Function Table - Denon AVR-785 Service Manual

LH28F800BJE (IC805)
SN74LV573APW (IC818,819)
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
SN74LVC139APWR (IC820)
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
GND
Vcc
20
1
Q0
2 19
Q1
3 18
4 Q2
17
16 Q3
5
6 15 Q4
11
7 14 Q5
E
8 13
Q6
1
9 12 Q7
OE
10 11 LE
1 16 V
CC
2 15 2G
G G
3 14
2A
4 13 2B
L
5 12 2Y0
L
2Y1
6 11
L
7 10 2Y2
L
8 2Y3
9
H
D0 D1 D2 D3 D4
2 3 4 6 5
D D D D
L
Q Q Q Q
L L L L
19 18 17 16
Q0 Q1 Q2 Q3

FUNCTION TABLE

(each decoder/demultiplexer)
INPUTS
OUTPUTS OUTPUTS
SELECT
B A Y3 Y2 Y1
L L H H H
L H H H L
H L H L H
H H L H H
X X H H H
21
AVR-1905/785 AVC-1590
D5 D6 D7
7 8 9
D D D D
Q Q Q Q
L L L
L
15 14 13 12
Q4 Q5 Q6 Q7
Y0
L
H
H
H
H