Changhong LT2688 Schematic

D

D:\lzy\ \ls07\ \Phase5_2004_1018_1022\LS07_MPCB_PH5_CHN_for_MP_20041029.DDB设计文件 设计文件

C

B

A

03_TUNER
03_TUNER

IF_OUT
+34V
SCL_UOC
SDA_UOC
AGC

02_AV_PC_HD
02_AV_PC_HD

HD_AUD_LIN
PC_RIN
PC_GIN
PC_BIN
HD_AUD_RIN
PC_AUD_LIN
PC_AUD_RIN
PR_IN
PB_IN
HD_Y_IN
TV_IR
LED_RED
LED_GREEN
TV_KEY_DEC
SDA_UOC
SCL_UOC
PC_VS
PC_HS
HD_Y_IN
PB_IN
PR_IN
HD_PC_SW
SOGIN1
PC_RIN
PC_GIN
PC_BIN
PC_HS
PC_VS
PC_HSIN
PC_VSIN
HD_PC_SW
DVD_KEY_DEC
DVD_C2IN
DVD_Y2IN
DVD_AUD_LIN
DVD_AUD_RIN
SVIDEO_C1IN
SVIDEO_Y1IN
AV_CVBSIN
AV_AUD_LIN
AV_AUD_RIN
UPDATE_CON
VGA_SDA
DDC_SDA
DDC_SCL
VGA_SCL

10_VGA_UPDATE
10_VGA_UPDATE

UPDATE_CON
VGA_SCL
VGA_SDA
DDC_SDA
DDC_SCL
SCL_UOC
SDA_UOC

1 2 3 4 5 6

G_RIN
G_GIN
G_BIN

04_UOCIII TDA15063H
04_UOCIII TDA15063H

AV_CVBSIN
Y_OUT
U_OUT
V_OUT
TV_R
TV_G
TV_B
TV_HSYNC
SANDC
AGC
M_LOUT
M_ROUT
HP_LOUT
HP_ROUT
TV_IR
LED_GREEN
LED_RED
TV_KEY_DEC
IF_OUT
SDA_UOC
SCL_UOC
PC_AUD_LIN
V_IN
U_IN
Y_IN
HD_PC_SW
CSZ_MST
SDA_MST
SCL_MST
RST_MST
ASTB
SCL_DPF
AV_AUD_LIN
AV_AUD_RIN
HD_AUD_LIN
HD_AUD_RIN
SDA_DPF
PC_AUD_RIN
SCL_UOC
SDA_UOC
ON_PANEL
ON_BACKLITE
DVD_KEY_DEC
HP_IDENT
INT_MST
TV_DPF_SW
PWRON
DVD_C2IN
DVD_Y2IN
DVD_AUD_LIN
DVD_AUD_RIN
EN_DPF_DVD
MUTE
TV_VSYNC
SVIDEO_Y1IN
SVIDEO_C1IN

05_TV_DPF_MUX
05_TV_DPF_MUX

SANDC
V_IN
V_OUT
Y_IN
U_OUT
U_IN
Y_OUT
SDA_UOC
SCL_UOC
TV_HSYNC
TV_DPF_VSIN
TV_DPF_HSIN
TV_B
TV_R
TV_G
DPF_RIN
DPF_GIN
DPF_BIN
TV_DPF_SW
TV_DPF_SW
DPF_RIN
DPF_GIN
DPF_BIN
TV_VSYNC

TV_DPF_RIN
TV_DPF_GIN
TV_DPF_BIN

06_MST518
06_MST518

TV_DPF_HSIN
TV_DPF_VSIN
PC_HSIN
PC_VSIN
TV_DPF_BINM
TV_DPF_BIN
TV_DPF_GINM
TV_DPF_GIN
TV_DPF_RINM
TV_DPF_RIN
SOGIN1
G_RIN
G_GIN
G_BIN
G_RM
G_GM
G_BM
SDA_MST
SCL_MST
CSZ_MST
RST_MST
INT_MST
RB[0..7]
GB[0..7]
BB[0..7]
PCLK
PDEN
PHSYNC
PVSYNC
RX0+
RX0­RXCLK­RXCLK+
RX1­RX1+
RX2­RX2+
RX3­RX3+
TV_DPF_RINM
TV_DPF_GINM
TV_DPF_BINM
G_RM
G_GM
G_BM
SDA_MST
SCL_MST
CSZ_MST
RST_MST

08_Sound Amplifier
08_Sound Amplifier

HP_ROUT
HP_LOUT
HP_IDENT
M_LOUT
M_ROUT
ASTB
MUTE

07_Panel
07_Panel

BB[0..7]
PCLK
PHSYNC
RB[0..7]
PVSYNC
GB[0..7]
PDEN
RX0+
RX0­RXCLK­RXCLK+
RX1­RX1+
RX2­RX2+
RX3­RX3+

09_Power Supply
09_Power Supply

+34V
PWRON
ON_PANEL
ON_BACKLITE
EN_DPF_DVD
SDA_DPF
SCL_DPF

Title

Number RevisionSize

B

Date: 5-Apr-2005 Sheet of
File:

VLCD

LS07-CHN-LCDTV

1

Drawn By:

654321

D

C

B

A

Ver 5.0

D:\lzy\ \ls07\ \Phase5_2004_1018_1022\LS07_MPCB_PH5_CHN_for_MP_20041029.DDB设计文件 设计文件

1-788624-2/AMP

2

1

J1

D5

3

BAV99

6
1
11
7
2
12
8
3
13
9
4
14
10
5
15

16 17

VCC5

2

1

DDC_SCL

DDC_SDA

J5

5
4
3
2
1

CON5
J6

3
2
1

CON3
J7

3
2
1

CON3

PR_IN

PC_RIN

HD_Y_IN

PC_GIN

PB_IN

PC_BIN

HD_PC_SW

0: Select YPbPr
1: Select PC

D4
BAV99

3

V3_3D

V3_3D

V3_3D

2

1

VRIN

VGIN

VGA_SDA

VBIN

VGA_V

UPDATE_CON

VGA_SCL

FB5

PC_VS

ECBP2012M801T C12 220pF

C12,C13 option (open for better phase)

PC_HS

FB4

ECBP2012M801T

VGA_V

2

3

D7

BAV99

1

TV_IR

LED_GREEN

LED_RED

R29

47K

TV_KEY_DEC

R20

47K

DVD_KEY_DEC

2

S1A

3

S2A

5

S1B

6

S2B

14

S1C

13

S2C

11

S1D

10

S2D

1

IN

15

/EN

PI5V330A

D1

BAV99

U6

GND

VCC5

2

2

3

3

3

1

R22 1K

R21 10K

R23 1K

R24 2.2K

R41 Option

2

3

D8

BAV99

1

16

VCC

4

DA

7

DB

12

DC

9

DD

8

D2

BAV99

C13 33pF

R42

10K

J11

4
3
2

CON4

Use for WISP and WIC32

C120

0.1uF

D3

BAV99

1

ECBP2012M700T

ECBP2012M700T

ECBP2012M700T

R45

R43

15K

15K

SDA_UOC

R16

10

SCL_UOC1

ECB2012M800T VCC5A

FB38

C121
10uF16V

R152

100

C124 47nF
C122

100R153

R154 100

R155 390 C133 1nF

PC_VS

PC_HS

7
6

5

VCC5

FB3

FB2

FB1

U1

VCLK
SCL

SDA

24LC21A

47nF

47nFC123

C125

0.1uF

VGA_PWR

R1

75

VCC
NC1

NC2
NC3

GND

R2

C1
12pF

75

2 1

8

1
2
3

4

G_RIN
G_GIN
G_BIN

SOGIN1

C2
12pF

D6 BAV70

3

C20

0.1uF

VCC5

R3

75

C3
12pF

AV-1-3PKF

J3B

AV-1-3PKF

J3C

AV-1-3PKF

HD_PC_SW

PC_HS

PC_VS

13 U16D

PC_RIN

PC_GIN

PC_BIN

J3A

Y

ECBP2012M700T

4

PB

ECBP2012M700T

5

PR

6

74LVC126A

3 2

FB51

1

FB52

2

FB53

3

ECBP2012M700T

1112

J2

D-S-06

R219

1

4

75

R218

R217

75

75

14

C24

10uF16V

C21

10uF16V

C14

10uF16V

V3_3M

FB49 ECI2012M2R2KT
C6

270pF

FB57 ECI2012M2R2KT
C10

330pF

VCC5A

R178
22K

R56
10K

VCC5A

R179
22K

R48
10K

VCC5A

R180
22K

R26
10K

U16A

147

32

74LVC126A

U16B

65

74LVC126A

10 U16C

HD_Y_IN

PB_IN

PR_IN

89

74LVC126A

C7

270pF

C11

330pF

PC_HSIN

PC_VSIN

SVIDEO_Y1IN

R7

75

SVIDEO_C1IN

R8

75

J4A

AV-1-2PKA

R32

1

1K

4

J8

GCC02-0085

DVD Signal Input

J9

1
2
3
4
5
6
7
8

9
10
11
12

CON12

J21

1

2

3

4

5

6

7

CON7

4

R34
47K

R51 1K

R52

J20A

AV-1-3PKE

5

J20B

AV-1-3PKE

6

J20C

AV-1-3PKE

7

C15

100pF

1K

1

R10

2

R11

3

HD_AUD_LIN

R53
47K

R54
47K

FB21 ECI2012M2R2KT
C182

330pF

FB25 ECI2012M2R2KT
C184

270pF

FB58 ECI2012M2R2KT
C8

270pF

10K

R12
47K

10K

R13
47K

PC_AUD_LIN

C22
100pF

PC_AUD_RIN

C23
100pF

C183

330pF

C185

270pF

R25 10K

R27

10K

Title

B

Date: 5-Apr-2005 Sheet of
File:

C9

R9

270pF

75

C17
100pF

C18
100pF

J4B

AV-1-2PKA

2

3

5

R50

75

R55

75

R44

C135

47K

100pF

R46

C146

47K

100pF

LS07-CHN-CONNECTORS

Number RevisionSize

AV_AUD_LIN

AV_AUD_RIN

R33
1K

2

AV_CVBSIN

R35
47K

DVD_C2IN

DVD_Y2IN

DVD_AUD_LIN

DVD_AUD_RIN

C16
100pF

Drawn By:

HD_AUD_RIN

Ver 5.0

654321

D:\lzy\ \ls07\ \Phase5_2004_1018_1022\LS07_MPCB_PH5_CHN_for_MP_20041029.DDB设计文件 设计文件

D

A1 TAF5-C2IP1RW

12

PAD

13

PAD

14

PHILIPS

AGC1TU2ADD3SCL4SDA5+5V6+5V7NC8BTL9NC10IF-OUT

C

R60 100

R61 100

R112 10K

R113 10K

D10

IN4148

C239
22uF16V

0.1uF

C147

FB35 ECB2012M800T

C240
47uF16V

AGC

SCL_UOC

SDA_UOC

AGC

R111

68K

SCL_UOC

SDA_UOC

B

PAD

15

PAD

R105

4.7K

11

C204

10nF

R47
100

C241
47uF16V

VCC5A

C148

0.1uF

C242

0.1uF

IFGND

R41

3.3K

D11

uPC574

R109

0

R110
100

C244

4.7uF/50V

L2

ECI2012KR56KB

Q1
2SC388

L5

ECI2012K220T

C209

10nF

C221

10nF

C224
22nF

R49
10

100uF16V

C227

IF_OUT

+34V

ECI2012K220T

IFGND

VCC5A

FB32

D

C

B

A

Title

LS07-CHN-TUNER

Number RevisionSize

B

Date: 5-Apr-2005 Sheet of

1 2 3 4 5 6

File:

3

Drawn By:

A

Ver 5.0

D

D:\lzy\ \ls07\ \Phase5_2004_1018_1022\LS07_MPCB_PH5_CHN_for_MP_20041029.DDB设计文件 设计文件

C

B

A

FB50

AV_CVBSIN

DVD_Y2IN

SVIDEO_Y1IN

DVD_C2IN

SVIDEO_C1IN

PC_AUD_LIN
PC_AUD_RIN
DVD_AUD_LIN
DVD_AUD_RIN

HD_AUD_LIN
HD_AUD_RIN

AV_AUD_LIN
AV_AUD_RIN

C53

10uF16V

C86

1uF/50V

U2B

78

V_IN
U_IN
Y_IN

Y_OUT

R91 12K

C87

47uF16V

IFGND

R63 Option

UOC_VIFIN1

UOC_VIFIN2

UOC_SIF1

UOC_SIF2

C57 2.2uF
C245 2.2uF

VDD5A_1

R73 47K

C55 2.2uF

C56 2.2uF

R74 4.7K

C54

0.1uF

C88

6.8nF

C90

0.1uF

C26 0.1uF

C149 0.1uF

C4 0.1uF

C5 0.1uF

C61 2.2uF
C246 2.2uF

C58 220nF

C59 2.2uF

C60 2.2uF

TV_VSYNC

R76 39K

C89 330nF

R93 100K

R94 1K

C91 4.7uF

C92 3.3nF

C29 0.1uF

C30 0.1uF
C31 0.1uFR63 0

C32 0.1uF

C150 0.1uF

MUTE

IFGND

79
80

77

70
71

72
73

55
58
51
59
52

48
24

25
29
30

53
54
56
57
21
19

49
50

34
35
33

23
22
20

27
26

32
28

17
16

38

39
91
13

R3/Pr

G3/Y
B3/Pb

FBLIN

V/R2/Pr
U/B2/Pb
Y/G2/Y

YSYNC

CVBS2/Y2
CVBS3/Y3
CVBS4/Y4
C2/C3
C4

SVO/CVBSI
VIFIN1

VIFIN2
SIF1
SIF2

AUDIO2_INL
AUDIO2_INR
AUDIO3_INL
AUDIO3_INR
EWD/AVI
SECPLL

AUDIO4_INL
AUDIO4_INR

AUDIO5_INL
AUDIO5_INR
SSIF

VDRA
VDRB
DECBG

IREF
VSC

EHT
GNDIF

PH1LF
PH2LF

DECSDEM
QSSO

REFAD
VGUARD

UOUT/INSSW2

VOUT/SWO1

AUDOUTSL
AUDOUTSR

AUDIO_OUT_LSL

AUDIO_OUT_LSR
AUDIO_OUT_HPL

AUDIO_OUT_HPR

P00/I2SDI1/0

P01/I2SDO1
P02/I2SDO2

YOUT

CVBSO/PIP

ROUT

GOUT

BOUT

BCLIN

BLKIN

SVM

FBISO

HOUT

AGC

IFVO

FMRO
PLLIF

SIFAGC

AGC2SIF

INT0

P03/I2SCLK

P04/I2SWS

P10/INT1

P11/T0

P12/INT2

P13/T1
P14/RX
P15/TX

P16/SCL

P17/SDA

P20/TPWM
P21/PWM0
P22/PWM1
P23/PWM2
P24/PWM3
P25/PWM4

P30/ADC0
P31/ADC1
P32/ADC2
P33/ADC3

74
75
76

64
85

86
87

C33 4.7uF/50V

83

84
65
66

67

31
43
44

41

42

46

36
37

60
61
62

63
97

106
105
104
103
102

98
99
126

R233 100

107
127
128

R98 100

108

R99 100

109

R97

111

R100

112
113

R234

114

R96

122

R235 100

123

R236

115
116

R101

119

R238 100
R95 100

120

R67 100
R68 100
R69 100

R70 100
R71 27K

R66 2.7K

R72 680

R77 390

C62 1uF/50V

C63 1uF/50V

R227
R228

R80 100

R81 100
R82 100

R114
R229
R230
R231
R232 100

TDA15063H_2

T1

K7262D

R126 10K

R125
10K

1

SAW

2

3

IFGND

T2

1

SAW

2

3

IFGND

IF_OUT

R120

R118

1K

2.2K

VCC5A V1_8V2

FB43

IFGND

R119 2.2K

D9

BA792

C103

10nF

IFGND

Q7

2N3904

C34 1nF

C35 10nF

100

100
100
100

100

100

K9352D

Y_OUT

VCC5A

C64 0.1uF

100
100

100
100
100
100

R212 100
R213

R214
R215
R216 100

R103 10K
R104 10K

4

5

4

5

100

R1833.3K

M_LOUT

M_ROUT
HP_LOUT

HP_ROUT

R1073.3K

R1023.3K

R1063.3K

100
100

SAW_SW

VCC5

Y_OUT
U_OUT
V_OUT

SANDC

TV_HSYNC

AGC

C98220pF

VCC5

UOC_VIFIN1

UOC_VIFIN2

UOC_SIF1

UOC_SIF2

SAW_SW

TV_R
TV_G
TV_B

V3_3D

R2103.3K

R1163.3K

R1173.3K

R1153.3K

SCL_UOC

SDA_UOC

LED_RED

LED_GREEN

ON_PANEL

EN_DPF_DVD

ON_BACKLITE

HP_IDENT

DVD_KEY_DEC

TV_KEY_DEC

R833.3K

R84

3.3K

R853.3K

VCC5

R873.3K

R883.3K

R863.3K

SCL_UOC

SDA_UOC

R246
0

R893.3K

VCC5

R903.3K

IFGNDIFGND

1 2 3 4

TV_IR

PWRON

TV_DPF_SW

ASTB

HD_PC_SW

RST_MST
SCL_DPF

SDA_DPF

INT_MST
CSZ_MST

SDA_MST

SCL_MST

V3_3D

6
5
3
2
1

VCC5A

V1_8V1

SCL
SDA
A2
A1
A0

U4

VCC

GND

24LC32A

V3_3D

C94

0.1uF

WP

C36

0.1uF

C37

0.1uF

C38

0.1uF

C67

0.1uF

C68

0.1uF

C69

0.1uF

C70

0.1uF

U2A

0.1uF

VDD5A_1

15

C42

0.1uF

VDD5A_2

C43

0.1uF

C44

0.1uF

C75

0.1uF

C76

VDD5A_1

18

GNDA1

47

VDD5A_2

40

GNDA2

82

VDD5A_3

81

GNDA3

1

GNDA

4

VDD3A

12

GNDA

88

VDD3

220nF

110

C77

VDDP

0.1uF

118

V1_8DIG

C78

0.1uF

C97

5

6
7

8
9

VDD18

VREF_SDAC1

GREF_SDAC1
VREF_SDAC2

GREF_SDAC2
VREF_SDAC3

VDDC
VDDC
VDDC

VSSC
VSSC
VSSC

VREF

VSS_REF

VCOMB

VSSCOMB

VADC

VSSADC

VDDA

GNDAUD

VDDC

VDD3A

VSSC

V8SWTCH

DECDIG

XOUT

124
100
117

101
121
125

90

89
69

68

96

95

93

92

3
94

2
45

14

10

XIN

11

FB8

C39

47uF16V

FB9

C40

47uF16V

FB10

C41

10uF16V

FB13

FB14

C72

10uF16V

FB15

C73

10uF16V

FB16

C74

10uF16V

FB20

C96

100uF16V

TDA15063H_1

4

4

V3_3D

C100

VCC5

8

C95

4

0.1uF

7

0.1uF

DECDIG

C247

100uF16V

C107
220nF

FB42

VCC5

C106

47uF16V

R129
10K

C151

0.1uF

GND1OUT2VIN

3

R243 10K

U22
NCP1117DT18RK

2N3904

Title

B

Date: 5-Apr-2005 Sheet of
File:

4321

C47
680nF

C45

680nF

R211
10

680nF

V3_3D

C49

C48

220nF

VCC5A

FB12

C46

0.1uF

C79
220nF

C51

100uF16V

FB18

V1_8V2

C82

0.1uF

FB19

C80
220nF

FB17

C81

0.1uF

V1_8V1

C85

100uF16V

DECDIG

FB56

C83

0.1uF

V3_3D

C84

0.1uF

VDD5A_2

Y1

33pF

C99

24.576M

C101
33pF

Select Y2 - Saronix 9922 520 20264

V1_8V1

C248

C152

100uF16V

0.1uF

Q9
Si2311DS

Q26

LS07-CHN-UOCIII TAD12021H

Number RevisionSize

4

Drawn By:

V1_8V1

C52

100uF16V

D

V1_8V2

C

B

A

Ver 5.0

2