1 5
1 3
T E S T 4
T E S T 5
M O N 1
1 2
9
8
7
M O N 3
M O N 4
M O N 5
M O N 2
C 5 8 C C 1 0 4 B
R 7 2
1 K
C 5 7
C C 1 0 3 B
* R 7 3
1 0 0 K
C 5 9
C C 2 2 1 C H
D V S S
2 1 F S I N
2 0 F S O U T
6 6 T E S T 1
1 6 T E S T 2
1 4
1 7 T E S T 3
1 1
1 9
2 5
3 2
4 1
4 9
5 8
7 0
7 5
6 5
+
-
8
9
1 0
C 8 1
R 9 6
3 9 K # 1 0
K I 3 2 4
7 1 H O P 0
6 7 H O P 2
6 8 H O P 1
5N C
3 0 N C
4A V D D
7 7 A V D D
1A G N D
8 0 A G N D
7 8
7 9
2
3
6
7 6
7 3
M O N 6
H I P 0
H I P 1
H I P 2
7 2

B G 3 0 8 0 / 2

D V S S
D V S S
D V S S
D V S S
D V S S
D V S S
D V S S
D V S S
D V S S
R X I N A
R X I N B
V B I A S
T X O U T
R 7 1
1 K
C 7 1
C C 1 0 4
C 6 1
C C 1 0 4
C 7
1 0 / 1 6 V
R 9 1 1 2 0 K
+ 5 V
A R E F
M 5 V
M 0 V 4 1 B
4 5 C
43C
R 9 2
4 . 7 K
M 0 V
A R E F
R 9 7
3 9 K
74B
C 8 4
C C 1 0 4
R I N P R I N G 7 4 C
Z D 2
H Z S 5 C
M 0 V
4 7
D 1
D 2
D 0 R
D 1 R
D 2 R
4 5
4 4
4 3
4 2
D 4
D 5
D 6
D 7
D 4 R
D 5 R
D 6 R
D 7 R
R D
L WR
M R S T
M C E 1 3 A
13B
13B
13A
DRBUS
D 3 D 3 R
4 6
A B U S 5
# 1 3
5
1 0
1 8
2 4
3 1
4 0
4 8
5 7
6 4
6 9
7 4
D V D D
A 0 3 9
A 1 3 8
A 2 3 7
3 6
A 3
5 1
5 0
D 0
A 1
A 2
A 3
A 4
3
M I N T 1 2 B

# 9

C L K 2 2
- R S T 2 3
- C E 3 5
- R D 3 4
- WR 3 3
M P S E L 2 9
- I N T 2 8
- D R E Q 2 7
- D A C K 2 6
D T C K 5 6
R X D 5 9
6 0
T X D
- D C D 6 1
- C T S 6 2
- R T S 6 3
E Y E C K O 5 2
E Y E C K I 5 3
E Y E D A T 5 4
E Y E S Y C 5 5
# 1 3
D V D D
D V D D
D V D D
D V D D
D V D D
D V D D
D V D D
D V D D
D V D D
C 8
R 8 5
5 6 K
+ 5 V
C 4 4
C C 5 P
R 4 8 5 . 6 K
6
# 1 3
2
C 8 7
C C 1 0 2 B
L 5
R 4 7
1 5 0
+ 5 V
4 1 . 4 7 2 M H Z
2 7 0
7 WU 0 4 F
1 6 V / 1 0
S 0 V
T X O
+
-
7
6
5
C 8 8
C C 2 2 1 C H
R 8 9
B L M 1 1 A 2 0
R 1 0 1
5 6 K
A R E F
# 1 0
K I 3 2 4
4 3 C
R 1 0 2 7 5 K
M 5 V
X T 3
S 0 V
R 1 0 3
4 . 7 K
M 0 V
R 9 0
0
M 0 V
S 0 V + 5 V
C 6
10V
100
* R 6 7
22K * R 6 9
* R 6 8 * R 7 0
0
C 7 0
C 5 6
C 4 7
C 6 0
2 2 K x 3
R 5 2
R 5 1
+ 5 V
M S L ( 7 4 C )
T A D H ( 7 4 B )
C C 1 0 4 x 4
C 7 9
C C 1 0 4
M O V
S O V
R 5 0
)
)
)
)
H S P L Y ( 7 3 C )
M 0 V
)
)
)
)
)
)
*
*
*
3
C 4 6
C C 1 0 4
L 4
0
C 0 V
# 1 3
7 WU 0 4 F
C 4 5
C C 5 P
8
4

+ 5 V

C 0 V
7 4 B
C 1 4 9
C C 1 0 4
M I N T H
M R S T
M C E
R D
L WR
5 V
S 0 V
1
2
3
6
7
8
9
2 0
4
5
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
A B U S
D R B U S
A 5
D 7 R
A 1
A 2
A 3
A 4
D 0 R
D 1 R
D 2 R
D 3 R
D 4 R
D 5 R
D 6 R
6 3 C
4 4 B
4 5 B
4 4 B
4 4 B
P 1 2
9 2 1 0 B - 1 - 2 0 Z
F A X 3 7 5 0 , M F C 7 7 5 0
N O T A S S Y
A S S Y F A X 3 7 5 0 , M F C 7 7 5 0

M O D E M

P 1

A
B
1 2 3
C
D
1 2 3 5 6
A
B
C
D
6
4
4 5

AMain PCB 4/7