Pioneer CDX-P2050VC Service Manual page 57

QQ
3 7 63 1515 0
PD6304B,PD6305B
A15
A14
A13
A12
A11
A10
N.C.
N.C.
WE
RESET
N.C.
N.C.
RY/BY
N.C. 16
A17
TE
L 13942296513
M5M51016BTP-70LL
44 43 42
BLOCK
INPUT BUFFER
COLUMN
INPUT BUFFER
ROW
INPUT BUFFER
www
.
1 2 3
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1
2
3
4
5
LOW VCC
6
DETECT
CIRCUIT
A9
7
A8
8
9
10
CONTROL
11
CIRCUIT
(COMMAND
12
REGISTER)
13
14
15
17
A7 18
RY/BY
BUFFER
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
41 40 39 38 37
BLOCK
ADDRESS
DECODER
COLUMN
ADDRESS
DECODER
ROW ADDRESS
DECODER
CLOCK
GENERATOR
x ao
y
i
4 5 6 7 8
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CDX-P2050VC,P2050VN,P2050VS
8
A-1
X
DECODER
ADDRESS
LATCH
Y
STB
DECODER
STB
WRITE ERASE
CIRCUIT CIRCUIT
CHIP INABLE
WRITE/ERASE
OUTPUT INABLE
PULSE TIMER
CIRCUIT
Q Q
3 6 7 1 3
36 35 34 33 32 31
SENSE
AMP
65536X16bit
RAM
(512X256X8
BLOCK)
SENSE
AMP
u163
.
9 10 11 12 13 14
2 9 9 4 2 8
48 A16
47 BYTE
46 V
SS
4,194,304
45 DQ15/A-1
CELL
MATRIX
44 DQ7
YGATE
43 DQ14
42 DQ6
41 DQ13
DATA
LATCH
40 DQ5
39 DQ12
38 DQ4
37 V
CC
36 DQ11
35 DQ3
34 DQ10
33 DQ2
32 DQ9
31 DQ1
30 DQ8
29 DQ0
28 OE
1 5 0 5 8 2 9 9 4
27 V
SS
26 CE
25 A0
30 29 28 27 26 25
INPUT DATA
OUTPUT
CONTROL
BUFFER
CIRCUIT
INPUT DATA
OUTPUT
CONTROL
BUFFER
CIRCUIT
m
co
15 16
17 18 19 20
9 9
2 8 9 9
24 23
21 22
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