DOWNLOAD Sony STR-DB1070 / STR-DB870 Service Manual ↓ Size: 8.4 MB | Pages: 92 in PDF or view online for FREE

Model
STR-DB1070 STR-DB870
Pages
92
Size
8.4 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-db1070-str-db870.pdf
Date

Sony STR-DB1070 / STR-DB870 Service Manual ▷ View online

STR-DB870/DB1070
41
41
6-26. SCHEMATIC  DIAGRAM  – DISP/SW Boards –
 See page 46 for IC Block Diagrams.
D1903
R1951
R1908
R1907
R1906
R1905
R1904
R1903
R1902
S1902
S1901
S1903
S1904
S1905
S1906
S1907
S1908
R1918
R1917
R1916
R1914
R1913
R1912
S1918
S1916
S1917
S1915
S1914
S1913
S1912
S1911
S1945
R1945
S1944
R1944
R1942
R1941
S1941
S1942
S1943
R1934
R1933
R1932
R1931
S1932
S1931
S1933
S1934
S1925
R1925
S1924
R1924
S1923
R1923
S1922
R1922
S1921
CN1901
R1640
C1607
D1617
D1618
D1616
D1615
CN1604
CN1603
C1611
R1617
C1610
CN1601
R1647
R1648
R1646
R1645
R1644
R1643
R1642
R1641
R1618
R1610
R1609
R1608
R1607
C1615
C1614
C1613
R1635
R1634
R1633
R1632
R1636
D1614
D1613
D1612
D1610
D1609
D1608
D1607
D1606
FL1601
D1605
D1604
D1603
D1602
D1601
R1631
C1619
R1630
C1609
C1618
C1616
C1608
R1629
C1617
IC1610
C1603
C1602
IC1601
C1601
JW1601
CN1602
C1612
IC1602
RV1601
IC1603
D1611
Q1602
R1637
D1619
R1638
RV1901
R1602
R1601
D1901
D1902
D1905
D1904
R1915
R1943
SEL5820A
330
47k
22k
10k
4.7k
2.2k
2.2k
1k
47k
22k
10k
2.2k
2.2k
1k
22k
10k
2.2k
2.2k
22k
10k
4.7k
2.2k
4.7k
2.2k
2.2k
1k
13P
10k
0.1
SEL5821A
SEL5821A
SEL5821A
SEL5821A
13P
8P
0.1
10k
0.1
31P
100
100
100
100
100
100
100
100
10k
10k
10k
10k
10k
0.1
0.1
0.1
330
330
330
330
330
SEL5821A
SELS5B23C
SELS5B23C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
SELS5823C
220
100p
47k
0.1
100p
0.1
0.1
47k
100p
74ACT08
0.1
0.1
ML9261
47
50V
11P
0.1
NJU3719
74ACT08
SEL6810A-TH12
2SA1115
56
SEL5E20CTP15
220
1
1
SEL5820A
SEL5820A
SEL5820A
SEL5820A
4.7k
4.7k
G1
G2
G3
G4
G5
G
6
G
7
G
8
G9
G10
G11
G12
G13
G
14
G15
G16
P35
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P09
P08
P07
P06
P05
P04
P03
P02
P01
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
P35
P01
20
21
22
23
25
26
27
28
29
6
7
9
10
11
13
22
2
4
5
13
15
20
21
23
25
26
27
28
29
15
12
FL6
FL5
P02
P03
P04
P05
P06
P07
P08
P09
P10
P11
P12
P13
P14
P15
P16
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
G14
G15
G16
G17
G18
G19
14
14
G17
G18
G
19
G
20
G
21
G22
G20
G21
G22
LED1
LED2
LED3
LED4
1
2
3
4
5
6
7
9
10
24
11
12
24
FL1
FL2
FL4
FL1
FL2
FL3
FL4
LED1
LED2
LED3
LED4
LED1
LED2
LED3
LED4
1
3
FL3
FL1
FL2
FL3
FL4
FL5
FL6
LED1
LED2
LED3
LED4
A1
A2
A3
A4
A1
A2
A3
A4
B1
B2
B3
B4
B5
B1
B2
B3
B4
B5
C1
C2
C3
C4
C1
C2
C3
C4
1
2
3
4
5
1
2
3
4
5
FL1
FL4
FL2
FL3
F1
F2
+32V
GND
+5V
+3.3V
LED CLK
LED LAT
LED CLR
LED DATA
FL CLK
FL LAT
FL CLR
FL DATA
SIRCS
SP ON/OFF
AD1
AD4
AD3
AD2
JOG+
JOG-
FUNC+
FUNC-
VOL+
VOL-
POWER
GND
AU SPLIT
AD5
NC
VDD
CLR
STB
CLK
DATA
A.F.D
MODE
2CH
PHONO
TUNER
MD/DAT
CD
TAPE
M.CH.DEC
TV
VSS
DCS
DIMMER
MULTI/2CH
NIGHT
DVD
V3
V2
V1
MATRIX
SET UP
NAME
SUR
LEVEL
EQ
FL DISPLAY
DRIVE
LED DRIVE
ROTARY ENCODER
MASTER VOLUME
LEVEL SHIFT
LEVEL SHIFT
FLUORESCENT INDICATOR TUBE
D1601
VIDEO 1
D1602
D1603
VIDEO 2
VIDEO 3
D1604
D1605
DVD/LD
TV/SAT
D1606
TAPE
MD/TAPE
(DB870)
(DB1070)
(DB870)
(DB1070)
D1608
CD/SACD
MD/DAT
(DB1070)
CD/SACD
D1609
TUNER
D1610
PHONO
DIMMER
D1612
D1613
DIGITAL
CINEMA
SOUND
6.1CH
DECODING
NIGHT MODE
DIMMER
DECODING
MULTI
CHANNEL
D1616
D1615
MULTI/2CH
A.DIRECT
2CH
D1617
MODE
D1618
A.F.D.
ROTARY ENCODER
(JOG DIAL)
LEVEL
SURR
EQ
NAME
SET UP
ENTER
LEVEL
SURR
EQ
NAME
SET UP
>
<
EQUALIZER
TEST TONE
+
-
TUNING
FM MODE
MEMORY
(DB870)
(DB1070)
S1912
STREAM INFO
2ND ROOM
S1916
SLEEP
RDS/PTY
(US,CND,E,CH)
(AEP,UK)
+
-
PRESET
TUNING
A.F.D.
2CH
DIGITAL
CONCERT
HALL
CINEMA
STUDIO EX
6.1CH
DECODING
MULTI/2CH
A.DIRECT
MODE +
NIGHT MODE
MODE -
SHIFT
FM/AM
ON SCREEN
(DB1070)
D1607
D1614
PTY
SELECT
(AEP,UK)
(Page 43)
(Page 43)
(Page 25)
STR-DB870/DB1070
42
42
6-27. PRINTED  WIRING  BOARDS  – H.P/MUTING/POWER/SP/VIDEO 3 Boards –
 See page 22 for Circuit Boards Location.
CP401
CN502
R583
JW102
JW103
C453
JW110 JW111
R834
C471
C421
C481
C653
C603
C436
R821
JW112
R433
R733
R683
R633
C403
R431
C431
R481
JW105
CN403
RY810
RY809
RY808
RY802
C503
R533
C553
JW107
R483
JW113
JW150
        
R1803
R1802
R1801
JW62
S1803
S1802
RV1801
S1801
JW65
JW64
JW63
D1801
CN1801
CN749
EB749
CN1701
C1701
S1704
IC1701
S1702
S1703
R1704
R1701
R1702
JW70
JW69
R1703
C293
C294
JW68
JW67
JW66
R299
R298
EB299
CN299
1-681-105-
11
(11)
T
MAIN
BOARD
CN803
I
MAIN
BOARD
CN805
4
1
1
11
(AEP, UK, E, CH)
–2
–1
–1
–2
–1
–2
–1
–2
+
+
FRONT
SPEAKERS
IMPEDANCE USE 4-16
TM502
SP BOARD
SUB WOOFER
SUB WOOFER
L
R
L
R
L
R
SURROUND BACK
SURROUND
FRONT
J401
J402
J701
CENTER
PRE OUT
J403
(DB1070)
(DB870)
AEP, UK,
E, CH
MUTING BOARD
Y
DISP BOARD
CN1603
8
1
AUDIO SPLIT
D1801, S1802
FUNCTION
MUTING
INPUT MODE
RV1801
ROTARY ENCODER
3
1
1-681-100-
11
(11)
H. P BOARD
1
1
2
5
7
4
6
3
5
S
MAIN BOARD
CN801
(CHASSIS)
PHONES
J749
1-681-103-
11
(11)
POWER BOARD
11
1
X
DISP
BOARD
CN1602
DISPLAY
I/1
DIMMER
3
1
S1701
SPEAKERS
S1702 – 1704
OFF T ON
1-681-101-
11
(11)
VIDEO 3 BOARD
(CHASSIS)
7
1
K
J
VIDEO AU
BOARD
CN202
S-VIDEO
BOARD
CN753
1-681-104-
11
(11)
S-VIDEO
VIDEO 3 INPUT
J299
R
L
AUDIO
VIDEO
J298
S1801 – 1803
(Page 40)
(Page 34)
(Page 34)
(Page 32)
(Page 40)
(Page 32)
(Page 34)
STR-DB870/DB1070
43
43
VIDEO AU
J402
R433
R483
R533
R583
R683
R633
R733
R834
CN403
C481
R481
R431 C431
CN502
CN1701
R1703
R1701
R1702
C1701
R1704
CN1801
R1803
R1801
R1802
EB749
J749
CN749
CN299
C294
C293
EB299
J299
J298
R298
R299
D1801
S1801
S1802
S1803
RV1801
TM502
RY802
C503
C553
C403
C453
C603
C653
R821
RY809
RY810
RY808
C436
C421
C471
J401
J403
J701
IC1701
S1703
S1702
S1704
S1701
4P
1k
1k
1k
1k
1k
1k
1k
10
4P
470p
10
10
470p
11P
11P
22k
100
10
47
16V
1k
8P
220
1k
2.2k
5P
7P
2200p
2200p
3P
1k
1k
SEL5821A
22 50V
22 50V
22 50V
22 50V
22 50V
22 50V
10
100p
100p
50V
100p
50V
4P
1P
2P
NJL63H400A
L
R
SL
SW
SR
R
L
SB
C
GND
RY+
PRE,RY-
FSP,RY-
R
L
GND
GND
(CHASSIS)
H.P R
GND
H.P L
H.P GND
(CHASSIS)
GND
GND
(CHASSIS)
L
R
AUDIO
VIDEO
S-VIDEO
VIDEO 3
INPUT
C
Y
VIDEO3(C)
VIDEO3(Y)
VIDEO3
HP-CONT
1
2
3
4
5
6
7
AUDIO SPLIT
AUDIO SPLIT
INPUT MODE
MUTING
FUNCTION
ROTARY ENCODER
L
R
FRONT
SPEAKERS
IMPEDANCE
USE 4-6
(AEP,UK,E,CH)
-1
-2
-1
-2
-1
-2
-1
-2
L
R
L
R
FRONT
SURROUND
L
R
SUB WOOFER
SUB WOOFER
CENTER
(DB870)
(DB870)
(DB1070)
BACK
SURROUND
PRE OUT
VCC
GND
OUT
REMOTE CONTROL
RECEIVER
DISPLAY
DIMMER
SPEAKERS
ON
OFF
PHONES
6-28. SCHEMATIC  DIAGRAM  – H.P/MUTING/POWER/SP/VIDEO 3 Boards –
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.
(Page 35)
(Page 36)
(Page 41)
(Page 41)
(Page 36)
(Page 33)
(Page 33)
STR-DB870/DB1070
44
44
6-29. PRINTED  WIRING  BOARDS  – POWER SUPPLY Section –
 See page 22 for Circuit Boards Location.
        
 
C918
CP951
F906
C919
FH906
FH905
CN911
FH956
FH955
F905
CN910
C916
C915
D914
C917
JW906
R913
JW901
(US, CND)
(US, CND)
(AEP, UK, E, CH)
(AEP, UK, E, CH)
        
 
JW957
JW
955
D908
Q903
CP903
R906
R912
D901
CN908
CN903
FH
903
F903
D912
FH904
C901
CP901
C907
C903
C902
D905
CN901
D906
F904
R903
R904
CN902
CN909
CN905
C904
C912
CN907
R911
JW
953
D904
Q902
C906
FH954
C908
R902
D913
JW14
D907
JW
954
JW951
CN904
Q905
Q904
C905
D902
R905
R908
JW956
FH953
CN906
CP902
D903
C909
CP904
JW960
R909
R910
F2
CP1
R54
CN1
Q51
F1
CN51
R52
R53
D51
FH1
D55
EB1
CN2
R1
FH7
FH2
FH6
RY1
JW5
CN3
JW3
R51
D57
D54
D52
D56
C52
C51
C55
Q52
C54
D53
Q54
D58
R56
R55
R57
C53
Q53
        
R58
C56
EB51
 
JW59
FH49
CN48
JW60
CN49
JW61
FH48
F49
T901
POWER TRANSFORMER
6
DC1 BOARD
1
3
1
5
U
MAIN
BOARD
CN802
(US, CND)
(AEP, UK, E, CH)
4
1
1-681-092-
11
(11)
DC2 BOARD
B
C
E
E
E
1
1
5
3
6
1
1-681-093-
1
2
11
(11)
4
1
1
3
1
1
2
1
1
1
3
7
1
5
9
3
B
DIGITAL
BOARD
CN1106
V
E
MAIN
BOARD
CN804
DIGITAL BOARD
CN1108
–1
–2
IMPEDANCE
SELECTOR
S901
4
 t 8
AC BOARD
E
E
E
E
(CHASSIS)
1
5
1
2
(CHASSIS)
(US, CND)
1-681-091-
11
(11)
1
2
AC IN
T2
POWER TRANSFORMER
AC OUTLET
CNJ1
(US, CND, E2, E3, TW, CH)
EXCEPT
E2, E3, TW
EXCEPT
E2, E3
(E2, E3, TW)
(E2, E3)
4
1
E
C
B
V. SWITCH BOARD
1
4
5
1
VOLTAGE SELECTOR
VS49
240 t 220V t 120V
–1
–2
–3
1-681-106-
11
(11)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
• Semiconductor
Location
Ref. No.
Location
D51
D-7
D52
C-7
D53
C-7
D54
C-7
D55
B-7
D56
B-7
D57
B-7
D58
B-8
D901
F-2
D902
D-2
D903
G-3
D904
G-3
D905
G-3
D906
G-3
D907
F-1
D908
F-3
D912
E-2
D913
E-2
D914
B-3
Q51
D-7
Q52
B-8
Q53
B-8
Q54
D-7
Q902
F-2
Q903
D-2
Q904
F-2
Q905
F-2
(Page 34)
(Page
34)
(Page 29)
(Page 29)
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