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HT-CT780
Ver. 1.1
5-13. SCHEMATIC DIAGRAM - MAIN Section (7/8) -
1
2
3
4
MAIN BOARD (7/8)
A
B
CN106
7P
JL104
SCK
7
JL101
MD2
6
JL105
SI
5
JL103
(NC)
SO
4
JL102
C
RST
3
JL107
3.3V
2
JL106
RB105
100
GND
1
SF_HOLD
SF_HOLD
DSP_INT
DSP_INT
DSP_RESET
DSP_RESET
DSP_CS
DSP_CS
SPI_MISO
R102
R101
D
SPI_MISO
4.7k
4.7k
SPI_MOSI
>016S
SPI_MOSI
SPI_CLK
SPI_CLK
MAIN
SEL_HDMI
BOARD
SEL_HDMI
HDMI_NLPCM
(5/8)
HDMI_NLPCM
(Page 42)
HDMI_MUTE
PCONT_DSP
SW_3.3V
DIR_XSTATE
E
DIR_XSTATE
DIR_ZERO
DIR_ZERO
BR24G16FJ-3GTE2
>003S
BUS3
MAIN
F
BOARD
(2/8)
(Page 39)
CL123
CL124
>007S
BUS3
MAIN
G
BOARD
(3/8)
(Page 40)
P_CONT1
>022S
PCONT_2
VACS_REQ
H
MAIN
BUS8
BOARD
(8/8)
(Page 45)
>014S
BUS7
MAIN
BT_3.3V
BOARD
ASEL_BT
(4/8)
SEL_HDMI
(Page 41)
I
RB107
100
BT_CTS
BT_RTS
BT_MUTE
BT_RXD
BT_TXD
DIR_ER
DIR_ER
BT_RESET
DIR_DO
>012S
DIR_DO
PCONT_BT
DIR_DI
J
DIR_DI
MAIN
DIR_CLK
BOARD
DIR_CLK
DIR_CE
RB108
RB751S40,115
(4/8)
DIR_CE
100
DIR_RST
(Page 41)
DIR_RST
K
R193
R194
2.2k
2.2k
IC104
MFI
IC104
MFI337S3959
5
4
R210
NC_5
NC_4
L
100
CL111
3.2
6
3
R217
SCL
NC_3
CL112
100
0
7
2
3.2
CP_DATA
RST
SDA
CL113
CL115
3.2
8
1
VCC
GND
C128
0.1
A_SENSOR_SCL
CP_RESET
R209
M
100
PCONT_DRIVER
PCONT_DRIVER
DC_PRT
DC_PRT
OVF1
OVF1
>019S
SD
SD
NS_INIT
N
MAIN
NS_INIT
DAMP_PDN
BOARD
DAMP_PDN
(6/8)
S_MUTE
(Page 43)
S_MUTE
DAMP_SDA
DAMP_SDA
DAMP_SCL
DAMP_SCL
O
HT-CT780
• See page 35 for Waveforms. • See page 50 for IC Block Diagrams. • See page 54 for IC Pin Function Description.
5
6
7
8
9
R150
0
R136
10k
C105
C107
4.7
0.1
CL102
3.4
CL101
0
Q101
LTC014EUBFS8TL
R133
D104
R135
R154
10k
CES520
47k
100
INVERTER
IC101
EEPROM
IC101
3.3
109
VCC
110
R130
CL103
TRSTX
10k
0
111
TCK
112
TDI
113
TMS
114
TDO
115
R104
CL104
FAN_CONT
100
3.3
116
EEPROM data in/out
3.3
117
EEPROM clock
R103
118
100
CL105
FAN_ON
3.2
119
PCONT1
R106 100
3.3
120
PCONT2
3.3
121
PW_VACS_DET
R107
122
100
NO USE
123
NO USE
C101
124
TEST_SDA
0.1
125
TEST_SCL
3.3
126
VCC
127
VSS
R108
100
0
128
ASEL0
0
129
SEL_HDMI
R109
100
PCONT_USB
0
130
PCONT_USB
0
131
MC_BT_RTS
0
132
MC_BT_CTS
R127
47k
3.2
133
BT_MUTE
R126 100k
3.2
134
MC_BT_TXD0
3.1
135
MC_BT_RXD0
R128 4.7k
3.2
136
BT_RST
3.2
137
PCONT_BT
R131 100k
138
CL152
NO USE (USB_EXT_PULLUP)
R129 10k
D102
0
139
R132
FLASH WRITE SEL
27k
3.5
140
CEC_TX_RX
3.3
141
VCC
R117
27
USB_DM
0
142
USB DM
R118
27
USB_DP
0
143
USB DP
144
VSS
C103
R116
0.1
100
C104
0.1
C102
0.1
R255
100
USB_FAULT
C106
C108
R141
4.7
0.1
47k
DIR_XSTATE
DIR_RST
DIR_DO
DIR_DI
DIR_CLK
DIR_ZERO
DIR_ER
R143 100
DIR_CE
R186
R134
R148
R125
3.3k
100k
100
10k
Note 1: When the KEY board is defective,
replace the complete mounted board.
10
11
12
13
14
R236
10k
R235
3.3k
R176
0 (AEP, UK)
2.2k (Except AEP, UK)
R153
R176
R180
C119
C109
C110
C115
C116
C114
10k
47k
0.1
0.1
0.1
0.1
4.7
0.1
R174
100
R177
4.7k
R181
R185
47k
100
R195
10
72
VSS
71
1.6
X1
70
1.6
X0
69
0
MD0
68
0
MD1
67
NO USE
66
NO USE
65
NO USE
64
NO USE
63
NO USE
62
3.3
HDMI_NLPCM
61
3.2
SPARTA_PCONT
60
3.3
5VPWR
59
0
R196
HDMI_IN1_RESET
58
3.3
HDMI_IN1_INT
57
3.3
AMP_OVF1
56
3.3
IC102
DRIVE_OCP (DIAG)
55
2.6
DAMP_SDAO
SYSTEM CONTROLLER
54
2.6
DAMP_SCLO
IC102
53
3.2
MB9BF328SPMC-GE1
DAMP_INIT
52
3.3
DAMP_PDN
51
3.2
PCONT_DRIVER
50
3.3
DC_DET
CL114
49
3.3
INITX(RESET)
48
NO USE (DRIVE_RST (EN))
CL132
47
3.3
DAMP_SOFT_MUTE
46
3.3
VCC
45
VSS
C117
4.7
44
1.1
C
43
3.3
CP_CLK
42
3.3
CP_DATA
41
0
CP_RESET
40
3.1
NFC CLK
39
3
NFC DATA
38
3.4
NFC_RFDET
37
3.3
VCC
C121
C120
0.1
3.3
RESET SWITCH
R184
10k
WL_RST
WL_SCL
WL_SDA
WL_INT
Q102
LTC014EUBFS8TL
C137
INVERTER
0
3.3
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.
44
44
15
16
17
18
4
3
2.4
15.5
ADJ
VDD
2
GND
5
1
3.3
11.7
CE
VOUT
IC110
+12V REGULATOR
IC110
R1154N001C-TR-FE
R241
2.2k
C151
C154
1
1
C113
R202
0.1
1k
RB104
100
WL_SDA
WL_SCL
WL_RST
WL_INT
FB101
C124
0.1
R208
0
C123
0.001
1k
R203
10k
X101
4MHz
C118
0.001
R187
RB103
2.2k
100
NFC_SCL
NFC_SDA
NFC_RFDET
SIRCS
Q103
LTC014EUBFS8TL
R239
INVERTER
100
NFC_IRQ
0
FL_CLK
3.3
HDMI_NLPCM
FL_CS
R189
100
FL_DATA
5VPWR
RGR0_RST
FB105
100
RGR0_INT
R190
10k
RB102
100
R191 4.7k
BT_LED
R197 2.2k
RST_FL
R198
2.2k
RB101
R192
10k
KEY0
KEY1
KEY2
JL128
C130
10
A_SENSOR_SCL
D105
CP_DATA
CRH02(T5R,SONY,XM)
CP_RESET
R199
2.2k
P_CONT1
R200
2.2k
R201
3.3k
C122
0.1
4.7
Q104
SSM3J325F,LSOYF
R214
R218
47k
10k
3.9
0
C126
0.1
R216
Q106
C134
47k
2PC4081R-115
0.22
0.3
D106
R215
C135
DA2J10100L
100k
0.01
R212
10k
Q104, 105
B+ SWITCH
IC106
0
3.2
VOLTAGE DETECT
IC106
Q105
PST8429UL
LTC014EUBFS8TL
3.3
3.9
1
GND
OUT
4
4.9
2.5
2
VDD
Cd
3
3.2
0.01
R221
R220
R222
C141
47k
22k
33k
0.022
C131
0.001
Note 3: IC102 and IC104 on the MAIN board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
19
20
21
22
>018S
WL_BCK
MAIN
WL_LRCK
(Page 42)
BOARD
WL_D3CSW
(5/8)
CN103
24P
1
GND
JL108
2
LED2_TX/WCK0_RX
JL109
3
LED1_TX/BCK0_RX
4
NC
5
NC
JL110
6
GPIO
JL111
7
GPIO
JL112
8
DIN_TX
JL113
9
GPIO0_10/MCK_OUT_RX
JL114
10
GPIO2
JL115
FFC2
11
LRCK1_TX
JL116
RF1
12
BCK1_TX
JL117
RF MODULATOR
(SWA12-4V TX)
13
GND
JL118
14
GPIO3
JL119
15
SDA_MRX
JL120
16
SCL_MRX
JL121
17
SDA_STX
JL122
18
SCL_STX
JL123
19
RESETN
JL124
20
INT
JL125
21
Link state
JL126
22
DOUT_RX
23
+4V
JL127
24
+4V
C142
C129
0.1
0.1
CN104
R111
18P
0
1
D_GND
JL129
2
NFC_SCL
JL130
3
NFC_SDA
JL131
4
NFC_IRQ
JL132
5
NFC_RFDET
C143
100p
JL133
CL133
6
E_4V
JL134
CL134
7
SIRCS
JL135
CL135
FFC3
8
D_GND
R231
100
JL136
CL136
9
FL_CLK
>01S
R232
100
JL137
CL137
10
FL_CS
R233
100
JL138
CL138
FL
11
FL_DATA
JL139
CL139
BOARD
12
DD_12V
CN803
JL140
CL140
(Page 47)
13
SW_6V
CL148
C145
R112
14
FL_GND
100p
0
JL148
15
FL_GND
JL141
CL141
16
BT_LED
JL143
CL143
17
RST_FL
JL147
CL147
18
SIRCS2
CN105
4P
1k
1
DGND
JL144
2
KEY0
KEY
JL145
BOARD
3
KEY1
JL146
4
KEY2
FB103
C146
0.1
PCONT_SPARTA
E_12V
C125
FB107
0.1
DD_6V
>023S
C140
MAIN
0.1
BOARD
(8/8)
D_GND
3.9
(Page 45)
C133
S
1
R211
100k
E_4V
D107
IC105
DA2J10100L
+3.3V REGULATOR
IC105
BD00IC0WEFJ-E2
R113
JL150
0
>020S
3.3
8
IN
OUT
1
AMP_3.3V
0.7
R224
7
NC
FB
2
D_GND
MAIN
470
BOARD
6
NC
GND
3
C139
(6/8)
220
5
EN
NC
4
4V
(Page 43)
R223
10k
C136
1
R219
3.3k
LN101
(CHASSIS)
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