Sony STR-DA2800ES - Page 115

STR-DA2800ES
115
• IC Block Diagrams
– D-AUDIO Board –
IC1123 PCM1681GPWPR
MS/ADR/FMT1 2
MC/SCL/DEMP 3
SCK 5
DATA1 6
MD/SDA/MUTE 4
ZR1/ZR1/FMT0 1
FUNCTION
CONTROL
INETERFACE
BCK 7
LRCK 8
VDD 9
DGND
10
DATA2 11
DATA3 12
DATA4 13
MSEL
14
SERIAL
INPUT
INETERFACE
8u
OVERSAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTILEVEL
DELTA-SIGMA
MODULATOR
SYSTEM CLOCK
MANAGER
ZERO
DETECT
POWER
SUPPLY
SYSTEM
CLOCK
ZR228
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
VOUT226
VCOM25
AGND224
VCC223
VOUT322
VOUT421
VOUT520
VOUT619
AGND118
VCC117
VOUT716
VOUT815
D/A
CONVERTER
IC1421 MM1839A50NRE
VOUT
4
CONT 1
GND
2
NC
3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS