Pioneer PDP-434PU Service Manual page 73

5
BA8274F (PANEL IF ASSY: IC4206)
2
• I C Bus Interface IC
Block Diagram
Pin Function
Pin
Pin No.
Name
2 L
X
7 L
Y
3 S
X
6 S
Y
4 GND
8 V
CC
5
6
V L
CC Y
8 7
Buffer
Buffer
1 2
N.C. L
X
Equivalent Circuit
V
CC
35.7
GND
V
CC
35.7
GND
PDP-434PU
6
7
S N.C.
Y
6 5
3 4
S GND
X
Pin Function
Buffer output
Buffer input
Ground
Power supply
7
8
A
B
C
D
E
F
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