Schematic Diagram - Standby Board - Sony STR-K7200 - Av Receiver Component Service Manual

6-32. 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
SUB-T (CEC) 6
(Page 28)
D
E
F
2SC3052EF-T1-LEF
G
STR-K7200
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
14. 8 1SR154-400TE-25
0
R957
C955
47k
1000
25V
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
AC OFF DETECT
R993 R990
10k 47k
5 6
R910
0.22
1/2W
1
2
3
R911
0.22
4
1/2W
5
6
1
2
3
1
FH902
4
F901
5A/125V
FH901
RY901
T904
SUB POWER
TRANSFORMER
D955
5
JS903
6 4 1
3
JS950
7 3
8 2
C952 R901
0.1 3.3M
1/2W
9 1
B900
C999
0.1 ET901
47 47
7 8 9
CNP911
6P
AC-R2-17V
Z
AC-R2-17V
GND
DCDC
GND
CONVERTER
BOARD
AC-R2-17V
CN4001
AC-R2-17V
(Page 45)
CNP910
3P
R2 AC MAIN
J
BOARD
R2 CENTER TAP
(3/3)
CNP940
R2 AC
T901
(Page 24)
MAIN POWER
TRANSFORMER
CNP902
4P
MAIN
N
LIVE
BOARD
(3/3)
NEUTRAL
CNP921
(Page 24)
CNP901
3P
LIVE
(AC IN )
NEUTRAL
(CHASSIS)
(CHASSIS)
STR-K7200