Casio QT-6000 Service Manual

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10. IC DATA
■ MAIN PCB (E820-1 PCB)
1. ALVCH16244 (IC13, 17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OE
1Y1
1Y2
GND
1Y3
1Y4
V
CC
2Y1
2Y2
GND
2Y3
2Y4
3Y1
3Y2
GND
3Y3
3Y4
V
CC
4Y1
4Y2
GND
4Y3
4Y4
4OE
2OE
1A1
1A2
GND
1A3
1A4
V
CC
2A1
2A2
GND
2A3
2A4
3A1
3A2
GND
3A3
3A4
V
CC
4A1
4A2
GND
4A3
4A4
3OE
1OE
1A1
1A2
1A3
1A4
1Y1
1Y2
1Y3
1Y4
1
47
46
44
43
2
3
5
6
2OE
2A1
2A2
2A3
2A4
2Y1
2Y2
2Y3
2Y4
48
41
40
38
37
8
9
11
12
3OE
3A1
3A2
3A3
3A4
3Y1
3Y2
3Y3
3Y4
25
36
35
33
32
13
14
16
17
4OE
4A1
4A2
4A3
4A4
4Y1
4Y2
4Y3
4Y4
24
30
29
27
26
19
20
22
23
logic diagram (positive logic)
terminal assignments
123456
A
1OE NC NC NC NC 2OE
B
1Y2 1Y1 GND GND 1A1 1A2
C
1Y4 1Y3 V
CC
V
CC
1A3 1A4
D
2Y2 2Y1 GND GND 2A1 2A2
E
2Y4 2Y3 2A3 2A4
F
3Y1 3Y2 3A2 3A1
G
3Y3 3Y4 GND GND 3A4 3A3
H
4Y1 4Y2 V
CC
V
CC
4A2 4A1
J
4Y3 4Y4 GND GND 4A4 4A3
K
4OE NC NC NC NC 3OE
NC No internal connection
FUNCTION TABLE
(each 4-bit buffer)
INPUTS
OUTPUT
OE A
OUTPUT
Y
L H H
L LL
H X Z

Casio QT-6000 Specifications

General

Types of payment	Cash
Second display	Yes
Second display type	LED
Power source	AC
AC input voltage	120-240 V
Power consumption	1100 mA
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	20 - 85 %

Weight and Dimensions

Depth	311 mm
Width	343 mm
Height	288 mm
Weight	5300 g