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MX3501N ELECTRICAL SECTION 9 – 1
MX3501N
Service Manual
[9] ELECTRICAL SECTION
1. Electrical and mechanism relation diagram
A. Paper feed section
P
H
NR-03-H
P
HNR-03-H+BU03P-TR-P-H
10
9
3
P
HNR-03-H+BU03P-TR-P-H
12
13
17
CN4
SGND
5V
2
1
2
4
11
P
H
NR-03-H
1
SGND
18
14
15
16
B
1
8B-PHDSS-B
D_SOCV
5V(sensor)
D_SPED1
5
6
7
8
1
2
SGND
SGND
SGND
5V(sensor)
5V(sensor)
D_STUD
7
8
9
10
B10B-PHDSS-B
SGND
5V
D_SPPD1
B9B-PH-K-S
D_SPLS2
SGND
1
2
3
4
5
6
D_SLUM/A
2
D_SLUMB
3
D_SLUMA
4
D_SPLS1
5V(sensor)
VAREF
5V(sensor)
5V(sensor)
CN1
C
N2
3
4
D
_SPED2
D_SPWS
AGND
SGND
SGND
8
SGND
CN
5
NC(SGND)
2
5V(sensor)
5V(sensor)
9
5
4
5
6
D_SPUMB
D_SPUM/B
CN
7
B6B-PH-K-S
D_SPUM/A
D_SPUMA
24V_SPUM
24V_SPUM
1
2
3
D_SPLS1
D_SPLS2
5V(sensor)
1
2
3
SGND
D_RANDOM
24V_TR
/D_SPFC
SGND
D_STLD
1
175487-3
SGND
1
2
5V(sensor)
3
175487-3
VAREF
D_SPWS
AGND
VAREF
D_SPWS
AGND
1
2
3
3
2
1
24V_TR
5
D_SLUM/B
1
D_SPOD
6
7
D_STLD
SGND
5V(sensor)
175487-3
PHR-3
24V_TR
/D_SPFC
1
SGND
2
3
5V(sensor)
D_SPED2
SGND
5V
(sensor)
D_SPPD1
5V
(sensor)
B5B-PH-K-S
1
2
1
2
3
3
PHR-3
1
SGND
DRIVER PWB
175487-3
175487-3
1
175487-3
1
SGND
175487-3
D_SOCV
D_SPED1
1
2
SGND
3
2
SGND
3
5V
(sensor)
D_STUD
2
3
5V
D_RANDOM
2
3
5V
21
22
23
24
25
26
B
2
6
B
-PHDSS-B
PG
N
D
20
21
22
23
16
17
18
19
12
13
14
15
5
6
7
8
9
10
11
/D_STRC
5V
18
19
20
21
24
25
26
B
2
4
B
-PHDSS-B
D_SRRC
CN
3
10
AGND
D_SPFC
D_SELOUT
12
13
14
15
16
17
18
19
D_SPWS
11
4
5
6
7
8
9
10
D_
SPO
M_
DIR
D_SELOUT
9
VAREF
11
8
1
2
3
CN
609
DSPF CNT PWB
D_SELB
D_SELC
7
D_SELC
B
2
6
B
-PHDSS-B
20
D_SPFM_VREF
D_SPOM_VREF1
D_SPOM_VREF2
VAREF
D_SPWS
D_SRRBC
D_SPFM_M1
D_SPFM_M2
D_SPFM_CLK
D_SPFM_DIREC
6
D_SELB
24V
PG
N
D
24V
PG
N
D
D_SPOM_VREF1
3
D_SPOM_VREF2
4
24V
PG
N
D
D_SPUM_VREF
D_SPFM_VREF
D_SPUM_VREF
CN
610
5
D_SELA
D_SELA
1
2
D_STRRC
D_STRRBC
D_STMPS
/D_STRC
5V
SGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
D_
SPU
M_I
N
/B
D_SLUMA
D_
SPO
M_ENA
D_
SPO
M_
STEP
D_
SPO
M_
MODE
D_SULM/A
D_SLUMB
D_SLUM/B
D_SPOD
D_
SPU
M_I
N
A
D_
SPU
M_I
N
/A
D_
SPU
M_I
N
B
D_
SPU
M_I
N
A
SGND
D_SPPD1
D_
SPU
M_I
N
/A
D_SOCV
D_SPOD
D_
SPU
M_I
N
B
D_
SPU
M_I
N
/B
D_SLUMA
D_SULM/A
D_SLUMB
D_SLUM/B
D_
SPO
M_ENA
D_
SPO
M_
STEP
D_
SPO
M_
MODE
PG
N
D
24V
D_SPO
M_
DIR
24V
PG
N
D
24V
D_SPFM_M1
AGND
12
D_SPFC
13
D_SRRC
14
D_SRRBC
15
B
2
4
B
-PHDSS-B
5V
SGND
D_SPFFAN
SGND
D_SPPD1
D_RANDOM
D_SOCV
16
D_SPFM_M2
24
SGND
17
D_SPFM_CLK
22
23
D_SPFM_DIREC
D_STRRC
D_STMPS
D_STRRBC
D_RANDOM
1
2
3
4
CN6
SGND
D_SPFFAN
5V
SPUM
SLUM
SPED2
STUD
SPED1
SPFC
SCOV
SPPD1
SPRDMD
SPLS1
SPWS
SPLS2
STLD
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