Denon AVR-S730H Service Manual page 55

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(-)
BD3812F
BD3812F (DIGITAL_ANALOG : IC911 X1400 E3 only) Application circuit
5-INPUT 3-OUTPUT VIDEO SWITCH
10µ
1
IN1
GENERAL DESCRIPTION
The NJM2595 is a 5-input 3-output video switch. Its switches
2
AGND
select one from five signals received from VTR,TV,DVD,
TV-GAME and others.
The NJM2595 is designed for audio items, such as AV amplifier
3
IN2
and others.
10
4
AGND
FEATURES
V 5
EE
5-input 3-output
Operating Voltage ±4.0 to ±6.5V
47
Operating current ±15mAtyp. at Vcc=±5V
6
Crosstalk -65dBtyp.
AGND
Internal 6dB Amplifier
47µ
Internal 75Ω Driver
Bipolar Technology
V
CC 7
Package Outline DIP16,DMP16
PIN CONFIGURATION and BLOCK DIAGRAM
NJM2595MTE1 (DIGITAL_ANALOG : IC881)
+
V
Reference data
16
2.5
Vin1 13
VCC
2
1.5
1
Vin2
9
0.5
0
20k
-0.5
-1
S2
Vin3
7
VEE
-1.5
20k
-2
-2.5
Vin4
0 2 5 4 6 8 10
S3
20k
POWER SUPPLY (V)
Fig.3 Circuit current - Power supply
Vin5
3
20k
10
1
0.1
4
0.01
SW3
0.001
0.0001
0.001 0.01 0.1 1 10
INPUT VOLTAGE (Vrms)
Fig.6 THD+N - Input voltage
55
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14
PACKAGE OUTLINE
13
12
NJM2595D NJM2595M
11
10
9
LOGIC
8
UNIT
RESISTOR :
CAPACITOR : F
Fig.2
SW2 SW1 SW5
10 14 2
10
10
8
6
1
S5
4 S1
2
75Ω
6dB
0.1
0 Amp Driver
-2
20k
-4
0.01
-6
S6
S4
-8
0.001
-10
75Ω
6dB
Amp Driver 0.001
10 100 1000 10000 100000
INPUT VOLTAGE (Vrms)
FREQUENCY (Hz)
20k
Fig.5 Output voltage - Input voltage
Fig.4 Voltage gain - Frequency
S7
6dB
75Ω
20
Amp
Driver
20k
15
10
0, 6 18dB
6 12 8
2dB/step
5
-
SW4
GND V
0
-5
10 100 1000 10000 100000
FREQUENCY (Hz)
Fig.7 Output gain - Frequency
OUT1
OUT2
SEL
DGND
MUTE
DA
CL
Vout1
1
Vout2
15
0.01 0.1 1 10
Vout3
11
- 1 -