Pioneer XDV-P9 Service Manual page 96

XDV-P9
*TC4053BFT
VDD Y-COM
16 15
O/I I/O
C
C
O/I I/O
1 2
0Y
1Y
*HD74HC245T
1
DIR
2
A1
3
A2
FUNCTION TABLE
Enable Direction
4
A3
control
G
DIR
A4 5
L L
6
A5
L H
H X
7
A6
H : High level
8
A7
L : Low level
X : Immaterial
A8 9
GND
10
96
X-COM 1X
14 13
I/O
O/I
C
I/O O/I
C
C
C
I/O
O/I I/O
3 4
1Z
Z-COM
20
VCC
19 Enable G
18 B1
Operation
B2
17
16
B3
B data to A bus
15
B4
A data to B bus
Isolation
14
B5
B6
13
12
B7
B8
11
0X A
12 11
O/I
5 6
0Z INH
MC33202D
8
1
B
C
10 9
7 8
VEE
VSS
7 6 5
+
2 3 4