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4-26. IC BLOCK DIAGRAMS
IC601 µPC2581V-S (MAIN BOARD (2/2))
IC701 µPC2581V-S (MAIN BOARD (2/2))
IC700 µPC2581V-S (SURR BACK BOARD)
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
2 3 4 5 6
1
7
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/3))
DATA INPUTS
STROBE
A
VCC
2C3 2C2 2C1 2C0
2G
SELECT
16
15
14
13
2C3 2C2 2C1 2C0
2G
B
B
1G
1C3 1C2 1C1 1C0
1
2
3
4
STROBE
B
1C3 1C2 1C1 1C0
1G
SELECT
DATA INPUTS
IC1301 LC89056W-E (DIGITAL BOARD (1/3))
12 11
13
CKOUT
BCK
14
LRCK
15
DATAO
16
XSTATE
17
18
DGND
DVDD
19
X'TAL1
XMCK
20
XOUT
21
22
XIN
EMPHA
23
AUDIO
24
PRE
DRIVE
DRIVE
8 9 10 11 12 13 14 15
OUTPUT
2Y
12
11
10
9
2Y
B
A
A
B
A
A
1Y
5
6
7
8
OUTPUT
GND
1Y
10 9 8 7 6
5
4
PLL
INPUT
TIMING
DEMODULATOR
LOCK
DETECTION
IC501 STK350-230 (MAIN BOARD (2/2))
PRE
1
2
3
3
2 1
DATA
fs
CALCULATION
25
26 27 28 29
30
STR-DE697
DRIVER
GND
4
5
6
7 8 9
48
XMODE
47
CKSEL1
46
CKSEL0
DOSEL1
45
44 DOSEL0
43
DVDD
DGND
42
41
MODE1
MODE0
40
39 XSEL
38
CLK
37
CE
31
32
33
34
35 36
39
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