STR-DN1050
STR-DN1050
66
66
• IC Block Diagrams
IC2000 TC74VHC157FT (EKJ) (DIGITAL BOARD (1/12))
IC3002 TC74VHC157FT (EKJ) (DIGITAL BOARD (5/12))
IC2001 AK4388AET2-E2 (DIGITAL BOARD (1/12))
IC2002 NJM4565M (TE2) (DIGITAL BOARD (1/12))
IC410, IC411, IC412, IC413, IC420 NJM4565M (TE2) (MAIN BOARD (4/4))
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
1
CLOCK
DIVIDER
DE-EMPHASIS
CONTROL
AUDIO
DATA
INTERFACE
MCLK
2
11
BICK
3
SDTI
4
LRCK
5
RSTN
CONTROL
PORT
6
SMUTE
7
ACKS
8
DIF0
8
INTERPOLATOR
8
INTERPOLATOR
MODULATOR
MODULATOR
SCF
LPF
SCF
LPF
AOUTL
12 VCOM
13 VSS
14 VDD
15 DEM
16 DZF
10 AOUTR
9 DIF1
A
B
A OUTPUT
A-INPUT
A+INPUT
V-
V+
B OUTPUT
B -INPUT
B +INPUT
1
2
3
4
5
6
7
8
IC2101 BU4229F-TR (DIGITAL BOARD (3/12))
IC3001 BU4229F-TR (DIGITAL BOARD (5/12))
IC2102 BR24T64FJ-WE2 (DIGITAL BOARD (3/12))
IC2104 PCM1681GPWPR (DIGITAL BOARD (2/12))
+
–
1
2
4
Vref
Vout
CT
GND
V
DD
3
1
A0
A1 2
A2 3
GND 4
1Kbit~1024Kbit EEPROM array
Address
decoder
7bit
8bit
9bit
10bit
11bit
12bit
13bit
14bit
15bit
16bit
17bit
*
1
*
1
Control circuit
START
STOP
ACK
High voltage
generating circuit
Power source
voltage detection
Word
address register
Data
register
Vcc
8
WP
7
SCL
6
SDA
5
8bit
MS/ADR/FMT1 2
MC/SCL/DEMP 3
SCK 5
DATA1 6
MD/SDA/MUTE 4
ZR1/ZR1/FMT0 1
FUNCTION
CONTROL
INTERFACE
BCK 7
LRCK 8
VDD 9
DGND 10
DATA2 11
DATA3 12
DATA4 13
MSEL 14
SERIAL
INPUT
INTERFACE
8
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTILEVEL
DELTA-SIGMA
MODULATOR
SYSTEM CLOCK
MANAGER
ZERO
DETECT
POWER
SUPPLY
SYSTEM
CLOCK
ZR2
28
VOUT1
27
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
D/A
CONVERTER
VOUT2
26
VCOM
25
AGND2
24
VCC2
23
VOUT3
22
VOUT4
21
VOUT5
20
VOUT6
19
AGND1
18
VCC1
17
VOUT7
16
VOUT8
15
D/A
CONVERTER