Block Diagram − Audio Dsp Section - Sony STR-DB798 Service Manual

STR-DB798
6-2. BLOCK DIAGRAM – AUDIO DSP Section –
AUDIO SELECTOR
IC201
J201
TV/SAT AUDIO IN L 2
DVD AUDIO IN L 3
VIDEO 2 AUDIO OUT L 4
VIDEO
J202
VIDEO 2 AUDIO IN L 5
VIDEO 1 AUDIO OUT L 7
VIDEO 1 AUDIO IN L 8
VIDEO 3
10
INPUT L
AUDIO
CONTROL
J1091 (2/2)
15 14 16
DATA, CLK, LAT
(Page 17) C
SOURCE-L
(Page 15) D
VIDEO 3
DIGITAL OPTICAL
DIGITAL SELECTOR
INPUT
RECEIVER
IC1103
DIGITAL
IC1081
OPTICAL
3
DIGITAL OPTICAL
OPTICAL
RECEIVER 4
DVD IN
IC1104
DIGITAL OPTICAL
OPTICAL
5
RECEIVER
TV/SAT IN
IC1105
DIGITAL OPTICAL
OPTICAL
DIGITAL RECEIVER 6
MD IN
IC1106
A B
14 2
J1101
IC1102
COAXIAL IN
DVD
IC1151
COAXIAL IN
SA-CD/CD
DIGITAL OPTICAL
OPTICAL
TRANSCEIVER
MD OUT
IC1107
STR-DB798
A/D CONVERTER
IC1401
DOUT
LIN
BUFFER
12 1
IC1402
BCK
LRCK
CLOCK/
SYSCLK
TIMING CONTROL RESET
/POWER CONTROL
6
DIGITAL AUDIO INTERFACE RECEIVER
7
IC1101
DIN0 DATAO
DATA
3
DEMODULATOR
DIN1
4
INPUT ERROR
LOCK
DIN2
CIRCUIT
5 DETECT
DOUT
2 BCK
LRCK
TIMING
CKOUT
XSTATE
XMCK
CLOCK
XOUT
XIN
AUDIO
MICON INTERFACE
XMODE
47 36 38 37 35 48
S-RAM D0 – D15 A0 – A15
IC1202
7 – 10, 13 – 16, 5 – 1, 44 – 42,
29 – 32, 35 – 38 27 – 24, 21 – 18
108, 107, 105 – 102, 112, 110, 109,
99, 98, 80 – 77, 97 – 92, 82 – 85,
66 – 64
75 – 72
D0 – D15 A0 – A15
15 18 SDI1
14 17 BCKI1
29 BCKI2
13 15 LRCKI1
28 LRCKI2 AUDIO DIGITAL
16 SIGNAL PROCESSOR
59 EXLOCK IC1201
30 SDI2
69 22 9 12 33 34 36 35 32 68
X1201
13.9MHz
103 104 89 102 90 88 84
91 ADC:RST
SYSTEM CONTROLLER
IC1703 (2/6)
A
69 OPT SEL2
B
70 OPT SEL1
CKSEL1
74 CKSEL1
DI
79 DI
CLK
75 CLK
CE
76 CE
DO
80 DO
XMODE
73 XMODE
72 71
16
D1101
34
14
15
13
17
20
21
X1101
12.288MHz
22
24
14 14
17 6
45 44
SDO1 23 66 FLFRI
SDO2 24 65 SLSRI
SDO3 25 64 CSWI
SDO4 26 63 DLDRI
BCKO 20 60 BCKI
LRCKO 19 CLOCK 59 LRCKI
BUFFER
GP10 67
IC1950
68 CLK512
56
37 113 2
SIGNAL
5
SELECTOR
IC1204
6
1 2
87 86 82 85
EEPROM
IC1604
EEPROM SDA 112 5 SDA
EEPROM SCL 111 6 SCL
AUDY_DATA 78 74 SI
AUDY_CLK 81 72 SCLK
AUDY_DATA_IN 28 75 SO
AUDY_LATCH 29 73 XCS
AUDY_RESET 30 70 XRST
58 57
25 121 67
D1601 X1601
16.5MHz
MUTING
SWITCH
Q1602
MUTING
SWITCH
Q1601, 1603
SWITCHING
IC1503
BCKO,
LRCKO
F
(Page 15)
LIP SYNC ADJUST
IC2010
SDO1, SDO2,
SDO3, SDO4
SDO1
FLFRO 47 E
SDO2
SLSRO 46
(Page 15)
SDO3
CSWO 45
SDO4
DLDRO 44
D0 – D15 DQ0 – 15
A0 – 11 A0 – 11
WE 10 15 WE
CAS 11 16 CAS
RAS 12 17 RAS
CS 13 18 CS
CLK 14 35 CLK
CKE 15 34 CKE
SD-RAM
IC2050
S MUTE
G
(Page 15)
SCLKO
H
(Page 15)
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)