Printed Wiring Boards - Ac/Pri/Sec1/Sec3 Boards - Sony STR-DA1000ES Service Manual

STR-DA1000ES/DB790
6-36. PRINTED WIRING BOARDS – AC/PRI/SEC1/SEC3 Boards – •
1 2
SEC1 BOARD
A
B
C
D
CN57
4 1 3
SEC3 BOARD
E
DISPLAY BOARD
37
CN1071
(Page 50)
• Semiconductor
Location
Ref. No. Location
D51 D-9
D52 C-10
D53 C-10
D54 D-11
D55 D-10
D56 D-10
D57 D-10
Q51 D-9
Q52 D-8
Q53 D-8
Q54 D-10
Q55 D-8
See page 25 for Circuit Boards Location.
3 4
DC1 BOARD 4/8 SW BOARD
38 41
CN906
(Page 52) (Page 52)
1 3
1
CN52
CN53
PRI BOARD
2
1
CN58
11
1
(11)
1-689-176-
DC1 BOARD
39
CN906
(Page 52)
:Uses unleaded solder.
5 6 7
CN901
AC BOARD
5
EB1
(DA1000ES)
11
(11)
DA1000ES/
DB790: SP, MY, TW
CNJ1
AC OUTLET
T901
MAIN POWER
TRANSFORMER
EB51
C56
11
(11)
1-689-173-
54 54
8 9
(AC IN)
2 1
CN2
2 1
CN1
T2
SUB POWER
F1
F2
TRANSFORMER
(DB790)
C3
RY1
R53
C53
(DB790: TW) (DB790: TW)
DA1000ES/
C54
DB790: SP, MY
R59
Q52
Q55 Q53
E
D51
JW5
E
JW58
E E Q51
JW6
CN51
DC1 BOARD
40
CN912
(Page 52)
10 11
D52
C52
R54
D53
JW51
Q54
R55
E
C55
11
1-688-632- (11)