39
STR-DE697
4-26. IC BLOCK DIAGRAMS
IC601
µ
PC2581V-S (MAIN BOARD (2/2))
IC701
µ
PC2581V-S (MAIN BOARD (2/2))
IC700
µ
PC2581V-S (SURR BACK BOARD)
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/3))
IC501 STK350-230 (MAIN BOARD (2/2))
IC1301 LC89056W-E (DIGITAL BOARD (1/3))
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
+VOUT1
MUTE
–VOUT1
NF1
COMP1
COMP2
IN1
GND
IN2
NF2
–VOUT2
+VOUT2
VCC
VCC
VEE
DRIVE
1
IN+
2
IN-
3
4
5
-VOUT
6
+VOUT
7
-B
8
GND
9
+B
PRE
GND
DRIVER
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3
2C2 2C1 2C0
2Y
VCC
2C3
2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2
1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2
1C1
1C0
OUTPUT
1Y
GND
DATA INPUTS
13
14
CKOUT
12
A.GND
11
AVDD
4
DIN1
10
LPF
9
VIN
8
R
7
DVDD
6
D.GND
5
DIN2
2
DOUT
1
DISEL
3
DIN0
25
CSFLAG
33
BPSYNC
32
AUTO
31
DGND
30
DVDD
26 27 28 29
F3/P3/C3
F2/P2/C2
F1/P1/C1
F0/P0/C0
35
DO
36
DI
34
ERROR
BCK
15
16
LRCK
DATAO
17
XSTATE
18
19
DGND
DVDD
20
21
XMCK
XOUT
22
XIN
23
24
EMPHA
AUDIO
48
47
XMODE
CKSEL1
46
45
CKSEL0
DOSEL1
44 DOSEL0
43
42
DVDD
DGND
41
40
MODE1
MODE0
39 XSEL
38
37
CLK
CE
INPUT
PLL
DATA
DEMODULATOR
C BIT DETECTION
Pa,Pb DETECTION
MICROPROCESSOR INTERFACE
LOCK
DETECTION
fs
CALCULATION
TIMING
X'TAL1
