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TCL L32D2710, Service Manual

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TCL L32D2710 Service Manual Download Page 24

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D

D

C

C

B

B

A

A

R233

1Kohm-0402-

±1%-1/16W

C138

0.1

uF

-0402-Y5V-+8

0%-20%-16V

R232

1Kohm-0402-

±1%-1/16W

M

DDR-VRE

F

R

268

4K7ohm

-0402

-±

5%-1/

16

W

3V3-STB

SP

I-W

P0

N

C197

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

CE

1

SO

2

WP

3

VSS

4

SI

5

SCK

6

HOLD

7

VDD

8

U1

1

GD

25Q32

B

SI

G

SP

I-F

%

h-SC

K

FL

A

SH

-CS0

N

SP

I-F

%

h-SD

I

SP

I-F

%

h-SDO

R

272

NC/

10Kohm-0402-

±

5%-1/16W

C198

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

R

276

33ohm-0402-

±

5%-1/16W

R

277

10Kohm

-0402

-±

5%-1/

16

W

3V3-STB

3V3-STB

+2.5V-PG

A

MST6M181VG MST6M182VG MST6M161LG

1.26V

DDR1

 

2.5V

DDR2

 

1.8V

2.5V

3.3V

GPIO

 

define

M

ST6M161LG/MST6M181VG

 

 

 

 

 

 

 

 

 

 

 

MST6M182VG

B-OD

D7/

LV

A2M

R12

NC/

GP

IO62

N9

SOGI

N

1

H2

BI

N1P

H3

GI

N1M

J2

GI

N1P

J3

CVBS

2

K1

AVDD

-DVI

H4

AU

L0

M2

A

UR

EFM

M4

GI

N0P

F3

RFAGC

T4

B-ODD

2/LVA3P

P11

VIFM

R6

VIFP

T6

AV

DD-PG

A

N5

AV

DD-33

J4

RI

N1P

J1

R-ODD

2/LVB2P

N14

B-OD

D5/

LV

ACK

M

P12

G-ODD0/L

VA

1P

P13

SA

R2-GP

IO

13

/G

PIO

73

C1

0

SA

R1-GP

IO

12

/G

PIO

74

C1

1

GPIO11/TCON11/HCON-3

9

D15

GPIO10/TCON10/OP

T-N-38

G15

GPIO

9/TCON

9/OPT-P-

37

F16

GPIO8

/TC

ON8/F

LK3-36

H16

GPIO

3/TCON

3/GCLK

2-3

1

E16

GPIO

2/TCON

2/GCLK

1-3

0

J14

GI

N0M

F2

GPIO21/TCON21/VGH-ODD-49

K14

GPIO20/TCON20/VGH-EVEN-48

K16

GPIO19/T

CON19/GC

LK6-47

L15

GPIO18/T

CON18/GC

LK5-46

K15

GPIO17/T

CON17/GC

LK4-45

G16

GPIO16/TCON16/W

PW

M-4

4

F15

GPIO13/TCON13/LEDON-4

1

D14

B-ODD

0/LVA4P

P10

B-OD

D1/

LV

A4M

R10

B-OD

D3/

LV

A3M

R11

B-OD

D4/

LV

ACL

P

T11

SCZ

B1

5

G-ODD

3/LV

A0M

R14

G-ODD4/

LV

B4P

T14

G-ODD

5/LV

B4M

T15

G-ODD6/

LV

B3P

R15

G-ODD

7/LV

B3M

R16

R-ODD

4/LVB1P

M14

G-ODD2/L

VA

0P

P14

SD

O

B1

6

IR

IN

B9

CE

C

D6

HWRE

SE

T

A9

HOTPL

UG

A

D4

SOGI

N

0

E2

A

UO

U

TL1

N4

A

UO

U

TR1

P3

A

UO

U

TL0

R2

A

UO

U

TR0

T2

XIN

T3

XOUT

R3

AVDD

-DM

PLL

K4

RX

CKN-A

A3

RX

C

KP-

A

A2

RX

0N-A

B3

RX

0P

-A

B2

RX

1N-A

B1

RX

1P

-A

C3

DDCDA-DA

D3

RX

2N-A

C1

RX

2P

-A

C2

DDCDA-CK

D1

AR

C

D2

VDDC

L8

HSYNC0

E4

BI

N0P

E3

RI

N0P

F1

VSYNC0

F4

AV

DD-PLL

J5

AV

DD-25

H6

CVBS

1

K2

CVBS

0

L1

VCOM

L2

CVBS

O

U

T

M1

AU

R0

N1

AU

L1

N2

AU

R1

P1

A

UVAG

L3

AU

L2

P2

AU

R2

R1

AU

L3

M3

AU

R3

N3

AVDD

-AU3

3

M5

AV

DD-RE

F

K6

PGA

-CO

M

P5

GP

IO24/

G

PI

O56

R8

GP

IO25/

G

PI

O57

R9

GP

IO23/

G

PI

O58

P8

NC/

GP

IO59

N8

GP

IO27/

G

PI

O60

T9

GP

IO26/

G

PI

O61

P9

GP

IO22/

G

PI

O55

T8

B-ODD

6/LVA2P

T12

G-ODD

1/LV

A1M

R13

R-ODD

0/LVBC

KP

P15

R-ODD

1/LVBC

KM

P16

R-OD

D3/

LV

B2M

N15

R-OD

D5/

LV

B1M

M15

R-ODD

6/LVB0P

M16

R-OD

D7/

LV

B0M

L16

AV

DD-MO

D

L5

SA

R3-GP

IO

14

/INT-GP

IO

65

G1

4

DDCR-CK/G

PI

O63

B1

4

GPIO15/T

CON15/SC

AN-BLK1-4

3

F14

DDCR-DA/

GP

IO

64

C1

4

GPIO14/TCON14/S

CAN-B

LK-42

E14

GPIO12/TCON12/DP

M-4

0

D16

GPIO6/TCON

6/FLK-34

J16

GPIO7

/TC

ON7/F

LK2-35

L14

GPIO

5/TCON

5/SOE-3

3

H15

GPIO

4/TCON

4/GCLK

3-3

2

J15

GPIO

1/TCON

1/VST-2

9

H14

GPIO

0/TCON

0/POL-2

8

E15

US

B0-DM

A1

5

TEST

PI

N

C1

3

US

B0-DP

A1

4

US

B1-DM

A1

3

US

B1-DP

B1

3

SCK

C1

5

GND-EFU

SE

D13

SD

I

C1

6

SA

R0-GP

IO

11

/G

PIO

75

B1

1

DDCA-

C

K

D10

DDCA-DA

D11

PWM

0-GP

IO

20

/G

PI

O

26

B1

2

PWM

1-GP

IO

21

/G

PI

O

25

C1

2

PM

G

PI

O

-G

PI

O10

/G

PI

O66

D12

PM

1-GP

IO6/G

PI

O67

A1

1

PM

4-GP

IO7/G

PI

O68

A1

0

PM

5-GP

IO8/G

PI

O69

B1

0

PM

6-GP

IO9/G

PI

O70

C9

HOTPL

UG

D

D5

RX

C

KN-D

C7

RX

C

KP-D

B7

RX

0N-D

C6

RX0P

-D

B6

RX

1N-D

A6

RX1P

-D

C5

DDCDD-DA

C4

RX

2N-D

A5

RX2P

-D

B5

DDCDD-CK

B4

GND

R7

GND

T7

GND

H9

GND

H11

GND

J9

GND

J10

GND

J11

GND

K9

GND

K10

GND

K11

GND

A12

GND

F13

GND

G13

GND

G1

GND

G2

GND

G3

GND

P4

GND

R4

GND

R5

GND

T5

GND

P6

GND

P7

VDDC

L7

VDDC

K8

VDDC

K7

VDDC

J8

VDDC

J7

VDDC

H8

AVDD-1P2

H7

AVDD

-DDR

D9

AVDD

-DDR

E13

AVDD

-DDR

M11

AVDD

-DDR

M10

AV

DD-MO

D

K5

AV

DD-MO

D

M6

AV

DD-MO

D

L6

DVDD-NODIE

D7

MV

R

EF

K13

GPIO30/LCK-74

N10

GPIO29/LDE

-75

N11

GPIO28/LHSYNC

N12

GPIO27/LVSYNC

N13

VSYNC1

K3

VRP

L4

GND

H10

AVDD

-AU2

5

J6

AVDD

-DDR

G8

GND

N6

U6 MT

3M

18

2

G

C

L

1

DDCDD-CK

HDMI0-RX

0N

HDMI0-CL

K

P

HDMI0-CL

K

N

HDMI0-RX

1N

HDMI-

H

P0

DDCDD-DA

HDMI0-RX

0P

HDMI0-RX

1P

HDMI0-RX

2P

HDMI0-RX

2N

A

D

C

2P5

SP

I-W

P0

N

M

DDR-VRE

F

GP

IO

7

GP

IO

4

SP

I-F

%

h-SDO

SP

I-F

%

h-SD

I

SP

I-F

%

h-SC

K

DVDD-NODIE-1.2V

DVD-SE

L

DVD-ST

B

RXO0P

RXO1P

RXO1

N

RXO0

N

RXOC

N

RXO2P

RXOC

P

RXO2

N

RXO3P

RXO3

N

RXO4P

RXO4

N

RX

E0N

RX

E0P

RX

E1N

RX

E2N

RX

E1P

RX

E2P

RX

ECN

RX

E3P

RX

ECP

RX

E3N

RX

E4N

RX

E4P

TAGC

VIFM

VIFP

XTAL

O

XTALI

AV

SS-PG

A

A

UVRP

A

UVAG

A

UVRM

M

-RES

ET

1V2

HDMI-

RXC-

HDMI-

RXC+

HDMI-

RX

0-

HDMI-

RX

0+

HDMI-

RX

1-

HDMI-

RX

1+

HDMI-

RX

2-

HDMI-

RX

2+

HDMI-

SC

L

HDMI-

SD

A

HOTPL

UG

A

HDMI-

CE

C

M

-SD

A

M

-SC

L

PC

-H

SI

N

PC

-S

O

G

PC

-G

IN

+

PC

-B

IN

+

PC

-R

IN

+

GI

N0M

R213

100oh

m

-0402

-±

5%-1

/1

6W

R212

100oh

m

-0402

-±

5%-1

/1

6W

RX

D

TXD

UA

RT-RX/DDC

UA

RT-TX/DDC

RX

D

TXD

Y

P

P

-SO

G

Y

P

P

-Y-IN

YP

P

-P

-IN

Y

P

P

-P

-IN

GI

N2M

PC

/YP

P

L

IN

PC

/YP

P

R

IN

A

V-RO

CV

B

S-OUT

A

V-LO

A

V-IN

A

V-RI

N

A

V-LI

N

VCOM0

US

B0-DP

US

B0-DM

US

B1-DP

US

B1-DM

AM

P

M

UT

E

PO

W

-EN

PA

NEL-

EN

BL

-E

N

BL

-A

D

J

A

M

P-RO

A

MP-

LO

Y

P

P

-SW

1

KEYA

KEYB

REMOTE

LE

D

R/

FL

A

SH

-CS0

N

R225

10

0K

oh

m

-0

402-±

5%-1/1

6W

Q20

SG

M

810-SXN3L

M

-RES

ET

3V3-STB

R531

1Kohm-0402-

±5%-1/16W

1V2

1V8-DDR

2V5

C5

1

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

A

D

C

2P5

3V3-STB

3V3-STB

CVBS

1

3V3-STB

AV

SS

-P

GA

C127

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

2V5

+2.5V-PG

A

1V8-DDR

AR

C

C8

5

N

C

/0.1

uF

-0402-Y5V-+80%-20%-16V

GN

D

GN

D

DVD-LI

N

DVD-RI

N

DVD-EN

DVD-IR

L1

5

300ohm-0402

-±

25%

L1

4

300ohm-0402

-±

25%

RE15

4K7ohm

-0402

-±

5%-1/

16

W

5V-S

TB

PE

N

1V8-DDR

C8

N

C

/0.1

uF

-0402-Y5V-+80%-20%-16V

3V3-STB

R25

220ohm-0402

-±

5%

-1

/16

W

R27

470ohm-0402

-±

5%

-1

/16

W

R2

4

2K2ohm

-0402

-±

5%-1/

16

W

L3

FC

M

1005KF-

121T06(120ohm-500mA

)

L4

FC

M

1005KF-

121T06(120ohm-500mA

) L1

0

FC

M

1005KF-

121T06(120ohm-500mA

)

HDMI-

SD

A

/

HDMI-

SC

L/

A

V-RO

C7

0

330pF

-0

402-X7R-

±

10%-50V

R9

0

10

0K

oh

m

-0

402-±

5%-1/1

6W

C6

9

330pF

-0

402-X7R-

±

10%-50V

A

V-LO

R9

1

10

0K

oh

m

-0

402-±

5%-1/1

6W

R5

6

100Koh

m

-04

02-±

5%-1/1

6W

R8

9

100Koh

m

-04

02-±

5%-1/1

6W

C7

1

33

0p

F-

04

02-X7R-

±

10%-50V

C7

2

33

0p

F-

04

02-X7R-

±

10%-50V

A

M

P-RO

A

MP-

LO

Y1

24M

H

z-

±2

0P

PM-20

PF

-HC-49S-TKD

R216

1M

oh

m

-0402

-±

5%-1

/1

6W

C128

33

pF

-040

2-

N

PO

-±

5%-50V

C129

33

pF

-040

2-

N

PO

-±

5%-50V

XTAL

O

XTAL

I

DVDD-NODIE-1.2V

R103

4K7ohm

-0402

-±

5%-1/

16

W

R119

4K7ohm

-0402

-±

5%-1/

16

W

A

UVRP

A

UVAG

A

UVRM

VCOM0

GI

N0M

GI

N2M

R102

68ohm-0402-

±

5%-1/16W

C145

0.

047

uF

-0402-X7R-

±

10%-16V

R112

68ohm-0402-

±

5%-1/16W

C146

0.

047

uF

-0402-X7R-

±

10%-16V

R9

8

68ohm-0402-

±

5%-1/16W

C144

0.

047

uF

-0402-X7R-

±

10%-16V

R262

4K7ohm

-0402

-±

5%-1/

16

W

R263

4K7ohm

-0402

-±

5%-1/

16

W

3V3-STB

M

-SC

L

M

-SD

A

BL

-A

D

J

Y

P

P

-SW

1

L1

1

FC

M

1005KF-

121T06(120ohm-500mA

)

GN

D

VCC

P%

VCC

P%

VCC

P%

RXE3P

RXE3N

RXECP

RXECN

RXE2P

RXE2N

RXE1P

RXE1N

RXE0P

RXE0N

GN

D

GN

D

GN

D

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

11

11

12

12

13

13

14

14

15

15

16

16

17

17

18

18

19

19

20

20

21

21

22

22

23

23

24

24

25

25

26

26

27

27

28

28

29

29

30

30

32

32

31

31

CN14

NC/

196161-30041-

3

VCC

P%

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

R8

1

N

C

/1Koh

m

-04

02-±

5%-1/1

6W

GN

D

R8

3

N

C

/100ohm

-0

402

-±

5%-1/16W

A

VDD3V

GN

D

1

2

3

4

CN16

A

2004

A

W

-04-

A

1M

A

-P

GN

D

K

0/AD

R GN

D

LOGO L-

SENSOR/

NC

LED

_R

7 6 5 4 3 2 1

CN10

NC/

A

2004

A

W

-07

-A

1MA

-P

33

_

R

33

T

5V-O

FF

5V-O

FF

C5

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

GN

D

1

2

3

4

5

CN11

A

2004

A

W

-05-

A

1M

A

-P

R GN

D

LED

_R

33

_

R

5V-O

FF

GN

D

KEYA

K

0/AD

RK

4

100Koh

m

-04

02-±

5%-1/1

6W

3V3-STB

33

_

R

LED

_R

LED

_R

33

T

C3

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

R1

22ohm-0402-

±

5%-1/16W

CK

4

0.1

uF

-0402-X7R

-±

10%-16V

GN

D

GN

D

RK

3

NC/

510ohm

-0

402

-±

5%-1/16W

R5

10

40

2

5

1

16

R2

510oh

m

-0402

-±

5%-1

/1

6W

C2

NC/

0.1uF-0

402-Y5V-+80%-20%-16V

C1

NC/

0.1uF-0

402-Y5V-+80%-20%-16V

LOGO

LK

2

0o

hm

-0

402-±

5%-1/1

6W

LK

1

0o

hm

-0

402-±

5%-1/1

6W

LED

_R

LED

_R

QK1

NC/

M

MBT3904(f≥

350MH

z)

RK

6

N

C

/1

K

oh

m

-0

402-±

5%-1/1

6W

GN

D

RK10

NC/

10Kohm-0402-

±

5%-1/16W

5V-O

FF

LOGO

R1

1

NC/

10Kohm-0402-

±

5%-1/16W

R

RK

8

1Kohm-0402-

±5%-1/16W

3V3-STB

RK

7

4K7ohm

-0402

-±

5%-1/

16

W

CK

6

30

pF

-040

2-

N

PO

-±

5%-50V

RE

M

TE

GN

D

LK

3

0o

hm

-0

402-±

5%-1/1

6W

GN

D

C4

1

10u

F-0603-

X5R-

±

20

%-6.3

V

C9

5

10uF-

06

03-

X5R-

±

20

%-6.3

V

C5

2

10uF-

06

03-

X5R-

±

20

%-6.3

V

CVBS

2

R9

9

4K7ohm

-0402

-±

5%-1/

16

W

R100

4K7ohm

-0402

-±

5%-1/

16

W

TC

ON4

TC

ON2

TCON2

TCON4

C130

10u

F-0603-

X5R-

±

20

%-6.3

V

C131

10u

F-0603-

X5R-

±

20

%-6.3

V

R7

0

33ohm-0402-

±

5%-1/16W

R6

9

33ohm-0402-

±

5%-1/16W

PC

-V

SI

N

C9

1

1u

F-0402-X5R

-±

20%-6.

3V

C133

1u

F-0402-X5R

-±

20%-6.

3V

A

K

DK1

A

V

LC

18S0

2003

A

K

D47

A

V

LC

18S02003

A

K

D7

NC/

IC

V

L0518030F

R

A

K

D8

NC/

IC

V

L0518030F

R

C3

9

NC/

0.

1uF-0402

-Y5V-+80%-20%-16V

GN

D

KEYB

3V3-STB

RK

9

NC/

4K7ohm-0402-

±

1%-1/16W

R9

6

NC/

100ohm

-0

402

-±

5%-1/16W

R7

3

NC/

100ohm

-0

402

-±

5%-1/16W

LVDS

 SEL

R8

4

N

C

/1

K

oh

m

-0

402-±

5%-1/1

6W

R8

7

4K7ohm

-0402

-±

5%-1/

16

W

VCC

P%

VCC

P%

VCC

P%

GN

D

GN

D

GN

D

GN

D

DCR

GN

D

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

CN

15

A

2009

A

W

-220

-A

1MA

-B

RXE3P

RXE2N

RXE1P

RXE1N R

XE0N

RXE0P

RXE2P

RXE3N RXECN

RXECP

RXO2N

RXO3P

RXO3N

RXO2P

RXO0N

RXO1P

RXO1N

RXO0P

RXO4N

RXO4P

RXOCP

RXOCN

RXE4N

RXE4P

VBR

 EXT

BI

TSE

L

GN

D

M

-SD

A

M

-SC

L

A

VDD3V

GN

D

VCC

P%

OD

 SEL

VBR

 OUT

LVDS

 SEL

BI

TSE

L

C4

2

0.1

uF

-0402-Y5

V-+8

0%-20%-16V

GN

D

DM_

5

_DET

3M

182VGC-

UZ

N

C

/0

oh

m

-0402

-±

5%-1

/1

6W

3E182V

G

C-

U

Z

N

C

/0

oh

m

-0402

-±

5%-1

/1

6W

C140

1u

F-0402-X5R

-±

20%-6.

3V

C6

2

5p

F-0402-NPO

-±

5%-5

0V

C6

3

5p

F-0402-NPO

-±

5%-5

0V

C4

3

5p

F-0402-NPO

-±

5%-5

0V

C4

4

5p

F-0402-NPO

-±

5%-5

0V

RXECN

RXECP

RXOCP

RXOCN

3M

182VGC-

Z1

0o

hm

-0

402-±

5%-1/1

6W

3E182V

G

C-

Z1

N

C

/0

oh

m

-0402

-±

5%-1

/1

6W

Summary of Contents for L32D2710

Page 1: ...on 3 Alignment Procedure 4 Block diagram 5 Scheme Diagram 6 Troubleshooting SORGH GUDZLQJ This m anual i s t he l atest at t he t ime of pr inting and doe s not include the modification which may be m...

Page 2: ...ectric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the liter...

Page 3: ...impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use...

Page 4: ...ng conductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electrode 15 2 Note to CATV system installer Only for the television set with CATV...

Page 5: ...durein youroperatinginstructions do not attempt any further adjustment Unplug the set and call your dealer or service technician 22 Whenever the television set is damaged or fails or a distinct change...

Page 6: ...lay Resolution 1366 768 CCD Closed Caption Brightness cd m2 typ 240 Sleep Timer Yes Contrast Ratio 3000 1 Teletext Option Response Time G to G 6 5ms Nicam Option Viewing Angle H V 178 178 MTS Life Tim...

Page 7: ...47 Gross Weight With Packaging Kg 5 88 VESA Mounting Dimensions LxH mm 200X150 Essential Accessories Default Optional Accessories Operation Manual English Default Wall Mount WMB233 Remote Control and...

Page 8: ...1 7 7 727 Alignment Procedure 02 06 39 06 397 06 97 6HULHV VERSION V1 0 PREPARED BY DATE 2014 5 6 APPROVED BY DATE CRT SJ FK02 2013...

Page 9: ...2 FACTORY MENU OPERATING MANUAL 1 1 COMMONLY USED 2 2 TO ENTER FACTORY MENU 2 3 ADC ADJUST 2 4 GENERAL SETING 3 5 DEBUG 4 6 SW INFORMATION 6 7 INIT TV 6 8 INIT FAC CHANEL 6 9 BURN MODE 6 V1 2 2012 01...

Page 10: ...ance First item of GENERAL SETTING 1 3 PQ picture quality DEBUG PQ NONLINEAR 1 4 Volume Last item of GENERAL SETING 2 TO ENTER FACTORY MENU 2 1 Method Press menu key and follow with key 1 1 4 7 one by...

Page 11: ...3 4 GENERAL SETING 4 2 W B ADJUST USUALLY USED Go to the white balance adjusting page 4 3 PICTURE MODE 7R FKDQJH 3DUDPHWHUV IRU GLIIHUHQW SLFWXUH PRGH OLNH PLOG ZRUP 4 4 Sound Mode 7R FKDQJH 3DUDPHWHU...

Page 12: ...l 4 8 LVDS MAP Press to change the LVDS map Caution Press this may close the output signal you just keep press left or right or ok and never press any key else especially key up and down 4 9 POWER MAP...

Page 13: ...saturation page 5 36 Hue Curve To change the hue page 5 37 Sharpness Curve To change the sharpness page 5 38 Volume Curve To change the volume page 5 39 All the CURVE are almost the same so I only sh...

Page 14: ...ANUAL 6 6 SW INFORMATION Press to show the detail of the software like the time and the checksum 7 INIT TV Initialize the TV totally reset the EEPROM 8 INIT FAC CHANEL Initialize the factory channel 9...

Page 15: ...Signal Flow Diagram Signal Flow MST3M182VGC LF Z1 HDMI IN TUNER SPI FLASH 32Mbits PANEL LVDS OUT RF Y Pb Pr L R AV L R USB IN AV AV_L AV_R YPbPr VGA or Y PB PR L R AV IN HDMI VGA AV OUT AMP OB6220RVPA...

Page 16: ...Signal Flow Diagram Power Supply Flow AC input EMI filter Recti fier Power converto r Output filter 19V 24V output ON 0FF ADJ PWM Feed back LED LED driver...

Page 17: ...Signal Flow Diagram Power Supply Flow DC DC LDO LDO LDO LDO LDO LDO DC DC 12V 5V STB 5V OFF 3V3 STB 2V5 1V8 DDR VDD 3V3 1V2 AVDD3V VDD 1V2 VDD 3V3...

Page 18: ...Signal Flow Diagram I C Bus Block Diagram MST3M182VGC LF Z1 CPU SCL SDA EEPROM TCON SCL SDA HDMI TUNER SCL SDA SCL SDA...

Page 19: ...3 ZB101 DB105 3 4 PCB102B 1 2 PCB102A 1 2 PCB101A 3 4 PCB101B RB141 RB142 RB143 RB101 RB102 RB103 RB106 RB108 RB136 UB102 1 1 2 2 3 3 ZB102 1 2 3 4 CNB3 RB123 RB124 RB126 RB127 RB129 RB128 RB130 RB140...

Page 20: ...RB829 RB830 RB831 RB832 RB838 RB839 RB842 RB840 RB841 DB804 DVCC RB807 BB801 RB808 RB801 CB807 RB803 CB806 RB804 CB805 RB805 CB804 CB801 1 2 3 4 5 6 7 8 UB801 RB852 QB804 RB818 RB819 QB803 RB822 CB80...

Page 21: ...03 X5R 20 6 3V CC2 10uF 0603 X5R 20 6 3V 5V OFF R34 NC 510ohm 0402 5 1 16W R37 NC 10Kohm 0402 5 1 16W Q9 NC MMBT3904 f 350MHz R35 NC 1Kohm 0402 5 1 16W C9 NC 1uF 0402 X5R 20 6 3V BL ADJ R54 NC 4K7ohm...

Page 22: ...P IN YP P P IN R23 33ohm 0402 5 1 16W YP P P IN YP P YIN YP P P IN CL12 0 1uF 0402 Y5V 80 20 16V CL11 0 1uF 0402 Y5V 80 20 16V CL13 NC 0 1uF 0402 Y5V 80 20 16V 2 1 4 3 6 5 AV12 AV3 120B02 03Z1 HOTPLUG...

Page 23: ...pF 0402 NPO 5 50V op 2 1 4 2 5 6 7 8 18 p 17 16 p 15 10 o 9 f 2 1 f 1 24 23 f1p 22 f1 21 f2p 20 f2 19 25 11 fp 12 14 fp p 13 3 U3 R620D CT7 10pF 0402 NPO 5 50V RT2 5R1ohm 0402 5 1 16W RT5 0ohm 0402 5...

Page 24: ...UART RX DDC UART TX DDC RXD TXD YP P SOG YP P Y IN YP P P IN YP P P IN GIN2M PC YP P L IN PC YP P R IN AV RO CVBS OUT AV LO AV IN AV RIN AV LIN VCOM0 USB0 DP USB0 DM USB1 DP USB1 DM AMP MUTE POW EN P...

Page 25: ...R 20 BSNR 21 BSNL 22 OUTNL 23 PGND 24 OUTPL 25 BSPL 26 PVCCL 27 PVCCL 28 UA31 TPA3110LD2PWPR GND GND GND CA54 0 22uF 0402 Y5V 80 20 16V CA53 0 22uF 0402 Y5V 80 20 16V CA47 0 22uF 0402 Y5V 80 20 16V CA...

Page 26: ...components damage or not Check the rectifier Check if output short Check if RB148 open Non output IR indicator light slake Check if 12V output normal Check if EB1 voltage about 2Vac Check if UB101 PIN...

Page 27: ...heck ADJ PWM ON OFF Control signal Check Main board function Change damage resistors Check if LED output short IR indicator light up but backlight slake Check if LED output cable is connect correction...

Page 28: ...V output check the external power supply Power on Check EA3 for 5V_STB output Check UL2 for 3 3V UL3 for 1 8V output Check the circuit of UL2 UL3 Check the circuit of U2 Check UC1 for 1 2V output Y N...

Page 29: ...cable is correct and connected tightly Check if the LCD panel is OK Change the cable for panel Y N Change LCD N Y 1 Check the output circuit from U6 to CN15 2 Change U6 No TCON Check the output circu...

Page 30: ...depend on panel N Y Is there voltage on grid of QM4 can changed 12 0V or 5V 0 Is there output signal from U6 Panel cable is ill connected or QM4 is damaged Check if the circuit of QM5is normal N Y Ch...

Page 31: ...black screen Black screen Check if the voltage on CN1 BL ON is high Check the control circuit from BL ON to U6 or U6 is damaged N N Y Y Repair the power supply The inverter is damaged Check if the pow...

Page 32: ...UA31 Repair the UA31 power supply Check the set of volume Mute is normal Rest it Check signal output of UA31 is normal Y N Check external speaker N Y Repair the circuit between U6 and UA31 or U6 is il...

Page 33: ...source Y Check if U3 pin3 10 18 23 for 3 3Vor 3v Check the power supply circuit Y N Check if U3 pin6 7 has data for I2C N Y Check if U3 pin12 13 have data N Check the circuit from U3 pin12 13 to U6 a...

Page 34: ...ng No signal Do auto adjust process Check if the R G B input signal of U6 is normal Do reset process on the menu Y N Check the circuit of R G B input Check if the signal of V sync H sync is OK Check t...

Page 35: ...as the signal HDMI does not has the signal CVBS does not has the signal Change U6 Check the circuit between AV5 and U6 1 HDMI interface false welding 2 System setting wrong do reset Check signal of U6...

Page 36: ......

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