3 1 1 1 B

# 4

1 6
N C
C 9 4
C C 1 0 4
+ 5 B S 0 V
D 0 1
D 0 2
D 0 3
D 0 4
D 0 5
D 0 6
D 0 7
D 0 8
D 0 9
D 0 1 0
D 0 1 1
D 0 1 2
D 0 1 3
D 0 1 4
D 0 1 5
2
D 0
3
D 1
4
D 2
5
D 3
7
D 4
8
D 5
9
D 6
1 0
D 7
3 3
D 8
3 4
D 9
3 5
D 1 0
3 6
D 1 1
3 8
D 1 2
3 9
D 1 3
4 0
D 1 4
A 0
A 1
A 2
D B U S
2 8
1 8
1 9
2 0
2 3
2 4
2 5
2 6
2 7
D R A M
3 7
1
2 1 2 2 4 2
6
GG G
V C CV C C
D 1 5 4 1
A 3
A 4
A 5
A 6
A 7
A 8
1 1 B
1 3
1 1 B
2 9
1 1 B
3 0
R A S
WE
O E
U C A S
L C A S
1 6 M
1 4
R A S 1
R M WR
R A M R D
U C A S
C A S
1 7 A 1
A 2
A 3
A 4
A 5
A 6
A 7
A 8
A 9
A 9
D 0 0
1 5
R 1 3 3
1 1 0
A B U S 1
N C
N C
N C
N C
1 1
1 2
3 2
1
2
3
45
6
7
8
+ 5 V
R 1 7 9
4 . 7 K
S 0 V
E E C K
E S D
1 5 B
11B
32K
E E P R O M
# 1
S 0 V
A 0
A 1
A 2
V S S S D A
S C L
T E
V C C
R 1 7 7 1 0
R 1 7 8 1 0 0
Z D 1 8 . 2 B
1 2 B
C 1 1 1
C C 1 0 4
C 1 3 1
C C 1 0 4
C 2
N O T
A S S Y
+ 5 V
S 0 V 3 1 11B

# 3

1 6
N C
C 9 3
C C 1 0 4
+ 5 B S 0 V
D 0 1
D 0 2
D 0 3
D 0 4
D 0 5
D 0 6
D 0 7
D 0 8
D 0 9
D 0 1 0
D 0 1 1
D 0 1 2
D 0 1 3
D 0 1 4
D 0 1 5
2
D 0
3
D 1
4
D 2
5
D 3
7
D 4
8
D 5
9
D 6
1 0
D 7
3 3
D 8
3 4
D 9
3 5
D 1 0
3 6
D 1 1
3 8
D 1 2
3 9
D 1 3
4 0
D 1 4
A 0
A 1
A 2
D B U S
2 8
1 8
1 9
2 0
2 3
2 4
2 5
2 6
2 7
D R A M
3 7
1
2 1 2 2 4 2
6
GG G
V C CV C C
D 1 5 4 1
A 3
A 4
A 5
A 6
A 7
A 8
11B
1 3
11B
2 9
11B
3 0
R A S
WE
O E
U C A S
L C A S
1 6 M
1 4
R A S 0
R M WR
R A M R D
U C A S
C A S
1 7 A 1
A 2
A 3
A 4
A 5
A 6
A 7
A 8
A 9
A 9
D 0 0
1 5
R 1 2 9
110
A B U S 1
N C
N C
N C
N C
1 1
1 2
3 2
1 2 B
C 1 1 0
C C 1 0 4
R 2 0 4
6 8
A 1 0
A 1 0
D 1 5
2 6
2 8
1 3 B
D 1 0
D 1 1
D 1 2
1 5
R Y / B Y
3 7 4 6 2 7
C 7 3 C C 1 0 4
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
A 1 7
2 5
A 1
2 4
A 2
2 3
A 3
2 2
A 4
2 1
A 5
2 0
A 6
1 9
A 7
1 8
A 8
8
A 9
7
A 1 0
6
A 1 1
5
A 1 2
4
A 1 3
3
A 1 4
2
A 1 5
1
A 1 6
4 8
A 1 7
1 7
A 1 8
D 9
D 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
D 8
D 1 3
D 1 4
A B U S
4 5
2 9
3 1
3 3
3 5
3 8
4 0
4 2
4 4
3 0
3 2
3 4
3 6
3 9
4 1
4 3
B Y T E
C E
WE
R D
D B U S
8 M
F L A S H
V C C GG
1 2 B
1 3 B
O E
R E S E T
L WR
N C
N C
N C
N C
N C
1 2
1 1
9
1 0
1 3
1 4
1 6
4 7
+ 5 V
+ 5 V
+ 5 V
A 1 9
* R 6 3 1 0 K
R 6 1
R 6 0
R 6 2
* R 6 4 0
*
# 7
1 5 A
R O M 1
R O M 2
+ 5 V S 0 V
* R 6 6 0
* R 6 5

()

D 1 5
1 1
1 3
# 6
1 3 B
D 1 0
D 1 1
D 1 2
4 2
N C
2 2 1 2 3 1
C 5 5 C C 1 0 4
+ 5 V S 0 V
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
A 1 7
A 1 8
A 1 9 1
1 0
A 1
9
A 2
8
A 3
7
A 4
6
A 5
5
A 6
4
A 7
3
A 8
4 1
A 9
4 0
A 1 0
3 9
A 1 1
3 8
A 1 2
3 7
A 1 3
3 6
A 1 4
3 5
A 1 5
3 4
A 1 6
3 3
A 1 7
2
A 1 8
D 9
D 0
D 1
D 2
D 3
D 4
D 5
D 6
D 7
D 8
D 1 3
D 1 4
A B U S
3 0
1 4
1 6
1 8
2 0
2 3
2 5
2 7
2 9
1 5
1 7
1 9
2 1
2 4
2 6
2 8
+ 5 V
3 2
WO R D / B Y T E
C E
O E R D
D B U S
8 M R O M
V C C GG
*
+ 5 V
S 0 V
1 2 B
1 5 A
R O M 2
R O M 1
C 2 1 C C 1 0 4
* R 5 8
* R 5 9

()

0
C 4
1 0
/ 1 6 V
+ 5 V
S 0 V
A
B
1 2 3
C
D
1 2 3 5 6
A
B
C
D
6
4
4 5

AMain PCB 2/7