Pioneer CDJ-200 Service Manual page 70

Compact disc player
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1
DYW1743 (MAIN ASSY : IC118)
• Flash ROM
A
Pin Arrangement (Top view)
A15 1
A14 2
A13 3
A12 4
A11 5
A10 6
A9 7
A8 8
N.C. 9
N.C. 10
B
WE 11
RESET 12
N.C. 13
N.C. 14
RY/BY 15
A18 16
A17 17
A7 18
A6 19
A5 20
A4 21
C
A3 22
A2 23
A1 24
Block Diagram
VCC
37
D
VSS
27
VSS
46
11
WE
BYTE
47
RESET
12
26
CE
OE
28
E
A18 to A0
1-8,16-25,48
A-1
45
F
70
1
2
RY/BY
37
RY/BY
Buffer
Erase Voltage
Generator
State
Control
Command
Program Voltage
Register
Generator
Low Vcc
Timer for
Detector
Program/Erase
CDJ-200
2
3
48
A16
47
BYTE
46
VSS
45
DQ15/A-1
44
DQ7
43
DQ14
42
DQ6
41
DQ13
40
DQ5
39
DQ12
38
DQ4
37
VCC
36
DQ11
35
DQ3
34
DQ10
33
DQ2
32
DQ9
31
DQ1
30
DQ8
29
DQ0
28
OE
27
VSS
26
CE
25
A0
DQ15 to DQ0
29-36,38-45
Input/Output
Buffers
STB
Data Latch
Chip Enable
Output Enable
Logic
Y-Decoder
Y-Gating
STB
Address
X-Decoder
Cell Matrix
Latch
3
4
4

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