Printed Wiring Boards − Ac Section - Sony STR-DB795 Service Manual

STR-DB795
6-35. PRINTED WIRING BOARDS – AC/PRI/SEC1/SEC3 Boards –
1 2
SEC (1) BOARD
A
B
C
D
CN57
4 1 3
SEC (3) BOARD
E
DIGITAL BOARD
53
CN1112
(Page 25)
• 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
D58 D-11
Q51 D-9
Q52 D-8
Q53 D-8
Q54 D-10
STR-DB795
• See page 23 for Circuit Boards Location.
3 4
DC1 BOARD 4-8 BOARD
38 41
CN906
(Page 50) (Page 50)
1 3
1
CN52
CN53
PRI BOARD
2
1
CN58
11
1
(16)
1-689-176-
DC1 BOARD
39
CN906
(Page 50)
:Uses unleaded solder.
5 6 7
CN901
AC BOARD
5
11
(16)
T901
MAIN POWER
TRANSFORMER
(CHASSIS)
EB51
11
1-689-173- (16)
52 52
8 9
(AC IN)
CN2
2 1
CN1
2 1
T2
SUB POWER
TRANSFORMER
RY1
C54
E
JW5
D51
C56 E
E
JW58
JW6
CN51
DC1 BOARD
40
CN912
(Page 50)
10 11
D52
C52
R53 R54
D53
C53
Q54
E
C51
JW54
11
1-863-051- (11)