Brother XR9000 Service Manual page 14

Outline of Mechanism Control system block diagram
MACHINE (REAR COVER)
PF SW
MAIN PCB
Z PULSE
Z PULSE
MOTOR
MOTOR
DRIVER
F PULSE
F PULSE
MOTOR
MOTOR
DRIVER
FRONT COVER
OPERATION PCB
Z KEY x2
F KEY x2
PATTERN SELECTION
KEY x4
LCD
LED PCB
WHITE COLOR
LED
BACK LIGHT
LCD MODULE
BH SW BW SW
NP
SENSOR 1
CPU
TWIN NEEDLE KEY
REVERSE STITCH KEY
CONSTANT CURRENT
CIRCUIT
LED PCB MODE SELECTION PCB
UTILITY STITCH KEY
WHITE COLOR
LED LAMP
CHARACTER STITCH KEY
LED x2
NP SP
SENSOR 2 SENSOR
BUZZER
EEPROM
RESET IC
SSVR PCB
SS SW
BK SW
NP SW
SPEED VR
LED x2
FOOT
CONTROLLER
JACK
MAIN MOTOR
POWER SUPPLY PCB
SWITCHING POWER
30V/5V CIRCUIT
MAIN MOTOR
DRIVE CIRCUIT
POWER
SWITCH
INLET
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