Sony STR-DB790 Service Manual

STR-DA1000ES/DB790
5151
6-33. SCHEMATIC DIAGRAM – DISPLAY/FUN/VOL Boards – • See page 57 for IC Block Diagram.
R1042
R1035
R1032
C1031
R1033
C1026
C1025
C1024
C1023
C1022
C1021
C1020
C1019
C1018
C1017
C1016
C1015
C1014
C1013
C1011
C1007
C1006
C1005 C1009
IC1006
R1031
R1037
Q1032Q1031
R1059
R1058C1051
CN1001
C1008
R1009
CN1080
R1005
R1012
C1012
FL1603
R1052R1053R1054R1055R1056
S1054 S1053 S1052 S1051
R1047 R1046 R1045 R1044 R1043
CN1060CN1061
C1010
R1036
C1071
D1071
RV1060
RV1061
S1042 S1041
S1057
S1050
CN1071
RV1052RV1051
IC1051
D1031
R1011
IC1001
µPD10615
R1004
S1047
S1046 S1045 S1043S1044S1056 S1065
JW1061
JW1062
JW1063
1k
10k
10k
0.1
56
220p
220p
220p
220p
220p
220p
220p
220p
220p
220p
220p
220p
22
35V
0.1
0.1
220p
220p
0.1 0.1
TC74ACT08P
220
4.7k
2SC27852SA1175
100
1047
16V
27P
100p
47k
5P
82k
1
0.1
1k2.2k2.2k4.7k10k
22k 10k 4.7k 2.2k 2.2k
3P3P
47
16V
4.7k
47
16V
RD5.6B2
3P
NJL74H400A
SEL5E20C
TP15
1
47k
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
GND
AC 6V
AC 6V
ROTARY ENCODER
-/+
ROTARY ENCODER
MENU
REMOTE
CONTROL
RECEIVER
VC
C
G
N
D
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
G
R
ID
12
G
R
ID
11
GRID10
SEG
10
V
EE
SEG
11
SEG
12
SEG
13
SEG
14
SEG
15
SE
G
16
SEG9
VDD
VSS
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
KEY2
K
EY
1
S
TB
C
LK
D
IN
D
O
U
T
O
SC
LED
4
LED
3
LE
D
1
LED
2
DRIVER
LEVEL SHIFT
MUSICMOVIEA.F.D.
2CH
TUNING- +
DECODING
PRESET
TUNING
- +
MEMORY/ENTERMAIN MENU
SURR BACK
(Page 35)
(Page 55)
(Page 30)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Sony STR-DB790 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230 V, 50/60 Hz
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
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g