Printed Wiring Boards - Power Supply Section - Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual

STR-DB870/DB1070
5-23. PRINTED WIRING BOARDS – POWER SUPPLY Section – •
• Semiconductor
1
Location
Ref. No. Location
D51 D-7
DC1 BOARD
D52 C-7 A
D53 C-7
D54 C-7
FH955
D55 B-7
D56 B-7
CN911
D57 B-7 1
D58 B-8
FH956
D901 F-2
D902 D-2 3
(AEP, UK, E, CH)
D903 G-3
B
D904 G-3
D905 G-3
D906 G-3
1
D907 F-1
D908 F-3
CN910
D912 E-2
U
D913 E-2
MAIN
D914 B-3
BOARD
CN802
C
(Page 26) 5
Q51 D-7
Q52 B-8
Q53 B-8
Q54 D-7
Q902 F-2
Q903 D-2
Q904 F-2
Q905 F-2
D
DC2 BOARD
C906
D902
D912
D913
E
R909 R910
C909
CN908 CN907
2 1
1 1
3 3 JW957
B
1
DIGITAL
BOARD
F
CN1106
(Page 21)
1
Q905
E
JW956
5
9
3
CP903
1
7
CP904
V
G
MAIN CP902
BOARD
CN804 1
(Page
CN902
26)
See page 14 for Circuit Boards Location.
2 3 4
F905
(US, CND) C917 C918
FH905
JW906
(AEP, UK, E, CH)
F906 (US, CND)
D914
FH906 1 4
JW901
(US, CND)
C915 C916
R904
B
C
Q903
E
R902
C904
1
S901
IMPEDANCE
–1
JW960
SELECTOR
CN905
–2
4 t 8
3
CN909
1 5
R905
R906
Q904 E
4
R908
C908
D901
F903
D908 F904
C905
R903
E C B C907
Q902
1 JW951
C901
D906
D905
R912
JW14
C903 C902
D904
D903
R911
CP901
DIGITAL BOARD
E
(Page 21)
CN1108
5 6 7
R913
AC BOARD
C56
CP951
EB51
C919
(AEP, UK, E, CH)
(CHASSIS)
R53
D57
D55
D56
D53
D54
C51
R54
11
(11)
1-681-092-
CN51
1
R55
E
C55 Q54
R56 R52
T901
POWER TRANSFORMER
6
6
1 1
CN906
11
(11)
1-681-093- 2
36 36
8 9
CNJ1
AC OUTLET
Q53
E
C54
C52 R57
Q52
R58
E
C53
D58
T2
POWER TRANSFORMER
(E2, E3)
4
CN3
D52
JW3
D51
1
(E2, E3, TW)
RY1
EXCEPT
E2, E3, TW
EXCEPT
5
JW5
E2, E3
E
Q51
R51
V. SWITCH BOARD
VS49
VOLTAGE SELECTOR
240 t 220V t 120V
1
–1
JW59
–2
CN49
4
–3
JW61
5
10 11
(US, CND, E2, E3, TW, CH)
1 2
CN1
FH6
F1
(US, CND)
FH1
(CHASSIS)
EB1
R1
1 2
CN2
CP1
11
(11)
1-681-091-
AC IN
JW60
FH48
F49
FH49
CN48
1
11
1-681-106- (11)