Denon AVR-S730H, Руководство по обслуживанию

Страница: 55 / 148

NJU72343 (DIGITAL_ANALOG : IC822)
No. Symbol Function No. Symbol Function
1 AREF Analog reference potential 17 DATA IC control data input
2 ADR Address selection 18 CLOCK IC control clock input
3 InA2 Ach input2 19 VDDOUT Digital power supply output
4 InB2 Bch input2 20 AREF Analog reference potential
5 InA1 Ach input1 21 OutH Hch output
6 InB1 Bch input1 22 OutG Gch output
7 InC Cch input 23 OutF Fch output
8 InD Dch input 24 OutE Ech output
9 InE Ech input 25 OutD Dch output
10 InF Fch input 26 OutC Cch output
11 InG1 Gch input1 27 OutB Bch output
12 InH1 Hch input1 28 OutA Ach output
13 InG2 Cch input2 29 AREF Analog reference potential
14 InH2 Dch input2 30 V- Power supply(-)
15 MUTE External mute control 31 AREF Analog reference potential
16 REF Digital reference potential 32 V+ Power )
NJU72750A (DIGITAL_ANALOG : IC821)
No. Symbol Function No. Symbol Function
1 V+ Power ) 17 DATA IC control data input
2 InA1 Ach input1 18 CLOCK IC control clock input
3 InB1 Bch input1 19 NC -
4 InA2 Ach input2 20 NC -
5 InB2 Bch input2 21 OutB3 Bch output3
6 InA3 Ach input3 22 OutA3 Ach output3
7 InB3 Bch input3 23 REF_B Bch reference potential
8 InA4 Ach input4 24 OutB2 Bch output2
9 InB4 Bch input4 25 OutA2 Ach output2
10 InA5 Ach input5 26 REF_A Ach reference potential
11 InB5 Bch input5 27 OutB1 Bch output1
12 InA6 Ach input6 28 OutA1 Ach output1
13 InB6 Bch input6 29 NC -
14 InA7 Ach input7 30 ADR0 Address selection pin 0
15 InB7 Bch input7 31 ADR1 Address selection pin 1
16 REF BIAS reference potential 32 V- Power supply(-)
6 1 1
17 32
6 1 1
17 32
BD3812F (DIGITAL_ANALOG : IC911 X1400 E3 only)
NJM2595MTE1 (DIGITAL_ANALOG : IC881)
8IGLRMGEP2SXI
6/9
www.rohm.com
2010.06 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3812F
-10
-8
-6
-4
-2
0
2
4
6
8
10
10 100 1000 10000 100000
FREQUENCY (Hz)
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
INPUT VOLTAGE (Vrms)
-5
0
5
10
15
20
10 100 1000 10000 100000
FREQUENCY (Hz)
0.0001
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
INPUT VOLTAGE (Vrms)
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
2.5
0 2 4 6 8 10
POWER SUPPLY (V)
Application circuit
UNIT
RESISTOR :
CAPACITOR : F
Fig.2
Reference data
LOGIC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CL
DA
MUTE
SEL
DGND
OUT1
OUT2
10µ
10
V
EE
AGND
V
CC
IN1
IN2
47
47µ
AGND
AGND
Fig.3 Circuit current - Power supply
Fig.4 Voltage gain - Frequency
Fig.5 Output voltage - Input voltage
Fig.6 THD+N - Input voltage
Fig.7 Output gain - Frequency
VCC
VEE
0, 6 18dB
2dB/step
NJM2595
- 1 -
5-INPUT 3-OUTPUT VIDEO SWITCH
■
GENERAL DESCRIPTION
■
PACKAGE OUTLINE
■
FEATURES
●
5-input 3-output
●
Operating Voltage ± 4.0 to ± 6.5V
●
Operating current ± 15mAtyp. at Vcc= ± 5V
●
Crosstalk -65dBtyp.
●
Internal 6dB Amplifier
●
Internal 75 Ω Driver
●
Bipolar Technology
●
Package Outline DIP16,DMP16
■
PIN CONFIGURATION and BLOCK DIAGRAM
13
9
7
5
3
20k
20k
20k
20k
16
10 14 2
1
15
11
8 12 6 4
6dB
Amp
75 Ω
Driver
S3
S2
S4
S1
20k
20k
20k
S5
S6
S7
Vin1
Vin2
Vin3
Vin4
Vin5
SW3 SW4
SW5 SW1 SW2 V
+
GND V
-
Vout3
Vout2
Vout1
6dB
Amp
6dB
Amp
75 Ω
Driver
75 Ω
Driver
The
NJM2595
is a 5-input 3-output video switch. Its switches
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
and others.
NJM2595D NJM2595M
55
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating