Samsung ML-451 Series Service Manual page 228

5. System Diagrams
5.3. Connection Diagram2
1
2
In te rlo c k B d
3
4
5
6
7
8
To n e r S u p p ly DC Mo to r 1
MT
CCW 2
3 1
MP Em p ty
2 2
S e n s o r
1 3
1
MP Clu tc h CL
2
LS U FAN
J C31-00115A
3
ENV_S e n s o r
2
0604-001325
1
3
Exit S e n s o r
2
0604-001325
1
REAR FAN1
J C31-00088A
1 3
8 8
2 2 7
7
3 1 6 6
1 3 5 5
2 2 4 4
3 1 3 3
REAR FAN2 2 2
J C31-00088A 1 1
REAR Co ve r
Bin _Fu ll S e n s o r
Op e n S e n s o r
0604-001325
5-3
CN 1 (292166-8)
COVER OP EN
CONNECTION P BA IF (FFC)
24V1
24V1
24V1
24V1
24V1
24VS 1
24V1
24VS 1
24V1
24VS 1
24V1
5V
24VS 1
5VS
24VS 1
24VS 1
24VS 1
CN 2 (292166-2) 24VS 1
To n e r S u p p ly Mo to r 5V
5VS
24V2
EN_TONER_MOTOR
EN_TONER_MOTOR
5V_MP _P WR
DGND
n S ENS _MP _EMP TY
MP _CL
CN 3 (292166-3)
5V_P AP ER_P WR
MP Em p ty S e n s o r
DGND
5V_MP _P WR n S ENS _P _EMP TY
DGND 5V_DUP _P WR
n S ENS _MP _EMP TY DGND
n S ENS _DUP _J AM1
5V_UP _P WR
DGND
CN 4 (292166-2)
CONNECTION
n S ENS _UP LIMIT
MP Clu tc h
24VS 1
P BA
ELEV_S W_ON
MP _CL
24V2 P ICKUP _CL
DUP _RDY_CL
REGI_CL
24V2
24V2
24V2
DGND
DGND
DGND
DGND
(N.C)
(N.C)
WNIC Op tio n Kit
CN 2
LS U FAN(2.0m m )
1 FB_LS U_FAN(N.C)
2 DGND
3 P WM_LS U_FAN
CN 5
REAR COVER I/F(2.0m m )
1 3.3V
2 DGND
3 n S ENS _ENVELOP
4 3.3V
5 DGND
6 n S ES N_EXIT
HVP S P BA
CN 5
REAR COVER I/F(2.0m m )
1 P WM_REAR_FAN1
2 FB_REAR_FAN1
3 DGND
4 P WM_REAR_FAN2
5 FB_REAR_FAN2
6 DGND
7 DGND
8 REAR_COVER_OP EN
9 3.3V
3
10 DGND
2
11 n S ENS _BIN_FULL
1
CN 8
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
31
32
33
34
35
36
37
38
39
40
Er a s e r
P BA
CN 1
LS U VIDEO DATA I/F (FFC)
VCC 1
H_S YNC 2
GND 3
VIDEO1+ 4
VIDEO1- 5
GND 6
S P L/HOLD1 7
S P L/HOLD2 8
GND 9
VIDEO2+ 10
VIDEO2- 11
LS U
GND 12
ENABLE 13
LD_P OWER 14
CN 2
LS U MOTOR I/F (FFC)
CLOCK 1
LD 2
S TART/S TOP 3
GND 4
VCC(24V) 5
CN 1
MAIN I/F (FFC)
P WM_DEV_AC 1
P WM_DEV_VP P 2
n EN_DEV_AC 3
3.3VP 4
24VS 1 5
24VS 1 6
DGND 7
DGND 8
DGND 9
DGND 10
n EN_THV 11
P WM_THV 12
n EN_FUS ER_BIAS 13
P WM_FUS ER_BIAS 14
P WM_S AW 15
3.3VP 16
(N.C) 17
FB_REAR_FAN1 18
MHV_READ 19
THV_READ 20
P WM_DEV_DC 21
P WM_MHV 22
DC_ENV_EN 23
DC_ENV_DIR 24
DC_ENV_BRK 25
P WM_LS U_FAN 26
24VS 1 27
n S ENS _EXIT 28
P WM_REAR_FAN 29
REAR_COVER_OP EN 30
n S ENS _BIN_FULL 31
DGND 32
n S ENS _ENV_MOT 33
P WM_REAR_FAN2 34
FB_REAR_FAN2 35
Copyright© 1995-2016 SAMSUNG. All rights reserved.
CN 10
CONNECTION P BA IF (FFC)
1 24V1
2 24V1
3 24V1
4 24V1
5 24V1
6 24VS 1
7 24VS 1
8 24VS 1
9 24VS 1
10 24VS 1
11 5V
12 5VS
13 EN_TONER_MOTOR
14 5VP
15 DGND
16 n S ENS _MP _EMP TY
17 MP _CL
18 5VP
19 DGND
20 n S ENS _P _EMP TY
21 5VP
22 DGND
23 n S ENS _DUP _J AM1
24 5VP
25 DGND
26 n S ENS _UP LIMIT
27 24VS 1
28 ELEV_S W_ON
29 P ICKUP _CL
30 DUP _RDY_CL
31 REGI_CL
32 24V2
33 24V2
34 24V2
35 DGND
36 DGND
37 DGND
38 DGND
39 (N.C)
40 (N.C)
CN 14
ERAS ER I/F (FFC)
1 EN_ERAS E
2 n ERAS ER_ABNOMAL I0
3 n ERAS ER_ABNOMAL I1
4 (N.C)
CN 18
LS U VIDEO DATA I/F (FFC)
1 5VL
2 n HS YNC
3 DGND
4 VDO0_DP
5 VDO0_DN
Main board
6 DGND
7 n S H_LS U_1
8 n S H_LS U_2
9 DGND
10 VDO1_DP
11 VDO1_DN
12 DGND
13 n LDON_LS U
14 LD_P OWER1
CN 15
LS U MOTOR I/F (FFC)
1 CLK_LS UMOT
2 n READY_LS U
3 LS U_MOT_EN
4 DGND
5 24VS 1
CN 20
WNIC US B I/F(MINI US B)
1 3.3V
2 DN_WNIC
3 DP _WNIC
4 DGND
5 DGND
CN 13
HVP S I/F (FF C)
1 P WM_DEV_AC
2 P WM_DEV_VP P
3 n EN_DEV_AC
4 3.3VP
5 24VS 1
6 24VS 1
7 DGND
8 DGND
9 DGND
10 DGND
11 n EN_THV
12 P WM_THV
13 n EN_FUS ER_BIAS
14 P WM_FUS ER_BIAS
15 P WM_S AW
16 3.3VP
17 (N.C)
18 FB_REAR_FAN1
19 MHV_READ
20 THV_READ
21 P WM_DEV_DC
22 P WM_MHV
23 DC_ENV_EN
24 DC_ENV_DIR
25 DC_ENV_BRK
26 P WM_LS U_FAN
27 24VS 1
28 n S ENS _EXIT
29 P WM_REAR_FAN
30 REAR_COVER_OP EN
31 n S ENS _BIN_FULL
32 DGND
33 n S ENS _ENV_MOT
34 P WM_REAR_FAN2
35 FB_REAR_FAN2