Sony STR-DB795 Service Manual

STR-DB795
2828
STR-DB795
IC1402
R1584 R1574 R1564 R1554 R1544 R1534 R1524
R1522
R1521
IC1521
R1531
R1532
R1542
R1541
C1543
C1523
C1533
R1543 R1533 R1523
C1532
C1542
R1552
R1551
R1562
R1561
C1563
C1553
C1573
R1582
R1581
R1572
C1572C1582
R1571
IC1561
C1583
C1593
R1591
R1592
C1592
R1593
R1594
R1583 R1573 R1563 R1553
IC1541IC1581
R1434R1424
C1414 C1415
R1421
IC1403
R1432R1422
C1418
R1431
IC1401
C1408
C1405
C1401
FB1401
R1402
R1401
R1504
C1509
R1506
C1502
R1502
R1503
R1501
C1503
R1540
R1550
R1560
R1570
R1530
R1520
FB1502
C1552
C1562
C1522
C1508
C1511
C1510
R1580R1590C1512
D1502C1514
IC1501
CN1101
C1412C1413
D1501
IC1502
C1416
R1512
C1309
C1311
C1310
C1227
C1913
IC1902
R1364
R1314
C1411
IC1504
C1513
C1594 C1584 C1574 C1564 C1554 C1544 C1534 C1524
C1417
C1402
C1403
C1404
C1406
C1407
C1501
C1507
C1504
C1409
C1410
C1221
R1705
R1711
R1710
CN1103
TU301
C1915 C1914
C1916
IC1905
C1506
R1505
M5218AFP-T
100k 100k 100k 100k 100k 100k 100k
22k
1.5k
M5218AFP
1.5k
22k
22k
1.5k
180p
180p
180p
1k 1k 1k
0.0018
0.0018
22k
1.5k
22k
1.5k
180p
180p
180p
22k
1.5k
22k
0.00180.0018
1.5k
M5218AFP
180p
180p
1.5k
22k
0.0018
1k
100k
1k 1k 1k 1k
M5218AFPM5218AFP
100k100k
220p 220p
33k
7805
33k33k
0.1
33k
PCM1800
470p
470p
0.1
2.2k
1k
10k
0.1
100
0.1
100
100
100
0.1
8.2k
8.2k
8.2k
8.2k
8.2k
8.2k
0.0018
0.0018
0.0018
0.1
0.1
0.1
8.2k8.2k0.1
1SS3670.1
PCM1604
20P
0.10.1
1SS367
-T3
PCM1748
0.1
100
0.1
0.1
0.1
0.1
0.1
M5F7810L
0
0
0.1
TC7WH157FU
10
50V
100
25V
100
25V
100
25V
100
25V
100
25V
100
25V
100
25V
100
25V
470
16V
47 16V
10 50V
4.7 50V
4.7 50V
10 50V
330
10V
10
50V
220
16V
47
16V
0.1
0.1
100
100
100
47
16V
47
16V
0.1
2933
0.1
100
Y1
Y2
Y3
W1
W2
U1
U2
SOURCEL
S
O
U
R
C
E
L
SOURCER
S
O
U
R
C
E
R
SBL
S
B
L
SBR
S
B
R
SR
S
R
SW
S
W
C
C
FRONTL
FRONTL
FRONTR
FRONTR
SL
S
L
BCKI
LRCKI
XMCK
SCK
SCKI
DATA1
DATA2
DATA3
LR
CK
CK
LR
DATA3
SD04
R
D
S
-D
R
D
S
-I
F
M
S
IG
M
U
T
E
S
T
E
T
U
N
S
T
D
I
C
L
K
S
T
D
O
SUBT
PWRY
R
S
T
B
RST
M
L
M
C
MC
M
D
I
MDI
M
D
O
GRO
DA2
L
A
T
STOP
+15V
-15V
SOURCE-L
SOURCE-R
C
SR
SL
FRONT-R
TUNER-R
TUNER-L
FRONT-L
PW-RY
STOP
GND
GND
GND
SW
SBR
SBL
SUB-T
(3/4)
DATA SELECTOR
D/A CONVERTER
BUFFER
VCC
VEEVEE
VCC
BUFFER
VEE
VCC
BUFFER
VEE
VCC
BUFFER
VEE
VCC
BUFFER
G
IO
+5V REGULATOR
A/D CONVERTER
D/A CONVERTER
(AEP,UK)
(SUPPLIED WITH THE ASSEMBLED BLOCK)
15P
11P (EXCEPT AEP,UK)
(AEP,UK)
AM
ANTENNA
COAXIAL
G
IO
G
IO
+3.3V REGULATOR +10V REGULATOR
(AEP,UK)
TUNER UNIT
FM 75Ω
(Page 26)
(Page 27)
(Page 29)
(Page 39)
6-11. SCHEMATIC DIAGRAM – DIGITAL Section (3/4) –
• 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