Vcc
Vcc
Input
See Function
T
a
b
le
1A
2A
3A
4A
1C
2C
3C
4C
1Y
2Y
2Y
3Y
4Y
Output
Output
Output
Output
Sample as Load Circuit 1
Sample as Load Circuit 1
Sample as Load Circuit 1
1k
1k
S1
CL
Inputs
Outputs
C
L
H
H
A
X
L
H
Y
Z
H
L
1
2
3
4
5
6
7
14
13
12
11
10
9
8
HD74HC126FP-X (IC761) : Buffer
1. Pin layout
3. Block diagram
2. Function
Summary of Contents for KD-MX2900R
Page 64: ...Printed circuit boards Main board old type Forward side Main board old type Reverse side ...
Page 65: ...Main board new type Forward side Main board new type Reverse side ...
Page 66: ...MD CD Servo board Forward side Switch board Forward side ...
Page 67: ...MD CD Servo board Reverse side Switch board Reverse side ...