Sony STR-K7200 Service Manual - Page 47

Schematic, Diagram, Standby Board

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6-32. SCHEMATIC DIAGRAM - STANDBY Board - 1 2 3 4 5 6 7 8 STANDBY BOARD R910 0.22 A 1/2W CN912 6P +15V 1 NC 2 K R2 GND IN 3 MAIN STBY GND 4 B BOARD (3/3) -15V 5 CNP912 R2 RETURN GND 6 (Page 24) C910 0. 1 D910 1SR154-400TE-25 D912 1SR154-400TE-25 R911 0.22 1/2W C CNP913 6P +15V 1 U DIGITAL AB BOARD (4/5) CNP505 (Page 28) POWER_RY 2 STANDBY GND 3 STOP (AC-OFF-DET) 4 STANDBY (+9V) 5 SUB-T (CEC) 6 D E C912 2200 25V C913 1000 25V C911 0. 1 D911 1SR154-400TE-25 D913 1SR154-400TE-25 R903 2.2k R904 47k Q901 2SC3052EF-T1-LEF RELAY DRIVE 0. 8 Q951, 955 B+ SWITCH 0. 2 D901 MA2J1110GLS0 R902 1 FH902 F901 5A/125V FH901 RY901 Q955 2SC3052EF-T1-LEF 13. 9 13. 7 R956 2.2k R955 2.2k 0 14. 8 R957 47k C955 1000 25V 7. 1 Q951 2SB1132-T100-R D955 1SR154-400TE-25 JS950 T904 SUB POWER TRANSFORMER 5 6 4 7 3 C950 0.1 D950 1SR154-400TE-25 C954 6800 16V D951 1SR154-400TE-25 D952 1SR154-400TE-25 D953 1SR154-400TE-25 C951 0.1 8 2 C952 0. 1 9 1 C999 0. 1 F 0 C992 R991 22k D991 MA2J1110GLS0 1 Q990 0. 6 50V D990 MA2J1110GLS0 2SC3052EF-T1-LEF AC OFF DETECT R993 R990 10k 47k G CNP911 6P 1 AC-R2-17V 2 AC-R2-17V 3 GND 4 GND 5 AC-R2-17V 6 AC-R2-17V CNP910 3P 1 R2 AC 2 R2 CENTER TAP 3 R2 AC CNP902 4P 1 LIVE 4 NEUTRAL Z DCDC CONVERTER BOARD CN4001 (Page 45) T901 MAIN POWER TRANSFORMER JS903 CNP901 3P 1 LIVE 3 NEUTRAL R901 3.3M 1/2W B900 ET901 (CHASSIS) E (CHASSIS) (AC IN ) 9 MAIN J BOARD (3/3) CNP940 (Page 24) MAIN N BOARD (3/3) CNP921 (Page 24) STR-K7200 47 47 STR-K7200

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STR-K7200
STR-K7200
47
47
6-32. SCHEMATIC
DIAGRAM
- STANDBY Board -
BOARD
CN4001
CONVERTER
Z
DCDC
(4/5)
DIGITAL
U
CNP505
AB BOARD
BOARD
(3/3)
CNP912
K
MAIN
(3/3)
MAIN
J
CNP940
BOARD
(3/3)
N
CNP921
MAIN
BOARD
0
13.7
13.9
14.8
7.1
0
0.6
0.8
0.2
50V
1
C992
1
R902
FH901
FH902
RY901
E
ET901
25V
C955
1000
JS950
1
2
3
3P
CNP910
R2 AC
R2 CENTER TAP
R2 AC
25V
1000
C913
1
3
3P
CNP901
LIVE
NEUTRAL
25V
2200
C912
16V
C954
6800
1
4
4P
CNP902
LIVE
NEUTRAL
F901
0.1
C910
0.1
C911
2SC3052EF-T1-LEF
Q990
22k
R991
10k
R993
47k
R990
0.1
C951
0.1
C950
1SR154-400TE-25
D955
MA2J1110GLS0
D901
MA2J1110GLS0
D991
MA2J1110GLS0
D990
R955
2.2k
1
2
3
4
5
6
6P
CNP911
AC-R2-17V
AC-R2-17V
GND
GND
AC-R2-17V
AC-R2-17V
1
3
4
5
6
7
8
9
2
T904
2SC3052EF-T1-LEF
Q901
2SC3052EF-T1-LEF
Q955
2.2k
R956
2.2k
R903
2SB1132-T100-R
Q951
0.1
C999
1/2W
0.22
R910
1/2W
0.22
R911
JS903
C952
0.1
47k
R904
47k
R957
1
3
4
5
6
6P
CN912
+15V
2
NC
R2 GND IN
STBY GND
-15V
R2 RETURN GND
1
2
3
4
5
6
6P
CNP913
+15V
POWER_RY
STANDBY GND
STOP (AC-OFF-DET)
STANDBY (+9V)
SUB-T (CEC)
1/2W
3.3M
R901
D910
1SR154-400TE-25
D911
1SR154-400TE-25
1SR154-400TE-25
D913
1SR154-400TE-25
D912
D953
1SR154-400TE-25
1SR154-400TE-25
D952
1SR154-400TE-25
D951
1SR154-400TE-25
D950
STANDBY BOARD
(AC IN )
(CHASSIS)
(CHASSIS)
B900
5A/125V
TRANSFORMER
SUB POWER
AC OFF DETECT
RELAY DRIVE
Q951, 955
B+ SWITCH
T901
MAIN POWER
TRANSFORMER
D
B
F
5
3
G
1
C
E
8
9
6
7
4
A
2
(Page 24)
(Page 28)
(Page 45)
(Page 24)
(Page 24)