JVC KS-FX711 Service Manual page 28

KS-FX711/KS-FX511
QQ
3 7 63 1515 0
HD74HC126P (IC801) : Changer control
1.Pin arrangement
1C 1
1A 2
1Y 3
2C 4
2A 5
2Y 6
GND 7
( TOP VIEW )
3. Block diagram
1A
TE
L 13942296513
1C
2A
2C
3A
3C
www
4A
4C
1-28
http://www.xiaoyu163.com
14 Vcc
13 4C
12 4A
11 4Y
10 3C
9
3A
8 3Y
x ao
y
. i
http://www.xiaoyu163.com
8
2. Pin function
Input
C A
L X
H L
H H
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
Output
Y
Z
L
H
1 5 0 5 8 2 9 9 4
1Y
2Y
3Y
m
co
4Y
9 9
2 8 9 9