Read Sharp MX-1800N (serv.man19) Service Manual online
MX-1800N ELECTRICAL SECTION 11 – 9
B. Front section (P2)
CN1
(PRT
OP
FFC)
CN8
PRINTER
O
P
P
WB
T24FAZ-SMT
(PRINTER
MODEL
ONLY)
DSW-R
(Upper
m
ain
h
arness
PA)
CN4
DSW-F
PS-187-2V
PS-187
P
E
L2P
R
INT24V1
To
P14
P-GND
SPS-51T-187
5VN
R
S
M18PIN
P
B
7P-VH
To
P3
1TNFD
CN9
(FROM
-
P3)
6-179228-2
PS
L
2
P
IN
R
To
P3
To
P3
(Upper
main
harness
PA)
B30B-PHDSS-B
PNC(BLACK)
179228-2
(HL
I/F
harness
PA)
FRONT
CN3
(FROM
-
P1)
CN8
3
24V2
CN8
(FROM
-
P
1)
B12B-XL
24V2
3
CN2
B7P-VH-B
INT24V2
1
5
INT24V2
P-GND
2
6
P
-GND
4
/INT_CNT
5
7
/INT_CNT
NC
4
(DC
m
ain
harness)
1
B7P-VH-B
To
P14
2
P
-GND
3
5VNPD
B7P-VH-B
DSW_F(24V)
2
/PNC_CL
2
12
4
V
3
1
2
DSW_F(24V)
2
INT24V1
2
17
16
24V3
15
/PNC
2
D-GND
2
24V3
1
D-GND
/LED3
/LED2
/LED1
KEY6
KEY5
KEY4
LCDD0
6
L
CDD2
5
L
CDD1
9
L
CDD5
/LED3
/LED2
/LED1
KEY6
5VN
5VN
LCD_CS
3
L
CD_E
2
LCDD3
/OP_RW
LCDD4
LCDD6
11
LCDD7
D-GND
17
KEY2
16
KEY1
KEY3
15
3
DSW_R(24V)
1
24V1
2
OP_SET
DSW_R(24V)
14
DSW_R(24V)
8
10
12
5VN
LCDD7
LCDD6
4
DSW_F(24V)
1TNFD
3
1
TNFD
3
1
1
DSW_R(24V)
1
1TNFD
1
7
4
1
LCDD1
LCDD0
LCD_E
/OP_RW
LCD_CS
20
19
18
13
24
23
22
21
KEY5
KEY4
KEY3
KEY2
KEY1
OP_SET
D-GND
5VN
LCDD5
LCDD4
LCDD3
LCDD2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
TNM
WTNM_1
18
WTNM_2
9
NC
1
2
/PNC
INT24V1in
3
14
24V2
7
TH_LM_IN
NC
17
INT24V1in
7
5W
T
N
M
_
1
5
6
24V1
1
DSW_R(24V)
2
4
D
-GND
4
10
RTH_1CS_IN
WTNM_2
6
9
72
4
V
3
TH_UM_IN
PCU
PWB
11
D-GND
11
12
12
17
AC
PWB
24V2
6
18
DC
PWB
8/
P
N
C
8
WTNM_1
1
WTNM_2
2
NC
18
D-GND
TH_US_IN
5
6
7
15
15
16
16
TH_UMCS_IN
10
13
13
14
OPTION
(Waste
toner
full
detection)
(Waste
toner
motor)
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