2. Product specifications and descriptions
Service Manual
SCX-483x/5x3x series
2-24
Samsung Electronics
The SCX-483xFR/563xFR/573xFW Electrical Circuit System consists of the following:
• Main Controller
• OPE Controller
• DDR2 SODIMM(Option)
• WLAN Module(only SCX-573xFW)
• SCF(Option)
• SMPS
• HVPS
Diagram of the SCX-483xFR/563xFR/573xFW Electrical Circuit
The Main Controller controls all modules required to print, that is, LSU, HVPS, SMPS, FAN, Fuser, etc.
The Main Controller receives print data from the host through network or USB Port. It takes this information
and generates printable video bitmap data. Engine and Video Controller are not separated.
5V S
CA
N
NE
R_
HO
M
E
GN
D
Rainier Hardware Team
R&D Group 2
Digital Print Division
Samsung Electronics
100405
MAIN
CHORUS4
FUSER Unit
ThermoStat
Thermistor1
Exit
Sensor
OPE(CLX-4833FR/5737FR)
Regi
Pickup
Clutch
Clutch
Front Cover
Micro Switch
24V
5V_SMPS
FUSER ON
24VS
3.3V
3.3V_Cover_Open1
3.3V_Cover_Open
3.3V
DEVELOPER Unit
FAN
MAIN
FAN
SMPS
OPC
MHV
DEV
Supply
THV
Varistor
T
D
S
DRUM
M
Main
Motor
MT
BLDC
DDR2
SDRAM
(256MB)
EEPROM
M24C32
(M24C256)
SOL
CL
C
R
U
M
Network
RTL8211D
25MHz
FUSER
BIAS
INLET
Paper
Outbinfull
Sensor
Clock
Generator
ASM3P2863 A
12MHz
MAIN CLK
USB CLK
VCLK
USB 2.0
INLET
FUSER
TH
E
R
M_
1
1
2
CN(2 mm)
THERM
MO
T_
D
IR
PW
M_
MO
T
MO
T_
R
EA
D
Y
MO
T_
EN
GN
D
MO
T_
BR
E
AK
GN
D
GN
D
24
VS
24
VS
24
VS
Pi
ck
up
_C
LT
24
VS
R
egi
_C
LT
1
2
3 4 5
6 7
8 9 10
11
12
13 14
CN(2mm)
MAIN MOTOR
3.
3V
GN
D
PE
AP
ER
_E
XI
T
1
2
3
CN(2 mm)
P_EXIT
SENSOR
3.
3V
PS
GN
D
nS
E
NS
_B
IN
_
FU
LL
3.
3V
_C
_O
PE
N
1
3.
3V
_C
_O
PE
N
2
1
2
3 4
5
CN(1.5 mm)
P_SIZE
SENSOR
VBUS
DM
DP
GND
1
2
3
4
CN
US
B_
IF
GND
MDI_P3
MDI_M 3
MDI_P2
MDI_M 2
MDI_P1
MDI_M 1
MDI_P0
MDI_M 0
3.3V
LED1
3.3V
NPC_LED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN
NE
TW
O
R
K_
IF
GN
D
SC
A
NNE
R_
HO
M
E
nR
S
T_
P
AN
E
L
nP
O
W
E
R_
SW
GN
D
GN
D
PA
N
EL
_T
X
D
PA
N
EL
_R
X
D
MO
D
_B
UZ
ZE
R_
C
ON
KE
YC
LI
CK
_C
ON
CN
(1.5mm )
OPE I/F
1
2
3 4
5 6 7
8 9
10
3.
3V
_L
S
U
nH
sy
nc
GN
D
V
D
O
_1_
P
VD
O
_1_
N
GN
D
nS
H_
1
nS
H_
2
GN
D
V
D
O
_2_
P
VD
O
_2_
N
GN
D
nLD
_O
N
LD
_P
OW
E
R
N.
C
CL
K_
LS
U_
M
O
T
nR
EA
DY
_L
S
U
nLS
U
_M
OT
_E
N
GN
D
24
V
S
20 19
18 17 16
15 14
13 12 11
10 9
8 7 6
5 4
3 2
1
CN(FFC 1mm)
LSU_IF
HVPS
1
2 3
4 5 6
7 8
9 10 11 12 13 14 15 16 17 18 19 20 21 22
10 9
8 7
6 5 4
3 2
1
1
2
3
4
5
6
7
8
9
10
24VS
GND
THV_READ
nTHV _EN
PWM _THV
PWM _DEV_DC
PWM _MHV
PWM _FUSER_BIAS
GND
GND
3.3V
3.3V_Cover_Open1
1
2
3
4
5
6
7
8
9
10
11
12
CN
(1
.5
mm
)
HV
P
S
5V_SMPS
GND
24V 1
GND
24V 2
1
2
3
4
5
CN
(3
.96
m
m
)
SM
PS
SMPS
5V _SMPS
GND
24V 1
GND
24V 2
1
2
3
4
5
CN
SM
PS
GND
24V OFF
Relay
24VS
Fuser ON
1
2
3
4
5
CN
SM
PS
GND
24V OFF
Relay
24VS
Fuser ON
5
4
3
2
1
CN
(2
m
m
)
SM
PS
24VS
GND
GND
24VS
1
2
3
CN
(2
m
m
)
MA
IN
F
A
N
24VS
1
GND
2
CN
(2
m
m)
SM
PS
F
AN
12
11
10
9
8
7
6
5
4
3
2
1
GND
CLK
DIO
3.3V_CRUM
1
2
3
4
CN
(2
m
m
)
CR
UM
EMPTY
Sensor
REGI
Sensor
3.
3V
S
GN
D
P_
Em
pt
y
SE
NS
3.
3V
S
GN
D
RE
G
I_
S
EN
S
3.
3V
S
GN
D
FE
ED
_S
EN
S
1
2 3
4
5 6
7 8
9
CN(2mm)
SENSOR
24V
S
MP
_C
LT
3.
3V
S
GN
D
MP
_S
E
N
S
1
2
3 4 5
CN(2mm )
MP
FEED
Sensor
24VS
GND
THV_READ
nTHV_EN
PWM_THV
PWM_DEV_DC
PWM_MHV
PWM_FUSER_BIAS
GND
GND
3.3V
3.3V_Cover_Open
CN
(1
.5m
m
)
SC
F_I
F
3.
3V
_L
S
U
nH
sy
nc
GN
D
VD
O
_1
_P
VD
O
_1
_N
GN
D
nS
H_
1
nS
H_
2
GN
D
VD
O
_2
_P
VD
O
_2
_N
GN
D
nL
D_
O
N
LD
_P
OW
E
R
N.
C
CL
K_
LS
U_
M
O
T
nR
EA
DY
_L
S
U
nL
SU
_M
OT
_E
N
GN
D
24
V
S
LSU
(Dual Beam )
24V
24V
24V
3.3V
3.3V
3.3V
nRST_SCF
SCF_TX D
SCF_RXD
N.C
nSCF_OPT
N.C
N.C
GND
GND
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
OPE _LCD
LCD (4-Line)
CLX -5737FW
VB
U
S
DM DP
GN
D
1
2 3
4
CN
USB_IF
VB
US
DM DP GN
D
US
VB DM
DP GN
D
1
2 3 4
5 6
7 8
CN
USB_IF
US
VB DM
DP GN
D
GN
D
1
2
3 4
5
CN
USB_IF
VB
US
DM DP
W
A
KE
UP
GN
D
1
2 3
4 5
CN
USB_IF
Flash
Drive
Direct
USB
OPE I/F
WLAN
FDI
CLX-5737FW
B_
VI
N
GN
D
G_
VI
N
GN
D
R_
V
IN
GN
D
3.
3V
_C
IS
3.
3V
_C
IS
SC
A
N_
C
T
R
CI
S_
S
P
CI
S
_C
LK
LE
D_
CO
M
MO
N
CIS
_BL
ED
CI
S_
G
LED
CI
S_
R
LE
D
GN
D
1
2
3 4 5
6 7
8 9 10 11 12 13 14 15 16
CN(FFC 1mm)
CIS _IF
OU
T1
A
OU
T1
B
OU
T2
A
OU
T2
B
1
2 3
4
CN(2mm )
SCAN_MTR
MT
STEP
GN
D
GN
D
DA
DF
_R
EG
I_S
O
L
nS
EN
S
_DA
DF
_P
_D
ET
nS
EN
S
_D
AD
F_
P
_R
EG
nD
AD
F_
M
OT
_S
LE
E
P
nD
AD
F_
M
OT
_E
N
DA
D
F_
M
OT
_P
LS
DA
DF
_M
O
T_
C
UR
RE
NT
DA
DF
_M
OT
_D
IR
GN
D
GN
D
D
A
D
F_P
IC
KU
P
_S
O
L
nS
E
NS
_D
A
DF
_
CO
VE
R_
O
P
EN
nS
E
NS
_DA
D
F
_P
_P
OS
DA
DF
_M
O
T_
M
S1
DA
DF
_M
O
T_
M
S2 24V 5V
DA
DF
_E
X
IT
_S
O
L
1
2
3 4
5 6 7
8 9
10 11 12
13 14
15 16 17
18 19
20
CN(1.5mm)
ADF_IF
ADF_JOINT
N.C
GND
GND
DADF_REGI_SOL
N.C
nSENS_DADF_P_DET
nSENS_DADF_P_REGI
DADF_MOT _SLEEP
nDADF_MOT _EN
DADF_MOT _PLS
DADF_MOT _CURRENT
DADF_MOT _DIR
CN(1.5mm)
DADF
N.C
GND
GND
DADF_REGI_SOL
DADF_MODULE _DET
nSENS_DADF_P_DET
nSENS_DADF_P_REGI
DADF_MOT _SLEEP
nEN_DADF_MOT
DADF_MOT _PLS
DADF_MOT _CURRENT
DADF_MOT _DIR
CN
(1
.5
mm
)
GND
GND
DADF_PICKUP_SOL
nSENS_ DADF_COVER_OPEN
nSENS_DADF_P_POS
DADF_MOT _MS1
DADF_MOT _MS2
24V
5V
DADF_EXIT_SOL
SENS_DADF_P_SIZE
CN(
1.
5m
m
)
LED_ANODE
GND
nSENS_DADF_ P_DET
LED_ANODE
GND
nSENS_DADF_ COVER_OPEN
N.C
1
2
3
4
5
6
7
CN
(1
.5
m
m)
SE
N
SO
R
LED_ANODE
GND
nSENS_DADF_ P_POS
LED_ANODE
GND
nSENS_DADF_ P_REGI
1
2
3
4
5
6
CN
(1
.5
m
m)
SE
N
SO
R
DADF_PICKUP_S OL
24V
1
2
CN(
2m
m
)
PI
C
KU
P
SO
L
DADF_REGI_SOL
24V
1
2
C
N(
1.5
m
m
)
RE
GI
SO
L
24V
N.C
DADF_EXIT_SOL
1
2
3
CN
(2m
m
)
EX
IT
SO
L
OUT1A
OUT1B
OUT2A
OUT2B
1
2
3
4
CN(
2mm)
AD
F
M
OT
SO
L
SO
L
SO
L
MT
STEP
GN
D 5V
DA
T
A7
~
~D
A
TA
0
GN
D
R1
~
AD
D
~A
D
D
R7
GN
D
HO
O
K
_D
ET
nC
S
_M
O
DE
M
nR
D
nW
R
N.
C
nR
S
T_
M
O
DE
M
nI
NT
_M
O
DE
M
N.
C
3.
3V
3.
3V
GN
D
1
2
3~ ~1
0
11
12
~
~1
8
19 20 21
22 23
24 25 26
27 28
29 30
CN(FFC 1mm)
MODEM_IF
MODEM
(Conexant )
1
2
3~ ~1
0
11
12
~
~1
8
19 20 21
22 23
24 25 26
27 28
29 30
GN
D 5V
DA
T
A7
~
~D
A
TA
0
GN
D
R1
~
AD
D
~A
D
D
R7
GN
D
HO
O
K
_D
ET
nC
S
_M
O
DE
M
nR
D
nW
R
nR
IN
G
0
nM
_R
E
S
ET
nI
NT
_M
O
DE
M
KE
YC
LIC
K
3.
3V
3.
3V N.
C
NOR FLASH
(32MB)
Scan
Motor
DADF Paper Detect
Sensor
DADF Cover Open
Sensor
DADF Paper Pos
Sensor
DADF Paper Regi
Sensor
DADF Pick up
Clutch
DADF Regi
Clutch
DADF Exit
Clutch
DADF Motor
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
1
2
3 4 5
6 7
8 9 10 11 12 13 14 15 16
MP
Clutch
MP
Sensor
SOL
FAN
MIDDLE
24VS
NC
GND
1
2
3
CN
(1
.5m
m
)
SM
PS
F
AN
5V
ER
AS
ER
_L
ED
1
2
CN(1.5mm )
Eraser
ERASER
LED
T
EN
AM
BI
GN
D
1
2
CN(2mm )
AIR
TEMP
USB HUB
USB HUB
1 2
3
Scanner
Home
Sensor
1
2
CLX-4833FR/5637FR
Cover
Open
Ambient
Temp
Sensor
BUZZER
SPEAKER
1
2
BUZZER
LCD DRV B
˅
D(CLX-5737FW)
KEY PANEL (CLX-5737FW)
1
2
3 4 5
CN
USB_IF
(OPE)
20
19
18 17
16 15 14
13 12
11 10 9
8 7
6 5 4
3 2
1
GN
D
GN
D
DA
DF
_RE
G
I_S
O
L
nS
EN
S
_D
AD
F_
P
_D
ET
nS
EN
S
_DA
DF
_P
_R
EG
nD
AD
F_
M
OT
_S
LE
E
P
nD
AD
F_
M
OT
_E
N
DA
D
F
_M
O
T_P
LS
DA
DF
_M
O
T_
C
URR
ENT
DA
DF
_M
OT
_D
IR
GN
D
GN
D
DA
DF
_P
ICK
UP
_S
O
L
nS
E
N
S_
DAD
F_
CO
VER
_O
PE
N
nS
E
NS
_D
A
DF
_P
_P
OS
DA
DF
_M
O
T_M
S1
DA
DF
_M
O
T_M
S2 24
V 5V
DA
DF
_E
X
IT_
SO
L
GND
GND
DADF_PICKUP_SOL
nSENS_DADF_COVER_OPEN
nSENS_DADF_P_POS
DADF_MOT _MS1
DADF_MOT _MS2
24V
5V
DADF_EXIT_SOL
SENS_DADF_P_S IZE
12
11
10
9
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
CN
(1
.5m
m
)
CN
(1
.5
m
m)
CLX-5637FR
CLX -5737FW
3CH CIS
3.
3V
_C
ov
er
_O
pe
n2