Read Sharp MX-1800N (serv.man19) Service Manual online
MX-1800N ELECTRICAL SECTION 11 – 16
I. Paper feed unit section (P9)
PHNR-12-H
+
(Cassette
SW
harness
P
A)
P
D
F1B-24p
S
(Paper
feed
main
harness)
CN6
CPFD1
(CS1
paper
entry
detection)
(Paper
feed
unit
harness
cs1)
BU12P-TR-P-H
PHNR-3-H
CLUD1
(CS1
lift-up
d
etection)
CS1
PAPER
FEED
CPED1
(CS1
paper
empty
detection)
PHNR-3-H
UN
PHNR-3-H
DSW_C
CSPD1
PHNR-3-H
PHR-3
B24B-PHDSS-B
CSS1
(Cassette
SW
harness
PA)
C
N
4
CSS2
S4P-PH-K-S
S4P-PH-K-S
PHNR-9-H
+
CPFD2
(CS2
paper
entry
detection)
(Paper
feed
unit
harness
cs2)
BU09P-TR-P-H
(Cassette
SW
harness
P
A)
PHNR-3-H
CS2
CLUD2
(CS2
lift-up
detection)
PAPER
FEED
UN
CPED2
(CS2
paper
empty
detection)
PHNR-3-H
CSPD2
B30B-PHDSS-B
PHNR-3-H
PHR-3
PCU
PWB
2
5VN
3
D-GND
1
2
DSW_C
CSS1
CSS2
6
8
7
DRIVER
MAIN
PWB
5VNPD
5
4
5VNPD
5VNPD
25
1C
P
F
D
1
8
5
C
PED1
5
3
C
LUD1
5C
P
E
D
1
7
1C
P
F
D
1
3
C
LUD1
1
3
1
2
D-GND
CPFD1
1
2
3
D-GND
CLUD1
5VNPD
5VN
3
CPFD2
2
1
2
3
D-GND
CPED1
5VNPD
5
6
11
CPED1
5VNPD
CLUD1
2
10
9
5VNPD
5
4
12
4
9
1
D-GND
3
3
2
1
D-GND
CPFD1
5VN
D-GND
6
8
7
D-GND
DSW_C
5VN
D-GND
3
D-GND
5VNPD
1
2
CSPD2
1
2
D-GND
1
D-GND
1
D-GND
D-GND
NC
3
2
5VN
3
1
CSPD1
5VN
2
8
9
D-GND
1
1
3
9
7
D-GND
6
3
4
5
D-GND
CPED2
CPFD2
CLUD2
5VNPD
27
30
5VNPD
28
D-GND
4
5VNPD
5VNPD
19
10
11
12
1
2
3
10
D-GND
15
D-GND
13
D-GND
14
D-GND
D-GND
8
D-GND
6
5VNPD
23
D-GND
5
5VNPD
22
5VN
24
D-GND
5VN
20
D-GND
1
5VN
21
5VNPD
7
5VNPD
29
5VNPD
D-GND
17
D-GND
16
D-GND
12
5VNPD
26
11
D-GND
9
D-GND
D-GND
21
CPWD11
23
CPWD12
2C
P
F
D
2
19
CSS14
12
CSS21
14
CSS22
16
CSS23
7D
S
W
_
C
9C
S
P
D
1
11
CSS1
10
CSS2
17
CSS13
13
CSS11
15
CSS12
18
CSS24
22
CPWD21
6C
P
E
D
2
8C
S
P
D
2
4
C
LUD2
7
D
SW_C
9C
S
P
D
1
11
CPWD11
13
CPWD12
15
CSS1
16
CSS2
2C
P
F
D
2
18
CSS21
21
CSS13
23
CSS14
17
CSS11
CSS23
6C
P
E
D
2
24
CSS24
20
CSS22
19
CSS12
12
7
16
17
9
11
13
15
4
6
10
2
19
21
23
12
10
CSPD2
4
C
LUD2
CPWD21
14
CPWD22
14
CPWD22
24
20
22
24
18
22
3
CLUD2
2
5VNPD
3
D-GND
1
2
CPED2
5VNPD
NC
4
20
NC
NC
8
2
18
D-GND
3
NC
4
8
NC
3
(CS1
paper
remaining
quantity
detection)
(CS2
paper
remaining
quantity
detection)
(CS1
cassette
installation
detection)
(Right
lower
door
open/close
d
etection)
(CS2
cassette
installation
detection)
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