Denon DRA-800H Service Manual page 49

Network stereo receiver
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NJU72343 (DIGITAL_ANALOG : IC822)
32
1
No. Symbol
Function
1
AREF
Analog reference potential
2
ADR
Address selection
3
InA2
Ach input2
4
InB2
Bch input2
5
InA1
Ach input1
6
InB1
Bch input1
7
InC
Cch input
8
InD
Dch input
9
InE
Ech input
10
InF
Fch input
11
InG1
Gch input1
12
InH1
Hch input1
13
InG2
Cch input2
14
InH2
Dch input2
15
MUTE
External mute control
16
REF
Digital reference potential
NJU72750A (DIGITAL_ANALOG : IC821)
32
1
No. Symbol
Function
1
V+
Power supply(+)
2
InA1
Ach input1
3
InB1
Bch input1
4
InA2
Ach input2
5
InB2
Bch input2
6
InA3
Ach input3
7
InB3
Bch input3
8
InA4
Ach input4
9
InB4
Bch input4
10
InA5
Ach input5
11
InB5
Bch input5
12
InA6
Ach input6
13
InB6
Bch input6
14
InA7
Ach input7
15
InB7
Bch input7
16
REF
BIAS reference potential
17
1
6
No. Symbol
Function
17
DATA
IC control data input
18
CLOCK
IC control clock input
19
VDDOUT
Digital power supply output
20
AREF
Analog reference potential
21
OutH
Hch output
22
OutG
Gch output
23
OutF
Fch output
24
OutE
Ech output
25
OutD
Dch output
26
OutC
Cch output
27
OutB
Bch output
28
OutA
Ach output
29
AREF
Analog reference potential
30
V-
Power supply(-)
31
AREF
Analog reference potential
32
V+
Power supply(+)
17
1
6
No. Symbol
Function
17
DATA
IC control data input
18
CLOCK
IC control clock input
19
NC
-
20
NC
-
21
OutB3
Bch output3
22
OutA3
Ach output3
23
REF_B
Bch reference potential
24
OutB2
Bch output2
25
OutA2
Ach output2
26
REF_A
Ach reference potential
27
OutB1
Bch output1
28
OutA1
Ach output1
29
NC
-
30
ADR0
Address selection pin 0
31
ADR1
Address selection pin 1
32
V-
Power supply(-)
NJM41050V (DIGITAL_ANALOG : IC881)
SW1
SW2
VIN1
0.1µF
CLAMP
6.75MHz
VIN2
0.1µF
CLAMP
VIN3
0.1µF
CLAMP
MUTE
49
V+
6dB
75 DRV
47µF 75
VOUT
LPF
+
VSAG
68k
SREFV
ASC
SSIGV
68k
GND
75
1µF
0.1µF

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