Sharp MX-3500N / MX-3501N / MX-4500N / MX-4501N (serv.man12) Service Manual ▷ View online
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
MX3501N ELECTRICAL SECTION 9 – 2
B. Upper transport section
C. Lower transport section
D_SPPD2
1
SGND
2
3
3
5V
B3B-PH-K-S
24V_TR
D_SPFMB
D_SPF
M/B
/D_STMP
24V_TR
/D_STRRBC
24V_TR
/D_STRRC
1
SGND
D_STSET
24V_TR
PGND
FAN_LOCK
NC(
FAN
_PWM)
/D_SRRC
24V_TR
D_SPF
M/A
D_SPF
MA
24V_SPFM
6
7
8
/D_SRRBC
24V_TR
CN
9
24V_SPFM
3
4
5
2
/D_STRRBC
P
HNR-03-H+BU03P-TR-P-H
3
2
1
1
2
3
24V_
TR
P
HNR-03-H
13
14
15
16
9
10
11
12
19
20
NC
24V_TR
NC
NC
/D_STRC
23
24
17
18
25
26
27
28
NC
21
22
B
2
8
B-PHDSS-B
/D_STRC
2
1
24V_TR
1
SMR-02V-N
SMP-02V-NC
2
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
6
10
12
4
D_SOCD
GND
5V
5V
5V
5V(sensor)
D_SPPD4
D_SPPD5
GND
D_SPPD2
D_SPPD3
GND
5V
GND
D_ROCD
5
7
9
11
17
5V(sensor)
GND
GND
14
16
18
15
1
2
3
8
CN608
B18B-PHDSS-B
13
DRIVER PWB
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
STRRBC
STRC
SPPD2
SPFM
SRRC
SPPD5
SPPD4
SPPD3
SRRBC
24V_TR
D_SPFM
B
D_SPF
M/B
/D_STMP
24V_TR
/D_STRRBC
24V_TR
/D_STRRC
1
SGND
D_STSET
24V_TR
PGND
FAN_LOCK
NC(
F
AN
_PWM)
/D_SRRC
24V_TR
D_SPF
M/A
D_SPF
MA
24V_SPF
M
6
7
8
/D_SRRBC
24V_TR
CN
9
24V_SPF
M
3
4
5
2
SM
P-0
6
V-N
C
/D_SRRBC
SMR-0
6
V-N
24V_
TR
P
HNR-03-H+BU03P-TR-P-H
3
1
2
2
1
3
P
HNR-03-H
13
14
15
16
9
10
11
12
19
20
NC
24V_TR
NC
NC
/D_STRC
23
24
17
18
25
26
27
28
NC
21
22
B
2
8
B
-PHDSS-B
1
D_
SPFM
SPFM
B
1
2
D_
SPF
SPF
M/B
2
3
D_
SPF
SPF
M/A
3
4
D_
SPF
SPF
MA
4
5
24V_
SPF
M
5
6
24V_
SPF
M
6
P
H
NR-03-H+BU03P-TR-P-H
P
H
NR-03-H
21
22
23
24
25
26
B
2
6
B
-PHDSS-B
P
GND
20
21
22
23
16
17
18
19
12
13
14
15
5
6
7
6
10
12
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
SPO
M_
DIR
D_SELOUT
9
VAREF
11
4
8
SGND
1
2
3
CN
609
DSPF CNT PWB
2
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
N
D
24V
PG
N
D
D_SPOM_VREF1
3
D_SPOM_VREF2
4
24V
PG
N
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
5V
3
3
2
1
D_
SPU
SPU
M_I
N
/B
D_SLUMA
D_
SPO
SPO
M_ENA
D_
SPO
SPO
M_
STEP
D_
SPO
SPO
M_
MODE
2
D_SPPD5
D_SULM/A
D_SLUMB
D_SLUM/B
D_SPOD
D_
SPU
SPU
M_I
N
A
D_
SPU
SPU
M_I
N
/A
D_
SPU
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
STEP
D_
SPO
SPO
M_
MODE
MODE
P
GND
24V
D_
SPO
M_
DIR
24V
PG
N
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_SPPD3
SGND
D_SOCD
GND
5V
5V
5V
5V(sensor)
D_SPPD4
D_SPPD5
GND
D_SPPD2
D_SPPD3
GND
5V
DRIVER PWB
D_RANDOM
1
2
3
4
CN
6
6
SGND
D_SPFFAN
5V
GND
D_ROCD
5
7
9
11
17
5V(sensor)
GND
GND
1
14
16
18
15
1
2
3
8
CN
6
6
0
8
B
1
8
B
-PHDSS-B
1
13
3
5V
B3B-PH-K-S
1
SGND
2
3
5V
D_SPPD4
2
3
5V
D_SPPD5
B3B-PH-K-S
B3B-PH-K-S
1
SGND
MX3501N ELECTRICAL SECTION 9 – 3
D. Optical section
E. Peper exit section
DSPF COPY LUMP
DSPFCNT
PWB
2
1
1
3
4
5
4
5
5597-05CPB7F
24V
24V
LAMP
PGND
24V
LAMP
PGND
1
2
5
4
3
4
3
CL-INV-R
PGND
PGND
PGND
PGND
PGND
1
2
2
24V
PGND
CN130
24V
LAMP
LAMP
SPOD
SPOM
10
B10B-PHDSS-B
SGND
D_SPOMA
4
B4B-PH-K-S
D_SPOMB
5V(sensor)
CN2
3
4
D_SPED2
SGND
3
8
SGND
NC(SGND)
2
5V(sensor)
5V(sensor)
9
5
D_SPOM/B
D_SPOM/A
1
2
D_STLD
1
D_SPOD
6
7
D_SPOD
SGND
5V(sensor)
1
2
CN8
175487-3
DRIVER
PWB
DSPFCNT PWB
3
21
22
23
24
25
26
B 26 B-PHDSS-B
PGND
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
B24 B-PHDSS-B
D_SRRC
CN3
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
D_SELB
D_SELC
7
D_SELC
B26 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
PGND
24V
PGND
D_SPOM_VREF1
3
D_SPOM_VREF2
4
24V
PGND
D_SPUM_VREF
D_SPFM_VREF
D_SPUM_VREF
CN610
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_IN/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_INA
D_SPU M_IN/A
D_SPU M_INB
D_SPU M_INA
SGND
D_SPPD1
D_SPU M_IN/A
D_SOCV
D_SPOD
D_SPU M_INB
D_SPU M_IN/B
D_SLUMA
D_SULM/A
D_SLUMB
D_SLUM/B
D_SPO M_ENA
D_SPO M_ STEP
D_SPO M_ MODE
PGND
24V
D_SPO M_ DIR
24V
PGND
24V
D_SPFM_M1
AGND
12
D_SPFC
13
D_SRRC
14
D_SRRBC
15
B 24 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
MX3501N ELECTRICAL SECTION 9 – 4
2. Block diagram
SCNC PWB
DSPF UNIT
DSPFcntPWB
CCD
PWB
PWB
CL
CL INVERTER
PWB
DSPF DRIVER
PWB
SPPD3
SPPD4
SPPD5
SPPD1
SPPD2
SPRANDOM
SPOD
SOCD
ROCD
SPOM
SPFFAN
SPFM
SLUM
SPUM
SPFC
SRRC
SRRBC
STRC
STMPS
STRRC
STRRBC
OPTION
SPLS1
SPLS2
SCOV
STLD
SPED1
SPED2
STUD
DSPF MEMORY PWB
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