Pioneer AVG-VDP1 Service Manual page 53

5
7.2 IC
QQ
3 7 63 1515 0
IC's marked by * are MOS type.
Be careful in handling them because they are
very liable to be damaged by electrostatic induction.
* PD6518A
1
A15
2
A14
3
A13
4
A12
A11
5
6
A10
A9
7
8
A8
9
NC
A0-A18,A-1
NC 10
WE
11
RESET
12
NC 13
NC 14
RY/BY
15
16
A18
17
A17
18
A7
A6 19
A5 20
21
A4
A3 22
A2 23
TE 24
A1
L 13942296513
*M5MW816TP-70HI
1
A4
A3 2
A2 3
4
A1
A0 5 A0-A18
I/O0-I/O14 :Dat a i nput
ce
6
ce:Chip enable i nput
I/O1 7 w : Write control i nput
oe : Output enable i nput
8 bc1 : Lower Byt e (DQ1-8)
I/O2
bc2 : Upper Byt e (DQ9-16)
9
I/O3
VCC : Power suppl y
GN D : Gr ound suppl y
I/O4 10
VCC 11
GND 12
I/O5 13
I/O6 14
I/O7 15
I/O8 16
17
we
18
www A15
A14
19
A13 20
A12 21 .
A16 22
5
http://www.xiaoyu163.com
DQ0-DQ15
:Data input/output
:Address input
:Ready/busy output
RY/BY
:8bit,16bit mode select
BYTE
OE :Output enable
WE :Write enable
CE :Chip enable
RESET :Reset
44
A5
43 A6
42 A7
oe
41
bc2
:Address i nput 40
bc1
/output 39
38 I/O16
37
I/O15
36 I/O14
I/O13
35
34 GND
33 VCC
32 I/O12
31 I/O11
30
I/O10
29
I/O9
28 A18
27 A8
26 A9
x ao
y
25 A10
24 A11
i
23 A17
http://www.xiaoyu163.com
6
8
*PD8147A,*PD8148A
byte 1
2
A16
3
48 A15
A16
47 BYTE
A14 4
46 VSS
A0-A22 :Address i nput
A13 5
D0-D15 :Dat a i nput /output
45 DQ15/A-1
A12 6
byte :16/8 bits output select
DQ7
44
oe : Output i nabl e i nput
A11 7
DQ14 VCC : Power suppl y
43
VSS : Gr ound suppl y
A10 8
42 DQ6
41 DQ13
9
A9
40 DQ5
A8 10
39 DQ12
11
A19
38 DQ4
A21 12
37 VCC
A20 13
36 DQ11
35 DQ3
14
A18
DQ10
34
A17 15
33
DQ2
A7 16
32 DQ9
17
A6
31 DQ1
18
A5
30 DQ8
29 DQ0 A4
19
28 OE
A3 20
27 VSS
A2 21
26 CE
A1
22
Q Q
25 A0
3 6 7 1 3
A0 23
oe1
24
*TC7SET08FUS1
1 IN B
2 IN A
3 GND
*TC7SH32FUS1
1 IN B
2 IN A
3 GND
u163
.
AVG-VDP1/UC
6
7
2 9 9 4 2 8
48
VSS4
47
VSS3
46
D15
45 D7
44 D14
43 D6
42 D13
41 D5
40 D12
39 D4
38
VCC2
37 VCC1
36 A22
35
D11
34
D3
33
D10
32 D2
31
D9
30 D1
29 D8
28 D0
27 oe2
1 5 0 5 8 2 9 9 4
26 VSS2
25 VSS1
5 VCC
4 OUT Y
5 VCC
m
4 OUT Y
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
53
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