Denon AVC-1909, Service Manual

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74
AVR-1909/789, AVC-1909
BU4094BCF (IC110,111,2019 : for AVR-1910)
(IC110,111,2019,2020 : for AVC-1910) BU4052 (IC2026, 2027 : AVC model)
TC4051 (IC2002, 2003, 2004,
2009, 2010, 2011) TC4052 (IC2014, 2015) TC4053 (IC2006)
MM74HC4053 (IC2007)
Y
0
1
Y
2
2
COMMON
Y
3
Y
3
4
Y
1
5
INH 6
V
EE
7
V
SS
8
16
15
14
13
12
11
10
9
V
DD
X
2
X
1
X
X
0
X
3
A
B
Y
0
B
Y
OUT / IN
INH
V
EE
X
OUT / IN
A
COMMON
Y
2
Y
3
Y
1
X
2
X
1
X
0
X
3
2
SERIAL
IN
TROBE
Q
1
Q
2
Q
3
Q
4
CLOCK
3
4
5
6
7
8
15
14
13
12
11
10
9
V
SS
1
OUTPUT
ENABLE
V
DD
Q
6
Q
7
Q
8
Q'
S
Q
5
Q
S
16