Sony STR-DB790 Service Manual

STR-DA1000ES/DB790
3737
6-19. SCHEMATIC DIAGRAM – COMP-V Board – • See page 56 for Waveform. • See page 57 for IC Block Diagrams.
C366
R388
C399
R389
R385
FB354
R384
C360R390R391 C361
C363C364R382
C365
R380
C362
R383
R379
R392
R387C393
R386
X370
C394
C395
C396
C398
C397
C391
C392
C387
C386
C385
C388
C390
C389
C383
C384
C367
C381
C382
C380
R378
IC370
C369
R371 C370 C371 R372
Q370
R373
C379
Q371
C374
C378C377
R361 R362
C375
C376
R358
R357
Q351
FB353
R359R360
Q352
D352
D351
CN351
J351
E351
RY351
RY352
RY353
RY354
IC372
R381
IC371
Q372
C368
R374 R375 C372 C373 R377
R376
C351
0.1
390
0.47
50V390
75
75
560p1M15k 390p
22p12p1.2k
47
10V
12k
47
10V
330
L374
27µH
820
5.6k
10k15p
10k
3.5795MHz
2.2
50V
0.01
4.7
50V
56p
L375
33µH
0.01
47
10V
0.1
0.47 50V
0.01
0.01
0.01
100
10V
0.1
100
10V
0.1
L372
100µH
0.01
L373
100µH
0.01
0.1
0.01
820
TC90A45F
0.1
1.2k 12p 22p
L370
27µH 330
2SC2785
820
180p
2SC2785
470
10V
0.10.1
1k 1k
22
50V
47
10V
10k
2.2k
2SC2785
2.2k10k
2SC2785
1SS133
1SS133
11P
9P
NJM2268D
12k
MM1093NF
2SC2785
4.7 50V
L371
27µH
1M 1.2k 12p 22p 820
560
2200p
A1
A2
A3
A4
A5
A6
A7
A9
A1A2 A3
A4A5 A6
A7 A9
B1 B2 B3
B1 B2 B3
SW4
SW3
+5V
GND
Y
Y
P B /C B /B-Y
P R /C R /R-Y
P B /C B /B-Y
P R /C R /R-Y
Y
P B /C B /B-Y
P R /C R /R-Y
COMPONENT
VIDEO
TV/SAT IN
COMPONENT
VIDEO
DVD IN
COMPONENT
VIDEO
MONITOR OUT
DRIVE
RELAY
DRIVE
RELAY
(DA1000ES)
C SYNC
BUFFER
BUFFER
Y SYNC
VIDEO AMP
VIN2
V
OU
T1
VIN
1
G
N
D
V
SA
G1
VO
U
T2
N
C
V+
DVDDDVSS
CKIN
VFIL
BIAS3
KILLER
TEST
BIAS1
ADIN
VRT
VRB
AVSS
COUT
BIAS2
YOUT
AVDD
VIDEO SYNC
SEPARATOR
CLOCK GENERATOR
O
S
C
R
N
C
F
S
C
O
U
T
G
N
D
2
G
N
D
1
X
'T
A
L
A
P
C
1
FIL
TE
R
FIL
TE
R
A
C
C
C
H
R
O
M
A
IN
V
C
C
1
V
C
C
2
O
S
C
C
F
IL
T
E
R
A
P
C
2
O
U
T
4
F
S
C
FILT
E
R
B
U
R
S
T
G
A
T
E
IN
COMPOSITE
V-M
C-M.OUT
-5V
VIDEO BUFFER
Y-M.OUT
-2 -1-2 -1
-2 -1 -2 -1
V-M.OUT
Y-M
C-M
(CHASSIS)
(Page 35)
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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