TCL LCD20B66-BE1 Schematic
5
4
3
2
1
J12
1
2
3
4
5
6
7
8
9
10
D D
CVBS2
CVBS2
R104 NC
GND
GND
CVBS1
CVBS1
R106 NC
GND
GND
SVIDEO_C
SVIDEO_C
R109 NC
GND GND
C C
SVIDEO_Y
TV_IN
B B
GND
SVIDEO_Y
R111 75R 1%
GND
TV_IN
R113 NC
GND GND
GND
DECRIN DEC_VS
DECGIN DEC_HS
DECBIN
DEC_FB
R132 2K2
R133 2K2
R134 2K2
R131 2K2
CON10
R103
L30 2.7uH
120
C119
4.7pF
R105
120
C126
4.7pF
R108
C140
4.7pF
R110
C147
4.7pF
R112
C157
4.7pF
15pF
GND
C120
330pF
GND
L34 2.7uH
C127
330pF
GND
L35 2.7uH
120
L36 2.7uH
120
GNDGND
L37 2.7uH
120
+5V
L38
33R FB
C167 0.1uF
GND
R123 2K2
R125 2K2
R126 2K2
R128 1K5
C169
C171
15pF
GND
GND
C170
15pF
GND
A A
C141
330pF
C148
330pF
C158
330pF
GND
L46 2.7uH
R130
6K8
C172 6.8nF
C174 68nF
GND
DECBIN
DECGIN
DECRIN
DEC_FB
FOR TELETEXT
L49 2.7uH
SCART_R
SCART_R
L47 2.7uH
L51 2.7uH
SCART_G
L50 2.7uH
SCART_B
R44
NC
SCART_CVBS/Y
4
SEN
18
RED
2
GREEN
3
BLUE
17
BOX
9
LPF
8
CSYNC
C173 0.1uF
DECODER_VS
DECODER_HS
R99 100R
R100 100R
R107
0
GND
SCART_G
SCART_B
12
VIDEO
VDD
VIN
HIN
SDA
SCL
SDO
RREF
SMS
I2C SEL
VSSA
11
C142
330pF
GND
GND
U16
Z86229
7
13
5
14
15
16
10
6
1
CVBS_OUT
C123 0.1uF
C225 0.1uF
C128 0.1uF
C130 0.1uF
C144 0.1uF
C145 0.1uF
C146 0.1uF
C149
330pF
C154 0.1uF
C155 0.1uF
C156
330pF
GND
C165 0.1uF
R119
C166 560pF
GND
MCSDA
MCSCL
GND
GND
GND
GND
C163 0.1uF
C164
330pF
470R
GND
R127 100R
R129 100R
R135
10K
C121
0.1uF
C224
330pF
C228
330pF
C229
330pF
VIDEO_OUT1
A_3.3V
C122
0.1uF
C226
330pF
GND
C227
330pF
GND
R121 100R
R122 100R
R124 100R
MCSDA
MCSCL
A_1.8V
GND
GND
DECODER_VS
DECODER_HS
33pF
10
11
12
13
14
15
16
17
18
19
20
VBI_INTR
C117
C118
33pF
1
VI_1_B
2
VI_1_C
3
CH1_A33GND
4
CH1_A33VDD
5
CH2_A33VDD
6
CH2_A33GND
7
VI_2_A
8
VI_2_B
9
VI_2_C
CH2_A18GND
CH2_A18VDD
A18VDD_REF
A18GND_REF
CH3_A18VDD
CH3_A18GND
VI_3_A
VI_3_B
VI_3_C
CH4_A33GND
CH4_A33VDD
14.318Mhz
12
80
VI_1_A
X2
R101 100K
DVDD
DGND
XTAL1
XTAL2
C-2/GPIO
FID/GPIO
C_3/GPIO
C_1/GPIO
C_0/GPIO
HS/CS/GPIO
PLL_A18VDD
PLL_A18GND
CH1_A18VDD
CH1_A18GND
VS/VBLK/GPIO
U15
TVP5146PFP
CH4_A33VDD
CH4_A33GND
VI_4_A
CH4_A18GND
CH4_A18VDD
NSUB
TMS
SCL
SDA
INTREQ
DVDD
21222324252627282930313233343536373839
DGND
R120
100R
R102 10K
GND
IOGND
C_5/GPIO
C_4/GPIO
C_7/GPIO/GREEN
PWDN
RESETB
FSS/GPIO
SWS1
C168 0.1uF
61626364656667686970717273747576777879
IOVDD
C_6/GPIO/RED
C_8/GPIO/BLUE
C_9/GPIO/FSO
DGND
IOGND
IOVDD
AVID/GPIO
GLCO/I2CA
IOVDD
IOGND
R115
10K
GND
CVBS2
CVBS1
SVIDEO_Y
TV_IN
R136
22K
R138
R139
33K
60
59
58
57
56
55
DVDD
54
Y_0
53
Y_1
52
Y_2
51
Y_3
50
Y_4
49
48
47
Y_5
46
Y_6
45
Y_7
44
Y_8
43
Y_9
42
DGND
41
DVDD
DATACLK
40
BC848B
1K
Q11
1
R140
1K
D_1.8V
D_3.3V
C129 0.1uF
C131 0.1uF
C132 0.1uF
C143
10P
GND
U17
1
1OE*
2
S1
3
1B4
4
1B3
5
1B2
6
1B1
7
1A
8 9
GND 2A
+5V
SN74CBT3253
GND GND
22R
R137
VIDEO_OUT1
2 3
2OE*
VCC
2B4
2B3
2B2
2B1
S0
RN7
22Rx4
1
2
3
4 5
RN8
1
2
3
4 5
22Rx4
16
15
14
13
12
11
10
DECBIN
DECGIN
DECRIN
DEC_FB
+5V
DECODER_VS
DECODER_HS
TP16
TP17
TP18
+3.3V_DVDD
L32
33R FB
C124
0.1uF
GND GND
L31 33R FB
L33 33R FB
C125
100uF/16V
10V
A_3.3VD_3.3V
D_3.3V A_3.3V
C137
C138
C139
0.1uF
0.1uF
0.1uF
C153
C152
C151
0.1uF
0.1uF
0.1uF
C162
C160
C161
0.1uF
0.1uF
0.1uF
DECCLK
C136
0.1uF
GNDGND
A_1.8V
C150
0.1uF
GND
D_1.8V
C159
0.1uF
C135
C134
C133
0.1uF
0.1uF
0.1uF
YUV0
8
YUV1
7
YUV2
6
YUV3
YUV4
8
YUV5
7
YUV6
6
YUV7
YUV[0..7]
R114 22R
GND
R118 100R
RET_OTHER
R116 100R
R117 100R
MCSDA
MCSCL
SWS0
GND
5
4
3
2
1
5
4
3
2
1
+12V
L12 33R FB
L14 33R FB
D D
C C
C79
C78
C80
0.1uF
470uF/25V
100uF/16V
+5V
L24
33R FB
+5V
L26
33R FB
B B
U9
LM2596S-5.0
1
VIN
VOUT
GND
32456
ADJONTAB
C81
0.1uF
+5V +3.3V_DVDD
L21
33R FB
C95
100uF/16V
GND
C106
C105
0.1uF
100uF/16V
GND
D12
D11
1N4001
1N4001
C112
C111
0.1uF
D9
IN5820
1 2
lt1084-3.3V
U10
TAB
3 2
VIN VOUT
GND/ADJ
1
GND
LT1117-3.3V
U12
3 2
VIN VOUT
GND/ADJ
Sot223
1
GND
U13
LT1117-1.8V
3 2
VIN VOUT
GND/ADJ
Sot223
1
L15
33uH
C82
C83
330uF/16V
330uF/16V
4
GND
4
TAB
4
TAB
100uF/16V
GND
GND
31ohm at 100Mhz Rated Currrent
>=2A
L13 33R FB
L16 33R FB
L17 33R FB
C84
L18 33R FB
0.1uF
L19 33R FB
L20 33R FB
40mA
C94
C93
100uF/16V
0.1uF
10V
GND
C103
100uF/16V
0.1uF
GND
GND
C110
C109
100uF/16V
0.1uF
GND GND
R96
470uF/25V
100
RELA1
4
+12V
C91
Jidian1
C92
0.1u
GNDGND
U11
KIA278R09
VOUT
GND
C97
To-223
324
100uF/16V
10V
GNDGND
BC847c
Q10
C77
J11
0.1u
1
2
GND
D10
C90
1N4148
0.1u
123
GND
1
Vin
SW
R97
10k
R98
1
2 3
C100
GND
0.1uF
CONTROL
+12V
L22
33R FB
C98
C99
0.1uF
100uF/16V
10V
2k2
POWER
GND
+5V
JP1
100uF/16V
C87
C86
C85
0.1uF
330uF/16V
POWER IN
4
3
C88
2
1
C89
0.1u
100P
GND
GND
+9V
C96
0.1uF
+5V
+3.3V_AVDD
200mA
L23
33R FB
C104
+5V_MUX
C101
C102
0.1uF
22uF/16V
GND
GND
+3.3V_AVDD +3.3V_LBADC
L25
+1.8V_DVDD
CVDD:300mA
AVDD:60mA
33R FB
C108
22uF/16V
GND GND
C107
0.1uF
C114
100uF/16V
+1.8V_DEC
A_1.8V
L28
33R FB
D_1.8V
L29
33R FB
GND
2
1
+3.3V_AVDD
L27
33R FB
C115
100uF/16V
GND
A A
5
U14
LT1117-1.8V
4
TAB
3 2
VIN VOUT
GND/ADJ
Sot223
C116
0.1uF
1
C113
0.1uF
GND
GND
4
3
5
D D
4
3
2
1
PANEL_POWER PANEL_POWER
LV_E[0..9]
C C
LV_O[0..9]
PD[20..23]
B B
DENSHT-5,6
DHSSHT-5,6
DVSSHT-5,6
DCLKSHT-5,6
DEN
DHS
DVS
DCLK
LV_E9
8
22Rx4
22Rx4
22Rx4
7
6
5 4
8
7
RN1
6
5 4
8
7
6
5 4
8
7
6
5 4
8
7
6
5 4
8
7
6
5 4
1
2
3
RN222Rx4
1
2
3
1
2
3
RN3
1
2
3
RN422Rx4
1
2
3
RN5
1
2
3
RN622Rx4
LV_E8
LV_E7
LV_E6 ER3
LV_E5
LV_E4
LV_E3
LV_E2
LV_E1
LV_E0
LV_O9
LV_O8
LV_O7
LV_O6
LV_O5
LV_O4
LV_O3
LV_O2
LV_O1
LV_O0
PD20
PD21
PD22
PD23
R92 22R
R93 22R
R94 22R
R95 22R
C76
47PF
ER0
ER1
ER2
ER4
ER5
ER6
ER7
EG0
EG1
EG2
EG3
EG4
EG5
EG6
EG7
EB0
EB1
EB2
EB3
EB4
EB5
EB6
EB7
DE
HS
VS
CLK
ER[0..7] SHT-6
EG[0..7] SHT-6
EB[0..7] SHT-6
J10
1
2
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
87089-40
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
CLK
VS
EB6
EB2
EB0 EB1
EG6
EG4
EG2
EG0
ER6
ER4
ER2
ER0
GNDGND
DE
HS
EB7
EB5EB4
EB3
EG7
EG5
EG3
EG1
ER7
ER5
ER3
ER1
GND
A A
5
4
3
2
1
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