Sony STR-DG910, Service Manual

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STR-DG910
56 56
STR-DG910
• IC Block Diagrams
IC2560 BD3842FS-FD2 (MAIN BOARD (1/4))
IC1302 TC74ACT153F(EL) (DIGITAL BOARD (1/5))
IC1301 LC890561W (DIGITAL BOARD (1/5)) IC400 µPC2581V-S (MAIN BOARD (3/4))
IC500 µPC2581V-S (MAIN BOARD (3/4))
IC600 µPC2581V-S (MAIN BOARD (4/4))
IC700 µPC2581V-S (MAIN BOARD (4/4))
IC1452 PCM1609APT (DIGITAL BOARD (2/5))
IC1603 PCM1803DBR (DIGITAL BOARD (2/5))
PROTECTOR
DRIVE
1
2
3 4 5 6 7 8 9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
+VOUT1
MUTE
–VOUT1
NF1
COMP1 COMP2
IN1
GND
IN2
NF2
–VOUT2 +VOUT2
VCC VCC
VEE
DRIVE 37 CE
38 CLK
39 XSEL
40 MODE0
41 MODE1
42 DGND
43 DVDD
44 DOSEL0
45 DOSEL1
46 CKSEL0
47 CKSEL1
48 XMODE
36
DI
MICRO
CONTROLLER
35
DO
34
ERROR
33
BPSYNC
32
VREF
31
DGND
30
DVDD
29
VF/DATAO2
28
F2/DLMP
27
F1/FSB1
26
F0/FSB0
25
CSFLAG
1
DISEL
2
DOUT
3
DIN0
4
DIN1
5
DIN2
6
DGND
7
DVDD
8
SDIN
9
AGND
10
LPF
11
AVDD
12
AGND
23 EMPHA
22 XIN
24 AUDIO
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
PA,PB DETECT
REGULATOR FS CALCULATION
AMP
CLOCK
SELECTOR
DATA SELECTOR
DATA SELECTOR
BUFFER RAM
INPUT SELECTOR
PLL
DEMODULATION
&
LOCK DETECT
C-BIT DETECT
16 15 14 13 12 11 10 9
1
2
3
4 5
6 7 8
2G
2C3 2C2 2C1 2C0 2Y
VCC 2C3 2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B B A A
B B A A
1G
1C3 1C2 1C1 1C0 1Y
STROBE
1G
B
SELECT
1C3 1C2 1C1 1C0 OUTPUT
1Y
GND
DATA INPUTS
SYSTEM
CLOCK
MANAGER
FUNCTION
CONTROL
INTERFACE
SERIAL
INPUT
INTERFACE
4X/8X
OVER SAMPLING
DIGITAL
FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-
LEVEL
DELTA-
SIGMA
MODULE
ZERO DETECT
DAC LPF
DAC LPF
DAC LPF
DAC LPF
DAC LPF
DAC LPF
DAC LPF
DAC LPF
RST
SCKI
SCKO
BCK
TEST
VDD
DGND
DATA1
DATA2
DATA3
ZEROA
LRCK
37
38
39
40
42
43
44
45
46
47
48
41
ZERO1 ZERO2 ZERO3 ZERO4 ZERO5 ZERO6
NC NC
VOUT6 VOUT5 VOUT4 VOUT3
1 2 3 4 5 6 7 8 9 10 11 12
VOUT2
VOUT1
VCOM
VOUT7
AGND5
VCC5
AGND6
VOUT8
AGND4
VCC4
AGND3
VCC3
13
14
15
16
17
18
19
20
21
22
23
24
ML MC MDI MDO
ZERO8 DA
TA
4
ZERO7
NC VCC1 AGND1 VCC2 AGND2
36 35 34 33 31 32 30 29 28 27 26 25
VINL 1
VINR 2
VERF1 3
VERF2 4
VCC 5
AGND 6
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
MODE1 20
MODE0 19
FMT1 18
FMT0 17
OSR 16
SCKI 15
VDD 14
DGCD 13
DOUT 12
BCK 11
Single-End
/Differential
Converter
5 th Order
Delta-Sigma
Modulator
5 th Order
Delta-Sigma
Modulator
Reference
Single-End
/Differential
Converter
×
1/64 (
×
1/128)
Decimation
Filter
with
DC Cut Filter
Power Supply
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
24 23 22 21 20 19 18 17 16 15 14
1 2 3 4 5 6 7 8 9 10 11 12
13
F-SW1 F-SW2
JSW1 JSW2
DGND CL DA VEE BIAS VCC RECA2 RECB2 OUT1 OUT2 RECA1 RECB1
INA1 INA2 INB1 INB2 INC1 INC2 IND2 INE2
INF1 INF2
IND1 INE1
LOGIC
*
F-SW1:INPUT FUNCTION1
F-SW2:INPUT FUNCTION2