JVC KD-LX555R - Security Lock Usage and Management; Operating with Security Lock Enabled; Changing the Security Password; Available Password Characters

(No.49793)1-37
4.7 HD74HCT126T-X : (IC1500,IC1503) Buffer
• Pin arrangement • Pin function
H : High level
L : Low level
X : Irrelevant
Z : Off (Hhigh-impedance)state of a 3-stage output
• Block diagram
14
13
12
11
10
9
8
1
2
3
4
5
6
7
Vcc
4C
4A
4Y
3C
3A
3Y
1C
1A
1Y
2C
2A
2Y
GND
Input Output
CA Y
LX Z
HL L
HH H
1Y
2Y
3Y
4Y
1A
1C
2A
2C
3A
3C
4A
4C
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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