Sony STR-DB795 Service Manual ▷ View online
STR-DB795
26
26
STR-DB795
C1118
C1123
IC1106
IC1105
IC1104
C1121
C1122
C1120
R1122
R1120
R1121
R1123
C1127
R1116
R1156
C1114
R1118
C1124
IC1103
IC1102
C1115
R1109
R1152
R1153
C1153
C1152
IC1151
C1154
R1107
C1107
R1106
R1105
R1104
C1101
C1104
C1117
C1103
C1106
C1111
C1113
C1108
C1112
R1115
C1129
R1100
C1110
C1109
R1437
FB1407
F
B
1
1
0
5
F
B
1
1
0
4
R
1
1
1
4
R1112
R1108
R1111
C1131
R1124
R1507
C1505
FB1501
FB1101
IC1503
R1110
FB1503
R1508
R1509
R1101
R1113
R1127
C1130
C1132
J1101
X1101
FB1102
IC1107
EB1101
R1154
CN1108
CN1109
C1119
C1116
C1105
D1001
C1102
C1126
IC1101
R
1
1
1
9
R1117
C1151
R1151
D1101
R1102
0.001
0.1
TORX141L
TORX141L
TORX141L
0.1
0.1
0.1
100
100
100
100
0.1
75
75
1p
470k
0.1
TC74ACT153AF
TC7WU04F
47p
0
470k
47k
1p
0.1
TC7WU04F
47p
5.6k
0.01
33k
4.7k
100
0.1
0.01
0.1
0.1
0.1
0.1
0.1
0.1
0.01
10k
0.001
1M
18p
18p
100
1
0
0
100
100
1k
100p
100
100
0.1
TC7SH08FU
1k
100
100
10k
1k
100
0.1
0.1
12.288MHz
TOTX141L
0
1P
1P
22 50V
1000
6.3V
6.3V
47
16V
1SS352-TPH
47
16V
10
50V
LC89056W
4
7
k
470
22
50V
470
1SS352-TPH3
10k
Z1
Z2
Z3
Z4
Y
1
Y
2
Y
3
X1
X2
X3
X4
X5
X6
B
A
XMODE
CKSEL1
CLK
CE
DI
DO
XSTATE
DATA0
DATA
BCKI2
LRCKI2
KFSIO
GP8
BCKI
LRCKI
XMCK
SCK
SCKI
(1/4)
(CHASSIS)
(CHASSIS)
VCC
GND
BUFFER
BUFFER
VCC
GND
SWITCHING
DIGITAL SELECTOR
DIGITAL AUDIO
INTERFACE RECEIVER
COAXIAL IN
COAXIAL IN
DVD
SA-CD/CD
OPTICAL
MD OUT
OPTICAL
MD IN
OPTICAL
TV/SAT IN
OPTICAL
DVD IN
DIGITAL
DIGITAL OPTICAL
RECEIVER
DIGITAL OPTICAL
RECEIVER
DIGITAL OPTICAL
RECEIVER
DIGITAL OPTICAL
TRANSCEIVER
(Page 28)
(Page 27)
(Page 29)
6-9. SCHEMATIC DIAGRAM – DIGITAL Section (1/4) –
•
See page 54 for Waveforms.
•
See page 55 for IC Block Diagrams.
•
See page 62 for IC Pin Function Description.
STR-DB795
27
27
STR-DB795
R1222
R1221
R1220
R1219
R1218
R1217
R1216
R1215
R1214
R1213
R1212
C1209
R1203
C1208
C1216
C1207
C1206
C1210
FB1203
R120
6
R
1207
R12
08
R1209
C1219
R1205
C1235
C1234
R1226
R1202
R1201
C1231
C1203
C1204
C1230
C1205
C1202
C1201
R1224
C1220
C1233
C1213
C1214
R1204
C1218
R1210
X1201
FB1201
FB1202
IC1201
IC1202
JR1200
IC1204
JR1201
JR1121
C1212
C1211
220
220
220
220
220
220
220
220
220
220
220
0.1
10k
0.1
100p
0.1
0.1
0.1
100
1
00
100
100
0.1
100
27p
27p
0
100
10k
0.1
0.1
0.1
0.1
0.1
0.1
0.1
100
100p
0.1
0.1
0.1
1k
100p
10k
13.9MHz
CXD9718BQ
IS61LV6416-15T
0
TC7WH157FU
0
0
470
10V
10V
470
10V
10V
Z1
Z2
Z3
Z4
W
1
W
2
V1
V2
V3
A0
A1
A2
A3
A4
A0
A1
D0
D1
D2
D3
CS
CS
D4
D5
D6
D7
WE
WE
A12
A13
A14
A15
A8
A9
A10
A11
A8
A9
A10
A11
D8
D9
D10
D11
D8
D9
D10
D11
D12
D13
D14
D15
D12
D13
D14
D15
A5
A6
A7
A5
A6
A7
A2
A3
A4
D0
D1
D2
D3
D4
D5
D6
D7
A12
A13
A14
A15
DATA
BCKI2
LRCKI2
KFSIO
GP8
DATA1
DATA2
DATA3
LR
CK
SD04
SDCLK
HCS
HDOUT
HCLK
HDIN
S
DSP
HACN
XRST
PM1
(2/4)
S-RAM
SIGNAL SELECTOR
AUDIO DIGITAL SIGNAL PROCESSOR
(Page 26)
(Page 29)
(Page 28)
6-10. SCHEMATIC DIAGRAM – DIGITAL Section (2/4) –
•
See page 54 for Waveforms.
•
See page 62 for IC Pin Function Description.
STR-DB795
28
28
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
C1572
C1582
R1571
IC1561
C1583
C1593
R1591
R1592
C1592
R1593
R1594
R1583
R1573
R1563
R1553
IC1541
IC1581
R1434
R1424
C1414
C1415
R1421
IC1403
R1432
R1422
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
R1580
R1590
C1512
D1502
C1514
IC1501
CN1101
C1412
C1413
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
0.0018
0.0018
1.5k
M5218AFP
180p
180p
1.5k
22k
0.0018
1k
100k
1k
1k
1k
1k
M5218AFP
M5218AFP
100k
100k
220p
220p
33k
7805
33k
33k
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
8.2k
8.2k
0.1
1SS367
0.1
PCM1604
20P
0.1
0.1
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
25V
100
25V
25V
100
25V
25V
100
25V
25V
100
25V
25V
100
25V
25V
100
25V
25V
100
25V
25V
470
16V
16V
47 16V
10 50V
4.7
50V
4.7
50V
10 50V
330
10V
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
VEE
VEE
VCC
BUFFER
VEE
VCC
BUFFER
VEE
VCC
BUFFER
VEE
VCC
BUFFER
G
I
O
+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
I
O
G
I
O
+3.3V REGULATOR
+10V REGULATOR
(AEP,UK)
TUNER UNIT
FM 75
Ω
(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.
STR-DB795
29
29
STR-DB795
CN1102
CN1104
CN1112
CN1107
R1683
R1695
R1675
R1702
R1701
R1704
R1703
R1712
R1713
R1698
R1638
R1629
R1699
R1602
R1622
R1600
R1715
R1714
R1652
R1653
R1641
R1640
R1650
R1651
R1692
R1693
R1696
R1613
R1614
R1615
C1674
C1613
C1614
R1623
R1627
R1628
C1619
R1666
C1673
R1720
R1691
C1635
R1626
R1682
R1685
R1667
R1690
R1676
R1677
R1678
R1679
R1639
C1671
C1627
C1672
R1633
R1637
R1656
C1620
R1635
R1687
X1601
C1603
C1634
IC1904
FB1601
CN1110
C1617
R1642
C1612
R1305
R1304
R1657
JR1688
FB1602
C1618
C1611
C1610
C1639
C1638
C1670
C1601
C1626
C1602
C1659
C1658
C1609
C1608
R1723
FB1603
FB1604
FB1605
D1604
Q1601
D1602
Q1603
R1717
Q1602
R1624
R1625
R1655
D1601
C1911
C1909
IC1903
R1684
R1617
R1618
R1619
R1632
R1606
R1607
R1610
R1616
R1612
R1609
R1611
R1608
R1620
R1605
R1604
R1631
C1675
C1676
C1312
R1643
R1694
R1644
R1645
R1646
R1647
R1721
R1630
R1621
R1603
R1722
R1724
R1661
R1659
R1660
R1719
R1718
R1669
R1671
Q1607
R1672
R1674
R1648
R1673
R1658
R1601
R1649
R1681
R1680
R1654
C1624
D1905
D1906
D1603
R1668
C1905
D1907
C1640
R1716
CN1105
CN1106
C1100
C1910
C1606
C1912
L1901
C1605
R1664
R1665
R1308
R1636
JR1113
JR1112
IC1901
C1906
C1908
R1634
R1697
C1631
C1632
C1633
IC1602
CN1111
IC1604
JR1114
IC1703
20P
7P
3P
2P
10k
10k
10k
10k
10k
10k
10k
10k
10k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
10k
10k
10k
10k
100
100
10k
10k
10k
10k
1k
1k
1k
1k
0.1
0.022
0.022
1k
10k
10k
0.1
10k
0.1
10k
10k
0.1
100k
100k
1k
1k
1k
1k
1k
1k
1k
100
0.1
10
50V
0.1
100
100
10k
0.1
10k
10k
16.5MHz
0.1
0.1
2933
3P
0.01
10k
0.1
47k
47k
10k
0
0.1
0.01
0.01
0.01
0.01
0.1
0.1
0.1
0.1
0.01
0.01
0.01
0.01
47k
ISS352
RT1N141C-T
ISS352
2SC2712-YG
10k
2SC2712-YG
10k
10k
10k
ISS352
0.1
0.1
2933
3.3k
100
100
100
100
1k
1k
1k
1k
100
1k
1k
1k
100
100
100
10k
0.1
0.1
0.1
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
10k
10k
10k
10k
10k
4.7k
10k
2SC2712-YG
10
1k
1k
1k
100
1k
1k
1k
1k
10k
0.1
1SR154-400
TE-25
1SR154-400
TE-25
ISS352
5.6k
0.1
1SR154-400
TE-25
220p
10k
31P
5P
0.22
220
16V
16V
47
16V
470
16V
16V
0
0.1
100
100
1k
10k
10K
10K
SI-3004KWF
470 16V
470 16V
47k
0.1
0.1
0.01
S-80929CNMC-
G8ZT2G
5P
CAT24WC16WI-TE13
10K
MB91154PFV-G-121
-BNDE1
X1
X2
X3
X4
X5
V1
V2
V3
U1
U2
X6
XMODE
CKSEL1
CLK
CE
DI
DO
RDS-D
RDS-I
FMSIG
M
UTE
STE
TUN
LAT
STDO
FUNC
FUN
FUN
SW1
SW2
SW3
SW4
SW1
SW2
SW3
SW4
LIMT
LIMT
PRO
PRO
SBRY
SBRY
SWRY
SWRY
SURRY
SURRY
SPBRY
SPBRY
FRRY
FRRY
HPRY
HPRY
DET
DET
SDCLK
HCS
HDOUT
HCLK
HDIN
S
DSP
HACN
SUBT
PWRY
STOP
RSTB
RST
ML
MC
MDI
MDO
GRO
DA2
POWER
SIRCS
SIRCS
SPSW
SPSW
+
+
-
-
MENU+
MENU+
MENU-
MENU-
FLDATA
FLDATA
FLCLK
FLCLK
FLCS
FLCS
VOL+
VOL+
VOL-
VOL-
FUNC+
FUNC+
FUNC-
FUNC-
AD1
AD2
AD1
AD2
MD0
MD2
MD0
MD2
RESET
RESET
RESET
FLASH1
FLASH2
FLASH1
FLASH2
POWER
DPOWER
DPOW
ER
VPOWER
VPOW
ER
STDI
CLK
SMUTE
FUNC
CLK
STDI
SMUTE
XRST
PM1
A
B
DATA0
XSTATE
HP SW
HP SW
*
V-POWER
D-POWER
D.GND
S-MUTE
PROTECTOR
HP-RY
SB-RY
FUNC-LAT
CLK
DATA
SP-B-RY
FUN LAT SW
V-SW1
V-SW2
V-SW3
V-SW4
SUR-RY
FR-RY
LIMITER
+5V.FL
-28V
SW-RY
+8V
DETECT
+5V(D)
GND
NC
CTRL A1 GND
CTRL A1 SIGNAL
SCL
SDA
FL CLK
FL DATA
AD1
AD2
FUNC+
VOL+
VOL-
POWER
+3.3V
FL CS
+5V
+3.3V
HP SW
MENU -
MENU +
-/+ +
-/+ -
SIRCS
SP SW
-28V
OPT GND
OPT GND
DISP GND
DISP GND
DISP GND
V3 OPT
FUNC-(STBY)
FLASH1
FLASH2
VDD
GND
RESET
MD0
MD2
(4/4)
AC 6V
AC 6V
GND
AC 6V
GND
AC 6V
+5V.D(+8V)
(FOR CHECK)
SWITCH
MUTING
I
G
O
+3.3V REGULATOR
I
G
O
+3.3V REGULATOR
RESET SIGNAL
GENERATOR
OUT
VSS
VCC
CD
NC
(EXCEPT AEP,UK)
(EXCEPT AEP,UK)
SYSTEM CONTROLLER
VC
GND
VIN
VOUT2
V
O
U
T1
REGULATOR
I/O BUFFER
RESET
EEPROM
SWITCH
MUTING
Q1601,1602
*
R1697
0
2.2k
4.7k
47k
(AEP,UK)
(SP,MY)
(AUS)
(TW,KR)
(EXCEPT AEP,UK)
(AEP,UK)
(EXCEPT AEP,UK)
+2.6V/+3.3V
(Page 33)
(Page 26)
(Page 28)
(Page 35)
(Page 27)
(Page 51)
(Page 51)
(Page 51)
(Page 40)
(Page 53)
(Page 49)
(Page 39)
6-12. SCHEMATIC DIAGRAM – DIGITAL Section (4/4) –
•
See page 54 for Waveforms.
•
See page 62 for IC Pin Function Description.
Click on the first or last page to see other STR-DB795 service manuals if exist.