Sony STR-DN1050 Service Manual page 66

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