Read Sony STR-DB798 Service Manual online
STR-DB798
25
25
STR-DB798
CN1102
CN1104
CN1112
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
R
1623
R1627
R1628
C1619
R1666
C1673
R1720
R1691
C1635
R
1626
R
1682
R
1
685
R
1
667
R
1
690
R
1
676
R1
677
R1
678
R1
679
R
1639
C1671
C1627
C1672
R
163
3
R
163
7
R
165
6
C
1620
R
1
635
R1
687
X1601
C1603
C1634
IC1904
FB1601
C1617
R1642
C1612
R1305
R1304
R1657
JR1688
F
B1602
C1618
C16
11
C
16
10
C
16
39
C
16
38
C1670
C1601
C1626
C1602
FB1603
FB1604
FB1605
D1604
Q1601
D1602
Q1603
R1717
Q1602
R1624
R1625
R1655
D1601
C1911
C1909
IC1903
R1684
R1617
R1618
R1619
R1610
R1612
R1609
R1611
R1608
R1620
R1605
R1604
R1631
C1675
C1676
C1312
R1643
R1694
R1644
R1645
R1646
R1647
R1630
R1603
R
1
674
R
1
648
R1
673
R
1658
R
16
01
R
16
49
R
16
81
R
16
80
R
1654
C16
24
D1905
D1906
C1905
D1907
C1640
CN1105
C1100
C1912
L1901
C1605
R
166
4
R
166
5
R
1308
R1636
IC1901
C1906
C1908
R1634
C1631
C1632
IC1602
IC1604
IC1703
R1024
R1632
R1661
R1659
R1660
R1716
C1608
C1609
C1659
C1658
R1021
R1022
R1023
R1662
R1663
R1697
R1025
R1026
R1020
R1019
R1018
CNP352
R1724
R1722
R1719
R1718
R1607
R1606
CN1107
C1959
R1957
R1958
C1957
IC1953
CN1110
C1958
Q1958
Q1957
D1908
C1615
C1910
C1606
20P
7P
3P
1k
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
1
00k
1
00k
1k
1k
1k
1k
1k
1k
1k
10
0
0.1
10
50V
0.1
100
100
R
166
9
D
A
B
.S
E
L
100
10k
0.1
10k
10k
16.5MHz
0.1
0.1
BA33BC0T
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
ISS352
RT1N141C-T
ISS352
2SC2712-YG
10k
2SC2712-YG
10k
10k
10k
ISS352
0.1
0.1
BA33BC0T
3.3k
100
100
100
1k
100
R1670 100
R1671 100
1k
1k
1k
100
100
100
10k
0.1
0.1
0.1
1k
1k
1k
100
1k
1k
1k
1k
1k
1k
1k
1
00
1k
1k
1k
1k
1
0k
0.1
1SR154-400
TE-25
1SR154-400
TE-25
0.1
1SR154-400
TE-25
220p
31P
0.22
470
16V
16V
0
R1027 100
R1028 100
0.1
100
100
1
k
10k
SI-3004KWF
470
16V
470
16V
47k
0.1
0.1
S-80929CNMC-
G8ZT2G
BR24C16F-E2
MB91154PFV-G-125E1
100
100
10k
10k
10k
10k
0.01
0.01
0.01
0.01
100
100
100
1k
1k
100
100
100
100
100
11P
0
0
10k
10k
1k
1k
2P
0.1
680
10k
4700
16V
BA50BC0T
7P
CN1106
4P
0.22
RT1N141C-T
2SB733
1SR154-400TE-25
100p
220
10V
10V
47
25V
X1
X2
X
3
X
4
X5
V1
V2
V3
U1
U2
X
6
XMODE
CKSEL1
CLK
CE
DI
DO
RDS-D
RDS-I
FMSIG
MUTE
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
HCS
HDOUT
HCLK
HDIN
S
DSP
HACN
SUBT
PWRY
STOP
RSTB
RST
ML
MC
MDI
MDO
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
STDI
CLK
SMUTE
FUNC
CLK
STDI
A
B
DATA0
XSTATE
HP SW
HP SW
SDCLK
XRST
XCS
SO
COM_DATA
COM_CLK
SMUTE
PS
SW1
SW2
PNR
DAB-PWR
DAB-PWR5
GND (D)
+8V (DAB)
(NC)
DAB-PWR
DAB-PWR5
RESET
PS
SW1
SW2
PNR
RESET
V-POWER
V-POWER
XRST
PM1
∗
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
SW-RY
DETECT
+5V(D)
GND
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
(FOR CHECK)
SWITCH
MUTING
G
+3.3V REGULATOR
I
G
O
+3.3V REGULATOR
RESET SIGNAL
GENERATOR
OUT
VSS
VCC
CD
NC
SYSTEM CONTROLLER
VC
GND
VIN
VOUT2
V
O
U
T
1
REGULATOR
EEPROM
SWITCH
MUTING
Q1601,1602
∗ R1697
0 (AEP,UK)
+2.6V/+3.3V
I
O
SCL
SDA
RESET
V-POWER
+8V
-8V
PS SAVE
SW1
SW2
PNR
GND
(TW)
10k
Q1957,1958
B+ SWITCH
G
I
O
+5V REGULATOR
GND(D)
-28V(FL)
+8V(D)
+8V(V)
-8V(V)
+8V STBY
+8V(DAB)
(TW)
GND
18
6-12. SCHEMATIC DIAGRAM – DIGITAL BOARD (4/4) –
(Page 33)
(Page 23)
(Page 24)
(Page 22)
(Page 49)
(Page 38)
(Page 39)
(Page 47)
(Page 37)
•
See page 52 for Waveforms.
•
See page 61 for IC Pin Function Description.
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