STR-DE885/DE985
44
44
IC402 TC9273N-011 (MAIN BOARD)
(STR-DE985 only)
4-25. IC BLOCK DIAGRAMS
IC1305 TC7WH74FU(TE12R) (DIGITAL BOARD)
IC400, 500, 600 µPC2581V-S (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VSS
5.1L
6.1L
LOUT
5.1SL
6.1SL
SLOUT
NC
5.1C
6.1C
COUT
NC
5.1R
6.1R
ROUT
5.1SR
6.1SR
SROUT
NC
5.1SW
6.1SW
SWOUT
NC
GND
CLK
VDD
STB
DAT
10BIT
LATCH
CIRCUIT
(R-CH)
10BIT
LATCH
CIRCUIT
(L-CH)
LEVEL SHIFT & SHIFT REGISTER
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CLK
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DIN0
DIN1
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
F3/P3/C3
AUTO
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
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
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL
MODULATOR
DIGITAL
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PL
C NL
C PR
C NR
DGND
SYSCL
K
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
1
3
2
15
14
13
12
11
5
4
6
9
8
10
7
16
VO R
VO L
VCC
VDD
DGND
LRCK
DATA
BCK
Serial
Input
Power
System Clock
System Clock
I/F
Zero Detect
DAC
DAC
Output Amp and
Low-Pass Filter
Output Amp and
Low-Pass Filter
Control
Function
Manager
8x Oversampling Digital Filter
with Function Controller
Enhanced Multi-Level
Deita-Sigma Modurator
Supply
I/F
SCK
ML
MC
MD
ZEROL
ZEROR
VCOM
AGND
IC1401 PCM1800E/2K (DIGITAL BOARD)
IC1202 PCM1748E/2K (DIGITAL BOARD)
IC1301 LC89056W-E (DIGITAL BOARD)
IC1302 TC74ACT153F(EL) (DIGITAL BOARD)
Summary of Contents for STR-DE885
Page 12: ...12 STR DE885 DE985 MEMO ...