Sony HT-CT550W / STR-CT550WT Service Manual ▷ View online
STR-CT550WT
STR-CT550WT
25
25
5-14. SCHEMATIC DIAGRAM - MAIN Board (7/7) -
• See page 15 for Waveforms. • See page 32 for IC Block Diagrams.
MAIN
BOARD
(5/7)
18
IC B/D
18
3.3
0
3.3
0.8
0
0
3.3
5
2.9
2.9
2.9
3.3
0.6
0.4
0.8
1.3
1.3
3.3
3.3
2.9
2.9
2.9
JL315
4700p
C324
33k
R316
100
R306
JL316
JL321
1
C323
RS5B700-0002E2
IC301
1
GND
2
VDDRF
3
FRF1
4
FRF2
5
GNDRF
6
CP2
7
NC
8
IIC/RDSI
9
LA
10
CK
11
VDD
12
GND
13
DA
14
ROUT
15
LOUT
16
IISD
17
CP1
18
X1
19
X2
20
VDD
100
R305
10
C321
JL302
1
C313
JL317
JL322
47k
R319
JL303
JL318
0.047
C307
C306
1
4700p
C325
10
C319
JL323
47k
R317
100k
R310
JL306
1
C322
0.1
C301
1000p
C308
100
R307
JL313
1
C312
JL307
JL320
MC2837
D301
1k (US, CND, TW)
R320
1.8k (AEP, UK)
47k
R318
FB303
0.33uH
L302
0
R323
1
C326
32.768kHz
X301
100
R326
R311
22k
R312
10k
5P
CN302
220p
C305
2200p
C328
10V
100
C310
NJM4565M(TE2)
IC303
1
2
3
4
V-
5
6
7
8
V+
R313
10k
R314
22k
RDS_INT/CLK
ST_SDA/DI
ST_SCL/CLK
TUNER_3.3V
GND
Rch
Lch
A5V
BPF
FL301
10k
R301
10k
R327
-
-
+
+
FM RECEIVER
IC301
IC303
LINE AMP
(7/7)
MAIN BOARD
ANTENNA
FM
COAXIAL
75
:
A
E
D
C
4
8
G
B
1
3
9
F
H
6
2
5
7
1k (US, CND, TW)
R321
1.8k (AEP, UK)
(Page 23)
Ver. 1.1
STR-CT550WT
STR-CT550WT
26
26
5-15. PRINTED WIRING BOARD - MAIN Board (Component Side) -
133
132
88
45
44
176
89
1
1
4
5
8
C1
B1
E1
C2
B2 E2
1
8
9
16
1
4
5
8
9
1
4
5
8
9
6
1
5
1
9
1
2
21
20
1
4
5
15
16
26
27
30
1
44
22
23
11
1
G
S
C1
B1
E1 C2
B2 E2
1
8
5
4
1
10
11
20
1
24
25
36
37
48
12
13
1
4
5
8
9
1
8
9
16
B
E
1
24
25
36
37
48
12
13
1
2
1
10
11
20
8
1
4
5
G
D
S
C3058
R401
R402
R403
R404
R405
R406
FB1003
C3060
FB1004
R216
FB1007
R217 R218
R1100
C3069
R1101
R1102
R1103
FB1010
FB1011
R415
R221
R416
R417
R418
R225
R419
R228
R420
R1111
R3052
R1112
R3053
R3054
R3055
R1116
R1117
IC3050
R1118
R1119
L1003
R1120
L1004
R1121
R3062
R1122
L1007
R1123
R3064
R1124
R1125
R1126
R1127
R3068
IC50
R3069
C3091
R1129
C401
C402
C403
R3070
C404
R1130
R3071
C405
C406
C212
R3072
C407
R1133
R3073
C408
R1135
C409
C217
R254
R255
C410
C411
C412
C413
C414
C415
C221
C416
C222
C417
R1143
C418
R1144
C419
R1145
R262
R1146
R1147
C420
C421
C422
C423
R1156
R1158
R1159
R1159
Q5001
Q5002
R1160
R1161
R1162
R1161
R1162
R1163
R1164
R1165
R1166
R1167
R1168
R1169
C254
C255
C257 C258
CL1001
R1179
CL1002
CL1007
R1181
FB5101
R1182
R5002
C262
JL3313
R1183
R5004
R1184
R1185
R5007
IC5001
IC5002
D401
CL1016
D402
CL1017
CL1018
R5010
CL1019
R1191
R1193
R1194
R1195
R1196
R1197
C3100
R1198
C5041
L302
C5042
C3103
Q3101
C3105
C3108
R5023
R5025
IC205
R5026
CAM101
R5029
L5101
L5102
C3113
CAM104
IC401
IC402
IC403
IC404
R5034
R5035
CAM301
CAM302
CAM303
R5037
R5038
C5060
C3121
R5039
CL1041
CL1042
CL1042
CL1043
CL1044
C5065
CL1045
C5066
CL1046
CL1047
R5040
CL1048
R3101
R5041
CL1049
R3102
R5042
R5043
CN1003
R3104
R5044
CN1004
CN1006
R5046
R5047
IC3100
R3108
CL1050
CN1009
R5049
CL1051
CL1052
CL1053
CL1054
C1001
CL1055
C1002
CL1056
C1003
CL1057
R5050
CL1058
C1004
R5051
Q1001
C1005
CL1059
Q1002
R5052
Q1003
Q1004
R5054
FB303
R5057
R5058
CL1060
CL1061
CL1062
CL1063
CL1064
C1011
C1012
CL1066
CL1067
C1014
R5061
CL1069
C1016
R5063
C1017
R5064
C1018
R301
R3125
C1019
R3126
CL1070
R305
X3051
CL1071
R306
CL1072
R307
C3153
CL1073
CL1074
Q3151
C3155
C1021
CL1076
C1022
L3013
C1023
C3158
C1024
R5071
C1025
D1002
R5072
R5073
D1003
IC253
R310
R5074
D1004
R1001
D1005
R5075
R312
D1006
R1002
R5076
R313
R5078
R1004
C3163
R1008
IC1001
C1032
IC1002
R5080
R1201
IC1006
C1036
R5082
R320
C1038
R1010
IC1008
R321
R1011
R323
R1014
C3171
R1015
R326
R1018
R1019
IC1011
C1041
C1042
IC1012
IC1013
C1043
R3151
R3152
R5093
R1020
C1049
R1021
R1022
R1024
R1027
R1028
C1051
C1054
C1055
CL66
D53
C305
C1059
C306
R1032
C307
R1033
C308
R1035
R1036
R1037
C1060
R1038
L3051
L3052
R3556
L3053
C310
X301
C312
C313
R3175
R3176
R1042
R3177
R1043
R1044
R1045
R1046
C1072
C321
C1076
C324
C325
R1051
C326
C328
R1054
R1056
R1058
R1060
R1061
R1062
X5000
C5100
C5101
JL3002
C5102
R1066
JL3003 JL3004
R1068
C5105
R1069
C5107
C5108
C5109
R1071
R1072
R1073
C5110
C5111
R1075
JL3012
C5112
R1076
JL3013
R1077
JL3014
R1078
R48
JL3015
R1079
FB5000
R1080
R51
R52
R1083
R1085
Q201
R1086
R5101
R5103
R1090
R5104
R5105
Q401
CN3006
R5106
Q402
R5107
R1095
IC5101
R1096
IC5102
IC5103
R1097
C3000
R1098
IC5105
R1099
C3001
L202
Q3000
Q3002
L401
L402
C3011
IC301
IC303
JL3056
R3001
R3002
R3003
R3009
IC3007
R3011
R3012
R3013
R3014 R3015 R3017
IC3010
X1001
X1002
R3020
R3021
R3022
L251
R205
C3052
R206
C3054
C3056
C1116
R3127
D
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
E
E
E
D
HDMI BOARD
CN3512
B
DISPLAY BOARD
CN803
(CHASSIS)
E
E
E
MAIN BOARD
(COMPONENT SIDE)
1-883-795-
11
(11)
WIRELESS
TRANSCEIVER
(EZW-RT50)
EZW-RT50/
EZW-RT20
M3001
(FAN)
M
(NC)
1
3
5
4
1
3
4
5
1
3
5
4
1
2
4
3
1 3
6 4
1
3
5
4
1
3
5
4
1
30
31
50
51
80
81
100
(US, CND, TW)
1
4
8
5
1
4
4
8
5
E
1
1
3
5
4
4
8
5
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
12
13
Note: When IC3100 on the MAIN board is replaced, spread the compound referring
to “NOTE OF REPLACING THE IC3100 ON THE MAIN BOARD AND THE
COMPLETE MAIN BOARD” on servicing notes (page 3).
COMPLETE MAIN BOARD” on servicing notes (page 3).
•
: Uses unleaded solder.
(Page 28)
(Page 16)
Ver. 1.1
STR-CT550WT
STR-CT550WT
27
27
5-16. PRINTED WIRING BOARD - MAIN Board (Conductor Side) -
R210
FB1001
R212
R407
R213
R408
FB1005
R409
FB1006
FB1008
FB1009
R219
R410
R411
R412
R413
R414
R220
C3070
C3071
R1115
R234
R235
L1002
R3061
L1005
R3065
R3066
JL5007
JL5008
JL5009
R1131
R1134
JL5011
R251
JL5012
R252
R253
JL5014
JL5015
JL5016
R256
JL5017
R257
JL5018
R258
JL5019
R259
JL5020
R260
C224
JL5021
JL209
R261
JL5022
JL5023
JL5024
JL5025
JL401
JL402
JL5026
JL5027
JL403
JL404
JL5028
JL210
JL405
JL5029
JL406
R3098
JL3101
JL3102
JL3103
JL3104
C248
C5016
C5017
C5018
C5019
C251
C252
C253
C256
C5020
C5021
C5022
C5024
C5025
C5026
C5027
C5028
C260
C5029
CL1009
C261
FB5102
R5003
R1186
C5030
CL1010
C5031
CL1011
C5032
CL1012
CL1013
CL1014
C5035
JL251
CL1015
C5036
JL252
C5037
JL253
C5038
JL254
JL255
JL256
JL257
JL258
JL259
C5040
JL1002
JL1003
C3104
C5044
JL260
JL1004
C5045
JL1005
JL261
JL1006
C3106
C5046
C3107
JL1007
C5047
JL263
JL264
C5049
C5050
C5051
C5052
C5053
C5054
C5055
JL1016
C5056
C3117
C5057
C3118
C5058
C3501
C3119
JL1019
C3502
C3120
JL1020
C5061
JL1021
C3122
JL1022
C5062
C3123
C5063
JL1023
C3124
C5064
JL1024
C3125
JL1025
JL1026
JL1027
C3510
JL1028JL1029
R3106
JL1030
JL1031
JL1032
JL1033
JL1034
JL1035
JL1036
JL1037
JL1038
JL1039
R5053
JL1040
R3119
JL1041
JL1042
JL1043
JL1044
JL1045
CL1065
JL1046
C1013
JL1047
R3120
JL1048
JL1049
D3510
R5065
R5066
R5067
R3510
R5068
R3512
JL1052
R3513
JL1053
JL1054
JL1055
CL1075
C3156
JL1056
C3157
JL1057
JL1058
JL1059
C1027
C1028
R311
R1003
R314
R5079
JL1061
R316
R1006
JL1062
R317
R1007
R318
JL1064
R319
C1031
R1009
C3167
C3168
JL1068
R1200
C3169
R5081
C1035
R1202
C1039
Q3551
C3555
Q3552
R1012
R1013
Q3554
JL1070
C3170
JL1071
JL1072
C3172
R1016
R327
JL1073
C3173
R1017
JL1074
C3174
C1040
JL1075
C3175
JL1076
JL1077
JL1078
JL1079
C1047
R5095
R1023
R5097
JL1080
R5099
R1025
JL1081
JL1082
R1026
JL1083
JL1084
JL1085
JL1086
JL1087
JL1088
JL1089
C301
C1056
R1030
JL5101
JL5102
JL5103
JL1090
JL5104
R1034
JL1091
R3169
JL5105
JL1092
JL5106
JL5107
JL5108
R3554
R1039
R3555
JL5109
R3170
JL5110
JL5111
JL5112
JL5113
JL5114
C319
JL5115
JL5116
R1047
JL5117
JL5118
R1049
JL5119
JL302
JL303
C1073
C322
JL306
C323
JL307
JL5120
R1050
R1052
R1053
R1055
R1057
R1059
JL313
JL315
JL316
JL317
JL318
R1063
R1064
JL3001
C5103
R1067
JL320
C5104
JL321
JL322
C5106
JL323
R1070
JL3011
R1081 R1082
R1089
D301
JL3029
R5102
R1092
JL3030
R5108
C3012 C3013
C3014
C3015
C3016
C3017
JL3053
C3020
JL3054
R3005
R203
R204
C1110
C1112
C1112
C1113
R207
R208
C1117
1
9
1
6
CN401
R422
L3151
L3152
L3153
FL301
C3116
CN1005
IC251
IC252
TB3001
C3166
CN302
J251
J252
L3101
L3102
L3103
OPT
DIGITAL
SAT/CATV IN
TV IN
COAX
VIDEO IN
ANTENNA
FM
75
:
COAXIAL
LINE IN
(US, CND, AEP, UK)
L
R
(L)
(R)
+
–
+
–
SPEAKERS
ONLY FOR
SS-CT550W
E
E
E
E
HDMI BOARD
CN3510
A
POWER BOARD
CN901
MAIN BOARD
(CONDUCTOR SIDE)
1-883-795-
11
(11)
1
3
2
1
3
2
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
12
13
•
: Uses unleaded solder.
(Page 16)
(Page 30)
Ver. 1.1
STR-CT550WT
STR-CT550WT
28
28
5-17. PRINTED WIRING BOARD - DISPLAY Board -
1
2
5
51
48
52
19
36
1
11
CN803
C802
C808
C813
C814
C815
C819
C820
C821
C822
C823
C824
S801
C825
S802
C826
S803
C827
S804
C828
C829
IC803
T801
L801
ND801
23
33
22
34
12
44
1
11
R801
R802
R803
R805
R806
R809
R810
R811
R812
R813
R814
R815
R816
R817
C803
C804
C805
C807
C809
C810
C811
C812
R851
C818
JL801
JL802
JL803
JL804
JL805
JL806
JL807
JL808
JL809
JL810
JL811
JL812
JL813
JL814
JL815
JL816
JL817
JL818
JL819
JL820
JL821
JL822
JL823
JL824
JL825
JL826
JL827
JL828
JL829
JL830
JL831
JL832
JL833
JL834
JL835
C851
JL836
C852
JL837
C853
JL838
JL839
JL840
JL841
JL842
JL843
JL844
JL845
JL846
D802
JL847
D803
JL848
D806
IC801
IC802
Q803
Q803
FLUORESCENT INDICATOR TUBE
INPUT
SELECTOR
+
–
VOLUME
S801 – 804
T801
1
9
DISPLAY BOARD
(COMPONENT SIDE)
DISPLAY BOARD
(CONDUCTOR SIDE)
1-883-796-
11
(11)
1-883-796-
11
(11)
B
MAIN BOARD
CN1009
C2
C1
C1
B2
B1
E
1
9
DC/DC
CONVERTER
TRANSFORMER
1
3
2
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
1
3
5
4
•
: Uses unleaded solder.
(Page 26)
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