Brother IntelliFax-3550 Service Manual page 173

1
+ 2 4 V
P 4
L 4
S E N S
B L M 1 1 A 2 0
3
A
3
1
2
C 1 3 7
1 Q 1 7
C C 1 0 2
D T D 1 1 3 Z K
2 4 R E T
2 4 R E T
* R 7 9 L L 1 2 1
R 2 0 2
* R 7 6
8
1 5 0 * R 7 8 2 0 0
1 0
* R 7 7 2 0 0
9
* R 7 5 2 0 0
7
4 R 5 V
6
R 0 V
5
C 8 1
C C 1 0 4
B
R 0 V
+ 5 V
R 7 3
R 6 8
2 2 K
2 2 K
1 1
2
B 1 1 B - P H
+ 5 V
C
L 5
B L M 1 1 A 2 0
P 5
B 5 B - P H
5
1
3
2
4
P A N E L
D
S 0 V
1
2
+ 5 V
R 7 4
0
R 1 9 9 1 K
L E D
1 4 C
C 1 3 9
C 7 9
C C 1 0 2
R 5 V
1 0 4
2 4 R E T
R 0 V
S H
1 3 B
R B
1 3 B
C L 2
1 3 B
C L 1 R 5 V
1 3 B
T G
1 3 B
D 4
1 S S 1 3 3
A P 0
3 5 B
V I D
3 5 B
C 3
C 7 8
*
1 6 V /
R 0 V
R 7 2
M F C 7 6 5 0
1 K
F S E N
1 4 A
R 6 9
1 K
R S E N
1 4 A
C 8 2
C 7 7
C C 1 0 2
C C 1 0 2
S 0 V
R 1 2 5
4 . 7 K
R 1 2 7 1 0 0
R 1 2 6 1 0 0
C 1 1 4
C 1 1 6 C 1 1 7
C 1 1 5
C C 1 0 2
C C 1 0 1 C C 1 0 2
C C 1 0 2
S 0 V
2
3 4
R 5 V
R 6 0
1 0 0
R 5 7
3 0 0
R 6 1
1 0 0
R 0 V
C 8 0
C 4
C C 1 0 4
1 6 V / 1 0
R 5 V
R 0 V
R 5 9
2 0 0
1 0
R 5 8
3 0 0 R 5 V
C 6 8
C C 1 0 4
R 0 V
R 0 V
C S I P
1 3 B
A 9
1 1 C
P C L K
1 3 A
S D O U T
1 3 A
S D I N
1 3 A
3 4
5
C 7 2 C 6 9
C C 1 0 4 C C 1 0 4
R 1 7 1
1 K
R O V
*
R 1 7
* # 6
0
L C 8 2 1 0 2 / 1 0 3
4 2 1 0
D A R E F H V D D
3 8 2 4
D A R E F L V D D
V I D 3 9 5 6
3 2 B A I N V D D
4 0
T E M P
4 1 9
A T A P G N D
3 7 1 7
A D R E F L G N D
2 6
G N D
A P 0 4 5 4 9
3 3 B A P 0 G N D
4 4 6 4
A P 1 G N D
4 3 4 7
A V D D S D / P D 7
+ 5 V R 6 3
3 5 4 8
A P 2 P D 6
2 2 K
3 4 5 0
C 7 0
A P 3 P D 5
C C 1 0 4
3 6 5 1
A G N D P D 4
S 0 V 4 6 5 2
A G N D P D 3
5 3
P D 2
T G 3 1 5 4
1 3 B T R I G P D 1
S M P C
3 0 5 5
1 3 A I C L K P D 0
2 9 5 7
I O C S D A C K
R 5 5 *
R 3 1
2 8 5 8
( )
M C S D R E Q
A 1 0 2 7 5 9
I O E M T P
R 3 0
* R 5 6 0
S A 1 2 2 3
M E
R D 2 2 3 3
1 2 B R D S A M P
L W R 2 1 6 2
1 2 B W R R S
C L K 2 4 2 5 6 3
1 3 B
C L K I N S H
R S 3 2 6 1
R E S E T C L K 1
R 1 8 8 1 K
6 0
C L K 2
C 3 1
A 0
2 0
A 0
C C 1 0 2
A 1 1 9 8 D 0
A 1 D 0
A 2 D 1
1 8 7
A 2 D 1
S 0 V
A 3 1 6 6 D 2
A 3 D 2
A 4 D 3
1 5 5
A 4 D 3
A 5 1 4 4 D 4
A 5 D 4
A 6 D 5
1 3 3
A 6 D 5
A 7 1 2 2 D 6
A 7 D 6
A 8 D 7
A B U S 1 1 1
A 8 D 7
A
5
6
A
+ 5 V
A 1 1
* R 1 6
+ 5 V
0
C 7 3 C 6 7 C 7 1
C C 1 0 4 C C 1 0 4 C C 1 0 4
B
S 0 V
P D
1 3 B
S 0 V
2 2 K
+ 5 V
2 2 K
S A M P
( 1 6 D )
C
D B U S
D
MAIN 3/8
MFC4550plus/7650MC
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