Sony STR-DB795 Service Manual

STR-DB795
4949
STR-DB795
6-32. SCHEMATIC DIAGRAM – DISPLAY/FUN/VOL/DIRECT Boards –
R1042
R1035
R1032
C1031
R1033
C
1026
C
1025
C1024
C1023
C10
22
C102
1
C10
20
C1019
C10
18
C101
7
C
1016
C
1015
C1014
C1013
C1011
C1007
C1006
C1005 C1009
IC1006
R1031
R1037
Q1032Q1031
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
JW1061
JW1062
JW1063
CN1001
D1071
JW1014
C1008
IC1001
C1001
C1002
JW1015
C1003
R1057 R1060
S1061
S1062
CN1061
CN1062
R1052R1053R1054R1055R1056
TP100
C1027
IC1051
C1010
1k
10k
10k
0.1
56
220p
220p
22
0p
2
20p
2
20p
22
0p
2
20p
2
20p
22
0p
2
20p
220p
2
2
0p
22
35V
0.1
0.1
220p
220p
0.1 0.1
TC74ACT08P
220
4.7k
2SC27852SA1175
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
100
220p
PT6315
100p
100p
100
2200p
22k 47k
5P
3P
1k2.2k2.2k4.7k10k
0.1
NJL24H400A
220
10V
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
OU
T
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
SEG
13
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)
(Page 33)
(Page 29)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.

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