Ic Block Diagrams - Sony STR-K790 - Lifier Service Manual

• IC Block Diagrams

– DIGITAL Board –
XSEL
MODE0
MODE1
DGND
DVDD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
IC1401 PCM1803DBR
Single-End
VINL 1
/Differential
VINR 2
Converter
VERF1 3
VERF2 4
Reference
Single-End
/Differential
Converter
VCC 5
AGND 6
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
IC1301 LC89056W-E
36 35 34
CE 37
CLK 38
MICROCOMPUTER
INTERFACE
39
40
MODE
SELECT
41
42
43
44
45
46
47
SYSTEM
48
RESET
1 2 3
5 th Order
Delta-Sigma
Modulator
5 th Order
Delta-Sigma
Modulator
Power Supply
33 32 31 30 29 28 27 26 25
C BIT PA/PB
DETECT DETECT
SAMPLING
FREQUENCY
LOCK CLOCK
DETECT
DATA
TIMING
DEMODULATOR
PLL
INPUT
CIRCUIT
4 5 6 7 8 9 10
× 1/64 (× 1/128)
Decimation
Filter
with
DC Cut Filter
Clock and Timing Control
STR-K790
24 AUDIO
23 EMPHA
22 XIN
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
11 12
Serial
Interface
Mode/
Format
Control
20 MODE1
19 MODE0
18 FMT1
17 FMT0
16 OSR
15 SCKI
14 VDD
13 DGCD
12 DOUT
11 BCK
35