Control Electronics; Components - Brother DCP375CW Service Manual

3.3

CONTROL ELECTRONICS

3.3.1 Components

The following illustration shows the hardware components. The corresponding wiring diagrams
appear in Appendix
WLAN
LAN PC
*1
WLAN PCB
*2
USB
LAN I/F
5 wires used in 6-wire
connector housing
Main
SDRAM
ASIC
*6
ROM MODEM
EEPROM
Main PCB
*15 *16
Media 1
Media 2
PictBridge (xD/SD/MS
(CF card)
card)
USB
- Digital camera
- USB flash memory drive
5.
*3
Backup battery
*4
Speaker
2-wire 5-wire
5-wire 6-wire
*6
2-wire
SDAA
(Japan) 6-wire
(Other
2-wire
countries)
5-wire
(Models with microphone) 7-wire
28-wire
34-wire
20-wire
25-wire
4-wire
10-wire (Head 3)
12-wire (Head 1)
11-wire (Head 2)
2-wire
DC motor driver
7-wire
9-wire
2-wire
2-wire
4-wire
2-wire
DC motor driver
4-wire
7-wire
3-wire
2-wire
DC motor driver
12-wire
4-wire
Stepping motor driver
3-wire
Stepping motor driver
*14
3-wire
4-wire
*5
Hook switch PCB
Power supply
AC line
PCB
*6
Line
MJ PCB
External telephone
Control panel PCB Scanner cover sensor
Ink cartridge cover sensor
*8
3.3-inch wide color LCD
*9
5.0-inch wide color LCD
*10
1.9-inch STN color LCD
*11
3.3-inch TFT color LCD
*12 *12
Touch panel relay PCB Touch panel
INK JET PRINTING & PAPER FEEDING
Carriage PCB
Head/
CR encoder sensor
carriage
Paper width sensor
unit
Head thermistor
M
Carriage motor
Ink refill ASSY
Ink cartridge detection sensor PCB
Ink cartridge detection sensors
Ink empty sensor PCB
Ink empty sensors
Casing internal temperature thermistor
Maintenance unit
Purge cam switch
Cap lift cam switch
ASF motor unit
ASF encoder sensor
ASF motor
M
PF encoder PCB
PF encoder sensor
Registration sensor PCB
Registration sensor
M
Paper feed motor
SCANNING
CIS unit
M CIS motor
*13
ADF unit
Document front sensor PCB
Document front sensor
Document rear sensor PCB
Document rear sensor
M
ADF motor
3-44
*7
Monochrome LCD
For wireless LAN-enabled models
*1
For wired LAN-enabled models
*2
For models with backup battery
*3
For models with speaker
*4
For models with handset
*5
For MFC only
*6
For models with monochrome LCD
*7
For models with 3.3-inch wide color LCD
*8
For models with 5.0-inch wide color LCD
*9
For models with 1.9-inch STN color LCD
*10
For models with 3.3-inch TFT color LCD
*11
For models with touch panel
*12
For models with ADF
*13
For models supporting Compact Flash
*14
For models supporting PictBridge/USB flash
*15
memory drive
For models supporting xD/SD/MS card
*16
(BlockDiagram_BHmini9e2_E)
Confidential