JVC KS-FX321 Service Manual page 22

KS-FX321
QQ
4.7 HD74HC126P (IC751) : Changer control 3 7 63 1515 0
• Pin arrangement
1C 1
1A 2
1Y 3
2C 4
2A 5
2Y 6
GND 7
• Block diagram
TE
L 13942296513
www
1-22 (No.49771)
http://www.xiaoyu163.com
14 Vcc
13 4C
12 4A
11 4Y
10 3C
9 3A
8 3Y
( TOP VIEW )
1A
1C
2A
2C
3A
3C
4A
4C
x ao
. i
http://www.xiaoyu163.com
• Pin function
Input
C A
L X
H L
H H
Q Q
3 6 7
u163
y
2 9 9 4
8
Output
Y
Z
L
H
1Y
1 3 1 5 0 5 8 2 9
2Y
3Y
4Y
m
co
.
2 8
9 9
9 4 2 8 9 9