Ic Block Diagrams - Sony STR-DE897 Service Manual

STR-DE897
Q Q
3 7 6 3 1 5 1 5 0

4-33. IC BLOCK DIAGRAMS

IC402 TC9273N-011 (MAIN BOARD (1/4))
VSS 1 28 VDD
5.1L 2 27 5.1R
6.1L 3 26 6.1R
LOUT 4 25 ROUT
5.1SL 5 24 5.1SR
6.1SL 6 23 6.1SR
10BIT 10BIT
SLOUT 7 LATCH LATCH 22 SROUT
CIRCUIT CIRCUIT
(L-CH) (R-CH)
NC 8 21 NC
5.1C 9 20 5.1SW
6.1C 10 19 6.1SW
COUT 11 18 SWOUT
NC 12 17 NC
GND 13
16 STB
LEVEL SHIFT & SHIFT REGISTER
CLK 14
15 DAT
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC400 µPC2581V-S (MAIN BOARD (2/4))
IC500 µPC2581V-S (MAIN BOARD (2/4))
IC600 µPC2581V-S (MAIN BOARD (4/4))
IC700 µPC2581V-S (MAIN BOARD (4/4))
BIAS CIRCUIT
PROTECTOR
PRE
PRE
REG DRIVE DRIVE
DRIVE
DRIVE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
w w w
IC1301 LC89056W-E (DIGITAL BOARD (1/3))
12 11 10 9 8 7 6
13
CKOUT
BCK 14
LRCK 15
DATAO 16
XSTATE 17
DGND 18
DVDD 19
20 X'TAL1
XMCK
TIMING
XOUT
21
XIN 22
EMPHA 23
AUDIO
24
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/3))
DATA INPUTS
STROBE A OUTPUT
VCC 2C3 2C2 2C1 2C0
2G SELECT
16 15 14 13 12 11 10
2C3 2C2 2C1 2C0
2G
B B A A
B B A A
1G
1C3 1C2 1C1 1C0 1Y
1 2 3 4 5 6 7
STROBE B 1C3 1C2 1C1 1C0 OUTPUT
1G SELECT 1Y
DATA INPUTS
x a o
y
. i
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5 4 3 2 1
PLL INPUT
DATA
DEMODULATOR
LOCK fs
DETECTION CALCULATION
25 26 27 28 29 30 31 32 33 34 35 36
Q Q
3 7 6
2Y
9
2Y
8
GND
u 1 6 3
44 44
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2 4
8 9 9
IC1401 AK5380VT-E2 (DIGITAL BOARD (2/3))
48
XMODE
47 CKSEL1
46 CKSEL0
∆Σ DECIMATION
AINR 1
45 DOSEL1 MODULATOR FILTER
44 DOSEL0
43 DVDD
∆Σ DECIMATION
AINL 2
42 DGND
MODULATOR FILTER
41 MODE1
NC 3
MODE0
40
4 VOLTAGE REFERENCE
VCOM
39 XSEL
38 CLK
AGND 5
VA 6
37 CE
VD 7
8
DGND
3 1 5 1 5 0 8 9 2
IC1452 AK4355VF-E2 (DIGITAL BOARD (2/3))
28 27 26 25 24 23 22 21
SCF SCF SCF
DAC DAC DAC
DATT DATT DATT
AUDIO I/F
1 2 3 4 5 6 7 8
m
c o
.
2
8 9 9
16 TST
15 TTL
CLOCK DIVIDER
14 DIF
PDN
13
12 SCLK
11 MCLK
10 LRCK
SERIAL I/O
9
SDTO
INTERFACE
4 9 8 2 9 9
20 19 18 17 16 15
SCF SCF SCF
DAC DAC DAC
DATT DATT DATT
CONTROL
REGISTER
9 10 11 12 13 14