Read Sharp MX-1800N (serv.man19) Service Manual online
MX-1800N ELECTRICAL SECTION 11 – 7
G. DC power line diagram
HL
_
P
R
L
N_HL(M
AIN
)
N_
HL
(L
O
W
)
5V
N
N_
HL
(SUB)
3
.3V
5V
N
12
V
2
4V3
5V
L
5V
O
D
-GND
D
-GND
5V
L
P
-GND
MOTHER
PWB
24
V
2
D
-GND
P
-GND
PC
U
P
W
B
2
4V3
FW
12
V
P
-GND
5V
N
3
.3V
2
4V1
D
-GND
AC
P
W
B
24
V
2
INT24V2
/
INT_CNT
P-
G
N
D
I
NT24V1
MC
PWB
1
stTC
PWB
INT24V2
P-GND
PF
M
24
V
1
DV
M
_
B
K
D
V
M_CL
P-
G
N
D
P-GND
P-
G
N
D
P-
G
N
D
I
NT24V2
INT24V2
I
N
T24V2
I
N
T24V2
P-
G
N
D
IN
T
2
4
V
2
DRIVER
SUB
P
WB
DRIVER
MAIN
PWB
2n
d
T
C
P
W
B
IN
T
2
4
V
2
P-
G
N
D
I
NT24V1
IN
T24V1
INT24V1
I
N
T24V1
P-GND
P-GND
5V
N
5
V
N
5V
N
PS
F
M
PS
M
FU
M
PO
M
AD
U
L
M
DM
_
B
K
DM
_
C
L
OS
M
/
INT_CNT
24
V
2
24
V
2
HL
P
W
B
I
N
T24V1
P-
G
N
D
H
L
(MAIN)
H
L
(LOW)
HD
D
12
V
5V
N
D-
G
N
D
D-
G
N
D
LS
U
PW
B
24
V
3
5V
N
3.
3
V
P-
G
N
D
D-
G
N
D
D-
G
N
D
PM
2
4V3
P-
G
N
D
5V
_
L
D
5
V
_
L
D
LD
_
B
K
LD
_
C
LD
_
M
LD
_
Y
5V
_
L
D
D-
G
N
D
5V
_
L
D
5V
L
5V
O
3.
3
V
12
V
D-
G
N
D
MFPC
PWB
24
V
3
P-
G
N
D
12
V
5V
N
3
.3V
D-
G
N
D
24
V
3
P-
G
N
D
12
V
5V
N
3.
3
V
D-
G
N
D
SCAN
CNT
PWB
5V
O
5V
O
KE
Y
O
P
PW
B
5V
N
5V
O
3
.3V
D-
G
N
D
OR
S
P
D
PW
B
5V
N
D-
G
N
D
LV
DS
PW
B
2
4
V_EXT
3
.3V_EXT
D-
G
N
D
LC
D
P
W
B
3.
3
V
D-
G
N
D
P-
G
N
D
P-
G
N
D
24
V
INVERTOR
PWB
D-GND
A
3
.3V
C
C
D
P
WB
A1
2
V
A5
V
CL
INVERTOR
PWB
P-GND
24
V
CL
IN
T
2
4
V
1
IN
T
2
4
V
1
ORS
LED
PWB
24
V
1
24
V
_
E
X
T
5
V
_EXT
P-
G
N
D
AV
C
C
5V
P
D
D-
G
N
D
2
4
V_EXT
5
V
_EXT
P-
G
N
D
AV
C
C
5V
P
D
D-
G
N
D
R
S
P
F
U
N
C
A
RD
READER
5V
D-
G
N
D
12
V
P-
G
N
D
5V
N
3.
3
V
D-
G
N
D
FA
X
MA
IN
PW
B
TE
L
LI
U
PW
B
12
V
3.
3
V
5V
S
5V
D-G
N
D
A-
G
N
D
FI
NISHER
5V
N
2
4V5
P
-GND
D-
G
N
D
24
V
5
P-
G
N
D
5V
N
D-
G
N
D
5V
N
2
4V4
P
-GND
D
-GND
D-
G
N
D
5
V
N
D
ESK
P-GND
24
V
4
D-GND
D-GND
D-
G
N
D
P-
G
N
D
D-
G
N
D
5V
O
5V
L
5V
L
3
.3V
24
V
3
12
V
5V
N
D-
G
N
D
24
V
1
P-
G
N
D
12
V
P-
G
N
D
D-
G
N
D
5V
N
D-
G
N
D
24
V
3
3
.3V
FW
5VN
P
D
5V
N
P
D
R
D
I/F
PWB
D-GND
D-
G
N
D
5V
N
5V
N
P
D
PS
U
INT24V2
option
o
p
tion
D
O
CUMENT
CONTROL
P
WB
D-
G
N
D
5V
N
3.
3
V
D-
G
N
D
o
ption
5V
N
3
.3V
D-
G
N
D
D-
G
N
D
5
V_LD
24
V
3
P-
G
N
D
5V
N
3
.3V
D-
G
N
D
D-
G
N
D
2
4V2
L
S
USS_B
L
S
USS_C
IN
T
2
4
V
1
IN
T
2
4
V
1
op
ti
o
n
INT24V1
HL
(S
U
B
)
F
205
FU
S
E
F
204
FU
S
E
F
201
FU
S
E
RD
S
W
F
203
FU
S
E
FD
S
W
F
202
FU
S
E
FET
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