Schematic Diagram - Standby Board - Sony STR-KM5000 Service Manual

6-30. SCHEMATIC DIAGRAM - STANDBY Section -
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 23)
C
CNP914
5P
+15V 1
U
POWER_RY 2
STANDBY GND 3
DIGITAL
AB BOARD
STOP (AC-OFF-DET)
4
(3/3)
CNP505 STANDBY (+9V)
5
(Page 28)
D
E
F
2SC3052EF-T1-LEF
G
STR-KM5000
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
D950 D952
1SR154-400TE-25 1SR154-400TE-25
C953
3300 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 7
R910
CNP911
0.22
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
1 R2 AC
2 R2 CENTER TAP
3 R2 AC
CNP902
1 LIVE
FH902 2 NC
F901
3 NC
T2.5AL/250V (EXCEPT MX)
T4AL/250V (MX)
4 NEUTRAL
FH901
RY901
T902, 903
SUB POWER
TRANSFORMER
5
(SP, MY, AR)
JS951 JS903
6 4
CNP901
Refer to
JS950 JS901
right
7 3
1 LIVE
figure.
2 NC
(MX)
8 2
3 NEUTRAL
9 1
JS902
1 PT AC IN(120V/240V)
2 NC
3 AC IN
4
NC
5 220V/240V
6
NC
7
120V
41 41
8 9
6P
Z
DCDC
CONVERTER
BOARD
CN4001
(Page 38)
3P
MAIN
J
BOARD
(3/3)
CNP940
(Page 23)
T901
4P
MAIN POWER
MAIN
N
TRANSFORMER
BOARD
(3/3)
CNP921
(Page 23)
AC
X
SELECT
BOARD
CNP905
(Page 39)
(E51)
T902 (EXCEPT MX)
5
6 4
7 3
3P
8 2
(AC IN )
9 1
(E51)
CN901
T903 (MX)
7P
5
V
6 4
AC
SELECT
BOARD 7 3
CNP903
(Page 39)
8 2
9 1
STR-KM5000