Sony STR-DB790 Service Manual

STR-DA1000ES/DB790
2121
6-3. BLOCK DIAGRAM – AUDIO CONTROL Section –
BUFFER
IC602 (2/2)
+
MODE CONTROL
INTERFACE
SERIAL INPUT
INTERFACE
MULT-FUNCTION
X8 OVER SAMPLING
DIGITAL FILTER
D/A
CONVERTER
LPF
AMP
LPF
AMP
LPF
AMP
LPF
AMP
MUTING
Q701
MUTING
Q601
MUTING
Q501
MUTING
Q401
MUTING
Q701
E
(Page 20)
SDO1,
SDO2,
SDO3,
SDO4
F
(Page 20)
BCKO,
LRCKO
G
(Page 20)
S MUTE
TRIM
LEVEL SHIFT
CIRCUIT
CENTER
SUB WOOFER
Q
(Page 23)
DATA, CLK, LAT
(Page 23)
DATA, CLK, LAT
J
(Page 22)
FL
LEVEL SHIFT
CIRCUIT
L
(Page 22)
SL
M
(Page 22)
SBL
N
(Page 22)
SB (R)
R
(Page 22)
SW
LEVEL SHIFT
CIRCUIT
K
(Page 22)
C
J101
45
46
47
40
41
DATA1
DATA2
DATA3
BCK
LRCK
BCKO
LRCKO
SCKI
SDO1
SDO2
SDO3
SDO4
SDO2
SDO4
34
MDI
35
MC
36
ML
37
RST
33
MDO
ML RST MDO
14
10
12
11
VOUT1
VOUT5
VOUT3
VOUT4
2 DATA
3LRK
16 SCK
15
ML
14
MC
13
MD
7VO L
D/A
CONVERTER
IC1502
LRCKO
1 BCK
BCKO
AUDIO SELECTOR
IC101
95.1FL
12 5.1SL
28 5.1 C
15 5.1SW
2 PHONO
3 MD IN
4 MD OUT
5CD
24COUT
11
FLOUT
19SWOUT
10
13 D/ASL
14SLOUT
22
DATA
21
CLK
23
LAT
26 D/A C
17 D/ASW
17
VRIN
20
OUT
22
21
TRIM
12
CLK
14
LAT
13
DATA
CLK LAT DATA CLK LAT DATA
17
VRIN
20
OUT
22
TRIM
21
TRIM
12
CLK
14
LAT
13
DATA
8
VRIN
5
OUT
3
TRIM
4
TRIM
CLK LAT DATA
12
CLK
14
LAT
13
DATA
CLK LAT DATA
17
VRIN
20
22
21
OUT
TRIM
TRIM
10 DATA OUT
12 LAT
8 RST
13 DATA IN
9CLK
17 PCM1748 LAT
69 GROUPING SW
MDO
ML
RST
MDI
MCI
71SW RELAY
SYSTEM CONTROLLER
IC1601 (3/6)
DATA CLK LAT
MDI
MCI
FRONT
L
SURR
L
B
(Page 19)
TUNER-L
H
(Page 20)
SCLKO
6 TUNER
D
(Page 20)
SOURCE-L
7A/D, V
8 2CH
LINE AMP
IC1521
LINE AMP
IC1561
LINE AMP
IC1541 (1/2)
LINE AMP
IC1541 (2/2)
9
VOUT6
13
VOUT2
R-CH
R-CH
D/AFL
LINE AMP
IC1581 (2/2)
MUTING
Q651
8VO R
LINE AMP
IC1581 (1/2)
BUFFER
IC602 (1/2)
BUFFER
IC502
ELECTRICAL
VOLUME
IC401
AUDIO SELECTOR
IC173
ELECTRICAL
VOLUME
IC601
BUFFER
IC652 (2/2)
LEVEL SHIFT
CIRCUIT
17
VRIN
20
OUT
22
TRIM
21
TRIM
12
CLK
14
LAT
13
DATA
8
VRIN
5
OUT
3
TRIM
4
TRIM
CLK LAT DATA
BUFFER
IC652 (1/2)
ELECTRICAL
VOLUME
IC651
ELECTRICAL
VOLUME
IC501
D/A CONVERTER
IC1501
LINE AMP
IC112
LINE AMP
IC111 (1/2)
LINE AMP
IC111 (2/2)
22
27
26 25
19
2117
23
BUFFER
IC171
LINE AMP
IC110
CONTROL
1415 16
6
2
5
DATA
SELECTOR
IC1504
1
(DB790)
(DA1000ES)
38
J151
PHONO IN
L
L
CD/SACD IN
J131
MD/TAPE IN
L
L
MD/TAPE OUT
PHONO
EQ AMP
IC131
BUFFER
IC402
J203
SUB WOOFER
RY807
P
RELAY
DRIVE
Q826
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: TUNER
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
MUTING
CONTROL SWITCH
Q813
(DA1000ES)
(DA1000ES)
ANALOG
MULTI CH IN
ANALOG
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
http://www.xiaoyu163.com

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