TCL LCD20V6ST Schematic

5

GM21 LCD TV

4

3

2

1

D D

C C

CONTENTS

SCHEMATIC

01. Contents

02. Input

03. GM5221

04.LVDS_OUT

05. TTL_out

06. Power

07. VIDEO DECODER

08. Audio

09.20"CMO

屏

10.Interface

11.Power_New

SHEET

1
2
3
4
5
6
7
8

9
10
11

12.AMP 12

B B

Approval

A A

SignatureOrganization

Date

CHY 04-05-17

Title

GM21

Size Document Number Rev

040108 chy

B

of

Date: Sheet

5

4

3

2

110Monday, October 24, 2005

1

5

4

3

2

1

D D

CN3

连接到

2

0"CMO

屏 一一对应连接到数字板

50
49
48
47
46
45
44
43
42
41
40
39
38
37
36

C C

35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19

>

B B

18
17
16
15
14

B0
B1
B2
B3

B4
B5
B6
B7

G0
G1
G2
G3

G4
G5
G6
G7

R0
R1
R2
R3

R4
R5
R6
R7

CLK
EN

TXO1+

PD20
PD21
PD22
PD23

TXe0+
TXe0­TX03+
TX03-

TX0C+
TX0C­TX02+
TX02-

TXe3+
TXe3­TXeC+
TXeC-

TXe2+
TXe2­TXe1+
TXe1-

DCLK
DEN

TXO1-

TXO0+

TXO0-

13
12
11
10

9
8
7
6

Power
Power
Power
Power

Power
Power
Power
Power

5
4
3
2

CN3

50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
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

1

A A

FH12-50S-0.5SH

GND

5

TXE1-

4

3

2

1

5

R11

R10

C29

C30

1n

0

0

C10

C9

10u 25V

C15

10n

0

R5

56P

100n PE

C18

49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

100

10u 25v

0

IC502

MSP34*0G

AVSUP
ANA-IN+
ANA-IN­ANA-IN2+
TESTEN
XTAL-IN
XTAL-OUT
TP
AUD-CL-OUT
NC
NC
D-CTR-I/O1
D-CTR-I/O0
ADR-SEL
STANDBYQ
NC

R28

100

L6

R22

D D

C C

+5V

L4

0

100uH

C23

C6

10n

10u 25v

C22

0

47U 25V

C11

56P

0

C16

0

3.3P

C41

0

C11

3.3P

10K

+5V

MCSCL

MCSDA

+5V

Y_L PC_LAV1-L

0

C7

43

SC1-IN-L

SC1-IN-R

I2S-WS

I2S-DA-OUT

C554

1n

C10

10u 25v

ASG

SC2-IN-R

I2S-DA-IN1

ADR-DA

SC2-IN-L

ADR-WS

PC_R

R12

R

C31

C37

1n

0 0

C34

C35

0

3u3 25v

353637

40

ASG

ASG

SC3-IN-L

SC3-IN-R

SC4_IN_L

SC4_IN_R

ADR-CL

DVSUP

DVSS

I2S-DA-IN2NCRESETQ

NC

14

Y_RAV1-R

C32

R

C42

1n

10u 25v

4847464544424139383433

AVSS

MONO-IN

VREFTOP

IC204 DIP2 MSP34*5G

I2C-CL

I2C-DA

I2S-CL

12345678910111213

0

C32

C33

C39

103

47u 25v

103

0

+5V

R13

R

0

C550

1n

0

CAPL-M

AHVSS

AGNDC

AHVSUP

SC1-OUT-L
SC1-OUT-R

SC2-OUT-L
SC2-OUT-R

DACM-SUB

DACM-L
DACM-R

DACA-R

NC

16

15

10U 25v

0

100n PE

CAPL-A

VREF1

VREF2

DACA-L

C38

1n

C35

C19

R33

R15

NC
NC

R20

C25

R25

0

SIF

B B

R24

R31

C24

C3

C3

L3

0

0

+5V

L612

L603

Q612

C630

R630

L604

C631

C631

5

C633

BAV99

D613

C634

R631

C635

L606

D614C632

L602

C603

A A

C637

4

R

C40

1n

C26

1n

Y_L
Y_R

PC_R
PC_L
SVC
SVY
AV1

P4

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

+5V

0

1n5

C20

C28

47u 25v

C27

470p

0

C36

32
31
30

C21

29
28
27
26
25
24
23
22
21
20
19
18
17

0

+5V

R16

1K

R19

47u 25v

47u 25v

R7

100

C13

1000p

10K

D1

1N4148

0

100

C14

0

+9V

L5

22uH

1K

R36

L

R

1000p

R6

0

R30

1K

C44

R37

RS

3

IC1

7805

3

O

C45

C46

47U 16V

10n

0

C5

OUT_L

2.2uF

C2

47u 25v

1

I

G

2

L1

C1
10n

0

J5

1K

R3

EAR_L

SPK_L
SPK_R
EAR_R

R4

1K

4
3
2
1

456
3

EAR

2
1

C4

2n/ns

C43

OUT_R

2.2uF

2n/ns

C60

+9V
SCL

SDA
TV_IN

6

5

0

IN_L

IN_R

2

C57

J1

1
2
3
4
5
6
7
8

Q7

J2

1
2
3
4
5
6

IN_L
IN_R
OUT_R
OUT_L

+9V

C58

SVY

R43

Q6

SVC

+9V

C59

C60

AV1

Q8

R54

R42

R44

R50

C67

AV1-L

R46

L
R

R35

R41

R34

R38

C66

R60

1

J3

1
2
3
4

C63

SVY

R53

SVC

R52

AV1

Audio R

P8

PN

R56

C47

R17

C638

C604

C636

TV_IN

4

R604

MCSDA

MCSCL

R613

R614

Q610

0

TDA9886T

R615

C611

R618

SCL

SIOUT/MAD

NC

TAGC

131415

C48

101211

SDA

REF

C613

Z601

C612

C619

R619

AGC TOP

IF AGC

16

AUDIO OUT

CVBS OUT

17

C621

C620

R617

C617

C615

AFD

D GND

AGND

18192021222423

DEEMP

VPLLVPAFC OUT

C622

C610

C614

R612

OUTP1

FM PLL

OUTPUT2

C609

VIF IN2

SIF1

R611

C618

123456789

VIF IN1

SIF2

IC601

3

R601

R606

D601

Z611

M9370M

C601R616

12345

12345

M3953M

R606

Z610

D611

AV1-R

12345

12345

C632

MCSDA

MCSCL

2

L601

R1

R608

IF1

IF2

VT

ADC

C602

VS

NC

SDA

SCL

AS

TU

110 2356789411

AGC

Title

Size Document Number Rev

C

Date: Sheet

R45

Audio L

R55

<Title>

<Doc> <RevCode>

1

of

11Monday, October 24, 2005

5

D D

4

3

2

1

C C

R8

R9

10K

VGASCL
VGASDA

D6

3

BAV99

+5V

D4

3

BAV99

1 2

GND

R17 100R

R18 100R

C220

0.1UF

GND

R12 10K

R13 0R

CN2

GND

R14582

D7

3

BAV99

R30
10K

GNDGND

P1

SIG3GND3

5 2

GND2 SIG2

6 3

GND1 SIG1

COMPONENT

3

GND

15
14
13
12
11

+5V

DB15 HD

D8

BAV99

1 2

R23 20R

R31
10K

14

VGA_SCL

VGA_SDA A-GREEN

+5V

1 2

GND

A-VS

GND

R14
10K

5
10
4
9

A-BLUE

3
8
2
7

A-RED

1
6

GND

Near VGA pins

HSYNC 5

1%

VSYNC 5 BLUE+ 5

1%

FB2

A-PR

21

FB3

A-Y

21

FB1

A-PB

21

4

VGACON

VGA RGB In

VGA_5V

R143 0R

R1982

R2082

GND

GND

GND

R36

GND

A-GREEN

A-Y

82

R32

GND

R2182

10uF/16V

82

10uF/16V

10uF/16V

RMADDR8

+5V_MUX

R42

22k

BC847c

R45

10k

BC847c

Q2

BC847c

1

Q4

1

Q1

1

2 3

+5V_MUX

2 3

+5V_MUX

2 3

SEL_RGB3

Y/G

R29
1k

GND

R26
22k

C13

12

R35
10k

C15

12

GND

R24

22k

C11

12

R33

10k

BAT54C

VGA_5V

A1

EDID VGA

U2

VCCA0

2

A1A2WP

3

SCL

4

GND

SDA

24AA02

GND

ANALOG DDC

B B

A A

+5V

D5

A2

C

5V_VGA

C2

0.1uF

81

GND

7
6
5

GND

+5V

DNP

1 2

R15

GND

47K

R16
2K7

YPrPB Video In

5

R37

Pb/B

1k

GND

R10 100R
R11 100R

C102
10uF

GND

1

IN

2

SA1

3

SA2

4

DA

5

SB1

6

SB2

7

DB

8

GND

13-PI5V33-0QB

GND

3

+

PI5V330

U3

2 3

VCC
SD1

SD2
SC1

SC2

Q5

BC847c

EN

DD

DC

1

R48

16
15
14
13
12
11
10
9

+5V_MUX

GND

+5V_MUX

12

GND

R46

22k

1 2

10k

L1

GND

Pr/RA-PR

R34

1k

C16

10uF/16V

A-BLUE

10K

+

C4

10uF

GND

BC847c

2 3

+5V_MUX

2 3

NOT TO BE MOUNTED

+5V

DDC_SCL_VGA 5
DDC_SDA_VGA 5

MUXED RGB
TO 5221ADC

C3 0.01uF

C5 0.01uF

+5V_MUX

R47
22k

Q6

C17

1 2

1

10uF/16V

Q3

R50

10k

BC847c

82

R49

R41

22k

C14

1

1 2

10uF/16V

R43

10k

GND

Pr/R

R22 47R 1%

Y/G

R25 47R 1%

Pb/B

R28 47R 1%

A-PB

GND

A-RED

2

R3884.5 1%

R3984.5 1%

GND GND GND

Title

Size Document Number Rev

C

Date: Sheet

C6 0.01uF
C7 0.01uF

C8 0.01uF
C9 0.01uF

C10 0.01uFR27 20R
C12 0.01uF

R4084.5 1%

GM21-input

040108 chy

INPUT

1

SOG_MCSS 5

RED+ 5
RED- 5

GREEN+ 5
GREEN- 5

BLUE- 5

of

210Monday, October 24, 2005