Ic Block Diagrams - Sony STR-DE695 Service Manual

STR-DE695

4-27. IC BLOCK DIAGRAMS

IC701 µPC2581V-S (MAIN BOARD (2/3))
IC702 µPC2581V-S (MAIN BOARD (2/3))
BIAS CIRCUIT
PROTECTOR
PRE
PRE
REG DRIVE
DRIVE
DRIVE DRIVE
2 3 4 5 6
1 7 8 9 10 11 12 13 14 15
IC501 STK350-230 (MAIN BOARD (2/3))
IC571 STK350-230 (SB AMP BOARD)
PRE DRIVER
GND
1 2 3 4 5 6 7 8 9
IC1301 LC89056W-E (DIGITAL BOARD (1/3))
12 11 10 9 8 7 6
CKOUT 13
BCK 14
PLL
LRCK 15
DATAO
16
XSTATE 17
DGND 18
DVDD 19
X'TAL1
XMCK 20
TIMING
XOUT 21
XIN 22
23
EMPHA
AUDIO
24
5 4 3 2 1
48 XMODE
47 CKSEL1
46 CKSEL0
45 DOSEL1
44 DOSEL0
43 DVDD
42 DGND
INPUT
41
MODE1
MODE0
40
39 XSEL
38
CLK
37 CE
DATA
DEMODULATOR
LOCK fs
DETECTION CALCULATION
25 26 27 28 29 30 31 32 33 34 35 36
AINR
AINL
VCOM
AGND
DGND
44 44
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/3))
DATA INPUTS
STROBE A OUTPUT
VCC 2G SELECT 2C3 2C2 2C1 2C0 2Y
16 15 14 13 12 11 10 9
2C3 2C2 2C1 2C0 2Y
2G
B B A A
B B A A
1G
1C3 1C2 1C1 1C0 1Y
1 2 3 4 5 6 7
8
STROBE B 1C3 1C2 1C1 1C0 OUTPUT GND
1G SELECT 1Y
DATA INPUTS
IC1401 AK5380VT-E2 (DIGITAL BOARD (2/3))
16 TST
15 TTL
CLOCK DIVIDER
14 DIF
13 PDN
DECIMATION
∆Σ
1 12 SCLK
MODULATOR FILTER
11 MCLK
10 LRCK
∆Σ DECIMATION
2
MODULATOR FILTER
NC 3
SERIAL I/O
9 SDTO
INTERFACE
4 VOLTAGE REFERENCE
5
6
VA
VD 7
8
IC1452 AK4355VF-E2 (DIGITAL BOARD (2/3))
28 27 26 25 24 23 22 21 20 19 18 17 16 15
SCF SCF SCF SCF SCF SCF
DAC DAC DAC DAC DAC DAC
DATT DATT DATT DATT DATT DATT
AUDIO I/F
CONTROL
REGISTER
1 2 3 4 5 6 7 8 9 10 11 12 13 14