Denon AVR-1312 Service Manual

72
NJM2595M (INPUT : IC71)
TC74VHC157FT (INPUT : IC85)
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 75Ω 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
81264
6dB
Amp
75Ω
Driver
S3
S2
S4
S1
20k
20k
20k
S5
S6
S7
Vin1
Vin2
Vin3
Vin4
Vin5
SW3 SW4
SW5SW1SW2V
+
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
TC74VHC157F/FN/FT/FK
2007-10-01
2
Pin Assignment IEC Logic Symbol
Truth Table
Inputs
ST SELECT A B
Output
H X X X L
L L L X L
L L H X H
L H X L L
L H X H H
X: Don’t care
(1)
(15)
(2)
(5)
(3)
1A
2A
1B
(6)
(10)
3A
2B
(4)
(9)
1Y
3Y
(7)
(12)
2Y
4Y
EN
SELECT
ST
3B
(14)
(13)
4A
4B
G1
(11)
1 MUX
1
4A
V
CC
16
4B
15
14
13
12
11
10
1
2
3
4
5
6
7
1Y
2A
2B
2Y
GND
4Y
8
3Y
9
3A
3B
(top view)
1A
1B
SELECT
ST
A
S G
B A
Y B
A
Y
B A
Y BY

Denon AVR-1312 Specifications

General

Number of Channels	5.1
HDMI Inputs	4
HDMI Outputs	1
Amplification Type	Discrete
Input Sensitivity	200 mV
Frequency Response	10 Hz - 100 kHz (+1, -3 dB)
Signal-To-Noise Ratio	98 dB
Digital Optical Inputs	2
Coaxial Digital Input	1
Analog Audio Inputs	4
Headphone Jack	Yes
Tuner Presets	56
Dimensions (W x H x D)	434 x 151 x 319 mm
Amplifier Type	Discrete
Tuner Type	AM/FM
Preset Stations	56
Remote Control	Yes
Dolby Technologies	Dolby Digital Plus, Dolby Pro Logic II, Dolby TrueHD
DTS Technologies	DTS-HD Master Audio
Output Power / Channel	75 W (8 Ohms, 20 Hz - 20 kHz, 2 channels driven, THD 0.08%)
Input Impedance	47 kOhms
Audio Inputs	2 Optical, 1 Coaxial, 4 Analog
Power Output	75W per channel (8 ohms, 20Hz-20kHz, 0.08% THD)