Pioneer SDV-P7 Service Manual page 100

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SDV-P7
QQ
3 7 63 1515 0
*TC74LCX244FT
1 1oe
2 1A1
3 2Y4
4 1A2
5 2Y3
6 1A3
7 2Y2
8 1A4
9 2Y1
10 GND
TE
L 13942296513
*TC74VCX74FT
1
1clr
2
1D
CK
D
q
Q
1CK
3
4
1pr
5
1Q
CK
D
6
1q
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Q
7
GND
.
100
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20 VCC
19 2oe
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
11 2A1
14 VCC
13 2clr
12 2D
11 2CK
10 2pr
9 2Q
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y
8 2q
i
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2 9
8
*MSM56V16160F8TKFM
Vcc
1
DQ1
2
DQ2
3
VssQ
4
DQ3
5
DQ4
6
VccQ
7
CLK : System clock
cs : Chip select
DQ5
8
CKE : Clock enable
A0-A10 :Address input
DQ6
9
A11 : Bank select address input
VssQ
10
ras : Row address strobe
cas : Column address strobe
DQ7
11
we : Write enable
DQ8
UDQM,LDQM : Data input/output mask
12
DQi : Data input/output
VccQ
13
LDQM
14
WE
15
CAS 16
RAS
17
CS
18
A11
19
A10
20
Q Q
3
6 7
1 3
1 5
A0
21
A1
22
A2
23
A3
24
Vcc
25
co
.
9 4
2 8
50 Vss
49 DQ16
48 DQ15
47 VssQ
46 DQ14
45 DQ13
44 VccQ
43 DQ12
42 DQ11
41 VssQ
40 DQ10
39 DQ9
38 VccQ
37 NC
36 UDQM
35 CLK
34 CKE
33 NC
32 A9
31 A8
0 5
8
2 9
9 4
2 8
30 A7
29 A6
28 A5
27 A4
26 Vss
m
9 9
9 9

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