Q1519: Njm2585L (Wide Band 3-Input 1-Output 3-Circuit Video Amplifier) - Onkyo HT-R530 Service Manual

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-20

Q1519: NJM2585L (WIDE BAND 3-INPUT 1-OUTPUT 3-CIRCUIT VIDEO AMPLIFIER)

BLOCK DIAGRAM
CH1 IN1
SW Control 1
CH1 IN2
SW Control 2
CH1 IN3
V+1
CH2 IN1
GND
CH2 IN2
GND
CH2 IN3
TRUTH TABLE
CONTROL TERMINAL
Parameter
Power Save
Parameter
SW1
SW Control
L, OPEN
1
Bias
Cont1
2
Cont1
Cont2
3
Bias
4
5
Bias
6
7
Bias
8
9
Cont2
Bias
10
11
Bias
Status Note
H Power Save: OFF
L Power Save: ON
OPEN Power Save: ON
Status Note
SW2
X IN1 (X=don't care)
H L, OPEN IN2
H H IN3
6dB
75ohms
22
Amp
Driver
21
6dB
75ohms
20
Amp
Driver
19
Cont1
6dB
75ohms 18
Amp
Driver
17
16
Bias
15
14
Cont2
Bias
13
12
Bias
TX-SR503/503E/8350
CH1 OUT
Power Save
CH2 OUT
V+2
CH3 OUT
GND
CH3 IN1
GND
CH3 IN2
GND
CH3 IN3