Sony STR-DB795 Service Manual

STR-DB795
3535
STR-DB795
R388
D351
D352
Q351Q352 R360 R358
R357
J351
C374
C375
C376
L371 R376C368
R374 C372 C373R375 R377
C369
R363 R371 C370
L370 R372
C371
R362R361
C378
C352
C380 R378
C381
C379
L376
Q371
C384
C353
C382
C367
C366
C355
C356
C387
C385
C357
C
3
83
C
3
89
L372
JW300
C354
C390
C388
C386
L
37
3
L
3
7
7
R369 R368
C377
C362
FB354
C391
C392 R386
R365
R366
C393
C396
C397
FB353
C395
R387
C394
C398
R380 R382 C364 C363
R381
L374 R383
C365
R379
R389
C399
C360R390C361R391
CN351
CNP352
R373
R367
IC370
L375
IC372
Q370
Q372
R359
X
37
0
R392
IC371
RY351
RY352
RY353
RY354
390
1SS133
1SS133
2SC27852SC2785 10k 10k
2.2k
9P
470
10V
22
50V
47
10V
1k4.7 50V
1M 12p 22p1.2k 820
0.1
1M 1.2k 12p
820
22p
1k1k
0.1
0.1
0.01 820
0.01
180p
2SC2785
0.1
100
10V
0.1
0.01
0.1
0.47
50V
0.01
0.01
0.01
0.01
1
00
1
0V
0
.1
0.1
100
10V
0.1
100
10V
33k 33k
0.1
470
10V
47
10V
0.1 1 0k
100
100
15p
4.7
50V
0.01
0.01
10k
2.2
50V
56p
12k 1.2k 12p 22p
12k
1.8k
47
10V
820
390
10
50V
560p1M390p15k
11P
3P
820
10k
TC90A69N
NJM2268D
2SC2785
2SC2785
2.2k
*
*
*
SW4
SW3
+5V
GND
V
Y
C
NC
NC
NC
NC
SCL
SDA
RESET
*
VIDEO SYNC
SEPARATOR
VIDEO AMP
BUFFER
Y SYNC
BUFFER
C SYNC
BUFFER
VIDEO
Q351,352
RELAY DRIVE
L375
22uH
33uH
(EXCEPT TW,KR)
(TW,KR)
*
(EXCEPT TW,KR)
(TW,KR)3.5795MHz
4.43MHz
*
(EXCEPT TW,KR)
(TW,KR)
IC371
X370
MM1093NF
MM1093PFB
(EXCEPT TW,KR)
(TW,KR)
4.7k
5.6k
CLOCK GENERATOR
OSC R
NC
FSC
OUT
GND2
GND1
X'TAL
APC1
FILTER
FILTER
ACC
CHROMA
IN
VCC 1
VCC 2
OSC C
FILTER
APC2
OUT
4FSC
FILTER
BURST GATE
IN
C
O
M
P
O
S
IT
E
VIN2
VOUT1
VIN1
GND
VSAG1
VOUT2
NC
V+
-1-2-1-2
-1-2-1-2
RR
BB
Y
P /C /R-Y
P /C /B-Y
RR P /C /R-Y
BB
P /C /B-Y
Y
Y
RR
P /C /R-Y
BB
P /C /B-Y
COMPONENT
VIDEO
MONITOR OUT
COMPONENT
VIDEO
DVD IN
COMPONENT
VIDEO
TV/SAT IN
27µH
27µH
100µH
100µH
27µH
100µH100µH
(Page 29)
(Page 33)
6-18. SCHEMATIC DIAGRAM – COMP-V Section –
• See page 54 for Waveform. • See page 55 for IC Block Diagrams.

Sony STR-DB795 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230V, 50/60Hz
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
Frequency range	20 - 20000 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g