Control System Block Diagram - Brother PR655 Service Manual

Outline of Mechanism Control system block diagram
LED light PCB
AC power
x2
supply
Inlet
LED pointer
Power supply
SW
Power supply
PCB
Switching
Power supply
Power supply monitor
40V,24V
Main motor
driver / Temp
sensor
Main motor
SEWING MACHINE
OPERATION PANEL
Panel PCB
Power supply
5V, 3.3V, 3V,
1.8V, 1.4V
NAND FLASH
ROM
DDR SDRAM
EEPROM
Main shaft sensor
A/B Stop
phase position
sensor sensor
Color change
LED driver x2
EEPROM
Power supply
5V, 3.3V
40V, 24V
I/F
Communication
Extension I/F
Needle thread
sensor
Extension I/F
PCB (Lower)
Hoop sensor
(Potentiometer)
24V
I/F communication
CPU
USB 2.0 USB 1.1
(FUNCTION) (HOST)
1 - 7
Index Wiper
sensor sensor
Index Wiper
sensor motor motor
Main PCB
CPU
Thread cutter
sensor
Needle thread Thread cutter
motor motor
Hoop PCB
X area
sensor
Hole IC x3
(Magnet sensor)
Temp sensor
X motor
CPLD
SD card I/F
USB 2.0
(HOST)
Thread quantity
sensor x6
Head
PCB
CPLD
Stepping motor
driver x5
Stepping
CPLD motor driver
(for X/Y motor)
Picker
Y motor
sensor
Picker
motor
Relay Y area
sensor
PCB
LCD back light drive PCB
LCD module
Touch panel
Start/Stop SW
Thread cutter SW
Needle thread SW
Two-color LED
Speaker