Sony CDX-C8850 Service Manual page 62
Fm/am compact disc player
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Also See for CDX-C8850:
- Operating instructions manual (52 pages) ,
- Limited warranty (1 page) ,
- Service manual (82 pages)
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IC871 TL1451ACDB-E20
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IC805 MBM29F800TA
A15
A14
A13
X
A12
DECODER
A11
A10
A9
ADDRESS
A8
LATCH
Y
DECODER
NC
NC
STB
WE
CONTROL
CIRCUIT
RESET
NC
NC
RY/BY
A18
A17
A7
RY/BY
A6
ERASE CIRCUIT
BUFFER
A5
A4
CHIP ENABLE/
OUTPUT ENABLE
A3
A2
A1
16
15
14
13
VERF.
+2.5V
VCC
–
+
REFERENCE
VOLTAGE
ERROR
AMP2
+2.5V
SHORT
CIRCUIT
VERF
VERF
PROTECTION
COMPARATOR
+
+
–
S
R
R
LATCH
U.V.L.O
VREF/2
+
TRIANGLE
–
OSCILLATOR
ERROR
AMP1
2
3
1
4
x
ao
y
i
http://www.xiaoyu163.com
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8,388,608
CELL
MATRIX
Y GATE
I/O
BUFFER
DATA
LATCH
STB
LOW VCC
DETECTOR CIRCUIT
WRITE/ERASE
PULSE TIMER
WRITE CIRCUIT
CIRCUIT
Q Q
3
6 7
1 3
12
11
10
9
PWM
COMPA-
RATOR2
VERF
OUTPUT2
OUTPUT1
PWM
COMPA-
RATOR1
GND
5
6
7
8
u163
.
2 9
9 4
2 8
A16
48
BYTE
47
GND
46
DQ15/A–1
45
DQ7
44
DQ14
43
DQ6
42
DQ13
41
DQ5
40
DQ12
39
DQ4
38
VCC
37
DQ11
36
DQ3
35
DQ10
34
DQ2
33
DQ9
32
DQ1
31
DQ8
30
DQ0
29
OE
28
GND
27
CE
26
A0
25
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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