Sony HT-CT380 / HT-CT381 / SA-CT380 / SA-CT381 Service Manual ▷ View online
HT-CT380/CT381
HT-CT380/CT381
41
41
5-10. SCHEMATIC DIAGRAM - MAIN Section (4/6) -
• See page 48 for IC Block Diagrams.
Note: 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.
0
14
14
14
14
0
14
0
14
14
0
14
3.3
0
25.3
25.3
14.1
28
14.1
14.1
14.1
14.1
28
28
28
28
28
25.3
25.3
14.1
1.6
3.3
3.3
3.3
1.6
1.6
1.6
1.6
12
12
1.1
3.3
1.6
1.6
2.3
3.3
7.6
1.6
1.6
3.3
3.3
3.3
12
0.6
1
1.7
3.3
3.3
3.3
3.3
3.3
3.3
0.2
1.6
1
2.6
2.5
1.6
1.6
0
1.7
0
3.3
22
12.1
0.7
4P
CN3002
1
L+
2
L+
3
L–
4
L–
5P
CN3001
1
R+
2
R+
3
NC
4
R–
5
R–
P_GND
DSP_LRCK
AMP_D1FLFR
DSP_BCK
AMP_3.3V
NS_INIT
S_MUTE
MCK
AMP_D3CSW
PCONT_DRIVER
PVDD_28V
DAMP_PDN
DGND
SD
OVF1
DC_PRT
DAMP_SDA
JL3005
JL3001
JL3008
JL3007
JL3003
JL3006
JL3002
JL3004
C
B
E
B
C
E
HN1A01FU
Q3003
C
B
E
B
C
E
HN1A01FU
Q3001
BD00C0AWFP-E2
IC3003
CTL
1
VCC
2
GND
3
VO
4
ADJ
5
TAS5624ADDVR
IC3001
1
GVDD_AB
2
VDD
3
OC_ADJ
4
RESET
5
INPUT_A
6
INPUT_B
7
C-START
8
DVDD
9
GND
10
GND
11
GND
12
GND
13
AVDD
14
INPUT_C
15
INPUT_D
16
FAULT
17
OTW
18
CLIP
19
M1
20
M2
21
M3
22
GVDD_CD
23
BST_D
24
BST_C
25
GND
26
GND
27
OUT_D
28
OUT_D
29
PVDD_CD
30
PVDD_CD
31
PVDD_CD
32
OUT_C
33
GND
34
GND
35
OUT_B
36
PVDD_AB
37
PVDD_AB
38
PVDD_AB
39
OUT_A
40
OUT_A
41
GND
42
GND
43
BST_B
44
BST_A
TAS5534DGGR
IC3002
PWM_HPM_L
1
PWM_HPP_L
2
PWM_HPM_R
3
PWM_HPP_R
4
AVSS
5
PLL_FLTM
6
PLL_FLTP
7
VR_ANA
8
AVDD
9
ASEL_EMO2
10
MCLK
11
OSC_RES
12
DVSS2_CORE
13
DVDD2_CORE
14
EMO1
15
RESET
16
HP_SEL
17
PDN
18
MUTE
19
SDA
20
SCL
21
LRCLK
22
SCLK
23
SDIN1
24
SDIN2
25
SDIN3
26
SDIN4
27
VR_DIG
28
SDOUT
29
SCLKO
30
LRCLKO
31
TEST
32
PSVC
33
BKND_ERR
34
DVDD1_CORE
35
DVSS1_CORE
36
VALID
37
PWM_M_1
38
PWM_P_1
39
PWM_M_2
40
PWM_P_2
41
PWM_M_3
42
PWM_P_3
43
NC_44
44
NC_45
45
NC_46
46
NC_47
47
PWM_M_4
48
PWM_P_4
49
AVDD_PWM
50
AVSS_PWM
51
VR_PWM
52
NC_53
53
NC_54
54
NC_55
55
NC_56
56
100
R3040
100
R3033
100
R3031
100
R3041
100
R3032
100
R3042
100
R3030
100
R3029
0.01
C3044
0.0047
C3048
100
R3035
100
R3037
100
R3036
100
R3038
100
R3039
10
C3035
1
C3001
1
C3047
16V
100
C3050
47k
R3007
3.3k
R3009
3.3k
R3008
10
C3049
1000p
C3025
10
C3027
0.1
C3030
1
C3005
1000p
C3051
470p
C3003
0.01
C3055
1
C3007
1
C3006
470p
C3004
1000p
C3052
1000p
C3053
470p
C3013
0.01
C3056
1
C3018
1
C3017
0.01
C3058
0.01
C3057
35V
330
C3016
35V
C3015
330
15k
R3021
0.047
C3011
10
R3013
10
R3014
10
R3012
10
R3011
0.047
C3009
0.047
C3012
0.047
C3010
1
C3002
10
C3034
47
R3005
47
R3004
10k
R3043
47
R3045
47
R3003
47
R3002
1
C3043
1
C3042
0.01
C3045
0.1
C3031
1
C3032
1
C3046
30k
R3001
15k
R3025
18k
R3026
470
R3028
470
R3027
0.0047
C3038
0.0047
C3039
0.047
C3040
0.047
C3041
10
C3037
10
C3036
10k
R3044
R3046
1k
KDZVTR5.6B
D3001
CL3002
1
C3033
CL3001
32V
5A
F3001
32V
5A
F3002
1
C3008
1000p
C3054
470p
C3014
LSCR523UBFS8TL
Q3002
100k
R3020
DA2J10100L
D3002
DZ2J300M0L
D3003
100k
R3015
100k
R3016
100k
R3017
100k
R3019
100k
R3023
100k
R3018
CL3003
CL3008
CL3004
CL3007
CL3005
CL3006
1000p
C3021
1000p
C3022
1000p
C3023
DAMP_SCL
10uH
L3006
10uH
L3005
0
JC3001
JC3007
0
0
JC3005
0
JC3004
0
JC3003
0
JC3012
0
JC3002
10uH
L3002
10uH
L3003
10uH
L3004
10uH
L3001
STREAM PROCESSOR
IC3002
+12V REGULATOR
IC3003
IC3001
DIGITAL POWER AMP
MAIN BOARD (4/6)
(5/6)
>011S
MAIN
BOARD
(3/6)
>009S
MAIN
BOARD
(6/6)
>012S
MAIN
BOARD
(Except US, CND)
BUFFER
DC DETECT
6
1
4
3
DC DETECT
6
1
4
3
(CHASSIS)
(CHASSIS)
LN3001
LN3002
(6/6)
>013S
MAIN
BOARD
10
11
12
13
14
15
G
16
H
17
I
18
F
1
C
D
6
E
2
B
3
A
4
5
7
8
9
SPC1
SPC2
SP1
(L-CH)
SP2
(R-CH)
(Page 43)
(Page 43)
(Page 40)
(Page 42)
Ver. 1.1
HT-CT380/CT381
HT-CT380/CT381
42
42
5-11. SCHEMATIC DIAGRAM - MAIN Section (5/6) -
• See page 35 for Waveforms. • See page 48 for IC Block Diagrams. • See page 51 for IC Pin Function Description.
11
3.4
0
3.3
3
2
2.7
0
0
0
0
3.1
0
0
2.6
2.5
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
0
2.2
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.1
1.8
1.6
2.9
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.1
3.3
3.3
2.8
3.3
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0.1
C1006
0.1
C1001
0.1
C1002
0.1
C1003
0.1
C1005
0.1
C1007
RB520SM-30T2R
D1001
RB520SM-30T2R
D1002
RB751S40,115
D1010
RB520SM-30T2R
D1004
DAMP_PDN
JL1001
JL1042
JL1046
JL1045
JL1044
JL1039
JL1041
JL1043
JL1040
BMA250E
IC1012
SDO
1
SDI
2
VDDIO
3
NC
4
INT1
5
INT2
6
VDD
7
GNDIO
8
GND
9
CSB
10
PS
11
SCK
12
R5F3650RDFB#30
IC1002
SIRCS_IN
1
SIRCS2
2
DSP_MOSI
3
DSP_MISO
4
DSP_SPICLK
5
DAMP_SDA
28
M_TX_OUT
29
M_RX_IN
30
AC_CUT
71
KEY_INT
72
BT_MUTE
73
DC_DET
74
FL_DA
TA
75
Vref
96
AVcc
97
DIR_DO(MC_DIRDI)
98
DIR_DI(MC_DIRDO)
99
DIR_CLK
100
PCONT_DRIVER
26
DAMP_SCL
27
BYTE
6
CNVss
7
ROM_SDA
8
ROM_SCLK
9
RESET
10
Xout
11
Vss
12
SCD/CLK1
31
RTS1/MC_BT_CTS0
32
MC_BT_TXD0
33
MC_BT_RXD0
34
BT_LED
35
MC_BT_RTS
36
P_CONT2
37
DSP_INTR
66
DAMP_SOFT_MUTE
67
DAMP_INIT
68
DAMP_PDN
69
AMP_OVF
70
P_CONT1
64
WS_INT
65
MODEL
91
KEY2
92
KEY1
93
AVss
94
KEY0
95
TILT_SENS
89
DESTINATION
90
Xin
13
Vcc1
14
CEC_IO
15
DIR_ZERO
16
NFC_RFDET
17
DRIVE_OCP(DIAG)
18
WL_DET
19
NFC_SCL
20
WL_RST
21
NFC_SDA
22
HDMI_TX_5VPWR
23
HDMI_NON_LPCM
24
DIR_ERROR
25
A_SEL0
38
HOLD
39
WL_SCL
40
WL_SDA
41
BT_RST
42
PCONT_BT
43
WR
44
HDMI_SDA
45
HDMI_SCL
46
HDMI_MUTE_DET
47
DSP_SPIDS
48
DSP_RESET
49
SF_HOLD_DSP
50
DIR_XST
A
TE
52
DIR_RST
53
HDMI_RST
54
HDMI_MUTE_ON
55
HDMI_INT
56
SEL_HDMI
57
RST_FL
58
P_CONT3
59
Vcc2
60
NC
61
Vss
62
PW_V
ACS_DET
63
DIR_HCE
51
FL_CLK
77
P_CONT_HDMI
78
CP_RESET
79
P_CON_DSP
80
NC
81
NC
82
NFC_IRQ
83
NC
84
NC
85
NC
86
CP_CLK
87
CP_DATA
88
FL_CS
76
LTC014EUBFS8TL
Q1004
47k
R1022
R1013
100k
R1026
4.7k
R1066
1M
R1034
R1035
100k
R1058 10k
100
R1023
47
R1047
R1004
10k
R1030
1k
R1016
R1108 2.2k
10k
R1017
4.7k
R1006
R1068
100
R1069
100
100
R1064
R1019
100k
R1028
100k
4.7k
R1067
47k
R1052
100
R1061
R1055 100k
100k
R1032
R1051 4.7k
100
R1063
100
R1097
R1040 100
100
R1098
100
R1095
4.7k
R1007
10k
R1015
R1049 100
R1065 100
27k
R1038
47
R1048
10k
R1003
2.2k
R1111
10k
R1
129
100
R1020
100
R1027
R1062 100
R1050 10k
100
R1029
R1021
100
R1014
1k
100
R1025
10k
R1001
100
R1059
100
R1
159
100
R1157
0
R1033
47k
R1037
R1005
47k
10k
R1031
R1107
4.7k
R1018
100k
10k
R1042
10k
R1002
2.2k
R1164
2.2k
R1163
3.3k
R1161
100
R1060
SD
RX_MUTE
DC_PRT
HDMI_5VPWR
HDMI_RST
OVF1
BT_RTS
PCONT_HDMI
DIR_ZERO
DIR_DO
DIR_XSTATE
DIR_ER
HDMI_INT
HDMI_SCL
DSP_TXD
DSP_INT
SPI_MISO
SF_HOLD
PCONT_BT
DSP_RXD
DIR_RST
HDMI_NLPCM
DIR_DI
DSP_CS
HDMI_MUTE
DSP_RESET
DIR_CLK
SPI_CLK
SPI_MOSI
S_MUTE
BT_RESET
PCONT_DRIVER
NS_INIT
DAMP_SCL
DIR_CE
SEL_HDMI
ASEL_BT
SW3.3V
BT_CTS
BR24G16FJ-3GTE2
IC1001
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
8MHz
X1001
3.3k
R1
162
9P
CN1006
1
GND
2
TXD1
3
RTS1
4
3.3V
5
CLK1
6
RXD1
7
CNVSS
8
RESET
9
GND
100
R1150
100
R1151
CL1056
CL1055
0.1
C1057
0.1
C1056
2.2k
R1135
2.2k
R1136
100
R1139
10k
R1131
CL1071
CL1016
CL1012
CL1013
CL1008
CL1009
CL1010
CL101
1
CL1006
CL1004
R1140 100
100
R1054
100
R1053
CL1002
CL1003
PCONT_DSP
DAMP_SDA
BT_MUTE
BT_TXD
BT_RXD
CEC
HDMI_SDA
SPI_MISO
SPI_CLK
SPI_MOSI
DC_PRT
NS_INIT
SD
DIR_DI
DIR_CLK
DIR_CE
DIR_RST
DIR_XSTATE
DIR_ER
UCOM_RESET
CNVSS
SCO/CLK1
BT_CTS
ASEL_BT
BT_RESET
BT_TXD
BT_RXD
BT_CTS
BT_MUTE
BT_RESET
ASEL_BT
DIR_DO
BT_RTS
BT_RXD
DSP_RXD
DSP_TXD
HDMI_SCL
HDMI_SDA
HDMI_RST
CEC
PCONT_HDMI
HDMI_INT
OVF1
HDMI_5VPWR
HDMI_NLPCM
TXD1
RXD1
SCO/CLK1
DIR_CE
DIR_XST
A
TE
DIR_RST
S_MUTE
NS_INIT
PCONT_HDMI
BT_MUTE
DIR_CLK
DIR_DI
DAMP_SDA
DSP_INT
DSP_RESET
DSP_CS
SPI_MISO
SPI_MOSI
SPI_CLK
SEL_HDMI
DSP_RXD
DSP_TXD
SD
DAMP_SCL
HDMI_SDA
DAMP_PDN
DAMP_PDN
FL_DA
TA
RST_FL
TXD1
RTS1
WL_SDA
WL_SCL
DAMP_SDA
FL_CLK
FL_CS
SEL_HDMI
WL_INT
BT_LED
NFC_RFDET
RXD1
DIR_ZERO
PCONT_DRIVER
NFC_SCL
NFC_SDA
CEC
DIR_ER
DIR_DO
CNVSS
PCONT_BT
BT_TXD
WL_RST
WL_DET
SIRCS
SF_HOLD
DSP_RESET
DSP_CS
RTS1
BT_RTS
P_CONT1
DC_PR
T
PW_V
ACS_DET
DSP_INT
SIRCS2
KEY2
KEY1
CP_RESET
CP_CLK
NFC_IRQ
CP_DATA
S_MUTE
SF_HOLD
HDMI_RST
HDMI_INT
HDMI_5VPWR
HDMI_SCL
HDMI_NLPCM
UCOM_RESET
DIR_ZERO
PCONT_BT
DAMP_SCL
PCONT_DRIVER
AMP_OVF
KEY0
SYSTEM CONTROLLER
IC1002
EEPROM
IC1001
TRIAXIAL ACCELERATION
IC1012
6
8
7
10
11
13
14
15
12
9
MAIN
BOARD
(6/6)
>014S
MAIN BOARD (5/6)
(3/6)
BOARD
MAIN
>008S
(4/6)
BOARD
MAIN
>011S
(2/6)
BOARD
MAIN
>006S
(1/6)
BOARD
MAIN
>002S
16
(NC)
INVERTER
SENSOR
47k
(US, CND)
(CT381)
(CT380)
22k (US, CND)
4.7k (Except US, CND)
R1004
10
11
12
13
14
15
G
16
H
17
I
18
F
1
C
J
D
6
E
K
L
2
B
3
A
4
5
7
8
9
(Except US, CND)
(Page 38)
(Page 39)
(Page 41)
(Page 40)
(Page 43)
Note 2: IC1012 on the MAIN board cannot replace with single. When
this part is damaged, replace the complete mounted board.
Note 1: When IC1002 on the MAIN board is replaced, refer to “NOTES ON THE WIRELESS
CONNECTION (LINK) AFTER REPAIRS ARE COMPLETE” on page 5.
Ver. 1.1
HT-CT380/CT381
HT-CT380/CT381
43
43
• See page 35 for Waveforms. • See page 48 for IC Block Diagrams.
5-12. SCHEMATIC DIAGRAM - MAIN Section (6/6) -
Note 1: When the KEY board is defective,
replace the complete mounted board.
13
12
3.3
3.3
0
3.3
4
3.3
4
3.3
2.5
3.3
8.7
15.6
4
5
10.4
15.6
5.8
3.3
0
2
0.3
3.3
15.6
11.6
3.5
6.2
1.1
0.7
3.3
0.7
0
4
3.3
2.5
4
3.3
3.5
3.3
1
0.7
0
1
C1033
0.1
C1026
0.1
C1021
0.022
C1042
C1013
0.022
0.1
C1040
0.001
C1031
C1011
0.01
100p
C1030
100p
C1029
0.1
C1043
1
C1045
22
C1037
0.1
C1041
1
C1034
C1027
0.1
C1018
0.1
0.22
C1009
10
C1008
0.01
C1010
22
C1038
C1016
0.1
10
C1039
0.001
C1061
25V
47
C1044
4V
220
C1036
C1035
10V
100
10V
100
C1032
9P
CN1005
/TH_DET
1
PVDD_28V
2
PVDD_28V
3
PVDD_28V
4
PVDD_GND
5
PVDD_GND
6
PVDD_GND
7
UN12V
8
AGND
9
24P
CN1003
GND
1
LED2_TX/WCK0_RX
2
LED1_TX/BCK0_RX
3
NC
4
NC
5
GPIO
6
GPIO
7
DIN_TX
8
GPIO0_10/MCK_OUT_RX
9
GPIO2
10
LRCK1_TX
11
BCK1_TX
12
GND
13
GPIO3
14
SDA_MRX
15
SCL_MRX
16
SDA_STX
17
SCL_STX
18
RESETN
19
INT
20
Link state
21
DOUT_RX
22
+4V
23
+4V
24
DA2J10100L
D1009
CRH02(T5R,SONY,XM)
D1008
DA2J10100L
D1005
FB1003
FB1009
FB1007
FB1010
FB1005
FB1001
FB1008
FB1012
FB1006
FB1004
BD00IC0WEFJ-E2
IC1008
1
OUT
2
FB
3
GND
4
NC
5
EN
6
NC
7
NC
8
IN
PST8429UL
IC1003
1
GND
2
VDD
3
Cd
4
OUT
JL1077
JL1076
JL1075
JL1030
JL1080
JL1082
JL1037
JL1029
JL1014
JL1060
JL1054
JL1036
JL1059
JL1016
JL1063
JL1062
JL1061
JL1052
JL1033
JL1079
JL1031
JL1032
JL1081
JL1024
JL1056
JL1053
JL1078
JL1058
JL1057
JL1034
JL1055
JL1038
JL1083
2.2uH
L1002
S
SSM3J325F,LSOYF
Q1007
2PC4081R-115
Q1002
LTC014EUBFS8TL
Q1008
R1045
100k
R1128
0
47k
R1075
100
R1092
100
R1093
100
R1088
100
R1089
100
R1090
R1046
10k
R1119
22k
10k
R1115
3.3k
R1114
R1120
22k
3.3k
R1117
3.3k
R1121
10k
R1118
470
R1116
R1099
100
100
R1091
100k
R1071
R1125 100
R1124 100
R1123 100
1k
R1126
10k
R1073
47k
R1072
R1127
1k
33k
R1076
47k
R1070
22k
R1074
WL_BCK
WL_LRCK
WL_D3CSW
P_GND
DGND
AMP_3.3V
PVDD_28V
E12V
E4V
MM3411A33URE
IC1013
CE
1
GND
2
VOUT
3
VDD
4
R1154N001C-TR-FE
IC1011
VOUT
1
GND
2
VDD
3
ADJ
4
CE
5
RT8295ALZSP
IC1009
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
MFI337S3959
IC1010
GND
1
SDA
2
NC_3
3
NC_4
4
NC_5
5
SCL
6
RST
7
VCC
8
R1167
0
4P
CN1009
1
DGND
2
KEY0
3
KEY1
4
KEY2
18P
CN1002
DGND
1
SIRCS2
2
E4V
3
SIRCS
4
DGND
5
FL_CLK
6
FL_CS
7
FL_DATA
8
DD12V
9
SW6V
10
FL_GND
11
FL_GND
12
RST_FL
13
NFC_SCL
14
DGND
15
NFC_SDA
16
NFC_IRQ
17
NFC_RFDET
18
JL1021
100
R1101
JL1019
100
R1106
JL1018
100
R1104
JL1023
100
R1102
JL1084
R1172
0
R1174
0
R1175
0
R1176
0
R1177
0
R1178
0
R1179
0
R1180
0
R1182
0
R1183
0
R1184
0
R1185
0
1k
R1160
1
C1059
1
C1060
0.1
C1046
100
R1132
100
R1134
100
R1133
100
R1130
2.2k
R1145
10k
R1144
3.3k
R1143
1
C1054
1
C1055
CL1014
CL1073
CL1074
CL1072
CL1075
CL1077
CL1078
CL1079
CL1080
CL1076
CL1081
CL1082
LTC023JUBFS8TL
Q1009
100
R1165
CL-194S-HB8SP-SD-T
D1011
CL1063
CL1067
CL1066
CL1068
0.022
C3735
10
C3731
10
C3730
0.1
C3733
0.1
C3736
10
C3732
0.1
C3734
FB3504
FB3502
JL3536
2.2uH
L3502
1k
R3729
15k
R3725
15k
R3726
4.7k
R3727
R3728
1k
RT8293ALZSP
IC3705
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
DGND
DD6V
DGND
E4V
DGND
DD6V
10uH
L1003
10uH
L3501
WL_RST
WL_SDA
WL_SCL
WL_DET
WL_INT
CP_DA
TA
CP_CLK
CP_RESET
PW_V
ACS_DET
FL_CLK
FL_CS
FL_DATA
RST_FL
KEY0
KEY1
KEY2
BT_LED
NFC_SCL
NFC_SDA
NFC_IRQ
NFC_RFDET
SIRCS2
SIRCS
P_CONT1
10
6
8
11
7
12
13
14
15
9
MFI
IC1010
+3.3V REGULATOR
IC1013
+12V REGULATOR
IC1011
DC/DC CONVERTER
IC1009
+3.3V REGULATOR
IC1008
MAIN BOARD (6/6)
VOLTAGE DETECT
IC1003
MAIN
BOARD
(5/6)
>014S
16
DC/DC CONVERTER
IC3705
CN902
BOARD
POWER
>02S
(3/6)
>010S
MAIN
BOARD
(CHASSIS)
CAM103
CAM101
(CHASSIS)
(3/6)
>007S
MAIN
BOARD
(4/6)
>013S
MAIN
BOARD
>012S
MAIN
BOARD
(4/6)
(1/6)
>003S
MAIN
BOARD
(2/6)
>004S
MAIN
BOARD
KEY
BOARD
CN803
FFC3
BOARD
DISPLAY
>01S
LED DRIVE
Q1007, 1008
B+ SWITCH
RESET SWITCH
(SWA12-4V TX)
RF MODULATOR
FFC2
RF1
(CHASSIS)
CAM104
BLUETOOTH
INDICATOR
10
11
12
13
14
15
G
16
H
I
F
1
C
J
D
6
E
2
B
3
A
4
5
7
8
9
17
(Page 45)
(Page 39)
(Page 38)
(Page 41)
(Page 41)
(Page 40)
(Page 40)
(Page 47)
(Page 42)
Note 2: When the RF modulator (Ref. No. RF1) is replaced, refer to “NOTES ON THE WIRELESS
CONNECTION (LINK) AFTER REPAIRS ARE COMPLETE” on page 5.
Note 3: IC1009 and IC1010 on the MAIN board cannot replace with single.
When these parts are damaged, replace the complete mounted board
HT-CT380/CT381
HT-CT380/CT381
44
44
5-13. PRINTED WIRING BOARD - DISPLAY Board -
•
: Uses unleaded solder.
18
44
45
5
2
1
6
1
18
1
2
1
1
3
4
6
6
3
1
1
4
R801
R802
R803
R804
R805
R806
R807
R808
R810
R811
R812
R813
R814
R815
R816
R817
R818
R819
CN803
CN804
R820
C801
C808
C809
C810
C811
C812
C813
C814
C815
C816
C817
C818
C819
C820
C821
C822
C823
C824
C825
D802
D803
D804
D805
D806
D807
3
1
IC801
IC803
Q802
L801
ND801
FLUORESCENT INDICATOR TUBE
JL801
JL805
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
JL836
DISPLAY BOARD
(COMPONENT SIDE)
DISPLAY BOARD
(CONDUCTOR SIDE)
1-894-320-
11
(11)
1-894-320-
11
(11)
K
A
K
A
A
A
K
K
MAIN
BOARD
CN1002
>01P
FFC3
FFC4
NFC1
NFC MODULE
(RC-S730 (WW))
K/A
K
A
K/A
K
A
A
B
C
D
E
1
2
3
4
5
6
7
(Page 36)
Click on the first or last page to see other HT-CT380 / HT-CT381 / SA-CT380 / SA-CT381 service manuals if exist.