Sony STR-DG810 Service Manual page 46

STR-DG810
Q Q
3 7 6 3 1 5 1 5 0
• IC Block Diagrams
IC401 BD3451KS (MAIN BOARD (1/2))
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
8CH INPUT 3 LOGIC
50
INCR
INCL 49
AGND6 48
ROUTBR 47
ROUTBL 46
ROUTAR 45
ROUTAL 43
AGND5 42
AOUTR 41
40
AOUTL
AGND4 39
INIR 38
37
INIL
INHR 36
INHL 35
34
INGR
INGL 33
INFR 32
31
INFL
INER 30
2CH INPUT SELECTOR
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC501 µPC2581V-S (MAIN BOARD (2/2))
IC601 µPC2581V-S (MAIN BOARD (2/2))
IC701 µPC2581V-S (MAIN BOARD (2/2))
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
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/5))
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
w w w
B B A A
1G
1C3 1C2 1C1 1C0 1Y
1 2 3 4 5 7
6 8
STROBE B 1C3 1C2 1C1 1C0 OUTPUT GND
1G SELECT 1Y
DATA INPUTS
STR-DG810
68 69 70 71 72 73 74 75 76 77 78 79 80
81
OUTSW
INPUT GAIN
82 OUTSBR
SW
83 OUTSBL
84 OUTSR
SBR
85 OUTSL
86 OUTC
SBL
87 OUTR
88 OUTL
SR
89 AGND16
90
VINL
SL
91 GOUTL
92 AGND17
C 93
VINR
94 GOUTR
95 AGND18
R
96
VINC
97 GOUTC
L
98 AGND19
99
VINSL
100 GOUTSL
8CH INPUT 2 8CH INPUT 1
IC1301 LC890561W (DIGITAL BOARD (1/5))
36 35 34 33 32 31 30 29 28 27
REGULATOR FS CALCULATION
PA,PB DETECT
CE 37
C-BIT DETECT
CLK 38
XSEL 39
MODE0 40
DATA SELECTOR
MODE1 41
DATA SELECTOR
DGND 42
DVDD 43
BUFFER RAM
DOSEL0 44
DOSEL1 45 DEMODULATION
&
LOCK DETECT
CKSEL0 46
CKSEL1 47
INPUT SELECTOR
XMODE 48
x a o
y
. i
1 2 3 4 5 6 7
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IC1015 TC4052BFT(EL, N)
(DIGITAL BOARD (2/5))
0Y 1 16 VCC
15 2X
2Y 2
14 1X
COMY 3
13 COMX
3Y 4
12 0X
1Y 5
6
INH 11 3X
VEE 7 10 A
VSS 8 9 B
Q Q
3 7 6
IC1603 PCM1803DBR (DIGITAL BOARD (2/5))
26 25
Single-End
VINL 1
/Differential
VINR 2 Converter
VERF1 3
VERF2 4
24 AUDIO
23 EMPHA
Reference
22 XIN
21 XOUT
Single-End
20 XMCK
/Differential
19 DVDD
Converter
18 DGND
17 XSTATE
16 DATAO VCC 5
AGND 6
PDWN 7
15 LRCK
BYPAS 8
14 BCK
PLL
13 CKOUT
FSYNC 9
LRCK 10
u 1 6 3
.
8 9 10 11 12
46 46
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2 4
8 9 9
IC1452 PCM1609APT (DIGITAL BOARD (2/5))
36 35 34 33 32 31 30
FUNCTION
RST 37
CONTROL
INTERFACE
SYSTEM
SCKI 38
CLOCK
SCKO 39
MANAGER
BCK 40
LRCK 41
TEST 42
4X/8X ENHANCED
OVER SAMPLING MULTI-
SERIAL
DIGITAL LEVEL
VDD 43
INPUT
FILTER DELTA-
INTERFACE
WITH SIGMA
DGND 44
FUNCTION MODULE
CONTROLLER
DATA1 45
DATA2 46
DATA3 47
ZEROA 48
ZERO DETECT
1 2 3 4 5 6 7 8
3 1 5 1 5 0 8 9 2
5 th Order
Delta-Sigma
Modulator
× 1/64 (× 1/128)
Decimation
Filter
with
DC Cut Filter
5 th Order
Delta-Sigma
Modulator
Power Supply
Clock and Timing Control
m
c o
2
8 9 9
29 28 27 26 25
24 VCC3
23 AGND3
22 VCC4
21 AGND4
DAC LPF 20 VOUT8
19 AGND6
DAC LPF
18 VCC5
17 AGND5
DAC LPF
16 VOUT7
DAC LPF
15 VCOM
DAC LPF
14 VOUT1
DAC LPF
13 VOUT2
DAC LPF
DAC LPF
9 10 11 12
4 9 8 2 9 9
20 MODE1
19 MODE0
Serial
18 FMT1
Interface
17 FMT0
Mode/
Format
Control
16 OSR
15 SCKI
14 VDD
13 DGCD
12 DOUT
11 BCK