JVC KS-FX222 Servise Manual page 21

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4.6 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
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14 Vcc
13 4C
12 4A
11 4Y
10 3C
9 3A
8 3Y
( TOP VIEW )
1A
1C
2A
2C
3A
3C
4A
4C
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2 9
8
• Pin function
Input Output
C A
L X
H L
H H
Q Q
3 6 7 1 3 1 5
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9 4 2 8
Y
Z
L
H
1Y
0 5 8 2 9 9 4 2 8
2Y
3Y
4Y
m
(No.49772)1-21
KS-FX222
9 9
9 9