Samsung SCX 3205 - Connection Diagram

System Diagram
Service Manual
5-2
Samsung Electronics
5.2 Connection Diagram
24VS1 24VS1 24VS1 24VS1
GND
24VS2
GND GND GND
PWM_DEV_DC
nSLEEP
PWM_MHV
GND
nTHV_EN
GND
PWM_THV
GND
THV_READ
5V_SMPS
5V
5V_SMPS
3.3V_CRUM
5V_SMPS
SCL1_nCRUM
FUSER_ON
SDA1_nCRUM
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
JUPITER 5
Core : 375MHz
ARM9
FUSER Unit
ThermoStat
PickUp
Clutch
FAN MAIN
Main
Motor
MT
STEP
SOL
24VS1
PICKUP_CLUTCH
OUT1A
OUT1B
OUT2A
OUT2B
1
2
3
4
1
2
3
4
THERMISTOR FUSER_THERM
1 2 3
VBUS DM1 DP1 GND GND GND
1 2 3 4 5 6
CN2
USB DEVICE
FAN_MAIN 24VS
1 2
CN15
FAN_MAIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN10
THERMISTOR
CN6
HVPS I/F
OPE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DDR2 SDRAM
(256MB X 1EA)
EEPROM
M24512-
WMN6TP
256KB X 1EA
CISM
AFE
LAFE 1001
AFE_SIG SCAN_CONTROL1 GND CIS_3.3V CIS_OFFSET CIS_SP CIS_CLK CIS_12V CIS_BLED CIS_GLED CIS_RLED GND
CN
CIS
1 2 3 4 5 6 7 8 9
10 11 12
1 2 3 4 5 6 7 8 9
10 11 12
PLATEN MOTOR DRIVER
A3983SLP
OUT1A OUT1B OUT2A OUT2B
1 2 3 4
CN7
PLATEN MOTOR
MT
STEP
PLATEN
MOTOR
4 3 2 1
Clock
Generator
ASM3P2863A
12MHz
MCLK
VCLK
LED_ID_BACK
LED_ID_FRONT
LED_ECO_COPY
LED_SCAN_TO
LED_ERROR
LED_READY
GND
LED_WIRELESS
LED_POWER
nSCANNER_HOME
nKEY_POWER_SW
nOPE_EN
OPE_CLK
OPE_DIN
OPE_DOUT
VCC(+5V)
MAIN
Controller
CN8
OPE I/F
Thermistor
1
2
CN18
MAIN MOTOR
NOR FLASH
(32MB X 1EA)
TOP Cover
Micro Switch
24VS24V
OPC
MHV
DEV
Supply
THV
T
D
S
DRUM
M
C R U
M
Status
SMPS & HVPS
DEVELOPER Unit
INLET
LSU
24VS1
GND
nLSU_MOT_ENn
READY_LSU
CLK_LSU_MOT
LD_POWER
nSH_LSU
nLDON_LSU
GND
GND
VDO
GND
nHSYNC
3.3V_LSU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN4
LSU I/F
1
2
3
4
5
1
2
3
4
5
6
7
8
9
EMPTY
Sensor
FEED
Sensor
3.3V
3.3V_SENSOR
nP_EMPTY
nP_FEED
GND
1
2
3
4
5
CN5
SENSOR
1
2
3
4
5
CN5
PICKUP
3.3v
GND
nSENS_OUTBIN_FULL
1
2
3
CN5
OUTBINN_FULL
OUTBIN
_FULL
USB 2.0
ISP1582
BS
USB
CLK
Network
AC201
25MHz
GND N.C. RD- 3.3V_CTR_TAP RD+ TD- 3.3V_CTR_TAP TD+ LED1 POWER LED1 LED2 POWER LED2
1 2 3 4 5 6 7 8 9
10 11 12
CN5
NETWORK I/F
7-
SEG
MENT
Scan to
Power
Print
Screen
Eco
Copy
ID_Copy_Front
ID_Copy_Back
1
2
3
SPI Flash
W25X64VSFIG-S
(64MB X 1EA)
DDR2 SDRAM
(1GB X 1EA)
EEPROM
M24512-
WMN6TP
512KB X 1EA