Schematic Diagram - Standby Board - Sony STR-KG800 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

6-30. SCHEMATIC DIAGRAM - STANDBY Board -

1 2
STANDBY BOARD
A
CN912
6P
+15V 1
NC 2
K
R2 GND IN 3
STBY GND 4
MAIN
BOARD
B -15V
5
(3/3)
CNP912 R2 RETURN GND 6
(Page 24)
C
CNP913
6P
+15V 1
U
POWER_RY 2
STANDBY GND 3
DIGITAL
STOP (AC-OFF-DET)
4
AB BOARD
(4/5) STANDBY (+9V) 5
CNP505
T E
L 1 3 9 4 2 2 9 6 5 1 3
SUB-T (CEC) 6
(Page 28)
D
E
F
2SC3052EF-T1-LEF
AC OFF DETECT
G
w w w
STR-KG800
3 4
C910
0.1
D910 D912
1SR154-400TE-25 1SR154-400TE-25
C913
1000
C912
25V
D911 D913
2200
1SR154-400TE-25 1SR154-400TE-25
25V C911
0.1
Q901
2SC3052EF-T1-LEF
RELAY DRIVE
R903 2.2k
0.2
R904 47k D901
MA2J1110GLS0
0.8
R902
Q951, 955
1
B+ SWITCH
7.1
Q955
2SC3052EF-T1-LEF
13. 9
Q951
2SB1132-T100-R
13. 7
R955
2.2k
R956
2.2k D955
14. 8 1SR154-400TE-25
0
R957
C955
47k
1000
25V
JS950
D950 D952
1SR154-400TE-25 1SR154-400TE-25
C954
6800 D951 D953
16V 1SR154-400TE-25 1SR154-400TE-25
D991
MA2J1110GLS0
0 R991
C992
22k
1
D990
50V
MA2J1110GLS0
0.6
Q990
R993 R990
10k 47k
x a o
y
. i
http://www.xiaoyu163.com
8
5 6 7
R910
CNP911
0.22
6P
1/2W
1 AC-R2-17V
2 AC-R2-17V
3 GND
R911
0.22
4 GND
1/2W
5 AC-R2-17V
6
AC-R2-17V
CNP910
3P
1 R2 AC
2 R2 CENTER TAP
3
R2 AC
CNP902
4P
1
LIVE
FH902
4 NEUTRAL
F901
5A/125V
FH901
RY901
Q Q
3 7 6 3
T904
SUB POWER
TRANSFORMER
5
CNP901
3P
JS903
6 4
1 LIVE
3 NEUTRAL
7 3
8 2
C952
0.1
9 1
C999
ET901
0.1
(CHASSIS)
u 1 6 3
.
45 45
2 4
9 9 8
8 9
Z
DCDC
CONVERTER
BOARD
CN4001
(Page 43)
MAIN
J
BOARD
(3/3)
CNP940
T901
(Page 24)
MAIN POWER
TRANSFORMER
MAIN
N
BOARD
(3/3)
CNP921
(Page 24)
1 5 1 5 0 8 9 2 4
(AC IN )
m
c o
STR-KG800
2
9 9
9 8 2 9 9