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
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
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
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
5
D D
C C
PPWR5
B B
PWM0
Panel Power Voltage Selection
PPWR
R91 4K7 C223
R82 1K
R860R88
+5V
R89
47K
R90
1K
3
Q9
1
MMBT3904L
2
GND
C74
0.1uF
GND
+12V
+5V+3.3V_DVDD
R87
0
0
C75
22uF/16V
GND
1
U8
1
S1
2
G1
3
S2
4
G2
SI9953ADY
Panel Power Switch
+5V
R79
2K
R80 470R
3
Q7 MMBT3904L
2
GND
D1 D1 D2 D2
4
BKLT_ADJ
C72
C73
22uF/16V
0.1uF
GND
C56
0.1uF
GND GND
PANEL_POWER
0.1uF
F1
8 7
33R FB
6 5
+12V
L6
31R FBL831R FBL731R FB
C71
C70
0.1uF
0.1uF
GND
LV_O[0..9]
LV_E[0..9]
3
Backlight Inverter Connector
J9
1 2 3 4
BKLT_ENBKLT_EN
5 6 7
CON7
L10
L11
L9
31R FB
31R FB
31R FB
GND
R81 0R
4k7
GND
R85 0R
TXO0-
LV_O0 TXO0-EB3
TXO0+
TXO1-
LV_O2 LV_O3 EB0
TXO1+
TXO2-
LV_O4 EG7 LV_O5 EG6
TXO2+
TXOC-
LV_O6 EG5 LV_O7 EG4
TXOC+
TXO3-
LV_O8 EG3 LV_O9 EG2
TXO3+
TXE0+
TXE1-
TXE1+
TXE2-
TXE2+
TXEC-
TXEC+
+5V
3
2
GND
LVDS test points right on the trace to avoid extra length
EB2
EB1
LV_E0 EG1 LV_E1 EG0
LV_E2 ER7 LV_E3 ER6
LV_E4 ER5 LV_E5 ER4
LV_E6 ER3 LV_E7 ER2
R78
10K
MMBT3904L
2
PBIAS
R84 1KR83
1
Q8
PBIAS 5
TXO0+LV_O1 TXO1­TXO1+ TXO2­TXO2+
TXOC­TXOC+ TXO3­TXO3+ TXE0­TXE0+
TXE1­TXE1+
TXE2­TXE2+ TXEC­TXEC+ TXE3­TXE3+
PANEL_POWER
TP15
GND
CN3
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
DF14A-30P-1.25H
LVDS Output Connector
1
TXE3-
LV_E8 ER1 LV_E9 ER0
TXE3+
A A
5
4
3
2
1
5
D D
Keypad INTERFACE
C C
IR REMOTE SENSOR INTERFACE
B B
J7
+5V
1 2
GND
3 4 5
CON5
+5V
R75
10K
A A
C64
220pF
GND
4
MCSCL MCSDA
LED TV_IN
IR_IN
C66
220pF
GND
ADC_IN1
1x5x2.0mm
3
GPIO9/SCL GPIO10/SDA
CON15
J5
1 2 3 4 5 6 7 8
CON8
CON5
2
NV RAM INTERFACE
+5V
R77
R76
C65
10K
10K
J3
CVBS2
1 2
CVBS1
3 4
SVIDEO_Y
5 6
SVIDEO_C
7
+9V
8 9
SCART_R
10
11
SCART_G
12
13
SCART_B
14
15
GND
MCSCL MCSDA
TUNER_L
TUNER_R
GND
+9V
J8
1 2 3 4 5
C67
0.1uF
U7
0.1uF
8 7 6
GND GND
CVBS2
CVBS1
SVIDEO_Y
SVIDEO_C
SCART_R
SCART_G
SCART_B
+5V
+12V
C68
C69
0.1uF
0.1uF
VCC WP SCK
24LC16B
CON5
A0 A1 A2
VSSSI
J4
1 2 3 4 5
J6
CON6
1 2 3 45
SCART_FB1 SCART_FB2
GND
EXTERAL AV BOARD INTERFACE
1 2 3 4 5 6
AV_L1
AV_R1 AV_L2
AV_R2
SCART_FB1 SCART_FB2 POWER RET_OTHER
1
5
4
3
2
1
+3.3V_AVDD
L2
33R FB
D D
+1.8V_DVDD
33R FB
L5
33R FB
C C
RMADDR[6:0]
RMADDR[12:7] RMADDR[14:13]
RMADDR15
RMADDR16
RMADDR17
B B
HSYNC3
A A
5
3.3V_AVDD
C18
22uF/16V
GND
L4
BootStrap Signals
For I2C address [6:0] to JTAG bridge Host I/F, to determine device address.
User_Bits[5:0] for configuration setting
OP_MODE[1:0]: 00 = Normal op. UART in 186 on system pins. 01 = I2C to JTAG bridge. 10 = JTAG port, 5 wires 11 = External parallel control bus using ROM Addr/Data
SPI_EN: 0 = parallel ROM I/F. 1 = SPI serial ROM and Cache control
Initial state of OCM ROM: 0 = internal ROM on, and mapped to top 32K of OCM and OCM boot will be from internal ROM codes.
1 = Internal ROM off. The external ROM mapped to entire upper 512K of OCM address. OCM boot from external ROM code.
OSC_SEL: 0 = Xtal and internal oscillator. 1 = TTL oscillator (on TCLK pin)
C19
0.1uF
+3.3V_DVDD 3.3V_DVDD
L3
33R FB
CVDD_1.8
C38
22uF/16V
GND
AVDD_1.8
C48
22uF/16V
GND
VGAHS
5
Close to respective power Pins
C20
0.1uF
GND
C39
0.1uF
C49
0.1uF
C22
C21
0.1uF
0.1uF
Close to respective power Pins
C30
C29
0.1uF
22uF/16V
Close to respective power Pins
C40
C41
0.1uF
0.1uF
C50
0.1uF
3.3V_AVDD
U5
1
1
2
2
3
3
4
4
11
11
10
10
74LCX14
GND
C23
0.1uF
C31
0.1uF
C42
0.1uF
14
14
13 12
8 9
6 5
7
7
C24
C25
0.1uF
0.1uF
C33
C32
0.1uF
0.1uF
C43
0.1uF
Close to respective power Pins
C52
C51
0.1uF
0.1uF
13 12
VGAVS
8 9
6 5
C44
0.1uF
C26
0.1uF
C34
0.1uF
C45
0.1uF
C53
C54
0.1uF
0.1uF
VSYNC 3
4
C28
C27
0.1uF
0.1uF
Close to respective power Pins
C35
C36
C37
0.1uF
0.1uF
0.1uF
C46
C47
220pF
220pF
JTAG
14.318MHz
+5V
DEBUG I2C SEL
3.3V_AVDD
C59
X1
5pF
TCLK
XTAL
10KR54
RMADDR0
10KR55
RMADDR1
10KR57
RMADDR2
10KR58
RMADDR3
10KR60
RMADDR4
10KR61
RMADDR5
10KR62
RMADDR6
10KR63
RMADDR7
10KR64 10KR65
RMADDR9
10KR66
RMADDR10
10KR67
RMADDR11
10KR68
RMADDR12
10KR69
RMADDR13
10KR70
RMADDR14
10KR71
RMADDR15
10KR72
RMADDR16
10KR73
RMADDR17
C55
220pF
3.3V_AVDD
C58
5pF
BOOTSTRAP OPTIONS SELECT (NOT POPULATED SHOULD BE HARD WIRED)
4
RMADDR8
HOST_SDA/UART_DO HOST_SCL/UART_DI DDC_SCL_VGA
DDC_SDA_VGA
SW1 SW PUSHBUTTON
GND GND
T2
For_Update
1 2
C57
0.1uF
RMADDR17 RMADDR16 RMADDR15 RMADDR14 RMADDR13 RMADDR12 RMADDR11 RMADDR10 RMADDR9 RMADDR8 RMADDR7 RMADDR6 RMADDR5 RMADDR4 RMADDR3 RMADDR2 RMADDR1 RMADDR0
TP14 VP
R5110K
OR20R
OR10R
DDC_SCL_VGA3 DDC_SDA_VGA3 DDC_SCL_DVI3 DDC_SDA_DVI3
BLUE+3 BLUE-3 SOG_MCSS3 GREEN+3 GREEN-3 RED+3 RED-3
VGAHS VGAVS
RX2+3 RX2-3 RX1+3 RX1-3 RX0+3 RX0-3 RXC+3 RXC-3
+5V
30
29 28
25 23 26 27
10 11 12
32-Pin PLCC Socket
3
+5V
R5210K
GND
OR30R
OR40R
RMDATA[0..7]
R56 10K
R59 10K
U6
VCC
NC/A17
2
A16
3
A15
OE
A14
WE
A13
4
A12 A11 A10 A9 A8
DQ7
5
A7
DQ6
6
A6
DQ5
7
A5
DQ4
8
A4
DQ3
9
A3
DQ2
A2
DQ1
A1
DQ0
A0
1
NC
GND
AT49HF/F010-45JC
3
J1
1 2 3 4
RS232
DDC_SCL_VGA DDC_SDA_VGA DDC_SCL_DVI DDC_SDA_DVI
CE
3.3V_AVDD
GPROBE DEBUG PORT
TCLK XTAL
RESET
ADC_TEST
RX2+ RX2­RX1+ RX1­RX0+ RX0­RXC+ RXC-
3.3V_AVDD
+5V
32
GND 24 31
22
RMDATA7
21
RMDATA6
20
RMDATA5
19
RMDATA4
18
RMDATA3
17
RMDATA2
15
RMDATA1
14
RMDATA0
13
16
RMADDR17 RMADDR16 RMADDR15 RMADDR14 RMADDR13 RMADDR12 RMADDR11 RMADDR10 RMADDR9 RMADDR8 RMADDR7 RMADDR6 RMADDR5 RMADDR4 RMADDR3 RMADDR2 RMADDR1 RMADDR0
RMDATA7 RMDATA6 RMDATA5 RMDATA4 RMDATA3 RMDATA2 RMDATA1 RMDATA0
C62
0.1uF
GND
3.3V_DVDD
U4
AVDD_OUT_LV_E_33
24
AVDD_OUT_LV_E_33
26
AVDD_LV_33
27
AVDD_OUT_LV_O_33
40
AVDD_OUT_LV_O_33
113
AVDD_IMB_33
120
AVDD_RX2_33
125
AVDD_RX1_33
130
AVDD_RX0_33
134
AVDD_RXC_33
141
AVDD_BLUE_33
145
AVDD_GREEN_33
150
AVDD_RED_33
154
AVDD_ADC_33
172
LBADC_VDD_33
171
AVDD_RPLL_33
12
AVSS_OUT_LV_E
23
AVSS_OUT_LV_E AVSS_LV
28
AVSS_OUT_LV_O
39
AVSS_OUT_LV_O
115
AGND_IMB
117
AGND_RX2
122
AGND_RX1
127
AGND_RX0
131
AGND_RXC
144
AGND_BLUE
149
AGND_GREEN
153
AGND_RED
156
AGND_ADC
168
AGND_RPLL
177
LBADC_GND
136
GND_RXPLL
GND
170
TCLK
169
XTAL
71
HOST_SCL/UART_DI
72
HOST_SDA/UART_DO
77
DDC_SCL_VGA
78
DDC_SDA_VGA
79
DDC_SCL_DVI
80
DDC_SDA_DVI
178
RESETn
142
BLUE+
143
BLUE-
146
SOG_MCSS
147
GREEN+
148
GREEN-
151
RED+
152
RED-
181
HSYNC
182
VSYNC
TP10
155
ADC_TEST
118
RX2+
119
RX2-
123
RX1+
124
RX1-
128
RX0+
129
RX0-
132
RXC+
133
RXC-
TP11
138
R53 250/1%
CLKOUT
114
REXT
183
ROM_ADDR17
184
ROM_ADDR16
185
ROM_ADDR15
186
ROM_ADDR14
187
ROM_ADDR13
188
ROM_ADDR12
189
ROM_ADDR11
192
ROM_ADDR10
193
ROM_ADDR9
194
ROM_ADDR8
195
ROM_ADDR7
196
ROM_ADDR6
197
ROM_ADDR5
198
ROM_ADDR4
199
ROM_ADDR3
200
ROM_ADDR2
201
ROM_ADDR1
202
ROM_ADDR0
203
ROM_DATA7
204
ROM_DATA6
207
ROM_DATA5
208
ROM_DATA4
1
ROM_DATA3
2
ROM_DATA2
3
ROM_DATA1
4
ROM_DATA0
ROM_OEn
5
ROM_OEn
ROM_WEn
6
ROM_WEn
ROM_CSn
7
ROM_CSn
gm5221
PQFP-208
SOCKET: IC51-2084-1052
R74
10K
GND
RMDATA[0..7]
Route (LBADC_IN1, LBADC_RET) and (LBADC_IN2, LBADC_RET) as differential tracks close to each other and ground the return track of each pair very close to the 5221 and ground pin
3.3V_DVDD
5073190
RVDD_33
3.3V_A
AGND
VDATA7/GPIO16
VDATA6/GPIO17
VDATA5/GPIO18
VDATA4/GPIO19
VDATA3/GPIO20
102
103
106
107
108
109
YUV2
YUV6
YUV7
YUV5
YUV4
YUV3
2
AVDD_1.8
205
1669417596
116
12125126
13711164
95
RVDD_33
RVDD_33
RVDD_33
RVDD_33
VDD_RX1_18
VDD_RX0_18
VDD_RX2_18
VDD_RPLL_18
VDD1_ADC_18
VDD_RXPLL_18
VDATA2/GPIO21
YUV1
NC
VDATA1/GPIO22
VDATA0/GPIO23
VCLKNCNCNCNCNCNCNCNCNCNC
54
110
111
1125253
C63
8P2
YUV0
GND
DECCLK
DECCLK
YUV[0..7]
YUV[0..7]
2
CVDD_1.8
86
CVDD_18
CVDD_18
CVDD_18
CH3P_LV_E(PD0/ER0) CH3N_LV_E(PD1/ER1) CLKP_LV_E(PD2/ER2) CLKN_LV_E(PD3/ER3) CH2P_LV_E(PD4/ER4) CH2N_LV_E(PD5/ER5) CH1P_LV_E(PD6/ER6) CH1N_LV_E(PD7/ER7) CH0P_LV_E(PD8/EG0) CH0N_LV_E(PD9/EG1)
CH3P_LV_O(PD10/EG2) CH3N_LV_O(PD11/EG3) CLKP_LV_O(PD12/EG4) CLKN_LV_O(PD13/EG5) CH2P_LV_O(PD14/EG6) CH2N_LV_O(PD15/EG7) CH1P_LV_O(PD16/EB0) CH1N_LV_O(PD17/EB1) CH0P_LV_O(PD18/EB2) CH0N_LV_O(PD19/EB3)
GPIO8/IRQout
PWM0/GPIO11 PWM1/GPIO12 PWM2/GPIO13 PWM3/GPIO14
STI_TM1/GPIO15
VBUFC_RPLL
LBADC_RETURN
104
105
157
158
159
160
CVDD_1.8
139
CVDD_18
CVDD_18
CVDD_18
VCO_LV
PD20/EB4 PD21/EB5 PD22/EB6 PD23/EB7
PD24/OR0 PD25/OR1 PD26/OR2 PD27/OR3 PD28/OR4 PD29/OR5 PD30/OR6 PD31/OR7 PD32/OG0 PD33/OG1 PD37/OG5
GPIO7/IRQin
GPIO9/SCL
GPIO10/SDA
VBUFC_DVI
STI_TM2
CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS CRVSS
GND_RPLL
GND1_ADC
LBADC_IN1 LBADC_IN2 LBADC_IN3
161
162
1
179
CVDD_18
TP9
10
LV_E9
13
LV_E8
14
LV_E7
15
LV_E6
16
LV_E5
17
LV_E4
18
LV_E3
19
LV_E2
20
LV_E1
21
LV_E0
22
LV_O9
29
LV_O8
30
LV_O7
31
LV_O6
32
LV_O5
33
LV_O4
34
LV_O3
35
LV_O2
36
LV_O1
37
LV_O0
38
PD20
43
PD21
44
PD22
45
PD23
46
56 57 58 59 60 61 62 63 64 65 66
47
DEN
48
DHS
49
DVS
55
DCLK
67
PPWR
68
PBIAS
81
GPIO0
82
GPIO1
83
GPIO2
84
GPIO3
85
GPIO4
88
GPIO5
89
GPIO6
90 91 92 93
98 99 100 101
69
167
TP12
135
70 206 191 180 140 97 94 76 74 51 42 8 87 165 163
GND 173 174 175 176
LBADC_RET
GND
GPIO0 GPIO1 GPIO2 GPIO3
GPIO5 GPIO6
MCSCL MCSDA
PPWR PBIAS
C60
0.1uF
GND
LV_E[0..9] 7,8
LV_O[0..9] 7,8
PD[20..23] 8
DEN
DHS DVS DCLK
PPWR 7,8 PBIAS 7
SEL_RGB VGACON VBI_INTR LED DEC_PWN RET_OTHER POWER IR_IN SWS1 MCSCL MCSDA
PWM0
AMP_MUTE
SWS0
KEYBOARD INPUT TO LBW ADC
ADC_IN1 SCART_FB1 SCART_FB2
C61
0.1uF
1
DEN DHS DVS DCLK
MUX SEL,VGA CONNECTOR SIGNAL,VBI INTR, LED, AMP AND AUDIO DISABLE
I2C PWM OUPUT FOR AMP VOLUME, BL BRITNESS
5
DVI INPUT CONNECTOR
CN1
25
Shell
1
RX2-
2
RX2+
3
GND
4
RX4-
5
RX4+
SCL
SDA
VCCA0
SCL SDA
VGA_5V
VS
RX1-
RX1+
GND RX3-
RX3+
5V
GND
HP
RX0-
RX0+
GND RX5-
RX5+
GND
RXC+
RXC-
RED GRN
BLU
HS
GND
26
Shell
GND
DVI-I
BAT54C
D5
A1
C
5V_VGA
C2
0.1uF
81 7 6 5
GND
D D
C C
EDID VGA
U2
2
A1A2WP
3 4
GND
24AA02
GND
ANALOG DDC
B B
A A
+5V
A2
GND
GND
6 7 8
9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24
C1 C2 C3 C4 C5
DNP
R15
47K
P1
3 4
1 2
GND
GND2 SIG2
GND1 SIG1
COMPONENT
SIG3GND3
DVI_SCL DVI_SDA
RX1+IN
HOT_PLUG
+5V
1 2
GND
R16 2K7
BAV99
DVI_5V
D6
3
65
R1 10K
+5V
3
BAV99
1 2
GND
R17 100R
R18 100R
GND
FB1
21
FB2
21
FB3
21
+5V
D3
3
BAV99
1 2
GND
VGASCL VGASDA
D4
VGA_SCL
VGA_SDA
+5V
C220
0.1UF BAV99
1 2
GND GND
A-VS
A-PB
A-PR
A-Y
DVI_SCL
DVI_SDA
+5V
D7
3
3
R30 10K
GNDGND
YPrPB Video In
+5V
3
GND
GND
15
14
13
12
11
BAV99
1 2
R31 10K
BAV99
1 2
DB15 HD
D8
R23 20R
4
3
2
DVI test points right on the trace to avoid extra length
D1
R4 100R R6 100R
R12 10K
R13 0R
CN2
5 10 4 9 3 8 2 7 1 6
Near VGA pins
1%
1%
DVI_5V
EDID DVI
GND
GND
+5V
BAT54C
D2
A2
A1
5V_DV
C
R3
R2
2K7
2K7
U1
81
VCCA0
2
7
A1A2WP
3
6
SCL
4
5
GND
SDA
24AA02
GND
DIGITAL DDC
VGACON
R14 10K
VGA_5V
VGA RGB In
A-BLUE
A-GREEN
A-RED
R1982
R2082
R2182
GND
GND
GND
HSYNC 5
VSYNC 5 BLUE+ 5
A-Y
A-GREEN
A-PB
C11
10uF/16V
82
R32
GND
C15
10uF/16V
C17
10uF/16V
82
R49
GND
DVISCL DVISDA
C1
0.1uF
GND
+5V_MUX
SEL_RGB3
R24
Q1
22k
BC847c
12
1
2 3
R33
1k
10k
+5V_MUX
R42
Q4
22k
BC847c
1
12
2 3
R45
10k
GND
+5V_MUX
R47
Q6
22k
BC847c
1
12
2 3
R50
10k
R5 22R R7 22R
NOT TO BE MOUNTED
+5V
R8
R9
10K
33R FB
C16
A-BLUE
10K
+
C4
C5 0.01uF
+5V_MUX
10uF
GND
R26 22k
Q2
BC847c
1 2
1
10uF/16V
2 3
R35 10k
+5V_MUX
R41
Q3
22k
BC847c
1
R43
2 3
10k
GND
C13
82
R36
1 2
10uF/16V
Pr/R
R22 47R 1%
Y/G
R25 47R 1%
Pb/B
R28 47R 1%
A-PR
GND
C14
A-RED
R10 100R R11 100R
+5V_MUX
L1
U3
1
16
IN
VCC
15
2
EN
SA1
14
3
SD1
SA2
Y/G
4
DA
5
SB1
6
R29
GND
SB2
Pb/B
7 8
GND
R37
GND
1k
GND
SD2 DD SC1 SC2DCDB
PI5V330
13-PI5V33-0QB
Q5
2 3
BC847c
1
R48
13 12 11 10 9
+5V_MUX
GND
GND
Pr/R
R34
1k
GND
R46
22k
1 2
10uF/16V
10k
R3884.5 1%
GND GND GND
DVI For DVI Port
R3984.5 1%
R4084.5 1%
RX2- 5 RX2+ 5
RX1- 5 RX1+ 5
RX0- 5 RX0+ 5
RXC+ 5 RXC- 5
DDC_SCL_DVI 5 DDC_SDA_DVI 5
DDC_SCL_VGA 5 DDC_SDA_VGA 5
C3 0.01uF
C6 0.01uF C7 0.01uF
C8 0.01uF C9 0.01uF
C10 0.01uFR27 20R C12 0.01uF
1
DVI SIGNAL GND's at 2mm from the respective DVI
test points
MUXED RGB TO 5221ADC INPUT
SOG_MCSS 5
RED+ 5 RED- 5
GREEN+ 5 GREEN- 5
BLUE- 5
5
4
3
2
1
5
4
3
2
1
LCD20b66/be1 GM21 LCD TV
D D
CONTENTS
SCHEMATIC
01. Contents
02. Input
03. GM5221
04.SPI/RESET/KEYPAD
C C
05. LVDS_ Out
06. TTL_ Out
07. Power
08. VIDEO DECODER
09.AUDIO 9
10.TURE
11.CONTROL BOARD
B B
拟制:
SHEET
1
2
3
4
5
6
7
8
10 11
审批:
A A
5
4
3
2
1
5
D D
R141
TUNER_L
AV_L2
AV_L1
TP19
TP19
C C
AV_R1
AV_R2
TUNER_R
B B
MCSDA
MCSCL
2k
C175
2n
R142
2k
C176
2n
R144
2k
C177
2n
R146
PC_L
2k
C180
2n
R147
2k
PC_R
C181
2n
R150
2k
C184
R151
2k
C190
R153
2k
C197
C185
2n
2n
2n
0.1uF
C188
0.1uF
C191
0.1uF
C195
0.1uF
C199 4.7uF/NS
TP21
+
C201 22n
C203 2.2n
C206 100n
C209 4.7uF/NS
TP23
+
C212 1uF
C214 1uF
R161 100
4
1
IN1a
2
IN2a
3
IN3a
4
IN4a
5
MONa
6
SS FIL
7
TONE-Ha
8
TONE-La
9
LINEa
10
OUTa
11
CVa
12
CVb
13
SDA
14
SCL
15 16
GND V+
MONb
SR FIL
TONE-Hb
TONE-Lb
LINEb
OUTb
NJW1142
U19
IN1b
IN2b
IN3b
IN4b
AGC
CTH
CTL
Vref
30
29
28
27
26
25
24
23
22
21
20
19
18
17
C218 22uF/16V
C186
0.1uF
C189
0.1uF
C192
0.1uF
C196
0.1uF
C200
4.7uF/NS
+
C202 22n
C204 2.2n
C207 100n
C210
4.7uF/NS
+
C213 0.33uF
C215 1uF
C216 1uF
C217 1uFR160 100
+
TP22
TP24
L39 33R FB
C219
2n
3
TUNER_R
R152
+12V
1R 1/2W
+
C193 470u/16V
TUNER_R
+9V
L43 33R FB
L42 33R FB
L40 33R FB
L41 33R FB
GND
2
J14
J13
CON2
CON2
1
2
1
2
FOR LOUNDSPEAKER
+
C178
+
220uF/25V
C179
220uF/25v
R148
NC
C182
R149
2k
0.1uF
1
C183
2
2n
3
+
4
C187
5
2u2/16V
C198
0.1uF
R155
10k
C205
2n
C208 10u/16V
6
7
8
9
10 11
+
C194
2n
R154
2k
R156
NC
D13
A2
BAT54C
A1
U18
INR
SGND
SVRR
OUTR
PGND
OUTL
TPA1517
VCC
M/SW
INL
GND GND
R157
220
A1015
R159
1
Q13
2 3
BC847c
R163
100k
R162
10k
C
20
GND
19
GND
18
GND
17
GND
16
GND
15
GND
14
GND
13
GND
12
GND
D14
+
1N4148
C211
Q12
100u/16V
R158 10K
100
D15
1N4148
1
+12V
AMP_MUTE
A A
Title
<Title>
Size Document Number Rev
<Doc> <RevCode>
C
5
4
3
2
Date: Sheet
1
of
99Thursday, January 19, 2006
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