Sony HT-CT380 / HT-CT381 / SA-CT380 / SA-CT381 Service Manual ▷ View online
HT-CT380/CT381
HT-CT380/CT381
33
33
5-3. BLOCK DIAGRAM - AMP Section -
SDA
20
SCL
21 19 18 16
13
Xin
11
Xout
X1001
8MHz
SYSTEM CONTROLLER
IC1002 (3/4)
DAMP_SDA
28
DAMP_SCL
27
DAMP_SOFT_MUTE
67
DAMP_PDN
69
DAMP_INIT
68
DC_DET
74
STREAM PROCESSOR
IC3002
SDIN1
24
SCLK
23
LRCLK
22
MCLK
11
AMP_D1FLFR
MCK
SDIN3
26
AMP_D3CSW
DSP_LRCK
DSP_BCK
AMP_D1FLFR, AMP_D3CSW,
MCK, DSP_BCK, DSP_LRCK
MCK, DSP_BCK, DSP_LRCK
>002B
BUFFER
Q3002
PWM_M_2 40
DIGITAL POWER AMP
IC3001
INPUT_D
OUT_D
15
INPUT_C
14
INPUT_B
6
INPUT_A
5
27
OUT_D 28
OUT_C 32
OUT_B 35
PW_VACS_DET 63
OUT_A 39
PWM_P_2 41
VALID 37
PWM_M_4 48
PWM_P_4 49
DC DETECT
Q3003
THERMAL DETECT
Q950, 952
DC DETECT
Q3001
SP2
(R-CH)
SP1
(L-CH)
L3001
L3004
L3003
L3002
OUT_A 40
TH902
(Except US, CND)
MUTE
PDN
RESET
DRIVE_OCP
(DIAG)
18
FA
U
LT
16
AMP_OVF
70
CLIP
18
OTW
17
RESET
4
(Except US, CND)
: AUDIO (DIGITAL)
SIGNAL PATH
: AUDIO (ANALOG)
(Page 32)
Ver. 1.1
HT-CT380/CT381
HT-CT380/CT381
34
34
5-4. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
TH901
RECT
D901
RECT
D965
LINE FILTER
LF901
RECT
D967
1 SIRCS_IN
REMOTE CONTROL
RECEIVER
IC801
35 BT_LED
LED DRIVE
Q1009
10
RESET
75 FL_DATA
77 FL_CLK
76 FL_CS
77 FL_CLK
76 FL_CS
ND801
FLUORESCENT
INDICATOR TUBE
SYSTEM CONTROLLER
IC1002 (4/4)
AC1
(AC IN)
F901
F3001
POWER CONTROL
IC930
BD
6
VCC
3
FB/OLP
5
D934
D942
D802
D3103, 3104
D936
D932
PVDD_28V
+28V
(FOR L-CH)
+28V
(FOR R-CH)
GVDD_12V
D937
REGULATOR
Q930
D3001
D804
+12V REGULATOR
IC3003
F3002
F931
E4V
E3.3V
DSP1.1V
DIGITAL
POWER AMP
B+
71
AC_CUT
80
P_CON_DSP
37
P_CONT2
26
PCONT_DRIVER
64
P_CONT1
DC/DC
CONVERTER
IC1009
DC/DC
CONVERTER
IC2012
DC/DC
CONVERTER
IC3705
VDD
59
P_CONT3
DD12V
+12V
REGULATOR
IC1011
E12V
VOLTAGE DETECT
IC1003
RESET SWITCH
Q1002
BT3.3V
43
PCONT_BT
+3.3V REGULATOR
IC2007
MFI3.3V
+3.3V REGULATOR
IC1013
23
HDMI_TX_5VPWR
HDMI_TX_5V
DD6V
HDMI5V
+5V REGULATOR
IC3107
+5V REGULATOR
IC3102
DIR5V
SW3.3V
+3.3V REGULATOR
IC1008
SW4V
B+ SWITCH
Q1007, 1008
+3.3V REGULATOR
IC803
DC/DC
CONVERTER
D803, 805, Q802
78
P_CONT_HDMI
HDMI3.3V
HDMI1V
D1008
P-COM3.3V
F+
VIN
VH
+3.3V REGULATOR
IC3106
+1V REGULATOR
IC3105
FOR
FLUORESCENT
INDICATOR TUBE
T901
POWER
TRANSFORMER
SI
SCK
STB
58 RST_FL
RESET
22 NFC_DATA
NFC1
NFC MODULE
(RC-S730 (WW))
NFC_SDA
SW
NFC_SCL
20 NFC_SCL
NFC_IRQ
83 NFC_IRQ
NFC_RFDET
17 NFC_RFDET
ISOLATOR
PH930
SHUNT
REGULATOR
IC931
PROTECT DETECT
Q931
BLUETOOTH
INDICATOR
D1011
+5V REGULATOR
IC2006
95 KEY0
72 KEY_INT
93 KEY1
92 KEY2
92 KEY2
D/ST
1
KEY
BOARD
HT-CT380/CT381
HT-CT380/CT381
35
35
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.)
• Waveforms
– MAIN Board –
wa
Q802 (Base)
5 V/DIV, 5
Ps/DIV
8
Ps
12 Vp-p
1
IC3109
ud (XTALOUT)
1 V/DIV, 20 ns/DIV
37.2 ns
3.8 Vp-p
2
IC3109
oa (MCLK)
1 V/DIV, 50 ns/DIV
59 ns
4.6 Vp-p
7
IC2009
qd (XTAL)
1 V/DIV, 20 ns/DIV
39.6 ns
3.7 Vp-p
20.8
Ps
4.3 Vp-p
9
IC2009
ya (LRCLK_OUT)
1 V/DIV, 10
Ps/DIV
qa
IC1002
qa (Xout)
1 V/DIV, 100 ns/DIV
126 ns
2.7 Vp-p
qd
IC1009
1 (BOOT)
5 V/DIV, 2
Ps/DIV
3
Ps
20.2 Vp-p
8
IC2009
y; (BCLK_OUT)
1 V/DIV, 200 ns/DIV
326 ns
4.4 Vp-p
3
IC2005
qk (LRCK)
1 V/DIV, 10
Ps/DIV
20.8
Ps
4.1 Vp-p
4
IC2005
ql (BCK)
1 V/DIV, 200 ns/DIV
326 ns
4.5 Vp-p
40.2 ns
3.7 Vp-p
5
IC2005
w; (SCKO)
1 V/DIV, 20 ns/DIV
6
IC2005
r; (XTO)
1 V/DIV, 20 ns/DIV
40.2 ns
2.8 Vp-p
q;
IC2012
1 (BST)
5 V/DIV, 2
Ps/DIV
3
Ps
24 Vp-p
qs
IC3705
1 (BOOT)
5 V/DIV, 2
Ps/DIV
2.9
Ps
24 Vp-p
– DISPLAY Board –
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.
• 2 : Nonfl ammable resistor.
• 5 : Fusible resistor.
• C : Panel designation.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• 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.
F :
F :
AUDIO
(ANALOG)
J :
AUDIO
(DIGITAL)
E :
VIDEO
N :
Bluetooth
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• 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.)
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.
• Indication of transistor.
C
B
These are omitted.
E
Q
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.
Note:
The components identi-
fi
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.
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 pièce 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 pièce portant le nu-
méro spécifi é.
• MAIN board is multi-layer printed board. However, the
patterns of intermediate layers have not been included in
diagrams.
diagrams.
Note: When the complete MAIN board is replaced, refer
to “NOTE OF REPLACING THE IC3001 ON THE
MAIN BOARD AND THE COMPLETE MAIN
BOARD” and “NOTES ON THE WIRELESS CON-
NECTION (LINK) AFTER REPAIRS ARE COM-
PLETE” on page 5.
MAIN BOARD AND THE COMPLETE MAIN
BOARD” and “NOTES ON THE WIRELESS CON-
NECTION (LINK) AFTER REPAIRS ARE COM-
PLETE” on page 5.
Note: When the complete MAIN board is replaced, refer
to “NOTE OF REPLACING THE IC3001 ON THE
MAIN BOARD AND THE COMPLETE MAIN
BOARD” and “NOTES ON THE WIRELESS CON-
NECTION (LINK) AFTER REPAIRS ARE COM-
PLETE” on page 5.
MAIN BOARD AND THE COMPLETE MAIN
BOARD” and “NOTES ON THE WIRELESS CON-
NECTION (LINK) AFTER REPAIRS ARE COM-
PLETE” on page 5.
HT-CT380/CT381
HT-CT380/CT381
36
36
5-5. PRINTED WIRING BOARDS - MAIN Section (1/2) -
•
: Uses unleaded solder.
Note 1: When the KEY board is defective,
replace the complete mounted board.
9
1
1
4
1
5
1
28
1
4
4 1
5 8
1
19
1
19
1
19
19
1
25
1
51
2
1
3
4
75
76
100
50
26
8
5
1
4
4
5
3
1
76
75
51
1
25
100
26
50
1
3
5
4
8
1
5
4
2
24
1
23
1
4
8
5
4
1
5
8
14
2
13
1
1
4
8
5
44
23
1
22
28
29
56
2
18
1
17
1
12
11
5
6
4
10 7
5
8
4
1
5
8
4
1
50
26
76
100
51
75
25
1
L3108
R3030
R2090
L3109
R3031
R3032
R3033
R3035
FB1001
R3036
R2096
R3037
FB1003
L3110
R3038
FB1004
L3111
R3039
L3112
FB1006
L3113
FB1007
L3114
FB1008
FB1009
R3235
R3041
R3236
R3042
FB1010
F3001
F3002
R1108
R1111
R1114
JC3001
R1115
JC3002
R1116
JC3003
R1117
JC3004
R1118
R1119
JC3007
L1002
L1003
R1120
R1121
JC3012
R1126
R1128
R3260
R3261
R1132
R1133
R1134
C2100
R1139
X2002
R3273
R3274
R1140
R3275
LN3001
LN3002
R3283
R3284
R1150
R3285
R1151
CL3110
FB2001
R1157
FB2003
FB2004
R3294
R2105
R2106
R1167
R2107
R2108
R1175
R1179
R2119
CL1002
CL1003
CL1004
L2001
CL1006
L2002
L2003 R1180
CL1008
L2004
CL1009
R2122
R1184
L2008
R1185
R2126
CL1010
CL1011
R2129
CL1012
CL1013
CN3100
CL1014
CN3101
CN3102
CL1016
CN3106
JL3139
R2144
JL3140
R2145
JL3141
R2147
CAM101
CAM103
CAM104
CN1002
CN1003
CN1005
CN1009
IC3105
R3301
CL1055
IC3106
CL1056
R3303 R3304
IC3109
R3305
R3306
C1006
Q1004
CL1063
CL1066
CL1067
CL2007
CL1068
L3004
L3003
L3002
L3001
CL2008
C3149
CL2009
CL2010
CL2010
CL1071
CL2011
CL1072
CL2012
CL1073
CL2013
C3154
CL1074
CL2014
CL1075
C3155
CL2015
C1021
CL1076
C3156
CL2016
CL1077
C3157
CL2017
C3733
CL1078
CL2018
C3158
C3734
CL1079
CL2019
C3159
D1001
C1026
C1027
D1004
CL1080
CL2020
C3160
R1004
CL1081
CL2021
R1005
D1009
CL2022
CL1082
C3163
C3164
ET3001
C1031
ET3002
IC1002
C1032
C1033
C1034
D1010
D1011
C1035
C1036
C1037
C1038
IC1008
C1039
IC1009
R1013
R1014
IC1010
R1018
R1019
C1041
IC1012
C1042
C1043
C1044
C1045
C1046
R1021
R1023
R1025
R1027
R1027
R1029
C3186
C3187
CN2001
C1056
C1057
R1033
R1034
R1035
R1038
C2004
C2005
Q2002
C2006
Q2003
R1040
C2009
CL3001
CL3002
CL3003
R1047
CL3004
R1048
C2010
CL3005
R1049
C2011
CL3006
C2012
CL3007
C2013
CL3008
C2015
C2018
C2019
R3187
R1053
R3188
R1054
R3189
R1055
C2020
C2021
C2022
C2023
R3190
R3191
C2025
R3192
C2026
D2003
C2027
R1060
C2028
R3195
R1061
D2005
C2029
R1062
R1063
R3198
R1064
R3199
R1065
R2007
R2009
C2032
C2033
IC2004
C2034
C2035
IC2006
C2036
IC2007
C2037
RB3108
C2038
RB3109
IC2009
C2039
R2012
R2014
C2040
IC2011
C2042
IC2013
IC2014
C2044
C2046
C2047
R2020
R2021
C2049
R2022
R2023
R2025
R2027
R2028
R2029
C2054
CN3001
CN3002
R2030
R2031 R2032
R2033
R2034
C2061
C2060
C3003
C2063
C3004
C3005
C3006
C3007
C2067
C3008
C2068
R2041
R2043
R2044
X3101
R2047
C2070
C3206
C3013
C2073
C3014
C2074
C3015
C3016
R2052
R2053
R2055
C3021
C2081
C3216
C3022
C3217
C3023
C2083
C2084
C3025
R2060
C2088
C2089
R2061
FB3102
R3002
R2062
R3003
R2063
FB3104
R3004
R2064
R3005
C2090
R2068
IC3001
FL2001
IC3002
FL2002
C2092
C3034
R3201
C2095
R3202
C3036
C3037
R3011
R2071
R3012
R2072
R3013
R2073
R3014
R2074
R3209
R2075
R2076
R2077
R2078
X1001
R2079
C3043
C3044
C3045
C3048
R2080
R3217
R2084
R3219
R2085
R2086
C3050
R2088
C3051
R3029
C3052
C3053
C3054
R3415
R3221
L3106
L3107
MAIN BOARD
(SIDE A)
1-894-319-
(CHASSIS)
A
K
E
E
(CHASSIS)
A
A
K
K
E
K
K
A
K
A
A
A
K
POWER
BOARD
CN902
>02P
(CHASSIS)
(CHASSIS)
DISPLAY
BOARD
CN803
>01P
(CHASSIS)
(CHASSIS)
(CHASSIS)
1
HDMI IN
2
ARC
HDMI OUT
3
HDMI IN
FFC2
RF1
RF MODULATOR
(SWA12-4V TX)
FFC1
BT1
Bluetooth
MODULE
MODULE
BLUETOOTH
INDICATOR
K
D1011
A
KEY
BOARD
FFC3
(Except US, CND)
(CT380)
(US, CND)
(CT381)
(Except US, CND)
SP2
(R-CH)
SP1
(L-CH)
SPC2
SPC1
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
11, 12
(11, 12)
Note 4: When the IC3001 on the MAIN board is replaced, refer to “NOTE OF REPLACING THE
IC3001 ON THE MAIN BOARD AND THE COMPLETE MAIN BOARD” on page 5.
Note 3: IC1009, IC1010, IC1012, IC2009 and IC3109 on the MAIN board cannot replace
with single. When these parts are damaged, replace the complete mounted board.
(Page 44)
(Page 46)
Note 2: When IC1002 on the MAIN board and RF modulator (Ref. No. RF1) are replaced, refer to “NOTES
ON THE WIRELESS CONNECTION (LINK) AFTER REPAIRS ARE COMPLETE” on page 5.
Ver. 1.1
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