TX-SR402/8240/HT-R420
S2
(Pin 2)
H
L
H
L
S3
(Pin 3)
H
H
L
L
Vin1
(Pin 4)
ON
OFF
OFF
OFF
Vin2
(Pin 6)
OFF
ON
OFF
OFF
Vin3
(Pin 8)
OFF
OFF
ON
OFF
Vin4
(Pin 9)
OFF
OFF
OFF
ON
d r i v e r
c o n t r o l
6 d B
a m p
v i d e o s w i t c h
( 4 i n p u t 1 o u t p u t )
1
2
3
4
V I D E O
O U T
A
B
V I N I
5
G N D
6
V I N 2
7
V C C
8
V I N 3
9
V I N 4
IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-1
Q213:LA7956(Video switch)
BLOCK DIAGRAM
TRUTH TABLE