Pioneer PDP-503PC Service Manual page 93

5
PE1012A (X DRIVEASSY : IC3003)
Drive Protect PLD
Pin Assignment (Top View)
I/CLK 1
I
I
I
I
I
I
I
I
I
I
GND 12
Block Diagram
XSUS_BI 2
1_50
XSUS_UI 3
1_49
XSUS_DI 4
1_48
XSUS_GI 6
1_45
XNR_D1I 7
1_44
XNR_D2I 10
1_43
XSUS_MSKI 8
1_46
XCP_MSKI 9
1_47
XNR_UI 5
1_57
5
6
24 V
CC
I/O/Q
I/O/Q
I/O/Q
I/O/Q
I/O/Q
I/O/Q
I/O/Q
I/O/Q
I/O/Q
I/O/Q
13 I
1_6
1_4
1_5
1_1
1_51
1_2
1_32
1_31
1_58
PDP-503PC
6
7
23
1_24
22
1_23
21
1_22
19
1_55
18
1_62
1_52
15
1_61
1_53
17
1_28
16
1_34
20
1_60
7
8
A
B
C
XSUS_BO
1_40
XSUS_UO
1_39
XSUS_DO
1_40
D
YSUS_GO
1_54
XNR_D1O
1_36
XNR_D2O
1_35
E
XSUS_MSKO
1_41
XCP_MSKO
1_42
XNR_UO
1_56
F
93
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