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Sony STR-K670P Service Manual page 29

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3 7 63 1515 0
– MAIN Board –
TE
L 13942296513
IC501,601,701 uPC2581V-S (TYPE 1)
PROTECTOR
REG DRIVE
2 3 4 5 6
1
IC501,601,701 STK350-530-E (TYPE 2)
www
1
2
3
.
http://www.xiaoyu163.com
IC1502 IS61LV6416-10TLT
A4
1
A3
2
A2
3
A1
4
A0
5
CHIP ENABLE
CS
6
BUFFER
I/O 0
7
I/O 1
8
I/O 2
9
I/O 3
10
VDD
11
VSS
12
I/O 4
13
I/O 5
14
LOW
I/O 6
15
BYTE
I/O 7
16
BUFFER
WRITE ENABLE
WE
17
BUFFER
A15
18
A14
19
A13
20
A12
21
NC
22
BIAS CIRCUIT
PRE
PRE
DRIVE
DRIVE
DRIVE
7
8 9 10 11 12 13 14 15
STAND-BY
CIRCUIT
PRE
DRIVER
DRIVER
33Ω
x
ao
y
4
5
6
i
http://www.xiaoyu163.com
8
ROW/COLUMN
DECODER
64K x 16
MEMORY
ARRAY
SENSE AMP
HIGH
&
BYTE
I/O
WRITE
I/O
PRIVER
BUFFER
Q Q
3
6 7
1 3
4.7kΩ
PRE
DRIVER
47kΩ
33Ω
u163
7
8
9
.
2 9
9 4
2 8
44
A5
43
A6
42
A7
OUTPUT ENABLE
41
OE
BUFFER
BYTE ENABLE
40
BHE
BUFFER
39
BLE
38
I/O 15
37
I/O 14
36
I/O 13
35
I/O 12
34
VSS
33
VDD
32
I/O 11
31
I/O 10
30
I/O 9
29
I/O 8
28
NC
27
A8
26
A9
25
A10
24
A11
23
NC
1 5
0 5
8
2 9
9 4
DRIVER
m
co
10
11 12
13
STR-K670P
Ver. 1.2
9 9
2 8
9 9
14
15
29

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