Printed Wiring Boards - Dc Section - Sony STR-DB798 Service Manual

STR-DB798
6-35. PRINTED WIRING BOARDS – DC Section –
1 2
DC PWR BOARD
A
B
C923
C924
C
C926
D
D908
C925
C909
E
C907
F
B C904
JW913
C
C
JW909
E
E
G
CN909
5 1
10
H
MAIN
25
BOARD
CN414
(Page 36)
STR-DB798
• See page 19 for Circuit Boards Location.
3 4 5
(Page 50) (Page 36)
29
40 AC BOARD
CN51
CN912
JW923
JW915
D905
D906
JW14
D903
D904
CN913
1
CN907
DIGITAL MAIN
2 36
BOARD BOARD
CN1110 CN420
(Page 21) (Page 36)
: Uses unleaded solder.
6 7
MAIN BOARD
CN422
R912
R911
JW904
JW905
C918
C919
JW902
R913
JW903
D914
C916
C915
3 1
CN910
30 MAIN BOARD
CN415
(Page 36)
48 48
8 9 10
(CHASSIS)
6
39
MAIN POWER
TRANSFORMER
C920
T901
(Page 50)
38
MAIN POWER
1
TRANSFORMER
T901
(Page 50)
1 3
CN902
3
1
JW927
JW918
41
CN901
MAIN POWER
TRANSFORMER
T901
(Page 50)
11
(11)
1-867-422-
11 12
(AEP, TW)
4-8 OHM BOARD
S901
IMPEDANCE
SELECTOR
4Ω
8Ω
11
1-867-420-
(11)
• Semiconductor
Location
Ref. No. Location
D902 F-1
D903 C-5
D904 C-5
D905 B-5
D906 C-5
D908 D-3
D909 G-2
D912 C-2
D913 C-2
D914 C-1
D915 C-1
D916 D-6
Q903 G-1