Sistema Electrónico De Control - Brother MFC845CW Manual De Servicio

3.3 SISTEMA ELECTRÓNICO DE CONTROL
3.3.1 Componentes
El siguiente dibujo muestra los componentes del hardware. Los diagramas de cableados correspondientes se exhiben en
el Apéndice 5.
*
1
WLAN
WLAN PCB
6-wire
Main
SDRAM
ASIC
32MB
16MB
ROM
MODEM
*
8MB
4
5
*
4MB
EEPROM
*
8
Media 1
PictBridge
(xD/SD/MS
card)
USB
Digital camera
2
*
LAN PC
Power supply
PCB
LAN I/F USB
4-wire
2-wire
SDAA
2-wire
18-wire
2-wire
*
7-wire
4
*
4
5
*
5-wire
5
*
18-wire
12-wire (Head 3)
14-wire (Head 1)
13-wire (Head 2)
2-wire
DC motor driver
9-wire
Main PCB
2-wire
7-wire
2-wire
DC motor driver
6-wire
12-wire
4-wire
Stepping motor driver
3-wire
3-wire
4-wire
Stepping motor driver
9
*
*
9
Media 2
4-wire
(CF card)
AC line
Line
MJ PCB
External telephone
*
3
Cordless PCB
Speaker
Cover sensor PCB
Control panel PCB
Scanner/ink cartridge
cover sensor
Monochrome
4
LCD
*
Color LCD
INK JET PRINTING & PAPER FEEDING
Carriage PCB
Head/
CR encoder sensor
carriage
Paper width sensor
unit
Head thermistor
Carriage motor
Ink refill ASSY
Ink cartridge PCB
Ink cartridge sensors
Casing internal temperature thermistor
Maintenance unit
Purge cam switch
PF encoder PCB
4-wire
PF encoder sensor
Registration sensor PCB
Registration sensor
3-wire
Paper feed motor
6
*
Hook switch PCB
SCANNING
CIS unit
CIS motor
ADF unit
Document front sensor
Document rear sensor
ADF motor
*
7
Backup battery
(BlockDiagram_MFC)
3-45
5
*
1
* For wireless LAN-enabled models
2
* For wired LAN-enabled models
3
* For models with cordless handsets
4
* For models with color LCD
5
* For models with monochrome LCD
6
* For models with handset
7
* For models with backup battery
8
* For PictBridge-enabled models
9
* For models with PhotoCapture Center
Confidencial