Onkyo DV-SP55 Service Manual page 54

IC BLOCK DIAGRAM / TERMINAL DESCRIPTION
Q352 : TC74VHCU04FT Hex inverter
Pin layout
1A 1
1Y 2
2A 3
2Y 4
3A 5
3Y 6
GND 7
14 Vcc
13 6A
12 6Y
11 5A
Truth table
10 5Y
A Y
9 4A
L H
H L
8 4Y
DV-SP55