21
PRINTED CIRCUIT BOARD F (BLACK)
ZIGZAG STEPPING MOTOR (WHITE)
M LINE SENSOR (RED)
DC MOTOR (WHITE)
FOOT CONTROL (WHITE)
TOUCH PANEL (WHITE)
BOBBIN WINDER SPINDLE (BLUE)
AUTO THREAD CUTTER
MOTOR (WHITE)
PHASE SENSOR (BLACK)
PRINTED
CIRCUIT
BOARD A
SOLENOID 1 THREAD TENSION
RELEASE (WHITE)
SLIDE VOLUME (WHITE)
PRINTED CIRCUIT BOARD L1 (BLUE)
PRINTED CIRCUIT BOARD L2
RIGH-SIDE LAMP (WHITE)
FEED MOTOR (BLACK)
DROP FEED SWITCH (BROWN)
NEEDLE PLATE MOTOR (RED)
PRESSER FOOT LIFTER SUPPORT LIFT (WHITE)
POWER SWITCH (WHITE)
PROGRAM (BLACK)
PRINTED CIRCUIT BOARD L2
LEFT-SIDE LAMP (YELLOW)
BH SENSOR (BLACK)
NEEDLE PLATE SWITCH (RED)
LAMP L2
LAMP L1
SLIDE VOLUME
PRINTED CIRCUIT BOARD F
TOUCH PANEL
CONNECTOR DIAGRAM
REFER TO THIS DIAGRAM FOR LOCATING THE CONNECTOR POSTS TO WHICH EACH CONNECTORS
SHOULD BE CONNECTED.
TO DISCONNECT THE CONNECTORS:
1. GRASP THE CONNECTOR DIRECTLY WITH YOUR FINGERS AND PULL.
DO NOT PULL THE LEAD WIRE, AS THIS MAY DAMAGE THE CONTACT SLEEVE INSIDE THE CONNECTOR.
TO CONNECT THE CONNECTORS:
1. BE SURE THAT THE COLOR OF EACH CONNECTOR CORRESPONDS TO THE COLOR OF THE
CONNECTOR POST ON THE PRINTED CIRCUIT BOARD TO WHICH IT IS CONNECTED.
2. POSITION THE CONNECTOR CORRECTLY, THEN PUSH IT STRAIGHT DOWN UNTIL IT LOCKS IN PLACE.
Содержание MC7700 QCP
Страница 1: ...SERVICE MANUAL PARTS LIST MC7700 QCP...