Overview - Brother MFC-9420CN Service Manual

3.1 OVERVIEW

DC POWER
SUPPLY
Network IC
8MB
(LAN91C115)
FLASH
32MB SDRAM 32MB SDRAM
CPU
128kbit
EEPROM
CDCC GA
MAIN ASIC
NiMH
battery
(3cell:3.6V)
Image
16MB ROM processing
ASIC2
Analog SW
AMP
V34 MODEM IC
(DFX336)
Image
processing
ASIC1
Fig. 3-1
3 - 1
SPEAKER
AMP
NCU PCB
LINE
EXTEL
ADF MOTOR
FB MOTOR
ADF DOCUMENT FRONT SENSOR SENSOR PCB
ADF DOCUMENT REAR SENSOR
Color CIS
PANEL PCB
PANEL CPU
(or PANEL GA)
Back Light LED
KEY Matrix
LCD
MAIN PCB
Confidential