Read Sharp MX-6500N / MX-7500N (serv.man27) Service Manual online
MX-7500N OPERATIONAL DESCRIPTIONS 13 – 3
2. DSPF section
A. Electrical and mechanical relation diagram
(1)
Paper feed section
P
HNR-03-H
P
HNR-03-H+B
U03P-TR-P-H
10
9
3
P
H
NR-03-H+B
U03P-TR-P-H
12
13
17
CN7
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)
VA
R
E
F
5V(sensor)
5V(sensor)
CN2
3
4
D
_SPED2
D_SPWS
AG
N
D
SGND
SGND
8
SGND
CN
4
NC(SGND)
2
5V(sensor)
5V(sensor)
9
5
4
5
6
D_SPUMB
D_SPUM/B
CN6
B
6B-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
VA
R
E
F
D_SPWS
AG
N
D
VA
R
E
F
D_SPWS
AG
N
D
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)
B
5B-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
24
25
26
12
13
14
15
16
17
18
19
4
5
6
7
8
9
10
D_
SPO
M_
DIR
11
1
2
3
CN2
DSPF CNT PWB
B
2
6
B
-PHDSS-B
20
24V
PG
N
D
24V
PG
N
D
24V
PG
N
D
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
PG
N
D
24V
D_SPO
M_
DIR
24V
PG
N
D
24V
5V
SGND
D_SPFF
AN
SGND
D_SPPD1
D_RANDOM
D_SOCV
D_RANDOM
1
2
3
4
CN8
SGND
D_SPFF
AN
5V
CN1
7
2
3
4
5
6
1
19
18
17
16
15
14
13
12
11
10
9
8
20
26
25
24
23
22
21
27
28
CN-3
B28B-PHDSS-B
D_SPUM_VREF
D_SPFM_VREF
D_SPOM_VREF1
D_SPOM_VREF2
D_SELA
D_SELB
D_SELC
D_SELOUT
3.3V
D_SPWS
AG
N
D
D_SPFC
D_SRRC
D_SRRBC
D_SPFM_M1
D_SPFM_M2
D_SPFM_CLK
D_SPFM_DIREC
D_STRRC
D_STRRBC
D_STMPS
/D_STRC
5V
SGND
5VPWM
SPED
5V0
SGND
(NC)
(NC)
7
2
3
4
5
6
1
19
18
17
16
15
14
13
12
11
10
9
8
20
26
25
24
23
22
21
25
28
D_SPUM_VREF
D_SPFM_VREF
D_SPOM_VREF1
D_SPOM_VREF2
D_SELA
D_SELB
D_SELC
D_SELOUT
3.3V
D_SPWS
AG
N
D
D_SPFC
D_SRRC
D_SRRBC
D_SPFM_M1
D_SPFM_M2
D_SPFM_CLK
D_SPFM_DIREC
D_STRRC
D_STRRBC
D_STMPS
/D_STRC
SGND
5VPWM
SPED
5V0
SGND
5V
27
(NC)
(NC)
B28B-PHDSS-B
CN-3
SPUM
SLUM
SPED2
STUD
SPED1
SPFC
SCOV
SPPD1
SPRDMD
SPLS1
SPWS
SPLS2
STLD
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