Sony STR-DB790 Service Manual

STR-DA1000ES/DB790
2020
6-2. BLOCK DIAGRAM – AUDIO DSP Section –
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
VIDEO
ANALOG
F
(Page 21)
BCKO,
LRCKO
G
(Page 21)
S MUTE
H
(Page 21)
SCLKO
LRCKO
BCKO
4
DIGITAL
CONTROL
DATA
DEMODULATOR
LOCK
DETECT
TIMING
MICON INTERFACE
CLOCK
INPUT
CIRCUOT
IC1102
J1101
J202
VIDEO 2 OUT
DVD IN
TV/SAT IN
L
L
L
VIDEO 2 IN
J1091 (2/2)
L
J201
L
L
L
DIGITAL AUDIO INTERFACE RECEIVER
IC1101
CLK LAT DATA
VIDEO SELECTOR
IC201
4
5
7
8
3
2
10
12
1415 16
6
5
14 2
7
36 38 37 35
47
CKSEK1 DI CE CLK DO
48
CKSEL1
B A
DI CLK CE DO XMODE
XMODE
3
DIN0
16
DATAO
34
ERROR
14
BCK
15
LRCK
17
XSTATE
21
XOUT
22
XIN
24
AUDIO
X1101
12.288MHz
D1601
HDIN
HDCLK
99
ERROR ANA/DIG
25
2019
91 SELECT1
22 AD RST
92 SELECT2
94 CKSEL1
97 DI
95 CLK
96 CE
98 DO
93 XMODE
5
HACN
7
PM
4
HCS
18
HDOUT
2
GP9
21
GP12
1
DATA0
100
XSTATE
A
B
CKSEL1
DI
CLK
CE
DO
XMODE
SYSTEM CONTROLLER
IC1601 (2/6)
18 SDI1
30 SDI2
SDCLK
69
GP8
68
GP9
36
HCS
34
HCLK
33
HDIN
35
HDOUT
32
HACN
113
PM
6
XRST
2
XRST
22
KFSIO
37
AUDIO DIGITAL
SIGNAL PROCESSOR
IC1201
23SDO1
24SDO2
25SDO3
19LRCKO
20BCKO
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
AB
VIDEO 1 IN
VIDEO 1 OUT
VIDEO 3
INPUT
AUDIO
DIGITAL OPTICAL
RECEIVER
IC1104
DIGITAL OPTICAL
RECEIVER
IC1105
DIGITAL OPTICAL
RECEIVER
IC1106
OPTICAL
DVDIN
DIGITAL OPTICAL
RECEIVER
IC1081
DIGITAL
OPTICAL
OPTICAL
TV/SAT IN
OPTICAL
MD/TAPE IN
OPTICAL
MD/TAPE OUT
DIGITAL OPTICAL
TRANSCEIVER
IC1107
DIGITAL SELECTOR
IC1103
28 LRCKI2
15 LRCKI1
29 BCKI2
17 BCKI1
59 EXLOCK
MUTING
SWITCH
Q1602
MUTING
SWITCH
Q1601, 1603
4
DIN1
5
DIN2
2
DOUT
9
MCLK1
12
MCLK2
X1201
13.5MHz
EEPROM
IC1604
534
633
SDA
SCL
SDA
SCL
82
X0
83
X1
X1601
16MHz
COAXIAL IN
ASSIGNABLE
DVD
CD/SACD
108, 107, 105 – 102,
99, 98, 80 – 77,
75 – 72
112, 110, 109,
97 – 92, 82 – 85,
66 – 64
7 – 10, 13 – 16,
29 – 32, 35 – 38
5 – 1, 44 – 42,
27 – 24, 21 – 18
S-RAM
IC1202
617
CS WE
4445
CSO
WEO
D0 – D15 A0 – A15
D0 – D15
A0 – A15
67GP10
SIGNAL-END
DEFERENTIAL
CONVERTER
DIGITAL ∑
MODULATOR
SERIAL I/O
INTERFACE
CLOCK/
TIMING CONTROL RESET
/POWER CONTROL
A/D CONVERTER
IC1401
15
14
BCK
16
SYSCLK
1
DOUT
LIN
6
RSTB
13
LRCK
BUFFER
IC1402
20
XMCK
C
(Page 23)
DATA, CLK, LAT
32
LRCK SW
3
BST
56
BST
6
2
5
1
SIGNAL
SELECTOR
IC1204
D1101
SDO3
E
(Page 21)
SDO1, SDO2,
SDO3, SDO4
D
(Page 21)
SOURCE-L
SDO2
26SDO4
SDO2
SDO1
SWITCHING
IC1503
13
CKOUT
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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Sony STR-DB790 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230 V, 50/60 Hz
Supported radio bands	FM, MW
Radio Data System (RDS)	Yes
I/O ports	5.1 Analogue Input - 1.0 Audio Input - 3.0 Audio Input Front - 1 AV, S-Video Audio Output - 1.0 Control A1 / A1 II Digital Input: coaxial - 1.0 Digital Input: optical - 4.0 Digital Output: optical - 1.0 Headphone Output Monitor Output (Picture): FBAS - 1.0 Monitor Output (Picture): S-Video - 1.0 Phono Input Speaker Selector A S-Video Input - 4.0 S-Video Output - 1.0 Video Input - 5.0 Video Output - 2.0
Connectivity technology	Wired
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g