Sony STR-DB790 Service Manual

STR-DA1000ES/DB790
4141
6-23. SCHEMATIC DIAGRAM – MAIN Board (1/3) – • See page 57 for IC Block Diagram.
Ref. No. Location
Ref. No. Location
• Semiconductor Location
D411 C-9
D431 I-10
D461 C-9
D481 I-8
D511 C-9
D531 I-3
D561 C-9
D581 H-2
D611 B-9
D631 I-7
D661 B-9
D681 I-5
D711 B-10
D731 G-10
D805 F-10
D807 F-9
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. LocationRef. No. Location Ref. No. Location Ref. No. Location
D808 F-10
D810 D-6
D812 D-2
D814 E-9
D815 F-2
D816 D-2
D817 F-9
D818 E-2
D819 D-2
D820 D-2
D821 B-9
D822 B-9
D823 B-9
IC401 E-8
IC402 E-7
IC501 F-4
IC502 F-3
IC601 F-8
IC602 E-7
IC651 F-6
IC652 F-5
IC804 D-4
IC805 D-3
Q401 C-4
Q402 J-11
Q403 J-11
Q431 J-11
Q432 I-10
Q433 I-10
Q451 C-4
Q452 J-9
Q453 J-10
Q481 J-9
Q482 I-8
Q483 I-9
Q501 B-4
Q502 J-4
Q503 J-4
Q531 J-4
Q532 I-3
Q533 I-3
Q551 B-4
Q552 J-2
Q553 J-3
Q581 J-2
Q582 H-2
Q583 H-2
Q601 C-4
Q602 J-7
Q603 J-8
Q631 J-7
Q632 I-6
Q633 I-7
Q651 B-4
Ref. No. Location
Q652 J-5
Q653 J-6
Q681 J-6
Q682 I-5
Q683 I-5
Q701 B-5
Q732 G-10
Q751 C-4
Ref. No. Location
Q802 F-9
Q803 F-10
Q805 F-10
Q807 D-8
Q808 B-8
Q809 B-8
Q810 E-3
Q811 B-11
Ref. No. Location
Q813 E-2
Q822 B-9
Q823 D-8
Q824 F-2
Q826 D-6
D
8
1
8
D
8
2
0
D
8
1
6
D
8
1
2
D
8
1
9
R501 R601R751
Q551 Q751 Q601 Q401 Q451
R401 R451 R833 R826
Q501
R815
C816
R
8
2
7
CN405
CN404
IC804
IC805
C814
R552
R502
C815
D815
C402 R403
C821R458C457 C813
R457
R402 C419 R404
IC652
IC602
IC502
C552 R553
R503C502
R603C602
C752 R753
R752
R602
R604
C619
C669 R654
R504C519
CN403CN402
C817
C551
C568
C518
C501
C701R702
C718
C702 R703
IC501
R828
Q824
IC651
Q813
Q651Q701
R651R701
R653C652
R652 C651
C668
C768
C751
IC601
C601
C618
C456
C401
C418
C468
IC401
IC402
JWH004
R846
CN420
C812
R841
R551
Q810
C819 C818
CN407
CN408
CN406
CN409
1
S
S
1
3
3
1
S
S
1
3
3
1
S
S
1
3
3
1
S
S
1
3
3
1
S
S
1
3
3
6.8k 6.8k6.8k
2SC3623A 2SC3623A 2SC3623A 2SC3623A 2SC3623A
6.8k 6.8k 1M 1M
2SC3623A
10k
0.1
1
k
20P
20P
TC74ACT08P
TC74ACT08P
47
16V
1k
1k
47
16V
HZS6B2
220p 100k
0.01100k220p 2200p
1k
1k 100p 1k
M5218AP
M5218AP
M5218AP
220p 100k
100k220p
100k220p
220p 100k
1k
1k
1k
100p
100p 1k
1k100p
20P20P
47
35V
220
16V
220 16V
1K
220
16V
220P 100K
CXD9725M
4.7k
2SC1815YGR
CXD9725M
BN1F4M
2SC3623A2SC3623A
6.8k6.8k
100K220P
1K
220
16V
220
16V
CXD9725M
220
16V
220
16V
220
16V
CXD9725M
M5218AP
33
6P
2200p
33
6.8k
BN1F4M
22
25V
22
25V
10P
10P
10P
3P
Z1
Y
1
Y
2
Y
3
Y
4
Y
5
Y
6
Y
7
Z1Z1
Z2
Z2
Z3Z3
Z4Z4
Z5
Z5
Z6Z6
Z7Z7
Q1
Q2
Q3
Q4
Q5
Q1
Q2
Q3
Q4
Q4
Q5
Q5
R
1
R2
R3
R
4
R
5
R6
R7
R
8
R9R10
R1
R2
R
3
R3
R
4
R4
R5
R5
R
6
R6
R
7
R7
R8
R8
R9
R9
R10
T1
T
2
T3
S1
S2
S3
S0
S4
S5
S7
S6
I1
I2
I3
I4
I1
I2
I3
I4
I1
I2
I3
I4
O1
O1
O2
O3
O3
O4
U
1
U
2
U
3
U1
U2
U3
K
1
K
2
K
1
K
2
K3
K4
K5
K6
K7
K8
K2
K1
O2
O5
O
1
O
2
O
3
O
4
O
5
U3
U1
U2
R10
K3
K4
K5
K6
K7
K8
R1
R2
*
*
*
*
*
*
*
*
+
1
5
V
-1
5
V
S
-
M
U
T
E
P
R
O
T
E
C
T
O
R
H
P
-R
Y
F
U
N
C
-L
A
T
C
L
K
D
A
T
A
S
O
U
R
C
E
-L
S
O
U
R
C
E
-R
C
S
R
S
L
T
U
N
E
R
-R
T
U
N
E
R
-L
S
P
-B
-R
Y
F
U
N
L
A
T
S
W
P
W
-R
Y
S
T
O
P
V
-S
W
1
V
-S
W
2
V
-S
W
3
V
-S
W
4
SOURSE-L
SOURSE-R
C
SR
SL
FRONT-R
TUNER-R
TUNER-L
FRONT-L
+15V
-15V
GND
FUN-LAT
DATA
CLK
SR
GND
SL
GND
GND
GND
GND
GND
C
SW
FRONT-R
FRONT-L
GND
FUN-LAT
DATA
CLK
-15V
+15V
VIDEO-R
VIDEO-L
GND
V-SW1
V-SW2
V-SW4
V-SW3
-5V
GND
S
U
R
-R
Y
+15V
-15V
GND
G
N
D
GND
GND
GND
GND
GND
F
R
-R
Y
S
W
L
IM
IT
E
R
+5V
GND
SW
GND
GND
VIDEO3
V-SW1
V-SW2
V-SW4
V-SW3
-5V
+5V
VIDEO3
GND
GND
V-MONITOR
V-MONITOR
S
B
R
S
B
L
S
W
-R
Y
C
/S
B
-R
Y
MONITER-OUT
MONITER-OUT
G
N
D
D
E
T
E
C
T
G
N
D
+
5
V
(
D
)
(1/3)
ELECTRICAL
VOLUME
BUFFER
+5V REGULATOR
ELECTRICAL
VOLUME
BUFFER
SWITCH
MUTING
CONTROL
MUTINGMUTINGMUTINGMUTINGMUTINGMUTINGMUTINGMUTING
(DA1000ES)
G
N
D
FR
O
N
T
-L
F
R
O
N
T
-R
S
U
B
-T
LEVEL SHIFT
LEVEL SHIFT
INVERTER
(DA1000ES)
ELECTRICAL
VOLUME
BUFFER
* C501,551,601,651,701,751
100 16V
100 25V
(EXCEPT DB790:AEP,UK,AUS)
*
100 16V
100 25V
(EXCEPT DB790:AEP,UK,AUS)
(DB790:AEP,UK,AUS)
ELECTRICAL
VOLUME
BUFFER
NC
GND
+5V.V
V.GND
-5V.V
(DB790:AEP,UK,AUS)
C401,456
TUNER-R
TUNER-L
(Page
39)
(Page
33)
(Page
39)
(Page
33)
(Page
35)
(Page
53)
(Page 43)
(Page 31)
(Page 30)
(Page 45)
(Page 42)
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