Table of Contents
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1
2
P S
A
+ 2 5 V
+ 5 V
5
1
C 1
1 6 V 4 7
2
R 1 1 7
G N D
*
4
P 0 V
3
B
P 3
I M S A - 9 1 1 0 S - 0 5 L
B A T
L 1 3
0
1
L 1 4
0
2
P 2
B 2 B - P H
B L A C K
C
M O T O R
3
4
2
6
5
1
P 4
B 6 B - P H
W H I T E
+ 5 V
D
R 1 2 3
2 0 K
C 1 0 7
C C 3 3 2 B
R 3
R 4
1 / 2 W
1 / 2 W
1
1
E
S O L
+ 2 5 V
1
Q 1 0
D 1
D T D 1 1 3 Z K
1 S S 1 2 0
2
P 5
B 2 B - P H
B L U E
F
G N D
1
2
3
C 9 6
C C 1 0 4
+ 5 V
Q 1 1
R H 5 R A 4 7
D A 1
I N
O U T
1 S S 3 7 8
G N D
R 1 1 6
1 K
C 9 4
C 2
C C 1 0 4
1 6 V 4 7
G N D
G N D
# 6
M T D 2 0 0 2 F
M B U S
1 7 B
2
2 7
M M 1
O U T 1
I N 1
7
2 6
M M 3
O U T 2
I N 2
8
1 7
M M 2
O U T 3
I N 3
M M 4
1 3
1 6
O U T 4
I N 4
3
N C
5
N C
6
2 5
N C
I 0
M T I 0
1 2 E
9
N C
1 0
1 8
N C
I 1
M T I 1
1 2 E
1 2
N C
1 9
N C
2 4
N C
+ 5 V
+ 2 5 V
1
V M M
2 2
1 4
V R
V M M
1 5
V C C
2 1
2 8
C / R
V C C
2 3
V S A
4
C 1 0 2
C 1 0 6
C 1 0 8
C 3
R S A
2 0
2 9
C C 1 0 4
C C 1 0 4
5 0 v
3 5 V / 2 2 0
V S B
G N D
C C 1 0 4
1 0 5
1 1
3 0
R S B
G N D
P 0 V
P 0 V
S O L
1 6 D
3
4
5
+ 5 V
R 2 6
4 . 7 k
8
V C C
R 1 3 9
1 0 0
6
1 6 D
E P C K
S C L
5
1 6 E
E P D O
S D A
R 1 4 0
1 0 0
7
T E S T
R 1 1 5
*
+ 5 B
1 5 A
R A S
1 5 A
C A S
1 6 C
B A R M W E
1 6 C
B A R M R D
+ 5 B
# 2
*
1 3
V C C
4
- R A S
2 3
- C A S
3
- W E
2 2
- O E
D A 0
9
A 0
1 0
D A 1
A 1
D A 2
1 1
A 2
D A 3
1 2
A 3
D A 4
1 4
A 4
1 5
D A 5
A 5
D A 6
1 6
A 6
D A 7
1 7
A 7
D A 8
1 8
A 8
5
C
D A 9
A 9
1 4 D
D A B U S
1 4 E
D B A S
4
5
6
7
G N D
C 2 8
C C 1 0 4
+ 5 V
4
V S S
1
R 1 4 1
A 0
1 6 B
R O M C
*
1 6 A
R M R D
2
A 1
3
A 0
A 2
R 1 4 2
A 1
0
A 2
D A 9
1 4 D
D A B U S
A 3
# 1 2
A 4
A 5
A 6
A 7
A 8
A 9
A 1 0
A 1 1
1 7 D
A B U S
D A 3
D A 4
D A 5
D A 6
D A 7
D A 8
C 9 5
G N D
+ 5 B
C 9 8
G N D
*
*
# 4
*
2 6
1 3
2 6
V S S
V C C
V S S
4
- R A S
2 3
- C A S
3
- W E
2 2
- O E
1
D 0
D A 0
9
1
D 4
D Q 1
A 0
D Q 1
2
D 1
1 0
2
D 5
D A 1
D Q 2
A 1
D Q 2
D 2
D 6
2 4
D A 2
1 1
2 4
D Q 3
A 2
D Q 3
D 3
D 7
2 5
D A 3
1 2
2 5
D Q 4
A 3
D Q 4
D A 4
1 4
A 4
1 5
D A 5
A 5
D A 6
1 6
A 6
D A 7
1 7
A 7
D A 8
1 8
A 8
5
D A 9
A 9
A
6
7
8
A
+ 5 V
C 8 0
G N D
C C 1 0 4
# 1
P D 2 7 C 2 0 0 1 B - 1 5
1
1 6
V P P
G N D
3 2
V C C
2 2
- C E
2 4
- O E
3 1
- P G M
1 2
A 0
1 1
A 1
1 0
A 2
9
A 3
8
A 4
B
7
A 5
6
A 6
5
A 7
2 7
A 8
2 6
A 9
2 3
A 1 0
D 0
2 5
1 3
A 1 1
D 0
4
1 4
D 1
A 1 2
D 1
2 8
1 5
D 2
A 1 3
D 2
2 9
1 7
D 3
A 1 4
D 3
3
1 8
D 4
A 1 5
D 4
2
1 9
D 5
A 1 6
D 5
3 0
2 0
D 6
A 1 7
D 6
2 1
D 7
D 7
C
+ 5 B
C 9 7
G N D
* C C 1 0 4
# 3
* H M 5 1 4 8 0 0 J P
1
1 5
V C C
V S S
1 4
2 8
V C C
V S S
8
- R A S
2 3
6
- C A S
N C
7
2 1
D
- W E
N C
2 2
- O E
D A 0
1 0
2
D 0
A 0
D Q 1
1 1
3
D 1
D A 1
A 1
D Q 2
D 2
D A 2
1 2
4
A 2
D Q 3
D 3
D A 3
1 3
5
A 3
D Q 4
D A 4
1 6
2 4
D 4
A 4
D Q 5
1 7
2 5
D 5
D A 5
A 5
D Q 6
D 6
D A 6
1 8
2 6
A 6
D Q 7
D 7
D A 7
1 9
2 7
A 7
D Q 8
D A 8
2 0
A 8
9
D A 9
A 9
E
F
Main PCB 2/6
(FAX870MC/MFC970MC/FAX-930/
FAX-931)
8
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