Onkyo TX-NR1000E Service Manual page 112

IC BLOCK DIAGRAM AND DESCRIPTION
MM1117XFBE(3 inputs/1 output video switch)
GND OUT
8
7
BUFFER
CLAMP
SW
CLAMP
1 2
IN1 SW1
Vcc IN3
6
5
SW
CLAMP
3 4
IN2 SW2
Control Input Truth Table
SW1 SW2
L L
H
L
-
H
TX-NR1000
OUT
IN1
IN2
IN3