Printed Wiring Boards - Standby Board, Ac Select Board - Sony STR-K680 Service Manual

STR-K680/K780
Ver. 1.2
3-13. PRINTED WIRING BOARDS – STANDBY BOARD, AC SELECT BOARD –
1 2 3
A
B
AC
IN
2
C
1
D
FH902
E
CNP903
F
G
H
I
• Semiconductor
J
Location
Ref. No. Location
D901 E-7
D910 C-8
D911 C-8
K
D912 C-8
D913 C-8
D914 D-8
D915 D-8
D920 F-5
D921 F-5
D922 F-5
L
D923 F-5
Q901 D-7
Q911 E-7
STR-K680/K780
• See page 13 for Circuit Boards Location.
4 5 6 7
R900
E51
T902 : E51
1 POWER TRANSFORMER
(SUB)
2
1
4
Q901
F901
E
RY901
FH952 R903
R904
Q911
E
R913
D901
R905
JW910
C915
1 CNP801 5
JW912
JW906
JW907
JW908
1 5
CNP906
MAIN BOARD DIGITAL BOARD
J D
CNP916
(Page 21)
E51
AC SELECT
3 1
CNP910
120V
S901
VOLTAGE
220V
SELECTOR
JW903
240V
JW797
1 4
CN905
:Uses unleaded solder.
8 9 10 11
I
MAIN BOARD
CNP901
G901
(Page 21)
C911
C912
D913
K
MAIN BOARD
R911
CNP902
R912
(Page 21)
JW911
CNP505
(Page 17)
LOCATION
POWER TRANSFORMER
(SUB)
TP900 : K780
TP902 : AR, MX
1-869-109-
26 26
12 13 14
T901
POWER TRANSFORMER
(MAIN)
E51
240V
220V
120V
E51
6 7 8
B
R900
POWER TRANSFORMER
(SUB)
C
D
Q901 R912
RY901 E
R903
15 16 17