Denon AVR-2105

23
AVR-2105/885 / AVC-1890
30
74LVX157
(IC810)
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Vcc
ST
4A
4B
4Y
3A
3B
3Y
SE
LECT
5
SEL
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
V
CC
2G
2A
2B
2Y0
2Y1
2Y2
2Y3
FUNCTION TABLE
(each decoder/demultiplexer)
INPUTS
OUTPUTS
G
SELECT
OUTPUTS
G
B A Y3 Y2 Y1 Y0
L L L H H H L
L L HHHLH
L H LHLHH
L H HLHHH
H X X H H H H
SN74LVC139APWR (IC820)
●LED
SML1216W (LED901)
RED GREEN
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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