Samsung SCX-4824FN - Connection Diagram

System Diagram
Service Manual
6-2
Samsung Electronics
6.2 Connection Diagram
Main
S/W
INLET
SMPS
CHORUS3
HVPS
FUSER Unit
ThermoStat
Thermistor
EXIT
Sensor
PickUp
Clutch
Regist Clutch
Front Cover
Micro Switch
Rear Cover
Micro Switch
24VS24V
DEVELOPER Unit
FAN MAIN
FAN LSU
OPC
MHV
DEV
Supply
THV
Varistor
T
D
S
DRUM
M
Main
Motor
MT
BLDC
CL
C R U
M
LSU
INTERLOCK
S/ W
Regi_Dpx
Sensor
Feed
Sensor
Empty
Sensor
SCF
(Option)
Network
BCM5241
25MHz
SOL
24VS
PICKUP_CLUTCH
24VS
REGI_CLUTCH
11
12
13
14
nBLDC_MOTOR_DIR
BLDC_CLK
BLDC_M OTOR_RE ADY
nBLDC_MOTOR_EN
GND
BLDC_M OTOR_BR EAK
GND
GND
24VS
24VS
1
2
3
4
5
6
7
8
9
10
CN21
MAIN MOTOR & PICKUP, REGI CLUTCH
1
2
3
4
5
6
7
8
9
10
3.3V
GND
nS EN S _ P_E MP TY
3.3V
GND
nS EN S _ P_R E GI
3.3V
GND
nS EN S _ P_F EE D
1
2
3
4
5
6
7
8
9
CN18
SENSOR
1
2
3
1
2
3
1
2
3
1
2
3
3.3V
GND
nS EN S _ P_E XI T
3
4
5
24VS 3.3V 3.3V SCF _RXD nSCF _DET SCF _TXD GND GND GND
1 2 3 4 5 6 7 8 9
CN19
SCF I/F
VBUS DM1 DP1 GND
1 2 3 4
CN 6
USB DEVICE
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
CN13
NETWORK I/F
24V
GND
nLSU_MOT_EN
nREADY_LSU
CLK_LSU_MOT
nLDON_LSU
LD_POWE R1
GND
HSYNC_1
nSH_LSU_1
GND
VDO_1_N
VDO_2_P
GND
5V_LSU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN7
LSU I/ F
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
1
2
3
4
GND GND FAN _MAIN
1 2 3
CN11
FA N _MA I N
3.3V SDA 1_CHORUS 3 SCL1_ CHORUS 3 GND
4 3 2 1
CN20
CRUM
THERMISTOR
FUSER_THERM1
1
2
1
2
3
4
5
6
7
8
CN17
THERMISTOR & P_EXIT
24VS
FUSER _ON
GND
24V
GND
24V
GND
24V
GND
24V
GND
5V
GND
5V
GND
5V
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
CN 1 6
SMPS I/F
GND GND
PWM _DEV_ DC
PWM _MHV THV_READ
nTHV _EN
PWM _THV
5V
24VS 24VS
GND GND
24V 24V
1 2 3 4 5 6 7 8 9
10 11 12 13 14
CN 1 0
HVPS I/F
OPE
LCD (16X2)
LSU
1
2
3
4
5
6
7
8
SPEAKER
LIU
SFX336
(CX86710)
SMART
DAA
GND
5V
DATA<15>
DATA<14>
DATA<13>
DATA<12>
DATA<11>
DATA<10>
DATA<9>
DATA<8>
GND
ADDR< 1>
ADDR< 2>
ADDR< 3>
ADDR< 4>
ADDR< 5>
ADDR< 6>
ADDR< 7>
GND
GND
nCS_MODEM
nRD
nWR
N.C.
nRST_MODEM
nINT_MODEM
N.C.
3.3V
3.3V
GND
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
27
28
29
30
CN4
CONEXANT MODEM I /F
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
27
28
29
30
USB 2.0
ISP1761
NOR Flash
S29GL128N90TFIR20
(16MB X 1EA)
DDR2 SDRAM
K4T1G164QD-ZCE6
(128MB X 1EA)
EEPROM
M24256 X 1EA
DDR2 SDRAM
SODIMM
(Max 256MB)
Battery
CR2032
SERIAL Flash
AT25DF321
CISM
AFE
HT82V26
ADF MOTOR
DRIVER
(TEA3718 X 2 )
EMPTY
REG
EXIT
MT
STEP
ADF
MOTOR
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
AFE_SIG SCAN _CONTROL 1 GND CIS_3.3V
CIS_OFFSET CIS_SP CIS_CLK CIS_12V CIS_BLED CIS_GLED CIS_RLED GND
CN22
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
32.768KHz
PLATEN MOTOR DRIVER
A3983SLP
OUT1A OUT1B OUT2A OUT2B
1 2 3 4
CN3
PLA T EN M O TO R
MT
STEP
PLATEN MOTOR
4 3 2 1
Clock
Generator
ASM3P2863A
12MHz
MCLK
VCLK
USB
CLK
FAN LSU
GND
F AN_LSU
5V
nDEV_DET
CN9
LSU S/ W & FAN
GND
5V
PANEL_RXD
nRST_P ANEL
PA N EL_ TX D
nSCANNE R_HOME
MOD_BUZZER
KE YC LI C K
MAIN Controller
CN8
OPE I/F
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
GND 24V 5V GND ADF_MOT _NB ADF_MOT _PHB ADF_MOT _PHA ADF_MOT _B ADF_MOT _A ADF_MOT _NA GND nADF_P _DET GND nADF_P _REGI GND nADF_P _POS
CN5
A DF MOTO R I/ F
5V DM3 DP3 GND
1 2 3 4
CN15
DIRECT USB
(SCX-4828FN only)
3.3V
GND
nSENS_OUTBIN
_F ULL
1
2
3
CN12
OUTBIN FULL
Outbin Full
Sensor
1
2
3
24VS FAN _SMPS
1 2
CN11
FA N _S MP S
FAN SMPS