Casio AT-1

— 20 —
B C E
E C BE C B
CLEAR
Q1
D1
D2
Q2
D3
Q3
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
Q6
D6
D5
Q5
D4
Q4
CLOCK
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
NC
I1
I2
I3
I4
I5
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
O5
O4
O3
O2
O1
NC
BA612
TC74HC174AP
2SB1274
2SB1240Q,R
2SC1740SQ
2SA933SQ
DTA114TS
1 2 3
S-81350HG