STR-DE597
38
38
4-24. IC BLOCK DIAGRAMS
IC601
µ
PC2581V-S (MAIN BOARD (2/2))
IC701
µ
PC2581V-S (MAIN BOARD (2/2))
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/3))
IC501 STK350-230 (MAIN BOARD (2/2))
IC571 STK350-230 (SB AMP BOARD)
IC1451 AK4381VT-E2 (DIGITAL BOARD (3/3))
IC1301 LC89056W-E (DIGITAL BOARD (1/3))
IC1401 AK5380VT-E2 (DIGITAL BOARD (2/3))
IC1452 AK4355VF-E2 (DIGITAL BOARD (2/3))
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
1
12
13
14
15
16
11
10
9
3
4
5
6
7
8
2
∆Σ
MODULATOR
∆Σ
MODULATOR
DECIMATION
FILTER
VOLTAGE REFERENCE
CLOCK DIVIDER
SERIAL I/O
INTERFACE
DECIMATION
FILTER
VA
VCOM
NC
AINL
AINR
VD
DGND
AGND
SDTO
LRCK
MCLK
SCLK
PDN
DIF
TST
TTL
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
SCF
26 25
24 23
22 21
20 19
18 17
16 15
28 27
4
5
6
7
8
9
10
11 12
13 14
2
3
1
DAC
DATT
AUDIO I/F
CONTROL
REGISTER
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
SCF
DAC
DATT
VREF
DZF
PDN
MCLK
BICK
SDTI1
SDTI2
SDTI3
LRCK
CSN
CCLK
CDTI
DVDD
DVSS
AVDD
AVSS
LOUT1+
LOUT1-
ROUT1+
ROUT1-
LOUT2+
LOUT2-
ROUT2+
ROUT2-
LOUT3+
LOUT3-
ROUT3+
ROUT3-
4
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
CLOCK
DIVIDER
SCF
SCF
LRCK
5
PDN
∆Σ
MODULATOR
2
9
8X
INTERPOLATOR
BICK
1
MCLK
3
SDTI
∆Σ
MODULATOR
AUDIO
DATA
INTERFACE
7
CCLK
8
CDTI
6
10
CSN
AOUTR+
AOUTR-
11
12 AOUTL+
13 VSS
14 VDD
15 DZFR
16 DZFL
AOUTL-
µ
P
INTERFACE