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Sony STR-DB790 Service Manual

Sony STR-DB790
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STR-DA1000ES/DB790
1919
6-1. BLOCK DIAGRAM – TUNER/VIDEO Section –
SECTION 6
DIAGRAMS
• SIGNAL PATH
: TUNER
A
(Page 23)
DATA,
CLK
FM
AM
8L CH
10R CH
13FM SIG OUT
14RDS-INT
15RDS-DATA
58SW3
57SW4
59SW2
60SW1
2
ST-DO
4
CE
3
ST-DI
1
CLK
7
STEREO
11
MUTE
6
TUNED
(DB790: AEP, UK)
TU301
TUNER UNIT
53 RDS DATA
RDS SIGNAL
RDS CLOCK
78 SLATCH
73 TUNED
74 STEREO
75 MUTE
40
76 DO
52
SYSTEM CONTROLLER
IC1601 (1/6)
B
(Page 21)
TUNER-L
FM 75
COAXIAL
AM
R-CH
: VIDEO
ANTENNA
SW4
SW3
SW2
SW1
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
7
9
3
5
13
V3
V2. IN
TV
LD
V1. IN
10
4
14
6
2
15
1
SW2
SW3
SW1
SW4
SW5
V1.
OUT
M.
OUT
15
13
9
11
3
5
7
1
2
14
10
4
6
D302
D301
D851
D850
J1091 (1/2)
VIDEO 3
INPUT
VIDEO
TV/SAT IN
DVD IN
VIDEO 2 IN
VIDEO 2 OUT
J305
J304
VIDEO
VIDEO
VIDEO
VIDEO 1 IN
VIDEO 1 OUT
J1092
J852 (2/2)
J850 (2/2)
J850 (1/2)
J852 (1/2)
C
Y
C
Y
C
Y
C
Y
C
Y
J302
VIDEO SELECTOR
IC301
Y SWITCH
IC851
C SWITCH
IC850
VIDEO 3
INPUT
S-VIDEO
S-VIDEO
TV/SAT IN
S-VIDEO
DVD IN
S-VIDEO
VIDEO 1 IN
VIDEO
MONITOR OUT
V1. OUT
V1. IN
V2. IN
V2. OUT
TV
LD
V3
M. OUT
SW5
SW1
SW2
SW3
SW4
S-VIDEO
VIDEO 1 OUT
SW4
SW1
SW2
SW3
PB/CB/B-Y
PR/CR/R-Y
PB/CB/B-Y
PR/CR/R-Y
J351 (1/2)
Y
Y
J351(2/2)
Y
COMPONENT
VIDEO
TV/SAT IN
COMPONENT
VIDEO
DVD IN
PB/CB/B-Y
PR/CR/R-Y
COMPONENT
VIDEO
MONITOR OUT
C
Y
J851
S-VIDEO
MONITOR OUT
RY850
-2
-1
VIDEO BUFFER
Q372
10
13
4
15
VIDEO SYNC
SEPARATOR
IC370
4
1
7
16
CLOCK
GENERATOR
IC371
X370
7.5795MHz
C SYNC BUFFER
Q370
(DB790)
(DA1000ES)
RELAY
DRIVE
Q850, 851
SYNC SEPARATOR
IC852
Y SYNC BUFFER
Q371
RY352
-2
-1
RY354
RELAY
DRIVE
Q352
RY351
-2
-1
RY353
RELAY
DRIVE
Q351
VIDEO AMP
IC372
DATA
CLK
(DA1000ES)
• R-CH is omitted due to same as L-CH.
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

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Sony STR-DB790 Specifications

General IconGeneral
Dimensions (WxDxH)430 x 401 x 161 mm
Power requirements230 V, 50/60 Hz
Supported radio bandsFM, MW
Radio Data System (RDS)Yes
I/O ports5.1 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 technologyWired
Power consumption (standby)0.5 W
Power consumption (typical)290 W
Weight and Dimensions IconWeight and Dimensions
Weight12500 g

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