
26
26
STR-K680/K780
STR-K680/K780
3-13. PRINTED WIRING BOARDS – STANDBY BOARD, AC SELECT BOARD –
:Uses unleaded solder.
• See page 13 for Circuit Boards Location.
AC
IN
F901
E
E
1
1
5
5
2
2
1
1
1
4
E51
E51
240V
220V
120V
VOLTAGE
SELECTOR
120V
220V
240V
1
3
1
4
1-869-109-
CNP905
E51
E51
AC SELECT
1
2
A
B
C
D
E
F
G
H
I
J
K
L
3
4
5
6
7
8
E
B
C
D
6
7
8
9
10
11
12
13
14
15
16
17
T902 : E51
I
MAIN BOARD
CNP901
(Page 21)
K
MAIN BOARD
CNP902
(Page 21)
J
MAIN BOARD
CNP916
(Page 21)
D
DIGITAL BOARD
CNP505
(Page 17)
T901
POWER TRANSFORMER
(MAIN)
POWER TRANSFORMER
(SUB)
POWER TRANSFORMER
(SUB)
POWER TRANSFORMER
(SUB)
LOCATION
TP900 : K780
TP902 : AR, MX
FH902
FH952
RY901
CNP904
CNP900
JW901
CN905
S901
CNP910
JW903
JW797
C912
D913
Q901
R900
G901
C911
D914
D915
C913
D911
D910
D912
R903
R904
Q911
R911
R912
JW911
D901
CNP801
JW912
R913
R905
JW910
CNP906
C915
C914
JW906
JW907
JW908
C901
D920
D923
R810
R812
C902
JW909
CNP903
JW904
D922
D921
C916
R900
JW901
D911
D914
R912
Q901
R903
RY901
C913
D910
• Semiconductor
Location
Ref. No.
Location
D901
E-7
D910
C-8
D911
C-8
D912
C-8
D913
C-8
D914
D-8
D915
D-8
D920
F-5
D921
F-5
D922
F-5
D923
F-5
Q901
D-7
Q911
E-7
Ver. 1.2
Summary of Contents for STR-K680
Page 53: ...53 STR K680 K780 MEMO ...