Denon AVR-E400 Service Manual page 169

G  
G  
I I I I BLOCK DIAGRAM
NJW1194A (AUDIO : IC484,IC489)
 
 
 
 
 
 
 
 
NJM2586AM (VIDEO : IC5003)
  

  
  
WIDE BAND 3-INPUT 1-OUTPUT 3-CIRCUIT VIDEO A
GENERAL DESCRIPTION
The NJM2586A is a wide band 3-input 1-output 3-circuit video
amplifier. It is suitable for Y, Pb, and Pr signal because frequency

range is 50MHz.The NJM2586A is suitable for AV receiver, STB,
and other high quality AV systems.
FEATURES
Operating Voltage
Wide frequency range
Internal 3 input-1output 3-circuit video switch
Internal 6dB Amplifier
Internal 75Ω Driver Circuit (2-system drive)
Power Save Circuit
Bipolar Technology
Package Outline
BLOCK DIAGRAM
  
CH1 IN1
1
Bias
Cont1
SW1
2
Cont2
CH1 IN2
3
Bias
SW2
4
CH1 IN3
5
Bias
+
V 1 6
CH2 IN1 7
Bias
GND
8
CH2 IN2
9
Cont2
Bias
10
CH2 IN3
Bias
SSOP20-C3

 
  

±4.5 to ±5.5V
0dB at 50MHz typ.

SDIP22, SSOP20-C3 (under development)
6dB
75Ω
20
Amp Driver
19
Cont1
6dB
75Ω
18
Amp Driver
17
Cont1
6dB
75Ω
16
Amp Driver
15
14
Bias
13
12
Cont2
Bias
11
Bias
169
 

CH1 OUT
CH1 IN1
1
Bias
SW1
PS
2
CH1 IN2
3
CH2 OUT
Bias
SW2
4
+
V 2
CH1 IN3
5
CH3 OUT
Bias
+
V 1 6
-
V 2
CH2 IN1 7
CH3 IN1
Bias
GND
8
-
V 1
CH2 IN2
9
CH3 IN2
Bias
10
GND
CH3 IN3
CH2 IN3
11
Bias
N
PACKAGE OUT
NJM2586AVC3
  
6
A
Cont1
Cont1
Cont2
6
A
Cont1
6
A
Cont2
SDIP22