Read Sony HT-SS380 / STR-KS380 Service Manual online
STR-KS380
STR-KS380
30
30
5-22. SCHEMATIC DIAGRAM - SMPS Board -
• See page 31 for IC Block Diagrams.
*4 R972
AR: 47k
US, CND: 0
AEP: 2.2k
*5 R973
AR: 47k
AEP: 2.2k
*6 R927
AEP, AR : 1
US, CND : 0.82
PS2561AL1-1-V-W
PC903
ISOLATOR
SMPS BOARD
C910
AEP, AR : 22 50V
US, CND : 10 50V
+3.3V REGULATOR
IC943
+12V REGULATOR
IC941
3.3 4.0
3.4 3.3
3.3
13.6
12.0
12.0
*2 C905
AEP, AR : 3300p 400V
US, CND : 0.01 400V
*3 R903, 904
AEP, AR : 100k 3W
US, CND : 33k 3W
1
3
10
11
2
9
12
13
14
5
8
4
6
12
4
3
4
3
1
2
10
11
7
9
12
13
14
5
4
8
15
16
3
12V
8.4V
6V
E4.0V
2.8A
0.571A
1A
336mA
12
1
2
3
4
6
5
6
5
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
11
12
1
3
4
5
6
E
E
E
E
1
3
3
1
7
2
3
4
5
6
3
4
5
6
C902
0.22
250V
D901
D5SBA60F01
C920
0.01
250V
C918
0.01
250V
C930
100p
250V
FR901
0.1
1W
C913
100p
250V
*3 R903
*3 R904
D913
SARS03
OCP/SYNC
GND
D
VCC
FB/OLP
C908
47
50V
C911
4700p
C909
220p
R911
220
R905
10
R906
3.3k
R907
10k
*7
C907
R909
100k
C935
0.01
50V
L931
5.6uH
C939
0.1
R932
33k
R936
470k
R933
4.7k
C937
0.047
IC931
TA76431AS(TPE6)
R939
3.3k
R934
1k
R935
1k
R937
10k
R940
10k
R938
1k
Q943
RT1N441C-TP-1
Q947
RT1N441C-TP-1
R949
1k
C925
47p
2KV
C929
0.1
R922
4.7
Q921
2SD1388TP-34
R923
4.7k
R969
1k
C923
4700p
R926
680k
C940
3300
10V
C944
2200
16V
C941
1000
25V
R946
150
R948
10k
C949
100
10V
R941
0
US, CND
R952
2.2k
C952
0.047
IC951
TA76L431S(TPE6,Q)
R953
3.9k
R955
470
R956
1k
TP901
TP902
TP903
TP904
JL918
JL911
JL909
JL908
JL907
JL906
R966 1k
C953
0.001
2kV
R971
0
C946
2200
16V
JL917
JL914
C965
0.001
250V
R901
1M
C901
0.22
250V
C938
AEP, AR: 680p 250V
US, CND: 330p 250V
*1 C963
*1 C964
R912
0.33
2W
*8 R914
CL001
CL002
JW928
10
C980
3300p 1.5Kv
NC
NC
NC
JW927
10
JW905
17.5
JW916
17.5
JW915
7.5
JW914 10
1
2
3
4
5
JW917
17.5
JW919 5.0
JW911
12.5
JW910 12.5
JW987
17.5
JW981
15
JW982
15
TP919
FH901
FH902
JW983 17.5
JW984
17.5
JW985
17.5
JW986
17.5
*6
R927
C936
0.01
C958
0.01
C960
0.01
JL910
JL916
Q981
RT1N441C-TP-1
R992
22k
R993
10k
Q982
2SC3052EF-T1-LEF
R910
1.2k
LF901
LINE FILTER
LF902
LINE FILTER
CN904
4P
GND
GND
+31.5V
+31.5V
R994
10k
R995
10k
IC943
SI-3033KM-TLS
Vcont
Vin
GND
Vout
Sense
IC941
SI-3120KM-TLS
Vcont
Vin
GND
Vout
Sense
CN906
12P
P_CON1
P_CON2
E+4V
D+3.3V
E+6V
DGND(SAIR)
VREF
MODEL/DESTINATION
DGND
D+5V
A+12V
AGND
P_CON2
E+4V
D+3.3V
E+6V
DGND(SAIR)
VREF
MODEL/DESTINATION
DGND
D+5V
A+12V
AGND
D943
RK46LF-T1
R967 1k
CN903
6P
E+4V
E+4V
DGND
DGND
E+6V
Q946
RSR025N03TL
R996
47k
R997
1k
D942
RK39LF-B3
R951
220
C906
1000p
1.5Kv
JW913
12.5
C933
2200
35V
C932
2200
35V
R908
10k
R954
4.7k
D931
FMX-22SL
T902
VDR902
L944
4.7uH
L945
4.7uH
L947
10uH
L948
10uH
L953 10uH
L952 10uH
E
EB905
EB902
EB906
EB903
EB904
EB907
*5 R973
C934
2200
35V
L942
4.7uH
L943
4.7uH
CN901
3P
LIVE
NUTRAL
D926
UDZSUSTE-1710B
D907
DA2J10100L
D908
DA2J10100L
D906
DA2J10100L
D909
DA2J10100L
R919
18k
JW912
17.5
JW988
12.5
D914
DA2J10100L
D915
DZ2J10000L
D923
DZ2J10000L
D924
DZ2J24000L
D932
DZ2J056M0L
D945
DZ2J20000L
C943
100
16V
C942
470
25V
C948
470
10V
C922
22
100V
C924
0.22
50V
D925
DZ2J051M0L
*4 R972
C971 0.1
C972 0.1
C955
0.1
C967
0.1
C951 0.1
C973 0.1
C969
0.1
25V
*2 C905
D905
D1NL20U-TR2
D941
D1NL20U-TR2
D922
D1NL20U-TR2
CN907
7P
+E8V
P_CONT1
+E8V
GND
GND
D+5V
D+5V
GND
GND
D+5V
D+5V
C968
0.1
~
~
R925
10
JW918
12.5
D910
DA2J10100L
(AC IN)
R929
2.2
1/2W
*1 C963, C964
AEP, AR : 0.001 250V
US, CND : 0.0022 250V
AEP, AR
US, CND
TH901
AEP, AR : NTC 6.0
US, CND : NTC 3.0
C903
AEP, AR : 330 450V
US, CND : 1000 200V
US, CND
US, CND
AEP, AR
D921
STO2D-140
R931
3.3k
R965
5.6k
SHUNT REGULATOR
IC931
Q981, 982
POWER VOLTAGE CONTROL
POWER ON/OFF
Q943, 947
CONTROL
L941
10uH
L951
10uH
IC B/D
1
3
4
5
6
8
STR-V153
IC921
DRAIN
OCP
VCC
GND
FB/OLP
ST
AR
TUP
IC921
POWER CONTROL
368.0
0 0.02
1.0
169.0
US, CND
SHUNT REGULATOR
IC951
C928
AEP, AR: 470p 250V
US, CND: 220p 250V
3
1
2
2.3
2.5
IC901
POWER CONTROL
IC B/D
IC901
AEP, AR : STR-F6168-LF1352
US, CND : STR-F6138-LF1352
Q901
2SA1015TP-YGR
B+ SWITCH
*C907
AEP, AR : 1000p
US, CND : 1500p
AEP, AR
*8 R914
AEP, AR : 0.1 5W
US, CND : 0.034 5W
US, CND
B+ SWITCH
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
SUB POWER
TRANSFORMER
PS2561AL1-1-V-W
PC901
ISOLATOR
T901
MAIN POWER
TRANSFORMER, CONVERTER
PS2561AL1-1-V-W
PC902
ISOLATOR
B+ SWITCH
3
1
2
0.5
0.5
E
US, CND
US, CND : 8A 125V
AEP, AR : 5A 250V
F901
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
MAIN
BOARD
(5/5)
CN2002
(Page 21)
MAIN
BOARD
(2/5)
CN1001
(Page 18)
HDMI PC
BOARD
(2/2)
CN3510
(Page 26)
F
E
C
DCDC
BOARD
CN4500
(Page 22)
G
0
11
168.3
0
24.7
11
24.5
24.3
24.3
24.6
3.7
0
0
0
6.0
11.9
6.0
0
0.2
0.3
0.2
D944
RK39LF-B3
US, CND
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