Block Diagram - Brother DCP-J552DW Service Manual

2.4

Block Diagram

AD ADF Unit F Unit
Document detection Document detection Sensor PCB
Document Scanning position Document Scanning position Sensor PCB
Print Engin Prin ngine
PF M PF Motor
PF PF Encoder PCB
Re Registration Sen ensor PCB
Registration sensor or Re
Pu Purge Cam Sen ensor or
Pressure R Pressure Roll ller
Release Sensor PCB Release Sensor PCB
ASF Encoder S AS r Sensor
Disc Guide Sensor Disc Guide Sensor
ASF AS
Motor Mo
Carriage Carriage
Mo Motor
AC AC Line
Po Power Supp pply PCB y PCB
Document Scanner Sensor Document Scanner Sensor
AD ADF
Motor Mo
Scanner Unit Scanner Unit
Scanner Scanner
Motor Mo
CIS Unit CIS Unit
E2PROM E2
DDR2 DDR
LE LEDD
16bit 16b
ADC ADC
LAN LA
(M (MAC)
ASIC AS
Fu Full ll
Speed Sp
USB US
Host Ho
Ba Backup
ROM RO
MSduo MS
RO ROM
US USB
SD SD
Pa Panel Uni Unit
LCD PCB LC
Pa Panel PCB Touc To uch h Color Co
Panel l LC LCD
Wireless Wireless NFC PCB NFC PCB
LAN LA
PC
USB USB
LAN LAN
Ethernet
(P (PHY)
I2 I2C
RM RMII
UART UA
SPI SP
Speaker
AMP AM
Ma Main in PCB
In Ink Cover Sensor ensor
2-6
Carr rriage Uni Ca Unit
Pr Print Head unit
Head Th He Thermistor
Carr rriage PCB Ca
CR Encoder sensor CR
Paper width sensor Pa
Ink R Ink REFIL Uni Unit
Ink Cartridge IC Chip PCB Ink Cartridge IC
Ink Remaining Sensor PCB Ink Remaining Sensor PCB
Ink Remaining Sensor Ink Remaining Sensor
In Ink Cartridge PCB
Ink C Ink Cartridge Detection Detection sensor
Casing Internal Thermistor Casing Internal Thermistor
Tel line
Mo Modem SDAA SDA
Ext
Tel line
Co Codec
MJ MJ PCB
(External)
Confidential