIN WINDER SWITCH
PRINTED CIRCUIT BOARD L2
PRINTED CIRCUIT BOARD L1
PRINTED CIRCUIT BOARD L2
(FACE PLATE LAMP)
BH SENSOR
NEEDLE PLATE MICRO
SWITCH
FOOT CONTROLLER
FEED DOG DROP STEP
MOTOR
PRINTED CIRCUIT BOARD F
SLIDE VOLUME (SPEED)
ZIGZAG STEP MOTOR
TENSION UNIT SOLENOID
POWER SUPPLY UNIT
-
yellow, orange, red and
brown
4 conductor with
white plug
DC MOTOR
UPPER SHAFT SENSOR
THREAD CUTTER MOTOR
FEED MOTOR
NOT USED (PROGRAM)
PRESSER FOOT LIFTER
MICRO SWITCH
blue, orange, red, brown
4 conductor w/white plug
See page 8 for wire and connector colors