Sony HT-SS380 / STR-KS380 Service Manual ▷ View online
STR-KS380
STR-KS380
13
13
5-5. BLOCK DIAGRAM - SMPS Section -
3
POWER CONTROL
IC901
D
(AC IN)
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
T902
F901
D908
ISOLATOR
PC901
B+ SWITCH
Q901
4 VCC
1 OCP
5 OLP
1
POWER CONTROL
IC921
D
4 VCC
6
FB/OLP
8
STARTUP
RECT
D931
D931
D932
SHUNT
REGULATOR
IC931
D922
D910
D905
D906, 907
POWER ON/OFF
CONTROL
Q943, 947
+31.5V
RECT
D943
D914, 915
TH901
Q921
POWER VOLTAGE
CONTROL
Q981, 982
ISOLATOR
PC902
LF901
LINE
FILTER
LF902
LINE
FILTER
RECT
D901
AMP +1.8V
+1.8V
REGULATOR
IC2003
RECT
D944
RECT
D942
+5V
+6.3V
REGULATOR
IC4500
RECT
D941
+12V
REGULATOR
IC941
IC3509
A +9V
B+ SWITCH
Q946
SHUNT
REGULATOR
IC951
73
PCONT_1
87
PCONT_3_SAIR
75
PCONT_2
SYSTEM CONTROLLER
IC1008 (4/4)
F1
F2
F2
VEE
FOR FLUORESCENT
INDICATOR TUBE
T700
DC/DC
CONVERTER
RECT
D726 – 727
OSC
Q701
6 FL_D_OUT
7 FL_CLK
5 FL_LAT
7 FL_CLK
5 FL_LAT
FLUORESCENT
INDICATOR TUBE DRIVER
IC700
7
DIN
8
CLK
9
STB
FL700
FLUORESCENT
INDICATOR
TUBE
SEG1 – SEG16,
SEG17
14 – 29,31
GRID1 – GRID12
42 – 32
79 SIRCS_IN
ROTARY
ENCODER
ARV700
REMOTE CONTROL
RECEIVER
IC701
MASTER
VOLUME
VOLUME
I/1
80 POWER KEY
45 VOL JOG
S755
+9V
REGULATOR
IC1005
+5V
REGULATOR
IC1900
D909
L
SD
AMP +12V
HDMI +5V
+5V
REGULATOR
IC3510
K
+1.2V
REGULATOR
IC3528
E +4V
+3.3V
REGULATOR
IC943
D +3.3V
HDMI +1.2
86
P_CONT_HDMI
B+ SWITCH
D3515
D3514
5VPWR
D1003
ISOLATOR
PC903
D725
WHITE
LED
LED DRIVE
Q700
1 SW1
41 AD KEY
S700
S701
SOUND
FIELD
S702
INPUT
SELECTOR +
HDMI +3.3V
+3.3V
REGULATOR
IC3526
+1.1V
+1.1V
REGULATOR
IC1001
+5V
REGULATOR
IC1706
+5V
HDMI +1.8V
+1.8V
REGULATOR
IC3523
Q
+5V
REGULATOR
IC1004
(PAGE 10)
(PAGE 12)
(PAGE 10)
+6.4V
REGULATOR
INPUT
SELECTOR -
US, CND
STR-KS380
STR-KS380
14
14
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• f
: internal component.
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 5 : fusible resistor.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
J
: AUDIO (DIGITAL)
F
: AUDIO (ANALOG)
f
: TUNER
E
: HDMI
N
: MIC
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f
: Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
• Circuit Boards Location
Note:
The components identi-
fi ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
The components identi-
fi ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Abbreviation
CND : Canadian model
AR
CND : Canadian model
AR
: Argentina model
• Abbreviation
CND : Canadian model
AR
CND : Canadian model
AR
: Argentina model
DISPLAY board
KEY-POWER board
HDMI board
DCDC board
MAIN board
SMPS board
STR-KS380
STR-KS380
15
15
5-6. PRINTED WIRING BOARD - MAIN Board (Component Side) -
•
: Uses unleaded solder.
• See page 14 for Circuit Boards Location.
1
18
CN1700
C1700
C1127
C1706
C1707
C1708
C1725
C1726
C1727
C1728
VCC
O
VCC
O
C1738
C1741
C1744
C1758
C1760
C1765
C1769
C1788
C2345
C1793
1
12
CN1001
C1000
C1014
C1016
C1019
C1025
C1027
J1700
J1701
J1702
C1030
C1031
C1034
C1035
C1037
B2000
1
4
CN2002
L1702
C1096
C2234
C2235
C2240
C2247
C2249
C2255
C2265
C2266
C2267
C2268
C2278
C2279
C2287
C2288
C2289
C2290
C2297
C2298
C1115
A1900
1
5
4
2
3
4
3
5
2
1
C1118
FB1001
FB1003
R2097
FB1004
R2098
C1120
FB1005
R2099
C1121
FB1006
C1122
FB1007
C1123
C1701
C1
125
C1702
C1126
C1704
B
E
Q1700
R1100
C1705
B
E
E
Q1701
R1101
R1102
‚a
‚d
Q1702
R1103
‚a
‚d
Q1703
R1
104
R1105
JL2101
C1709
R1
106
JL2102
R1
107
JL2103
R1
108
EB2000
R1
109
EB2001
EB2002
C1710
EB2005
C1713
R1110
C1714
R1111
C1715
C1716
R111
2
R111
3
C1717
R111
4
R111
5
R111
6
R111
8
R1119
L1001
L1002
L1003
C1723
L1004
C1724
D1700
R1
120
L1005
R1122
L1006
R1123
D1703
L1007
R1124
R1700R1701
R1702
JL2122
R1127
JL2123
R1703
JL2124
R1128
JL2125
R1129
R1705
JL2126
R1706
JL2127
R1707
R1708
JL2128
R1709
C1732
C1733
‚P ‚S
‚T
‚W
C1734
‚P
‚W
‚T
‚S
R1130
R1131
‚P
‚Q‚S
‚Q‚T
‚R‚U
‚R‚V
‚S‚W
‚P‚Q
‚P‚R
R1132
R1133
1
16
9
8
R1134
R1710
R1135
1
10
11
20
JL2132
R1136
R1137
JL2133
R1713
X2000
R1714
R1139
R1715
R1716
R1717
JL2138
1
8
9
16
R1718
JL2139
R1719
‚W
‚P
‚S
‚T
C1742
C1743
R1140
R1141
JL2140
R1720
C1748
JL2141
C1749
JL2142
C2302
R1722
JL2143
C2303
R1723
R1
147
R1724
R1
149
C2306
R1726
C2307
R1727
R1728
R1729
R1150
R1151
R1152
C1756
C1757
R1153
R1
154
C1759
R1731
R1
155
FB2002
R1732
R1733
R1734
R1735
C2316
C2317
R1737
C2318
R1738
C2319
C1761
C1762
C1763
C1764
R2100
R2101
C1767
R1740
C1768
R1741
R1742
R1166
R1743
R1744
R1745
R1746
R1747
R1748
C1772
C1774
R2111
R1171
C1776
R2112
R1172
C1777
R2113
R1
173
R1750
R1
174
C1779
R1177
R1753
R1754
R1755
R1756
R1757
R1758
CL1004
C1780
R298
R1759
L2001
L2002
L2003
C1783
C1784
L2004
R1180
CL1009
C1785
L2005
R1
181
L2006
C1786
L2007
C1787
R1760
L2008
R1184
R2125
C1789
C2342
R2126
R1186
C2343
R2127
R1187
CL1010
R2128
R1188
R2129
R1768
C2348
R1769
C1792
R1
190
C1795
R1191
R1
192
R1
194
R1771
R1195
R1772
R1
196
R1774
R1
198
R1199
TP2002
R1777
TP2003
R1778
R1779
TP2005
TP2007
R2140
TP2008
R2141
TP2009
R1780
R1781
R2145
R1782
R2146
R1783
R2147
R2148
TP2010
R1784
R2149
TP2011
R1785
TP2012
R1786
TP2013
R1787
TP2014
R1788
TP2015
TP2016
R2150
R2151
R2152
R1792
R2157
R1793
R2158
R1794
R2159
R1795
R1796
TP2024
TP2025
TP2026
TP2027
1
2
21
20
CN1002
1
6
CN1003
1
7
CN1004
R2164
1
2
13
12
CN1005
1
9
CN1006
TP2030
TP2031
TP2032
TP2033
EB1700
C1001
C2196
C1002
C2197
C1004
CL1058
C1005
BE
Q1001
B
E
Q1002
B
E
Q1003
B
E
Q1004
B
E
Q1005
B
E
E
Q1006
C1011
C1012
C1013
CL2007
CL2008
C1017
C1020
C1022
C1023
D1000
D1001
D1002
C1026
D1003
D1004
C1029
D1005
R1003
R1004
R1005
R1006
R1007
JL2003
R1008
X1700
X1701
R1009
1
4
5
8
9
C1801
C1032
C1802
6
1
5
R1200
C1805
R1201
C1036
C1806
R1202
1
8
9
16
C1807
R1203
1
100
30
31
81
80
50
51
C1038
R1204
133
132
88
45
44
176
89
1
177
R1011
C1039
R1013
R1014
R1015
R1016
R1017
1
4
5
8
R1018
C1810
1
8
9
16
C1046
C1047
R1020
R1021
R1022
R1023
R1024
R1025
FB1701
FB1702
R1027
FB1703
R1028
FB1704
R1029
C1051
C1052
FB1706
C1053
C1054
FB1708
C1055
C1056
C1057
R1030
C1058
R1800
R1031
C1059
R1801
R1802
R1803
R1804
FB1710
R1035
R1036
R1806
R1037
C1060
R1038
C1061
R1039
C1062
C2003
C1064
C1066
C2006
C1067
C1
B1
E1
C2
B2
E2
E2
Q2003
R1040
R1041
C1
B1
E1
C2
B2
E2
E2
Q2005
R1812
C1
B1
E1
C2
B2
E2
E2
Q2007
R1813
R1045
C1
B1
E1
C2
B2
E2
E2
Q2009
R1046
R1047
C1070
C2010
C2204
C2011
C2205
R1049
C1072
C2206
C2013
C2207
C1
B1
E1
C2
B2
E2
E2
Q2011
C2016
C1077
C2017
C1
B1
E1
C2
B2
E2
E2
Q2013
L1703
C1078
R1050
C1079
R1051
R1052
R1053
B
E
Q2017
R1054
B
E
Q2018
R1055
B
E
Q2019
R1056
R1057
R1058
JL2630
C2020
C1081
JL2055
C2021
C1082
C1083
C2023
C1084
BE
Q2020
D2000
C1085
BE
Q2021
C1086
C2026
C1087
C1088
R1060
R1061
R1062
R1063
R1064
R1065
R1066
R2007
R1067
C1090
R1068
C2030
R2008
‚P
‚Q‚S
‚Q‚T
‚R‚U
‚R‚V
‚S‚W
‚P‚Q‚P‚R
C1091
R1069
C2031
R2009
‚P
‚Q‚S
‚Q‚T
‚R‚U
‚R‚V
‚S‚W
‚P‚Q
‚P‚R
‚P
‚Q‚S
‚Q‚T
‚R‚U
‚R‚V
‚S‚W
‚P‚Q
‚P‚R
C1092
C1093
C1094
1
44
22
23
1
44
22
23
1
44
22
23
C2037
R1070
R2010
R2204
R1071
C2039
R2011
R2205
R1072
R2012
R2013
R1074
R2014
C2230
R1075
R2015
R1076
R2016
R1077
R2017
R1078
C2040
R2018
R1079
R2019
C2043
C2239
C2046
R1080
R2020
R1081
R2021
R1082
R2022
R2023
R1083
R2024
R1084
C2241
R1085
R2026
C2243
R1088
R2028
R1089
R1090
R1091
R2031
R1092
R2033
R1093
R2228
R1094
R2034
C2251
R2035
JL2092
R1096
JL2093
R1097
R2038
C2254
R1099
R2039
JL2096
C2257
JL2098
C2258
C2065
C2068
C2069
R2042
R2236
R2043
C2263
CL1700
EB1000
C2070
CL1701
C2071
CL1702
C2072
CL1703
C2073
R2053
C2270
R2054
R2055
R2057
R2058
C2275
C2276
SL2001
SL2002
C2281
C2282
R2067
R2068
R2069
R2072
R2073
X1000
C1101
C2295
X1001
C2296
C1103
R2083
R2084
R2085
R2087
R2088
8
5
1
4
B
E
Q1007
R1205
R1206
R1207
‚a
‚d
Q1704
R1208
R1817
R1900
1
4
5
8
C1900
R1902
C1902
R1903
R1904
R1909
R1910
C1903
R191
1
‚P
‚S
‚S
‚T
‚W
C1006
CN1704: US, CND
CN1702: AEP, AR
CN1702: AEP, AR
US
DIGITAL
L
R
LINE IN
AUDIO IN
TUNER
(FM/AM)
FM 75
:
COAXIAL
ANTENNA
AM
FLASH PROGRAMMING
TB2002
SPEAKER
SPEAKER
SUR R
SUR L
FRONT R
FRONT L
TB2001
CENTER
SUBWOOFER
OPT IN
TV
OPT IN
SAT/CATV
COAX IN
VIDEO
AUTO CAL
MIC
DC5V
1A MAX
DMPORT
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
(COMPONENT SIDE)
IC2001
IC2000
IC2004
IC2005
IC2006
IC2007
IC1009
IC1707
IC1015
IC1000
IC1002
IC1700
IC1014
IC1013
IC1012
IC1001
IC1701
IC1704
IC1703
IC1010
IC171
1
IC1008
IC1006
IC1705
IC1706
IC1004
IC1710
IC1007
IC1003
IC2002
IC2003
IC1709
IC1900
IC1708
D
HDMI
BOARD
CN3512
(Page 23)
A
DISPLAY
BOARD
CNS701
(Page 27)
E
SMPS
BOARD
CN906
(Page 29)
1-883-646-
11
(11)
F
SMPS
BOARD
CN904
(Page 29)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
STR-KS380
STR-KS380
16
16
5-7. PRINTED WIRING BOARD - MAIN Board (Conductor Side) -
•
: Uses unleaded solder.
• See page 14 for Circuit Boards Location.
C1124
C1703
R
111
7
JL2118
C1721
JL2119
C1722
R1121
R1125
C1729
R1126
R1704
C1730
C1731
C1736
C1737
C1739
JL2134
R1138
JL2135
C1740
C1745
R1
144
C2301
R1721
R1
146
R1148
R1725
C2308
C2309
R1730
R1157
R1158
R1736
R1739
R1
161
C1766
R1164
C1770
R1749
JL234
JL235
JL236
JL237
C1778
JL238
R1751
JL239
R1
175
R1752
R1176
C2333
C2335
R1
179
CL1002
C2336
C2337
C2338
JL240
CL1005
C2339
JL241
JL242
CL1007
JL243
CL1008
JL244
R1183
R1761
R1762
R1763
R1764
R1765
CL1011
R1766
CL1012
R1767
CL1013
C2347
CL1014
C2154
C1790
CL1015
C2155
CL1016
C2156
CL1017
C2157
CL1018
CL1019
R1770
R1773
R1197
CL1020
R1775
JL1001
CL1021
R1776
JL1002
CL1022
JL1003
CL1023
JL1004
CL1024
TP2004
JL1005
CL1025
CL1026
TP2006
JL1006
CL1027
JL1007
CL1028
CL1029
CL1030
JL1011
JL1012
CL1032
CL1033
JL1013
CL1034
C2175
CL1035
C2176
CL1037
CL1038
TP2019
CL1039
R2155
TP2020
CL1040
TP2021
CL1041
TP2022
CL1042
CL1043
CL1044 CL1045
CL1046
CL1047
R2160
CL1048
R2161
CL1049
R2165
R2166
CL1050
CL1051
CL1052
CL1053
CL1054
TP2035
CL1055
TP2036
CL1056
TP2037
C1003
CL1057
TP2038
TP2039
CL1059
C1006
C1007
C1008
C1009
R2177
TP2040
CL1060
TP2041
TP2042
CL2003
C1010
CL1064
CL2005
C1015
CL2009
C1018
CL2010
R2188
R2189
C1021
R2190
R2191
R2192
R2193
C1028
R2194
R1001
R2195
R1002
C1033
IO
R1010
R1012
C1041
C1042
C1043
C1044
C1045
C1048
R1026
C1050
FB1707
FB1709
R1032
R1033
R1034
R1807
C1063
C2004
C2005
C1065
C2007
C1068
C2008
C1069
C2009
R1048
C1071
C2012
C1073
C2014
C2208
C1074
C1075
C2015
C2209
C1076
C2018
C2019
C2210
C2211
C2212
C2213
C1080
C2214
C2215
R1059
C2022
C2216
C2217
C2024
C2218
C2025
C2219
C2027
C2028
C1089
C2029
C2220
C2221
C2222
C2223
C2224
C2225
C2032
C2226
C2033
C2227
C2228
C1095
C2229
C1097 C1099
R2206
R2207
C2232
C2233
C2236
C2237
C2044
C2045
C2047
C2244
CD1031
C2246
C2248
R2224
R2226
R2227
C2250
C2252
R1098
C2256
C2066
C2067
C2262
C2264
C2269
C2271
C2091
C2285
C2092
C2286
C2291
C2292
C1104
C2299
C1105
C1
106
C
111
4
C1116
JL1008
JL1009
JL1010
CL1003
CL1065
R1209
L1706
C1128
C1129
R121
1
R1210
R1212
R1213
R1901
C1904
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 (CONDUCTOR SIDE)
IC1005
1-883-646-
11
(11)
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