Brother FAX-921 - Manual (Page 175)

1 5 A R A S
1 5 A R M R D
G N D + 5 V
8
6
7
4
1
2
3
V C C V S S
S C L
S D A
T E S T A 2
A 1
A 0
# 8
1 5 B E P C K
1 5 B E P D O
C 2 4
C C 1 0 4
V P P
- C E
- O E
A 1 8
A 1 6
A 1 5
A 1 4
A 1 3
A 1 2
A 1 1
A 1 0
A 9
A 8
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
D 7
D 6
D 5
D 4
D 3
D 2
D 1
D 0
V C C
G N D
G N D + 5 V
1 5 A R O M C
1 5 A R M R D
1
3 2
2 2
2 4
1 2
1 1
1 0
9
8
7
6
5
2 7
2 6
2 3
2 5
4
2 8
2 9
1 6
1 3
1 4
1 5
1 7
1 8 3
2
3 1
1 9
2 0
2 1
# 1
P D 2 7 C 2 0 0 1 B - 1 5
A 0
A 1
A 2
A 3
A 4
A 5
A 6
A 7
A 8
A 9
A 1 0
A 1 1
A 1 2
A 1 3
A 1 4
A 1 5
A 1 6
P G M D 7
D 6
D 5
D 4
D 3
D 2
D 1
D 0
C 6 3
C C 1 0 4
5
R 3 6
4 . 7 k
O U T 3
I 0
I N 3
C / R
O U T 2
8 1 7
2 5
7
2 1
1
1 5
2 8
2 9
3 0
# 3
M T D 2 0 0 2 F
1 1
2 0
V S A
R S A
V S B
R S B
2 3
4
2 2
V R
I N 1
I N 2
M T I 1
2 6
I 1
1 8
I N 4
1 6
+ 2 5 V
1 3
3
5
6
9
1 0
1 2
1 9
2 4
O U T 4
N C
C 7 0
C C 1 0 4
P 0 V
C 7 4
C C 1 0 4
G N D
V M M
V M M
V C C
V C C
G N D
R 2
1 / 2 W
1
R 8 2
2 0 K
1 4
2
O U T 1
2 7 M M 1
M M 3
M M 2
M B U S 1 6 B
N C
N C
N C
N C
N C
N C
N C
+ 2 5 V
S O L
1
2
P 4
B 2 B - P H
B L U E
S O L 1 6 D
G N D
Q 1 0
D T D 1 1 3 Z K
D 2
1 S S 1 2 0
P 3
B 6 B - P H
W H I T E
M O T O R
3
4
2
6
5
1
C 2
3 5 V / 2 2 0
1 0 5 C
C 7 5
5 0 v
C C 1 0 4
+ 5 V
P 0 V
+ 5 V
R 1
1 / 2 W
1
C 7 1
C C 3 3 2 B
A 9
A 8
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
N C
V C C
D Q 5
D Q 7
D Q 8
D Q 6
- R A S
- C A S
- W E
- O E
A 9
A 8
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
D 4
D 5
D 6
D 7
1 4
8
2 3
7
2 2
1 0
1 1
1 2
1 3
1 6
1 7
1 8
1 9
2 0
9
2 7
2 6
2 5
2 4
2 1
G N D + 5 V
# 2
H M 5 1 4 8 0 0 J P
C 6 6
C C 1 0 4
2
3
D Q 1
D Q 3
D Q 4
D Q 2
D 0
D 1
D 2
D 3 5
4
1
V C C
1 5
V S S
V S S
N C
2 8
6
1 5 A C A S
1 5 A R M W E
1 6 C D B A S
1 6 D A B A S
M M 4
M T I 0
P S
5
1
4
2
P 2
I M S A - 9 1 1 0 S - 0 5 L
P 0 V
+ 2 5 V
C 1
1 6 V 4 7
C 7 6
*
+ 5 V
G N D
R 8 6
*
A 1 7 3 0
A 1 7
3
R 4 3 1 0 0
R 6 1 0 0
1 2 3 4 5 6 7 8
2 1 3 4 5 6 7 8
A
B
C
D
E
F
A
B
C
D
E
F
A
Main PCB 2/5
(FAX750/FAX770/FAX-910/
FAX-920/FAX-921/MFC-925)