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Sony STR-K670P Service Manual page 27

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• IC Block Diagrams
– DIGITAL Board –
TE
L 13942296513
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.
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IC1131 BR24L16F-WE2
VCC
8
11 bit
WP
7
ADDRESS
DECODER
SCL
6
CONTROL CIRCUIT
HIGHT VOLTAGE
SDA
5
GENERATOR
IC1301 LC89056W-E
36
CE
37
CLK
38
MICROCOMPUTER
INTERFACE
XSEL
39
MODE0
40
MODE
SELECT
MODE1
41
DGND
42
DVDD
43
DOSEL0
44
DOSEL1
45
CKSEL0
46
CKSEL1
47
SYSTEM
XMODE
48
RESET
1
2 3
x
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2 9
8
16 K bit EEPROM ARRAY
SLAVE WORD
11 bit
ADDRESS REGISTER
START
STOP
ACK
POWER SUPPLY
VOLTAGE DETECTION
Q Q
3
6 7
1 3
1 5
35
34
33
32
31
30
29
28
27
26
C BIT
DETECT
SAMPLING
FREQUENCY
LOCK
CLOCK
DETECT
DATA
TIMING
DEMODULATOR
INPUT
CIRCUIT
4
5
6 7
8 9 10
co
.
STR-K670P
9 4
2 8
1 A0
8 bit
2 A1
DATA
REGISTER
3 A2
4 GND
0 5
8
2 9
9 4
25
24
AUDIO
PA/PB
DETECT
23
EMPHA
22
XIN
21
XOUT
20
XMCK
19 DVDD
18 DGND
17
XSTATE
16
DATAO
15
LRCK
14
BCK
13
CKOUT
PLL
m
11 12
9 9
2 8
9 9
27

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