JVC KS-FX222 Service Manual page 21

4.6 HD74HC126P (IC751) : Changer control
• Pin arrangement
1C 1
1A 2
1Y 3
2C 4
2A 5
2Y 6
GND 7
( TOP VIEW )
• Block diagram
1A
1C
2A
2C
3A
3C
4A
4C
• Pin function
Input
C
14 Vcc
L
13 4C
H
H
12 4A
11 4Y
10 3C
9 3A
8 3Y
Output
A Y
X Z
L L
H H
1Y
2Y
3Y
4Y
KS-FX222
(No.49772)1-21