Sony STR-DB870 Service Manual

STR-DB870/DB1070
3737
CN1
EB1
D51
CN3
D52D54
D55
R53
C53D53D57
D56
C51
C54
R52
R51
CN51
R58
R54
R56
C55
EB51
CN910
JW901
CN911
CN906
R908
C912
CN907
D907
CN908
C909C906
R904
D902
D913
D912
R905 R906
Q904
R903
C905
D908
D904
C903
C902
D903
D905
D906
C907
C901
D901
Q902
C904
R902
CN901
C915
C916
C919
F905
F906
R912
R911
D914
Q903
Q905
CN903
CN904
CN905
S901
C908
Q54
Q53
Q52
R57
C52
RY1
Q51
T2
JW3
F1
F2
CN2
JW1
JW2
CNJ1
CN49
F49
VS49
CN48
D58
R1
CN909
R913
C917
C918
CN902
R55
T901
C56
F903
F904
R909
R910
2P
1SS133T
4P
1SS133T11EQS04
11EQS04
680
0.0561SS133T11EQS04
11EQS04
2200
10V
1000
16V
10k
2.2k
5P
100
47k
10k
0.47
50V
4P
3P
6P
10k
47
16V
3P
RD5.6F-T7B2
3P
330
63V
47
50V
10k
MTZJ-39
11ES2
11ES2
10k 2.2k
2SA1115
2.2k
47
16V
RBV-402
11ES2
1000
35V
2200
35V
11ES2
11ES2
11ES2
4700
16V
47
16V
MTZJ-5.6B
2SB1241
47
50V
22k
3P
0.1
200V
8A
125V
8A
125V
1
1W
1
1W
RBV-602
2SD1863
2SA1115
9P
5P
3P
1000
16V
2SC2785
BA1A4M
2SA1015
10k
0.0047
2SC2785
2P
4P
T4AL
250V
5P
11ES2
3.3M
1/2W
5P
150
7P
33k
470p
*
*
*
*
*
*
*
*
*
*
H-A
H-B
L-A
L-BO-B
O-A
GND GND
O-B
O-A
GND
H-A
H-B
L-A
L-B
GND
P.RY
GND
STOP
8V
SUB,T
(CHASSIS)
(CHASSIS)
+B
-B
CT GND
B GND
RY GND
GND
24V(RY)
+24V
-24V
GND
P.RY
GND
FL GND
D.GND
V.POWER
8V
STOP
STOP
GND
-5V
8V
SUB,T
* C915,916
12000 71V
15000 71V
(DB870)
(DB1070)
1
2
3
4
(US,CND)
(AEP,UK,E,CH)
(US,CND)
(AEP,UK,E,CH)
1
2
3
4
Q902,904
-5V REGULATOR
+32V
REGULATOR
V POWER
SWITCH
FL1
FL2
+32V
+8V
PW_RY
SUB T
-1
-2
8Ω
4Ω
IMPEDANCE
SELECTOR
AC POWER
DETECT
SUB TRANS
ON/OFF
+8V
SWITCH
POWER RELAY
DRIVE
* F1
10A 125V
T4AL 250V
(US,CND)
(AEP,UK,E,CH)
*
10A 125V (US,CND)
F2
T2.5AL 250V
POWER
TRANSFORMER
(EXCEPT E2,E3)
(E2,E3)
AC IN
AC OUTLET
(1)
(2)
(3)
(4)
POWER
TRANSFORMER
-1
-2
-3
VOLTAGE
SELECTOR
240V
220V
120V
(E2,E3)
(US,CND)
(US,CND,E2,E3,TW,CH)
(AEP,UK,E,CH)
(US,CND)
* C917,918
0.033 250V
0.015 100V
(US,CND)
(AEP,UK.E,CH)
(EXCEPT E2,E3,TW)
(E2,E3,TW)
(AEP,UK,MY,SP,KR,CH)
*
(US,CND)
F903,904
4A 125V
4A 250V (EXCEPT US,CND)
*
R909,910
47
2.2
(CND)
(EXCEPT CND)
5-24. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
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 28)
(Page 19)
(Page 28)
(Page 15)

Sony STR-DB870 Specifications

General

Brand	Sony
Model	STR-DB870
Category	Stereo Receiver
Language	English