Control System Block Diagram - Brother NV-10A Service Manual

Outline of Mechanism Control system block diagram
ARM BED side
Z pulse
motor
F pulse
motor
FRONT COVER side
OPERATION PCB ASSY
KEY
x 5
Pattern selection sensor
(Photo-interrupter)
x 4
LCD
LED PCB ASSY
White-LED Backlight
(LCD)
PF SW BH SW BW SW
MAIN PCB ASSY
ZPM
Drive circuit
FPM
Drive circuit
SS-VR PCB ASSY
SS SW
BK SW
NP SW
Speed VR
LED PCB ASSY
White-LED Lamp
(Needle area)
NP NP NP
Sensor 2 Sensor 1 Sensor
Buzzer
CPU
EEPROM
1kb
Reset IC
POWER PCB ASSY
Switching power supply
30V·5V circuit
Foot controller
jack
Main motor
Main motor
Drive circuit
Power SW
Inlet
1 - 5