Harman Kardon AVR435 Service Manual page 100

AVR435/635
25. NJM2586M(VIDEO:IC94(AVR435:IC40))
NJM2586A
WIDE BAND 3-INPUT 1-OUTPUT 3-CIRCUIT VIDEO AMPLIFIER
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 75 Driver Circuit
Power Save Circuit
Bipolar Technology
Package Outline
BLOCK DIAGRAM
CH1 IN1
1
Bias
SW1
2
Cont2
CH1 IN2
3
Bias
SW2
4
CH1 IN3
5
Bias
GND
6
+
V 1
7
CH2 IN1 8
Bias
GND 9
CH2 IN2 10
Cont2
Bias
GND 11
CH2 IN3
12
Bias
4.5 to 5.5V
0dB at 50MHz typ.
DMP24, SDIP22
6dB
75Ω
24
Amp Driver
Cont1
23
Cont1
6dB
75Ω
22
Amp Driver
21
Cont1
6dB
75Ω
20
Amp Driver
19
18
17
Bias
16
15
Cont2
Bias
14
13
Bias
DMP24
CH1 OUT
CH1 IN1
PS 1
Bias
CH2 OUT SW1
2
+
CH1 IN2
V 2 3
Bias
CH3 OUT
SW2
4
GND
CH1 IN3 5
Bias
- +
V 2 V 1 6
CH3 IN1 CH2 IN1 7
Bias
-
V 1 GND
8
CH3 IN2 CH2 IN2 9
Bias
10
GND GND
CH2 IN3
11
CH3 IN3
Bias
100
harman/kardon
PACKAGE OUTLINE
NJM2586AM NJM2586AL
6dB 75Ω
Amp Driver
Cont1
Cont1
Cont2
6dB 75Ω
Amp Driver
Cont1
6dB 75Ω
Amp Driver
Bias
Cont2
Cont2
Bias
Bias
SDIP22
CH1 OUT
22
21 PS
CH2 OUT
20
+
19 V 2
CH3 OUT
18
-
17 V 2
CH3 IN1
16
-
15 V 1
CH3 IN2
14
13 GND
12 CH3 IN3