Brother MFC7050C Service Manual page 142

Facsimile equipment
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1
P 2
N C U 1
+ 5 V
+ 3 0 V
Q 2 5
1 0
D T C 1 1 4 Y K A
3
C 2 5 7
C C 1 0 2
S O V
C 2 5 6
1 2
1
C C 1 0 2
A
3 0 R E T
L 2 0
0
C M L L
S O V
8
R 2 5 1
Q 2 7
5 6 0
D T A 1 1 4 Y K
3
+ 3 . 3 V
R 2 6 7
R 2 6 8
1 K
2 2 K
T L O F
2
3 3 C
C I
3 3 C
4
C 2 4 1
C 2 4 0
C C 1 0 3
C C 1 0 3
L 1 7
S O V
0
9
L 1 8
R 3 0 0
B
0
4 . 7 K
T L S L
5
L 1 6
R 3 0 2
R 3 0 1
1 6 0 8 L L 1 2 1
1 K
1 K
R L 1
6
4 3 B
L 1 5
Q 3 3
1 6 0 8 L L 1 2 1
R L 2
D T C 1 1 4 Y K A
4 3 B
7
T L S W
S 0 V
1 1
M O V
L 1 9
R 2 7 3
1 6 0 8 L L 1 2 1
1 . 5 K
1
Q 2 9
D T C 1 1 4 Y K
B 1 2 B - P H
R 2 7 8
M U T E
2 2 K
3 3 C
C 2 4 9
C C 1 0 4
C
3 5 B
M 0 V
P 3
N C
A D L C
1 4 B
3
R 2 8 2
N C
D A S N D
5
(
)
C 2 5 1
N C
R 2 8 1
S 0 V
N C
D A S T
4
(
)
C 2 5 0
N C
+ 3 . 3 V
S 0 V
D
D P S
1 2 C
6
E A T
R 2 8 0
1
3 3 C
1 5 0 K
P O L
2
B 6 B - P H
1
2
3
2
# 2
7 4 H C 4 0 5 3
8
+ 5 V
Q 2 6
D T C 1 1 4 Y K A
P L S
1 4 A
S 0 V
C 2 3 5
C C 6 8 1
R 2 6 3
5 6 K
R 2 6 4
C 2 3 6
1 0 K
C C 1 0 4
T X O
1 3
-
3 5 B
1 4
+ 3 0 V
1 2
+
# 3
N J M 2 0 5 8
3 3 B
R 2 6 6
1 0 K
4 1 B
4 1 B
D 4
H Z U - 2 . 0 B
D 2
M T Z J Z 8 . 2
D 3
H Z U - 2 . 0 B
M O V
C 2 3 9
3 3 C
C C 1 0 2
R 2 7 1
1 0 0 K
R 2 7 5
C 2 4 8
2 0 0 K
C C 1 0 3
A O U T
6
-
3 3 C
7
+
5
# 3
R 2 7 2
N J M 2 0 5 8
1 K
R 2 6 0
D
1 0 K
D A R E C
G
1 4 A
S
R 2 6 2
Q 2 8
C 2 3 1
R 2 5 7
2 . 2 K
2 S K 2 0 8
C C 1 0 4
2 2 K
A R E F
S 0 V
S 0 V
T L S W
3 3 C
1 1 B
3 3 C
3 3 C
2
3
4
M 5 V
+ 3 0 V
1 6
4
# 3
C 2 2 7
C 2 4 4
N J M 2 0 5 8
C C 1 0 4
C C 1 0 4
( 2 1 2 5 )
7
6
1 1
M O V
M 0 V
M 5 V
R 2 4 9
1 0 K
Q 2 4
D T C 1 1 4 Y K A
M O V
1 0
C N T
R L 2
1
1
1 5
C
R L 1
2
0
# 2
7 4 H C 4 0 5 3
R 2 9 2
1 0 0 K
+ 3 . 3 V
5
1
2
# 3 0
C 2 6 8
4
T C 7 S 6 6 F
C C 1 0 4
S P V O L
3
1 4 A
M O V
S O V
4
5
+ 3 . 3 V
# 8
R 1 9 7
I C N J M 2 1 1 3 M
2 2 K
S P O N
1
1 4 A
V +
C D
C 5
2
V R E F
1 6 V / 1 0
3
S O V
G N D
+ V I N
R 1 9 9
R 2 0 0
V O 2
1 0 K
1 5 K
4
V O 1
- V I N
C 1 7 8
R 1 9 8
C C 1 0 4
7 5 K
C 1 7 9
C C 3 9 1
C M L H
1 4 A
R I N
3 5 A
A O U T
3
3 3 C
5
M 5 V
R 2 4 2
1 0 K
R I N G
1 1 A
Q 2 3
D T C 1 1 4 Y K A
M O V
1 1
R 2 4 3
C N T
1 0 K
R 2 4 7
1 3
1
7 5 K
C
1 4
1 2
C 2 2 8
0
M O V
R 2 4 4
C C 1 0 4
2 2 K
# 2
M O V
7 4 H C 4 0 5 3
M O V
A
Main PCB 4/10
5
6
A
6
+ 5 V
C 1 7 7
C 6
C C 1 0 4
6 . 3 V / 1 0 0
P 5
7
S O V
L 8
8
1
L 9
5
2
B L M 1 1 A 2 0
x 2
S P
B 2 B - P H
M 5 V
R 2 4 5
1 0 K
Q 2 2
B
D T C 1 1 4 Y K A
R N G H
3 3 C
9
M 0 V
C N T
1
C
4
0
# 2
7 4 H C 4 0 5 3
C
R 2 4 8
N C
D
6

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