Brother PR655 Service Manual

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

Brother PR655 Specifications

General

Number of Needles	6
Built-in Designs	25
USB Port	Yes
LCD Display	Yes
Type	Embroidery Machine
Built-in Fonts	28
Maximum Speed	1000 stitches per minute
Embroidery Area	300mm x 200mm