Sony STR-DB795 Service Manual

STR-DB795
2929
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
C1603C1634
IC1904
FB1601
CN1110
C1617
R1642
C1612
R1305
R1304
R1657
JR1688
FB1602
C1618
C1611
C1610
C1639
C1638
C1670 C1601C1626C1602
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
0.10.1
2933
3P
0.01
10k
0.1
47k
47k
10k
0
0.1
0.01
0.01
0.01
0.01
0.1 0.10.10.1
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
47
16V
470
16V
0
0.1
100
100
1k
10k
10K
10K
SI-3004KWF
470 16V
470 16V
47k0.1
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
VINVOUT2
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 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.

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