JVC KD-SH9101 Service Manual page 41

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4.8 HD74HCT126T-X (IC503) : Buffer
• Pin arrangement
• Block diagram
TE
L 13942296513
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1A
1C
2A
2C
3A
3C
4A
4C
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8
• Pin function
Input Output
C A
L X
H L
H H
H : High level
L : Low level
X : Irrelevant
Z : Off (Hhigh-impedance)state of a 3-stage output
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.49841)1-41
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