Samsung SCX-483xFD - System Diagram; Block Diagram (SCX-483 xFD)

5. System Diagram
5-1
Samsung Electronics
Service Manual
SCX-483x/5x3x series
5. System Diagram
5.1 Block Diagram (SCX-483xFD)
Power S/W
CPU: Chorus 3
Clock : 360Mhz
OPE 2line
Buzzer , Power S/W
HVPS Board
(MHV,THV,DEV_DC
,FUSER_BIAS)
LSU
2BEAM
SCF
(Rst,Rx,Tx, )REQ
540?
UART x 4
USB 2.0
MAC
I2C x 2
DDR2 128 M
ONBOARD +
256MB
1 DIMM
NCRUM
PHY IC
AC201A1KMLG
10/100
LAN
USB Device
ADF Unit
Modem
Conexant
ISP1582
EEPROM(64K)
LSU
controller
DDR2
controller
SCAN
IF / AFE
GPIO
PWM x 12
DAC ADCRTC
RTC
battery
Flash(16M)
for OS
Engine (TBD)
- Solenoid ? (MP, Pickup ,Regi) - Sensor ? (Exit, Feed , Empty, Regi,Out bin full , MP, ADF_DET, ADF_POS, ADF_COVER, Duplex) - Fan (Ma ,in SMPS,MIDDLE)
Motor
Cover S/W
Debug
MAINBOARD
Fuser
thermistor
1 BLDC
STEP
A3983
Serial Flash (8M)
for FAX
Flash
DCDC
ST1S10
THV readLD power
SPI
CIS Scan Unit
USB HOST
DCDC
ST1S10
DCDC
ST1S10
3.3V
system
1.8V
DDR
1.0V
CHO RUS 3
SMPS(TYPE2)
24V, 5V, FDB, Relay
Speaker
LAFE1001
Rainier 31
Block Diagram
2010 .007 .12
Ambient
5V
SMPS
UR5596
0.9V
VTT
H/ W
PROTECT
Home
Sensor
STEP
A3983