Sony STR-DB798 Service Manual

STR-DB798
2424
STR-DB798
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
R1540
R1550
R1560
R1570
R1530
R1520
FB1502
C1552
C1562
C1522
C1511
C1510
D1502C1514
CN1101
C1412C1413
D1501
C1416
C1309
C1311
C1310
C1227
C1913
IC1902
R1364
R1314
C1411
C1594 C1584 C1574 C1564 C1554 C1544 C1534 C1524
C1417
C1403
C1404
C1406
C1407
C1501
C1410
C1221
R1705
R1711
R1710
CN1103
C1915 C1914
C1916
IC1905
R1509
C1507
R1590
R1580
C1402
IC1501
R1450
C1409
C1550
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
8.2k
8.2k
8.2k
8.2k
8.2k
8.2k
0.0018
0.0018
0.0018
0.1
0.1
1SS3670.1
20P
0.10.1
1SS367
-T3
0.1
0.1
0.1
0.1
0.1
0.1
TA7809
0
0
0.1
100
25V
100
25V
100
25V
100
25V
100
25V
100
25V
100
25V
100
25V
470
16V
10 50V
4.7 50V
4.7 50V
10 50V
330
10V
0.1
0.1
100
100
100
47
16V
47
25V
0.1
BA33BC0T
100
10 50V
8.2k
8.2k
47 25V
PCM1609
100
47
25V
220
10V
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
SCKI
DATA1
DATA2
DATA3
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
M
D
I
M
D
O
L
A
T
STOP
DATA4
LRCKO
SCKI
BCKO
+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)
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)
15P
11P (EXCEPT AEP,UK)
(AEP,UK)
AM
ANTENNA
COAXIAL
FM 75Ω
G
IO
G
IO
+3.3V REGULATOR +9V REGULATOR
(AEP,UK)
TUNER
99
6-11. SCHEMATIC DIAGRAM – DIGITAL BOARD (3/4) –
(Page 23)
(Page 22)
(Page 37)
(Page 25)
• See page 52 for Waveforms. • See page 53 for IC Block Diagrams.

Sony STR-DB798 Specifications

General

Impedance	8 Ω
Supported radio bands	FM
Radio Data System (RDS)	Yes
Channels quantity	7 channels
I/O ports	Output(Component x 1, Optical Digital x 1, Composite x 1, S-Video x 1), Input(Component x 2, Optical Digital x 4, S-Video x 4, Coaxial Digital x 2, Composite x 4)