+24V
FUSER
MAIN PBA
AC 110V / 220V
Cover S/W +24VF
+24VF
nCOVER_OPEN
+24VF
Regi_Clutch
SMPS 4-in-1 Only
FUSER_THER
+24VF
Pickup_Clutch
HOT,
Chorus3
M1
T2 Clutch
Neutr
+24VF
(412 Inlet &
al
Fuser Clutch +5V
+5V/
nFUSER1_EN
+24VF
PBGA) FAX
Power S/W
+5V_LSU RJ11
FUSER_ON +24V
Fuser PBA
nINTERLOCK
Paper Driver
Control
ARM926E
Reset IC
System
+24V RJ11
JS
+5V
(360MHz)
SYS_nRESET
+24VF
16KB
I-cache
OPE EEPROM
16KB
SPK+,SPK ITB_Tension Clutch
M24C08
+24VF
-
D-cache
8K B
+24VF
(32KB)
DET POS ITB_Clutch
DMA / INT.
Sensor Sensor
DDR2
ADF I/F
PTL &
CTRL
ADF
K4T51163 x2
ADF
CRUM
Eraser
PLL
Step Joint PBA (64M x 16bit)
MOTOR
DDRC SCL,SDA CRUM
BAT
Serial Flash
USB ROMC
(4-in-1) 12MHz
For Back-up
CRUM
+24VF
DEVE Clutch
(2CH NOR)
2MB
Host
OPC
D+,D-,VBUS UART*2 CRUM
USB Flash memory
W-LAN
ISP
D+,D-,VBUS
HPVC
(AM29LV640)
HVPS
Host
(reserved) 1761 LSUC 8MB
D+,D-,VBUS +24VF
+5V_LSU
DMAC
+24VF
BCM
TD+,TD-,RD+,RD- +5V_LSU
MOTORC
Charger
5241KMLG
IOC
DEV
ADC/DAC
RTC
A3983 Charger
A,/A,B,/B
SCAN
SCAN I/F 32.768KHz
Step
T1
MOTOR
RTC/
+1.8V T2
TIMERS
HT82V26
Color CIS
LD1117
EXIT
(COLOR
Waste Toner
1200DPI) Sensor 1, 2
Sensor
+3.3V
MCLK VCLK MVPG3
FAN
Main Clock
1
SSCG
LSU
12MHz
+1V
MVPG3
BLDC
BLDC
+5V_LSU
+5V 1
+24VF
6.1 Block Diagramg
6. System Diagram
System Diagram
6-1
Samsung Electronics
COVER OPEN
USB Device
4-in-1 Only
(5V On/off)
4p/USB-B Con.
CN10
2p/Wire
CN15
3p/Wire CN12
7p/Wire
5p/Wire with Shield CN17
USB Host
(TEP/INTERLOCK)
3p/Wire
CN16
CN14
(FR4, 2 Layer)
CN13
3p/Wire
4p/USB-A Con.
10p/Wire CN27
CN3 6p/Wire with Shield
W-LAN
3p/Wire CN26
USB Host 2p/Wire CN19
8p/RJ45 Con.
2p/Wire CN24
Ethernet
CN4
CN20
2p/Wire
3p/Wire CN22
2p/Wire
16p/Wire
Inlet / 2p/Wire CN23
SMPS
CN18
3p/Wire
Switch
(Type II)
CN31
OPC FUSER
CN29
4p/Wire
3p/Wire
CN8
8p/Wire
Exit-Sensor
Main PBA
3p/Wire
Main-Fan ADF I/F PBA
(FR-4, 6 Layer)
26p/FFC
HVPS 2p/Wire
4p/Wire 20p/FFC (FR4, 2 Layer)
(FR1, 1 Layer)
Waste-TX/RX CN28
OPE PBA
CN7
3p/Wire
(FR1, 1 Layer)
12p/Wire
Regi_Sensor
ADF Motor
ADF Joint PBA
MHV / THV
16p/FFC
/ Bias (FR1, 1 Layer)
Detect Sensor
Direct
LSU
CN9
Position Sensor
Contact
12p/Wire
12p/FFC
CIS
CN32
5p/Wire
CRUM Joint PBA
4p/Wire
Crum Y
CN5
SCAN Motor
CN1
LIU PBA 2p/Wire
Crum M
12p/Wire
(FR4, 2 Layer)
CN33
Crum C
COVER OPEN 2p/Wire
Crum K
(24V On/off)
CN30
Temp Sensor
6.2 Connection Diagramg
System Diagram
6-2
Samsung Electronics
I2C