Casio TE-3000S Service Manual

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13. SN74LV139APWR (IC8)
13
14
15
16
V
CC
2G
2A
2B
2Y0
2Y1
1
2
3
4
5
6
12
11
1G
1A
1B
1Y0
1Y1
1Y2
2Y2
2Y3
7
8
9
10
1Y3
GND
FUNCTION TABLE
INPUTS
SELECT
OUTPUTS
Y3Y2Y1Y0BA
G
H
L
L
L
L
X
L
L
H
H
X
L
H
L
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
L
H
H
H
14. SN74LV14APWR (IC5)
A
Y
11
12
13
14
V
CC
6A
6Y
5A
5Y
4A
1
2
3
4
5
6
7
8
9
10
1A
GND
1Y
2A
2Y
3A
3Y
4Y
13
14
15
16
V
CC
G
4A
4B
4Y
3A
1
2
3
4
5
6
12
11
A/B
1A
1B
1Y
2A
2B
3B
3Y
7
8
9
10
2Y
GND
FUNCTION TABLE
INPUTS
SELECT
DATA
OUTPUT
Y
BA/B A
G
H
L
L
L
L
X
L
L
H
H
X
L
H
X
X
L
L
H
L
H
X
X
X
L
H
15. SN74LV157APWR (IC2)
16. SN74LV244APWR (IC7)
11
12
13
14
15
16
17
18
19
20
V
CC
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
1
2
3
4
5
6
7
8
9
10
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
17. SN74LV32APWR (IC9, 13)
11
12
13
14
V
CC
4B
4A
4Y
3B
3A
1
2
3
4
5
6
7
8
9
10
1A
GND
1B
1Y
2A
2B
2Y
3Y

Casio TE-3000S Specifications

General

Brand	Casio
Model	TE-3000S
Category	Cash Register
Language	English