Block Diagram - Digital Section - Sony STR-DG910 Service Manual

STR-DG910
5-2. BLOCK DIAGRAM — DIGITAL SECTION —
TUNER/
C
AUDIO MIC_L
SECTION
(Page 17)
TUNER/
L-IN
A
AUDIO
R-IN R-CH
SECTION
(Page 17)
MIC AMP
IC2501
J2500
BUFFER
3 1
AUTO CAL MIC
Q2500
9
J1301 IC1303
SA-CD/ -1
WAVE
CD/CD-R
3 2
SHAPER
IN
(COAXIAL)
IC1304
-2
WAVE
DVD
3 2
SHAPER
IN
(COAXIAL)
SELECTOR
IC1352
IC1302
VIDEO 1
OUT 1 6 7
IN
5
DIGITAL (OPTICAL)
(ASSIGNABLE) 4
3
IC1351
A B
VIDEO 2/
OUT 1
14 2
BD IN
(OPTICAL)
IC1354
SAT
1
OUT
X1301
IN
12.288MHz
(OPTICAL)
DCAC_ON/OFF
TC74HC153_A
VIDEO
G
SECTION TC74HC153_B
(Page 19)
HDMI SELECT
IC2502
+3.3V(MIC) 3 +3.3V REG 1
+5V
STR-DG910
SD0–SD3
LRCK
HDMI MCK
H
BCK
SECTION
(Page 20) MUTE ERROR
SPDIF
ADC
IC1603
L IN
1
DIGITAL
DOUT
∆Σ
DECIM. 12
MOD.
R IN
FILTER
R-CH 2
PDWN 7
15 11 10
DIGITAL AUDIO
I/F RECEIVER
IC1301
20 8
DIN2
5 AUDIO
24
CKOUT 13
BCK 14
DIN1
4
LRCK 15
DATAO
DATA
INPUT 16
DEMODULATOR
DIN0
3
Pa,Pb DETECTION LOCK ERROR
34
DETECTION
C bit DETECTION
MICROPROCESSOR
I/F
21
XOUT
22 XIN
38 37 36 35 46 17 48
VDD
+3.3V
45 46 47 48 39 3 38
DSP EX3
IC1009
80 DSPIC
I I
82 DSPIE
78 DPSIA
DPSOA
CLOCK SELECTOR
IC1008
CLKIN
2
4 79 DPSIB
3
XTAL
5
7 88 DPLRCK
6
10
DPSOB
9
11
13
12 89
DPBCK
14
1
97 NON AUDIO
DPSOC
1
CLOCK
DPFSCK
GENERATOR
IC1016
8
DPSOD
7
2
5
16 DIR_ERR
1
DPDVBCK
ERROR DETECT
DPDVLRCK
IC1017
15
INT_REQ
XSF_CE
122 XSPIDS
121 XRESET
125 127 63 126
BUFFER
IC1004
6 3
1
7
D1301
5 2
63 64 65 83 49 50 91 90 67 89
SYSTEM
CONTROL
IC1010 (2/7)
18 18
8CH DAC
AMP
IC1452
IC1403
VOUT5
10 3
DATA3
64 DAC
47
VOUT6
9 R-CH
142
X1302
AMP
25MHz
IC1405
143
VOUT1
14 5
DATA1
DAC
65 45
VOUT2
13 R-CH
AMP
IC1404
VOUT3
12 3
DATA2
DAC
70 46
VOUT4
IC1014
11 5
SWITCH
94 5 1
VOUT7
16 5
DATA4
DAC
71 31
VOUT8
20 R-CH
AMP
IC1406
38 SCKI
40 BCK
87
LRCK
86 41
98
33 34 35 36 37
S.FLASH
IC1011
SO
2
5 SI
6 SCK
CE
SPI SELECT
1
IC1003
2 • Signal path
7
5
1
• R-ch is omitted due to
same as L-ch.
66 28 72 2 1 69
1 L OUT
7 SL OUT
TUNER/
B
AUDIO
SECTION
(Page 17)
1 C OUT
7 SW OUT
7 SBL OUT
: TUNER (FM/AM)
: VIDEO (AUDIO)
: DVD (DIGITAL)