Denon AVR-2106 Service Manual page 23

QQ
3 7 63 1515 0
BA7626 (IC1000,1002,1150~1153)
A
L
H
L
H
H
Note 1: * mark means that feasible for either H or L.
Note 2: Each input terminal is provided with sink chip clamp (BA7625).
BU4052BCF (IC601D,602D)
TOP VIEW
Y
4 1 16
Y
0
Y Y X
2 15
2 2 2
TE
Common
L 13942296513
Y
14
3 X
1
Y OUT/IN
X
Y 4 13
3 Y
3
OUT/IN
X
Y 5
Y 0 12
1
1
INH 6 11
INH X
3
A
7
V 10
EE V
EE
B
8 9
Vss
SN74LVC139A (IC820)
1 16 V
1G
CC
1A 2 15 2G
1B 3 14 2A
4 13 2B
1Y0
5 12 2Y0
1Y1
1Y2 6 11 2Y1
2Y2
1Y3 7 10
2Y3
GND 8 9
SN74LV573APW (IC818,819)
20
OE 1
2 19
D0
D1 3 18
www
4
D2 17
D3 5 16
D4 6 15
D5 7 14
.
D6 8 13
D7 9 12
GND
10 11
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Monitor OUT
GND
IN5
GND
IN4
CTL E
IN3
CTL D
MONITOR OUT
B E
L * IN 1
L * IN 2
H * IN 3
H L IN 4
H H IN 5
Each input terminal takes 20kohm at the end (BA7626).
FUNCTION TABLE
INH A B ON SWITCH
V
DD
L
L L
X
2
L
H L
X
1
L
L H
Common
X
L H H
X
0
H X X
X
3
X:Don't Care
A
B
FUNCTION TABLE
(each decoder/demultiplexer)
INPUTS
OUTPUTS OUTPUTS
SELECT
G G
B A Y3 Y2
L L L H H
L L H H H
L H L H L
L H H L H
H X X H H
Vcc
D0 D1 D2
Q0
2 3 4
Q1
Q2
D D
Q3
x ao
y
Q Q
Q4
L L
11
Q5
E
i
Q6
1
Q7 OE
19 18
LE
Q0 Q1
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8
1 16
2
15
6dB
3 14
LOGIC
4
13
5
12
6dB
6 11
7 LOGIC 10
8 9
C D E V OUT 1
L L *
H L * IN 2
L H * IN 3
H H L IN 4
H H H IN 5
MM74HC4053MX (IC1001,1004,1008)
Y1 1
Y0
2
X Y
0 0
Q Q
Z1 3
X Y
3 6 7 1 3
1 1
4
Z
X Y
2 2
Z0 5
X Y
3 3
6
Enable
NONE
V
EE 7
GND
8
74LVX157 (IC816)
SE LECT
Y1 Y0
H L
L H
H H
H H
H H
D3 D4 D5 D6
6 5 7 8
D D
D D D
u163
L
Q Q
Q Q Q
L L L L L
.
16 15 14 13
17
Q2 Q3 Q4 Q5
23
2 9 9 4 2 8
IN1
CTL A
V OUT1
Vcc
IN2
CTL B
V OUT2
CTL C
C D E V OUT 2
L L * IN 1
H L *
L H * IN 3
H H L IN 4
H H H IN 5
Truth Table
Control Inputs
16
Vcc
15
Y
Enable C
X1
14
1 5 0 5 8 2 9 L 9 4 L
13 X
L L
12 X0
L L
C
11
L L
A
10 L H
L H
9 B
L H
L H
H X
1 16
Vcc
SEL
1A 2
15
ST
3 14
1B
4A
13
1Y 4 4B
5 5 12
2A 4Y
2B 6 11 3A
7 10
2Y 3B
8
GND 9 3Y
SN74LV14APW (IC829)
1
1A
D7
9
1Y 2
m
2A
3
D
co
2Y 4
Q
L
5
3A
3Y 6
12
GND 7
Q6 Q7
AVR-2106/886
9 9
Select
B A ONSwitches
L 2 8 L 9 9 Z0 Y0 X0
L H Z0 Y0 X1
H L Z0 Y1 X0
H H Z0 Y1 X1
L L Z1 Y0 X0
L H Z1 Y0 X1
H L Z1 Y1 X0
H H Z1 Y1 X1
X X None
X = Don't Care
Vcc
14
13 6A
6Y
12
11 5A
10 5Y
9 4A
8 4Y