5. System Diagram
5-3
Samsung Electronics
Service Manual
SCX-483x/5x3x series
5.2 Connection Diagram (SCX-483xFD)
5V
SCA
NNE
R_HO
ME
GND
R
a
ini
er
H
ar
dw
a
re
T
e
a
m
R
&
D
G
roup
2
D
ig
ita
l
P
rin
t
D
iv
is
io
n
S
am
sun
g
E
lec
tr
on
ic
s
10040
9
th
pu
CHO
RUS
3
m
|z
l
y
G|
{
z
{
X
l
z
OP
E
y
j
w
j
m
G
j
t
G
z
Y[
}
\}
z
t
w
z
m|
z
l
y
Gv
u
Y[}
z
ZU
Z}
z
Z
UZ
}
j
v
X
Z
UZ
}
j
v
ZU
Z}
z
tw
z
kl
}l
s
v
w
l
y
G|
mh
u
th
pu
mh
u
ztwz
OP
C
MH
V
DE
V
S
uppl
y
TH
V
Va
ris
to
r
T
D
S
DRUM
M
t
t
t{
is
k
j
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ͣ
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;
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;
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;
;
ͣͥ
ͦͣ͢
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ͥ
ͼ
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zv
s
js
C
R
U
M
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ΥΨ
Π
ΣΜ
͢͡
͢͠͡
͡
25
MH
z
F
US
E
R
BI
AS
pu
sl
{
w
G
v
z
Clo
c
k
G
ener
at
or
ASM
3
P
28
63
A
12
MH
z
th
puG
j
s
r
|z
i
GGj
s
r
}j
s
r
U
SB
2
.0
IN
L
E
T
FU
S
E
R
THE
RM_
1
1
2
CN1
0
(
2m
m
)
TH
E
RM
MOT_
DIR
PWM_
MOT
MOT_
REA
DY
MOT_
EN
GND
MOT_
BRE
AK
GND
GND
24V
S
24V
S
24V
S
Pic
ku
p_
CL
T
24V
S
Regi
_C
LT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
N
14(
2
m
m
)
MA
IN
M
O
T
O
R
3.3V
GND
PE
AP
ER
_E
XIT
1
2
3
CN(
2
mm)
P_
EXI
T
SEN
SO
R
3.3V
PS
GND
nS
ENS_
BIN
_F
ULL
3.3V
_C_O
PE
N1
3.3V
_C_O
PE
N2
1
2
3
4
5
C
N
6(
1.
5m
m
)
OU
T
B
IN
SEN
SO
R
VBU
S
DM
DP
GN
D
1
2
3
4
CN 2
8
USB
_IF
GN
D
NC
RD
-
3.
3V
+
RD
TD
-
3.
3V
3.
3V
p
ul
lup
LE
D1
3.
3V
LE
D2
GN
D
GN
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN7NE
TW
ORK
_IF
GND
SCA
N NE
R_HO
ME
nR S
T_P
ANE
L
nPO
WE
R_S
W
GND
GND
PAN
EL_
TX
D
PAN
EL_
RX
D
MOD
_B
U Z
ZER
_CO
N
KEYC
LIC
K_C
ON
CN
5
(1
.5
m
m
)
O
PE
I/F
1
2
3
4
5
6
7
8
9
10
3.3
V_LS
U
nH s
ync
GND
VD
O_1_P
VD
O_1_N
GND
nSH
_1
nSH
_2
GND
VD
O_2_P
VD
O_2_N
GND
nLD _O
N
LD_P
OWE
R
N.C
CLK
_LS
U_M
OT
nRE
AD
Y_LS
U
nLSU
_MOT
_E
N
GND
24VS
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
CN
2
1
(FFC
1
mm
)
LS
U_
IF
o}
w
z
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
24
V
S
GN
D
T
H
V_
R
E
AD
nT
H
V
_E
N
PW
M
_TH
V
P
WM
_DE
V_
D
C
PW
M
_MH
V
PW
M
_
AS
F
US
E
R_
B
I
GN
D
GN
D
3.
3V
S
3.
3V
_C
ov
er
_O
pe
n
1
2
3
4
5
6
7
8
9
10
11
12
CN16(2mm)
HVP S
5V
_S
MP
S
GN
D
V
24
GN
D
1
2
3
4
CN17
SM PS
zt
wz
5V
_S
MP
S
GN
D
24V
GN
D
1
2
3
4
CN3
SMPS
GN
D
24V
O
F
F
R
el
ay
24V
S
Fu
s
er
O
N
1
2
3
4
5
CN4
SMPS
GN
D
24
V
O
F
F
Re
la
y
24
V
S
Fu
s
er
O
N
5
4
3
2
1
CN18
(2mm)
S MP S
Y[
}
z
GN
D
GN
D
24
V
S
1
2
3
CN12
(2m m)
M AI N FA N
24
V
S
GN
D
1
2
CN11
(2m m)
SM PS F AN
12
11
10
9
8
7
6
5
4
3
2
1
GN
D
CL
K
DI
O
3.
3
V
_CR
UM
1
2
3
4
CN23
(2mm )
CRUM
lt
w
{
z
y
l
n
p
z
3.3V
S
GND
P_
Em
pty
SE
NS
3.3V
S
GND
REG
I_S
ENS
3.3V
S
GND
FEED
_S
ENS
1
2
3
4
5
6
7
8
9
CN
(2
m
m
)
SE
N
SO
R
24V
S
MP_
CL
T
3.3V
S
GND
MP_
SEN
S
1
2
3
4
5
CN
(2
m
m
)
MP
m
llk
z
24V
S
GN
D
TH
V_
R
E
A
D
nT
H
V
_E
N
PW
M
_
T
H
V
P
WM
_
D
E
V_
D
C
PW
M
_
M
H
V
AS
_B
I
PW
M
_
F
U
SER
GN
D
GN
D
3.
3V
S
3.
3V
_C
ov
er
_O
pen
C N
8(1
.5
mm
)
S C
F_
IF
3.3
V_LS
U
nH s
ync
GND
VD
O_1_
P
VD
O_1_
N
GND
nSH
_1
nSH
_2
GND
VD
O_2_
P
VD
O_2_
N
GND
nLD _
ON
LD_P
OWE
R
N.C
CLK
_LS
U_M
OT
nRE
AD
Y_LS
U
nLSU
_MOT
_E
N
GND
24VS
LS
U
(Du
a
l
B
e
a
m
)
V
24
24
V
V
24
3.
3V
3.
3V
3.
3V
nR
S
T_S
CF
_T
X
D
SC
F
_R
X
D
SC
F
N.
C
nS
CF
_O
P
T
N.
C
N.
C
GN
D
GN
D
GN
D
GN
D
GN
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
OP
E
_L
C
D
LC
D
(
2-
Li
n
e
)
VBU
S
DM
DP
GND
1
2
3
4
CN1
9
US
B
_I
F
k
|z
i
AFE_
SIG
SCA
N _
CON
TROL
1
GND
3 .3
V_
CI
S
PUL
L-U
P
CIS_
SP
3CIS
_CLK
12V
C IS
_B
LE
D
CIS
_G
LE
D
CIS_
RL
ED
GND
1
2
3
4
5
6
7
8
9
10
11
12
C
N
26(
F
F
C
1m
m
)
CI
S
_I
F
OUT1
A
OUT1
B
OUT2
A
OUT2
B
1
2
3
4
CN
4
(2
m
m
)
SC
AN
_M
T
R
t{
z{
lw
OUT2
B
OUT2
A
OUT1
B
OUT1
A
GND
GND
3.3V
PS
GND
nAD
F_P
_POS
nADF
_CO
VE
R_S
ENS
GND
nAD
F_P
_DE
T
1
2
3
4
5
6
7
8
9
10
11
12
CN3
(1
.5
m
m
)
AD
F
_
IF
A
DF
_J
O
INT
OU
T2B
OU
T2A
OU
T1B
OU
T1A
GN
D
GN
D
3.
3V
P
S
GN
D
nA
D
F
_P
_PO
S
nA
D
F
_C
O
VER
_
SEN
S
GN
D
nA
D
F
_P
_DE
T
CN(1.5mm)
A DF _IF
ADF
t{
z{
lw
GND
5V
DAT
A7~
~DA
TA0
GND
AD
D R1
~
~AD
DR
7
GND
HOOK
_DET
nC S
_MO
D E
M
nRD
n W
R
N.C
nRS
T_M
OD
EM
nINT
_M
OD
EM
N.C
3.3V
3.3V
GND
1
2
3~
~10
11
12~
~18
19
20
21
22
23
24
25
26
27
28
29
30
CN9
(F
F
C
1
m
m
)
MO
D
E
M_
IF
MOD
E
M
(C
onex
ant
)
1
2
3~
~10
11
12~
~18
19
20
21
22
23
24
25
26
27
28
29
30
GND
5V
DAT
A7~
~DA
TA0
GND
AD
D R1
~
~ADDR
7
GND
HOO
K_D
ET
nC S
_MO
D E
M
nRD
nWR
nRI
NG0
nM_
R E
SE
T
nINT
_M
OD
EM
KE
YC
L IC
K
3.3V
3.3V
N.C
Ϳ
͑
ͷ
ͽ
Ͳ
΄
͙͢
ͧ
;
ͳ
͚
z
t
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
tw
j
tw
z
zv
s
mh
u
t
24
V
S
GN
D
1
2
CN30
(1.5m m)
S MP S FA N
5V
ER
AS
ER
_L
ED
nSE
N S_
DU
PLEX
GND
1
2
3
4
CN2
4
(1
.5m
m
)
E
ra
s
er
&
D
upl
ex
ly
h
z
ly
sl
k
k
AM
BIE
N T
GND
1
2
CN1
5
(1
.5m
m
)
AI
R
TE
MP
1
2
3
z
G
o
z
1
2
S
C
X
-4932F
N
ON
LY
j
v
h
{
z
i
|
ly
zwl
h
rl
y
1
2
ͺ΄
ͦ͢
ͩͣ
mn
u
k
hk
m
w
w
v
z
z
lu
h
k
mw
w
v
z
z
lu
hk
m
j
v}
l
y
vw
l
u
OU
T2
B
OU
T2
A
OU
T1
B
OU
T1
A
GN
D
GN
D
3.3V
PS
GN
D
nADF
_P
_PO
S
nADF
_C
OV
ER_
SENS
GN
D
nADF
_P
_D E
T
CN
(1
.5m
m
)
AD
F
_
IF
12
11
10
9
8
7
6
5
4
3
2
1
CI
S
΄Ͷ
ͺͲ
ͽ
͑͑
ͷ
ͽ
Ͳ
΄
͙ͩ
;
ͳ
͚
GN
D
5V
NC
1
2
3
CN
20
PAR
ALL
EL
PO
WE
R
U
SB
T
O
PA
R
AL
L
EL