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NJM2580M-X (IC390) : Video amp.
1. Block diagram
VIN1
1
BIAS
GND1
2
VIN2
3
BIAS
GND2
4
VIN3
5
CLAMP
GND3
6
PowerSave
7
TC74HC4053AF (IC388, IC389) : Multiplexe
1. Pin layout
1Y
1
16
0Y
2
15
IZ
3
14
Z-COM
4
13
0Z
5
12
INH
6
11
V
7
10
EE
GND
8
9
14
6dB
75
AMP
Driver
13
6dB
75
12
AMP
Driver
11
6dB
75
AMP
Driver
10
9
BIAS
8
2. Truth table
CONTROL INPUTS
Vcc
INHIBIT
Y-COM
L
X-COM
L
1X
L
0X
L
A
L
B
L
C
L
L
H
X: Don't Care.
V+1
VOUT1
V+2
VOUT2
V+3
VOUT3
VSAG
C
B
A
L
L
K
L
L
H
L
H
K
L
H
H
H
L
K
H
L
H
H
H
K
H
H
H
X
X
X
RX-8022PSL
1-31
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