TCL 43A8000/3RT285, Service Manual

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

HDMI0

Mark on board

DEBUG0

Board Side 

HDMI1

HDMI2

H1_5V

HDMI0-RX2-

HDMI0-RX1-

HDMI0-RX1+

HDMI0-RX2+

HDMI0-RX0-

HDMI0-RX0+

HDMI0-RXC-

HDMI0-RXC+

HDMI0-RX0-

HDMI0-RX2-

HDMI0-RX0-

HDMI0-RX1-

HDMI0-RX1+

HDMI0-RX2+

HDMI0-RX0+

HDMI0-RXC-

HDMI0-RXC+

CEC

HDMI1-RX1+

H0_5V

HDMI2-RX0+

HDMI2-RX1+

HDMI2-RX2+

HDMI2-RXC+

HDMI2-RXC-

HDMI2-RX0-

HDMI2-RX1-

HDMI2-RX2-

HDMI2-RX0+

HDMI2-RX2+

HDMI2-RXC+

HDMI2-RXC-

HDMI2-RX0-

HDMI2-RX1-

HDMI2-RX2-

HDMI2-RX1+

HDMI1-RXC-

HDMI1-RX2-

H1_HPD

H1_SDA

H1_SCL

HDMI0_HPD

HDMI1-RX1-

CEC

H1_SCL

H1_SDA

H0_SDA

H0_SCL

HDMI0-RX2+

HDMI0-RX1+

CEC

HDMI0-RX0+

HDMI0-RXC+

H0_SCL

H0_SDA

HDMI2-RX0+

ARC

H0_5V

H1_5V

HDMI1-RX2-

HDMI1-RX1-

HDMI1-RX1+

HDMI1-RX2+

HDMI1-RX0-

HDMI1-RX0+

HDMI1-RXC-

HDMI1-RXC+

HDMI2-RXC-

HDMI2-RX0-

HDMI2-RX1-

HDMI2-RX2-

H2_5V

HDMI2_HPD

H2_SDA

H2_SCL

HDMI2-RX2+

HDMI2-RX1+

CEC

HDMI2-RXC+

H2_SCL

H2_SDA

H2_5V

H1_HPD

H2_HPD

HDMI1-RXC+

HDMI1-RX0-

HDMI0-RX1-

H1_5V

HDMI0-RX2-

HDMI1-RX2+

HDMI1-RX0+

HDMI0-RXC-

ARC

HDMI1-RX2-

HDMI1-RX1-

HDMI1-RX1+

HDMI1-RX2+

HDMI1-RX0-

HDMI1-RX0+

HDMI1-RXC-

HDMI1-RXC+

H0_HPD

GND

GND

GND

GND

GND

GND

H0_5V

H0_5V

H1_5V

GND

GND

GND

GND

GND

3V3_STB

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

H2_5V

H2_5V

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3V3_STB

GND

GND

GND

H1_5V

HD

8

HDMI0_RX0-

8

HD

8

HD

8

HDMI0_RX2-

8

HDMI0_RXC-

8

HD

8

HDMI0_RX1-

8

HDMI0_SDA

8

CEC

8,19,20

ARC

21

HDMI0_SCL

8

H0_HPD

8

H0_5V

8

HDMI_ARC

8

HDMI_CEC

8

H0_5V

8

HDMI0_DETECT

8

HDMI0_HPD

H1_HPD 8

HD 8

HDMI1_RX0- 8

HD

8

HD

8

HDMI1_RX2-

8

HDMI1_RXC-

8

HD

8

HDMI1_RX1-

8

HDMI1_SDA

8

CEC

8,19,20

UART_TX

HDMI1_SCL

8

HDMI1_HPD

HDMI1_DETECT

UART0_RX

UART_TX

UART0_TX

UART_RX

UART_RX

H2_HPD

8

H2_5V

8

H2_5V

8

HDMI2_DETECT

8

HD

8

HDMI2_RX0-

8

HD

8

HD

8

HDMI2_RX2-

8

HDMI2_RXC-

8

HD

8

HDMI2_RX1-

8

HDMI2_SDA

8

CEC

8,19,20

HDMI2_SCL

8

HDMI2_HPD

UART_TX

UART_RX

Q500

2N3904

Q500

2N3904

1

2

3

D5

0

0

NM

D5

0

0

NM

1UF

C500

1UF

C500

R517

10K

R517

10K

D5

0

2

NM

D5

0

2

NM

R510

47K

R510

47K

R526

10K

R526

10K

R501

33R

R501

33R

R513
22K

R513
22K

R529

33R

R529

33R

D5

1

0

NM

D5

1

0

NM

R519

47K

R519

47K

D5

1

2

NM

D5

1

2

NM

R531

10K

R531

10K

R533

47K

R533

47K

DB_RX

DB_RX

1

1

D5

0

7

NM

D5

0

7

NM

D5

0

4

NM

D5

0

4

NM

R523 1K2

R523 1K2

U500

RClamp0524P/AZ1045-4F

U500

RClamp0524P/AZ1045-4F

Lin1

1

Lin2

2

GND

3

Lin3

4

NC3

7

NC1

10

NC2

9

GND

8

Lin4

5

NC4

6

R527
22K

R527
22K

D5

0

8

NM

D5

0

8

NM

R518

4K7

R518

4K7

R515

33R

R515

33R

R506
22K

R506
22K

U501

RClamp0524P/AZ1045-4F

U501

RClamp0524P/AZ1045-4F

Lin1

1

Lin2

2

GND

3

Lin3

4

NC3

7

NC1

10

NC2

9

GND

8

Lin4

5

NC4

6

R532

4K7

R532

4K7

D5

1

3

NM

D5

1

3

NM

D5

0

9

NM

D5

0

9

NM

R505

10K

R505

10K

U502

RClamp0524P/AZ1045-4F

U502

RClamp0524P/AZ1045-4F

Lin1

1

Lin2

2

GND

3

Lin3

4

NC3

7

NC1

10

NC2

9

GND

8

Lin4

5

NC4

6

U504

RClamp0524P/AZ1045-4F

U504

RClamp0524P/AZ1045-4F

Lin1

1

Lin2

2

GND

3

Lin3

4

NC3

7

NC1

10

NC2

9

GND

8

Lin4

5

NC4

6

R507

1K

R507

1K

R509

10K

R509

10K

R512

10K

R512

10K

R521

10K

R521

10K

R503
100R

R503
100R

R528

33R

R528

33R

R508

4K7

R508

4K7

R524

10K

R524

10K

R525 220R

R525 220R

D5

0

6

NM

D5

0

6

NM

D5

1

4

NM

D5

1

4

NM

D5

0

5

NM

D5

0

5

NM

P500

HDMI1 Connector

P500

HDMI1 Connector

+5V Power

18

DATA2+

1

DATA2 Shield

2

DATA2-

3

Hot Plug Detect

19

GND_1

20

DATA1-

6

DATA0+

7

DATA0 Shield

8

DATA0-

9

CLK+

10

CLK Shield

11

GND_2

21

GND_3

22

Reserved

14

SCL

15

SDA

16

DDC/CEC Ground

17

GND_4

23

DATA1+

4

DATA1 Shield

5

CLK-

12

CEC

13

R511

47K

R511

47K

P502

HDMI Connector

P502

HDMI Connector

+5V Power

18

DATA2+

1

DATA2 Shield

2

DATA2-

3

Hot Plug Detect

19

GND_1

20

DATA1-

6

DATA0+

7

DATA0 Shield

8

DATA0-

9

CLK+

10

CLK Shield

11

GND_2

21

GND_3

22

Reserved

14

SCL

15

SDA

16

DDC/CEC Ground

17

GND_4

23

DATA1+

4

DATA1 Shield

5

CLK-

12

CEC

13

U505

RClamp0524P/AZ1045-4F

U505

RClamp0524P/AZ1045-4F

Lin1

1

Lin2

2

GND

3

Lin3

4

NC3

7

NC1

10

NC2

9

GND

8

Lin4

5

NC4

6

R530

1K

R530

1K

R520

47K

R520

47K

R514

33R

R514

33R

D5

1

1

NM

D5

1

1

NM

R522 1K2

R522 1K2

R500

33R

R500

33R

DB_TX

DB_TX

1

1

P501

HDMI Connector

P501

HDMI Connector

+5V Power

18

DATA2+

1

DATA2 Shield

2

DATA2-

3

Hot Plug Detect

19

GND_1

20

DATA1-

6

DATA0+

7

DATA0 Shield

8

DATA0-

9

CLK+

10

CLK Shield

11

GND_2

21

GND_3

22

Reserved

14

SCL

15

SDA

16

DDC/CEC Ground

17

GND_4

23

DATA1+

4

DATA1 Shield

5

CLK-

12

CEC

13

R504

100R

R504

100R

R516

1K

R516

1K

Q501

2N3904

Q501

2N3904

1

2

3

P503

H_2.0_4

P503

H_2.0_4

1

2

3

4

D5

0

1

NM

D5

0

1

NM

Q502

2N3904

Q502

2N3904

1

2

3

R534

47K

R534

47K

D5

0

3

NM

D5

0

3

NM

R502

180R

R502

180R

U503

RClamp0524P/AZ1045-4F

U503

RClamp0524P/AZ1045-4F

Lin1

1

Lin2

2

GND

3

Lin3

4

NC3

7

NC1

10

NC2

9

GND

8

Lin4

5

NC4

6

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