Onkyo DV-CP702 Service Manual page 75

IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q2501: TC74VHCT125AF QUAD BUS BUFFER
Pin Assignment
1G 1
1A 2
1Y 3
2G 4
2A 5
2Y 6
GND 7
14 VCC
13 4G
Truth Table
12 4A
11 4Y
10 3G
9 3A
8 3Y
INPUTS OUTPUTS
G A Y
H X Z
L L L
L H H
X: Don't Care
Z: High Impedance
DV-CP702