Sony STR-DB798 Service Manual

STR-DB798
4747
STR-DB798
R1042
R1035
R1032
C1031
R1033
C
10
26
C
1
0
25
C
10
2
4
C
10
2
3
C
10
2
2
C
10
2
1
C
10
2
0
C
10
1
9
C
10
1
8
C
10
1
7
C
10
16
C
10
1
5
C1014
C1013
C1011
C1007
C1005 C1009
IC1006
R1031
R1037
Q1031
R1059
R1058C1051
R1009
CN1080
R1005
R1012
C1012
FL1603
S1054 S1053 S1052 S1051
R1047 R1046 R1045 R1044 R1043
CN1060
R1036
C1071
RV1060
RV1061
S1042 S1041
S1057
S1050
RV1052RV1051
D1031
R1011
R1004
S1047
S1046 S1045 S1043S1044S1056 S1065
CN1001
D1071
C1008
IC1001
C1001
C
1
00
2
C1003
R1057 R1060
S1061
S1062
CN1061
CN1062
R1052R1053R1054R1055R1056
TP100
C1027
IC1051
Q1032
R1014
C1006
R1015
C1010
JW1061
JW1062
JW1063
1k
10k
10k
0.1
56
22
0p
22
0p
2
2
0p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
2
2
0
p
22
35V
0.1
0.1
220p
0.1 0.1
TC74ACT08P
220
4.7k
2SA1175
100
1047
16V
47k
5P
82k
1
0.1
22k 10k 4.7k 2.2k 2.2k
3P
4.7k
47
16V
SEL5E20C
TP15
1
47k
31P
HZ6.8BP
-TK
220p
PT6315
100p
1
00
p
2200p
22k 47k
5P
3P
1k2.2k2.2k4.7k10k
0.1
NJL24H400A
2SC1740TP
100
100p
100
220
6.3V
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID9
GRID10
GRID11
GRID12
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID9
GRID10
GRID11
GRID12
GND GND
H.P SW
VCC(3.3V)
OPT GND
OPT OUT
VOL+
VOL-
VOL+
VOL-
FL CLK
FL DATA
AD1
AD2
FUNC+
FUNC-
VOL+
VOL-
POWER
SIRCS
FL STB
+5V
-28V
+3.3V
HP SW
MENU -
MENU +
-/+ +
-/+ -
SP SW
+3.3V(STBY)
V3 OPT
FLUORESCENT INDICATOR TUBE
ROTARY ENCODER
MASTER
VOLUME
ROTARY ENCODER
INPUT
SELECTOR
DISPLAY INPUT MODE
SPEAKERS
DISP GND
DISP GND
DISP GND
OPT GND
OPT GND
ROTARY ENCODER
-/+
ROTARY ENCODER
MENU
REMOTE
CONTROL
RECEIVER
VCC
GND
OUT
MULTI CHANNEL DECODING
LED DRIVE
CONTROL
DIMMER
SWITCH
H.P SW GND
INDICATOR TUBE
FLUORESCENT
GRID9
VSS
VDD
GRID1
GRID2
GRID3
GRID4
GRID5
GRID6
GRID7
GRID8
GRID12
GRID11
GRID10
SEG10
VEE
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG9
VDD
VSS
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
KEY2
KEY1
STB
CLK
DIN
DOUT
OSC
LED4
LED3
LED1
LED2
DRIVER
LEVEL SHIFT
MUSICMOVIEA.F.D.2CH
TUNING- +
DECODING
PRESET
TUNING
- +
MEMORY/ENTERMAIN MENU
SURR BACK
AC 6V
GND
AC 6V
MULTI
CH IN
DIRECT
GND
GND
AD2
GND
AD2
(CHASSIS)
GND
(Page 25)
6-34. SCHEMATIC DIAGRAM – DISPLAY Section –
(Page 31)

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)