Denon AVR-1706 Service Manual page 20

QQ
3 7 63 1515 0
BA7626 (IC612,613,616 : for AVR1706/686 E3 model)
(IC651,652,653 : for AVR1506/486 E3 model)
A B
L L
H L
L H
H H
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).
74LVX157 (IC816)
SE LECT
TE 1
L 13942296513
SEL
1A 2
3
1B
1Y 4
2A 5 5
2B
6
7
2Y
8
GND
BD3812F (IC702)
IN 1 IN 1 1 1
2 2
AGND AGND
3 3
IN 2 IN 2
4 4
AGND AGND
V V
5 5
EE EE
www
6 6
AGND AGND
V V 7 7
CC CC
.
http://www.xiaoyu163.com
Monitor OUT
GND
IN5
GND
IN4
CTL E
IN3
CTL D
E MONITOR OUT C
* IN 1 L
* IN 2 H
* IN 3 L
L IN 4 H
H IN 5 H
Each input terminal takes 20kohm at the end (BA7626).
BA4510F (IC815A,816A)
16
Vcc
OUT1
15
ST
14
4A
– IN1
13
4B
12
4Y
+ IN1
11 3A
10
3B
V
EE
9
3Y
MM74HCT244 (IC812)
14 OUT1 14 OUT1
13 OUT2 13 OUT2
12 SEL 12 SEL
11 11 DGND DGND
MUTE MUTE
10 10
DA DA
9 9
LOGIC LOGIC
x ao
y
CL CL
8 8
i
http://www.xiaoyu163.com
8
1
16 IN1
2 CTL A
15
6dB
3 14 V OUT1
LOGIC
4
13 Vcc
5 12 IN2
6dB
11 CTL B
6
LOGIC 10
7 V OUT2
8 9 CTL C
D E V OUT 1
L *
L * IN 2
H * IN 3
H L IN 4
H H IN 5
Q Q
3 6 7 1 3
1 8 V
CC
2 7 OUT2
1ch
– +
2ch
3 + 6 – IN2
–
4 5 + IN2
1 20
1G
2 19
0
1A
0 3 18
2Y
4 17
1
1A
5 16
1 1Y
2Y
2 6 15
1A
2 7 14
2Y 1Y
8 13
3
1A
3
2Y 9 12
u163
10 11
GND
.
20
AVR-1706/686/1506/486
2 9 9 4 2 8
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
BU4094BC (IC551,552)
STROBE 1
1 5 0 5 8 2 9 9 4
SERIAL
2
IN
3
CLOCK
Q 4
1
5
Q
2
6
Q
3
7
Q
4
8
V
SS
FAN1117-1.2 (IC824)
RC1117-3.3 (IC823)
FRONT VIEW
V
CC
2G
0
1Y
V 2
OUT
0
2A
1
1
2A
2
m
2
2A
3
1Y
co
3
2A
9 9
16 V
DD
2 8 9 9
OUTPUT
15
ENABLE
14 Q
5
13 Q
6
12
Q
7
11 Q
8
10
Q'
S
9 Q
S
3 IN
2 OUT
1 ADJ/GND