Denon AVR-786 Service Manual

21
AVR-1906 / AVR-786 / AVC-1620
LH28F800BJE (IC805)
SN74LV573APW (IC818,819)
SN74LVC139APWR (IC820)
TC9273N (IC703) SN74LV14APW (IC829) MM74HCT00MT (IC814-815)
1
2
3
4
5
6
7
8
10
9
20
19
18
17
16
15
14
13
12
11
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
Vcc
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
LE
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D
Q
L
D0
D1 D2
D3 D4 D5 D6
D7
L
E
OE
1
234
567
89
11
12131415
16
17
1819
Q0 Q1
Q2
Q3
Q4 Q5 Q6 Q7
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
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1Y
2A
2Y
3A
3Y
GND
V
CC
6A
6Y
5A
5Y
4A
4Y
VCC
B4
A4
Y4
B3
A3 Y3
A1
B1 Y1
A2
B2
Y2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14

Denon AVR-786 Specifications

General

Brand	Denon
Model	AVR-786
Category	Stereo Receiver
Language	English