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4
1
3
5
6
2
4
1
3
5
6
2
A
B
CD
E
F
G
H
I
A
B
CD
EF
G
H
I
Q1
6
R
N
142
7
D1
0
S1G
PGND
TXD
CN9
-2
RXD
CN9
-3
BTR
CN9
-4
BSR
CN9
-5
RESET
CN9
-6
SGND
CN9
-1
+5
V
CN6
-3
SGND
CN6
-4
AGND
CN2
-6
DFMRS
CN2
-5
SGND
CN2
-4
+5
V
CN1
-1
0
DED
CN1
-1
2
SGND
CN1
-1
1
ZD1
6.
2V
DC+2
4
V
CN6
-1
PGND
CN6
-2
C5
5
47
µ F
C5
0
0.
1µ F
+5
V
PGND
DC+2
4
V
+5
V
1
2
IC
5-
1
H
D
74L
S06
F
P
4
3
3
4
IC
5-
2
H
D
74L
S06
F
P
+5
V
R5
1
4.7K
C3
10
00PF
TP1
8
+5
V
C4
3
0.1µ F
D9
S1G
C1
2
0.
010
µ F
C3
1
47
µ F
2
1
C2
10
00PF
R7
7
4.
7K
IC
4-
1
TC
74
H
C
14AF
IC
4-
2
TC
74
H
C
14AF
R5
2
D6
DSA010
4.
7K
R3
0
10
K
R5
8
4.7K
Q5
2SC
2
712
C4
4
0.
1µ F
R6
1
4.
7K
R5
9
4.
7K
R5
7
4.
7K
DFD
CN3
-5
+5
v
CN3
-4
DFDL
ED
CN3
-6
+5
v
TL
P122
5
10
11
IC
4-
5
TC
74
H
C
14AF
1
7
6
C2
4
33
00PF
AGND
R5
5
4.
7K
+5
V
AGND
+5
V
R1
1
10
K
TP1
3
+5
V
AN+24V
R8
1
2.
0K
C1
4
0.
10µ
F
R5
6
4.
7K
R6
6
4.
7K
R4
6
10
0K
IC
9-
2
µ PC
339
G2
R7
9
22
K
TP1
2
+5
V
R5
4
4.
7K
5
6
1
R8
7
10
K
Q4
2SC
2
712
IC
13
-2
µ PC
358
G2
R9
3
10
0
C6
10
00PF
DTFDA
DFDOUT
DFMRS
TXD
RXD
DTR
DSR
RESET
DTD
CN3
-2
+5
v
CN3
-1
DTDL
ED
CN3
-3
2
5
4
AGND
AGND
R1
0
10
K
+5
V
AN+24V
R8
0
2.
0K
C1
9
0.
10µ
F
R9
5
2.
0K
R4
5
10
0K
IC
9-
1
µ PC
339
G2
R7
8
22
K
+5
V
R5
3
4.
7K
3
2
1
R8
6
10
K
Q3
2SC
2
712
IC
13
-1
µ PC
358
G2
R9
4
10
0
C5
10
00PF
DTDDA
DTDOUT
+5
V
CN3
-7
DMS
CN3
-9
SGND
CN3
-8
NC
CN3
-1
0
TP2
4
+5
V
Q1
2
FN
1L
3M
R2
9
15
K
R1
00
18
0
R3
3
10
K
R4
7
15
0K
C2
1
0.
010
µ F
R3
4
10
K
DWMR
DL
S1
DL
S2
DL
S3
DSS
DWS
DTD
DFD
TL
P124
0
+5
V
CN2
-1
DSS
CN2
-3
SGND
CN2
-2
+5
V
R1
01
18
0
R1
15
15
K
R2
3
10
K
C1
6
0.
010
µ F
IC
4-
4
TC
74
H
C
14AF
9
8
C2
3
0.
010
µ F
R3
8
10
K
+5
V
CN1
-7
DL
S2
CN1
-9
SGND
CN1
-8
C1
8
0.
010
µ F
R3
6
10
K
+5
V
CN1
-4
DL
S1
CN1
-6
SGND
CN1
-5
C1
7
0.
010
µ F
R3
5
10
K
+5
V
+5
V
+5
V
CN1
-1
DWR
CN1
-2
SGND
CN1
-3
R7
6
1.
0M
R6
5
4.
7K
R7
1
4.
7K
+5
V
+5
V
TL
P124
0
G
P
1A25
LC
G
P
1A25
LC
G
P
1A25
LC
R2
1
10
K
R2
2
10
K
R4
3
10
K
+5
V
R6
8
14
.7K
R1
05
20
K
ZD
3
16
V
+2
4V
C5
6
0.22µ
F
R9
2
4.7
13
12
IC
4-
6
TC
74
H
C
14AF
Q1
0
FA1
L3N
FA1
L3N
Q9
PGND
R8
3
1.
0K
R1
06
2.
0K
Q1
3
2SJ
2
6
5
C8
10
00PF
DC+2
4
V
CN8
-6
FAN
CN8
-7
DC+2
4
V
TP4
8
R8
5
1.0K
FANPW
M
AG
ND
DC+2
4
V
C2
9
0.
10µ
F
C5
7
4.
7µ F
R1
18
10
AN+24V
Tray or
igi
nal
wi
dth VR
Ori
g
inal
len
g
th
sens
or 1
Ori
g
inal
len
g
th
sens
or 2
Thir
d sheet
sens
or
Ori
g
inal
set
sens
or
Ori
g
inal
wi
dth
sens
or
Ori
g
inal
ti
m
ing
sens
or
Ori
g
inal
feed
sens
or
Paper
fee
d
m
o
to
r
rot
a
ti
on s
ensor
Com
muni
cati
on
si
gnal
l
in
e
Power suppl
y
Fan motor
CONTROL PWB CIRCUIT DIAGRAM 2 (SF-
A56)
C4
5
1.
0µ F
C5
9
1.
0µ F
C6
0
1.
0µ F
C5
2
1.
0µ F
C3
5
0.
1µ F
C5
1
1.
0µ F
C3
6
0.
1µ F
C4
7
0.
1µ F
C4
8
C6
1
1.
0µ F
C4
1
1.0µ F
1
.0µ F
C6
2
1.
0µ F
C5
8
1.
0µ F
+5
V
AN+24V
C2
5
0.10µ
F
C3
0
0.
10µ
F
E2ROM
+
5V
C3
8
0.
1µ F
AGND
6
5
7
IC
1
4
-2
µ PC
58G
2
5
9
13
6
8
12
IC
4
-3
HD7
4L
S0
6F
P
IC
5
-4
IC
5
-6
HD7
4L
S0
6F
P
HD7
4L
S0
6F
P
TP3
8
C1
3
0.
010
µ F
R6
0
4.
7K
TP8
TP7
TP9
+5
V
GND
DC+2
4
V
PGND
11
10
IC
5
-5
HD7
4L
S0
6F
P
ZD6
18
V
ZD7
18
V
+5
V
+5
V
AUOD
R1
0
10
K
R1
3
10
K
F
GOD
Q7
FA1
L3N
FA1
L3N
Q8
ADF open/cl
ose
swi
tch
Paper
fee
d
gui
de
open/c
lose s
w
it
ch
NC
CN5
-9
DC+2
4
V
CN5
-8
AUOD
CN5
-7
DC+2
4
V
CN5
-6
F
GOD
CN5
-5
DC+2
4
V
FD+2
4V
+5
V
T
GOD
R4
0
10
K
Q1
1
FA1
L3N
T
GOD
CN7
-2
AUOD
CN7
-1
ZD5
18
V
Revers
e gui
de
open/c
lose s
w
it
ch
+5
V
R2
5
4.
7K
PGND
FD+2
4V
R4
4
4.
7K
PGND
C4
0
47
µ F
AGN
D
C2
6
0.
10µ
F
AN+24v
CN8
-1
CN8
-2
+5
V
C1
5
0.
10µ
F
AGND
R1
08
2.
2K
TP5
0
CN8
-3
RDD
RDDL
ED
13
10
11
AGND
R7
2
4.
7K
R4
8
10
0K
IC
9
-4
µ PC
339
G
2
+5
V
R7
3
4.
7K
Q1
7
FA1
L3M
AGND
R6
3
1.
5K
R7
4
3.
0K
R3
2
10
K
R7
0
10
K
AGND
R6
4
10
K
+5
V
D4
SB0
2-03
Q
1
2
3
R6
10
K
R7
10
K
IC
1
4
-1
µ PC
358
G
2
AGND
AGND
C2
2
0.
010
µ F
R1
07
2.
2K
TP4
7
TP1
4
AGND
C2
0
0.10µ
F
C4
6
0.
10µ
F
R3
1
4.
7K
Revers
e sens
or
RDD
RDDL
ED
RDDO
UT
RDDPWM
– 44 –
Содержание SF-A18
Страница 42: ...CONTROL PWB SF A18 41 LED PWB SENSOR PWB ...
Страница 46: ...CONTROL PWB SF A57 LED PWB SENSOR PWB 45 ...