background image

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D

D

C

C

B

B

A

A

DI33

NC/ICVL0518030FR

RI33

75ohm-0402-±5%-1/16W

DI32

NC/ICVL0518030FR

RI32

75ohm-0402-±5%-1/16W

DI31

NC/ICVL0518030FR

RI31

75ohm-0402-±5%-1/16W

F3

NC/110

1
2
3

4

CN16

NC/4PIN-2.0-D-H-G

USB-5V

USB0-DM
USB0-DP

YPbPr-Y

YPbPr-Pb

YPbPr-Pr

SCART-Gin

RS18

NC/75ohm-0402-±5%-1/16W

SCART-Bin

RS22

NC/75ohm-0402-±5%-1/16W

SCART-Rin

RS14

NC/75ohm-0402-±5%-1/16W

+5V-VID/

SCART-Bin

SCART-Gin

SCART-Rin

RQ44

NC/200Kohm-0402-±5%-1/16W

RQ45

NC/200Kohm-0402-±5%-1/16W

RQ46

NC/200Kohm-0402-±5%-1/16W

RQ47

NC/200Kohm-0402-±5%-1/16W

RQ48

NC/200Kohm-0402-±5%-1/16W

RQ49

NC/200Kohm-0402-±5%-1/16W

+5V-VID/

SCART-Rin/

SCART-Bin/

SCART-Gin/

CQ45

NC/1uF-0402-X5R-±20%-6.3V

CQ49

NC/1uF-0402-X5R-±20%-6.3V

CQ46

NC/1uF-0402-X5R-±20%-6.3V

CQ47

NC/1uF-0402-X5R-±20%-6.3V

CQ50

NC/1uF-0402-X5R-±20%-6.3V

CQ51

NC/1uF-0402-X5R-±20%-6.3V

YPbPr-Y

YPbPr-Pb

YPbPr-Pr

YPbPr-Y/

YPbPr-Pb/

YPbPr-Pr/

RQ43

NC/470ohm-0402-±5%-1/16W

RQ42

NC/1Kohm-0402-±5%-1/16W

+5V-VID/

VGA-VS

GND

VSIN/FB

SCART-FB/

SCART-Bin/

SCART-Gin/

SCART-Rin/

YC

9

I1C

10

I0D

14

I1D

13

YD

12

I0C

11

S

1

I0A

2

I1A

3

YA

4

I1B

6

I0B

5

YB

7

GND

8

VCC

16

E

15

UQ4

NC/SGM330A-YQS/TR-(C)

RQ41

NC/100ohm-0402-±5%-1/16W

CQ42

NC/0.1uF-0402-Y5V-+80%-20%-16V

5V-M

+5V-VID

+5V-VID

SC-VGA-SW

YPbPr-Y/

YPbPr-Pb/

YPbPr-Pr/

Pb/SC-B

Y/SC-G

Pr/SC-R

R58

33ohm-0402-±5%-1/16W

C56

0.047uF-0402-X7R-±10%-16V

Pb/SC-B-IN

Pb/SC-B

C58

1000pF-0402-X7R-±10%-50V

R60

33ohm-0402-±5%-1/16W

C59

0.047uF-0402-X7R-±10%-16V

Y/SC-G-SOG

Y/SC-G-IN

Y/SC-G

R61

33ohm-0402-±5%-1/16W

C60

0.047uF-0402-X7R-±10%-16V

Pr/SC-R-IN

Pr/SC-R

DV8

NC/ICVL0518030FR

DV9

NC/ICVL0518030FR

RV19

12Kohm-0402-±5%-1/16W

RV21

12Kohm-0402-±5%-1/16W

RV20

8K2ohm-0402-±5%-1/16W

RV18

8K2ohm-0402-±5%-1/16W

C

R

R1

L

L1

AV7

PJ-325

RV10

2K2ohm-0402-±5%-1/16W

CV10

33pF-0402-NPO-±5%-50V

RV13

100ohm-0402-±5%-1/16W

1
6
2
7
3
8
4
9
5

11

12

13

14

15

10

17

16

AV6

WLHD-051A

RV11

100ohm-0402-±5%-1/16W

RV12

2K2ohm-0402-±5%-1/16W

CV11

33pF-0402-NPO-±5%-50V

VS-VGA

HS-VGA

RV1

75ohm-0402-±5%-1/16W

RV4

75ohm-0402-±5%-1/16W

RV7

75ohm-0402-±5%-1/16W

DV5

NC/AVLC18S02003

DV4

NC/AVLC18S02003

GND

GND

RV2

33ohm-0402-±5%-1/16W

RV5

33ohm-0402-±5%-1/16W

RV8

33ohm-0402-±5%-1/16W

CV1

0.047uF-0402-X7R-±10%-16V

CV3

0.047uF-0402-X7R-±10%-16V

CV5

0.047uF-0402-X7R-±10%-16V

GND

GND

GND

GND

GND

GND

GND

VGA-RIN

VGA-GIN

VGA-BIN

VGA-HS

VGA-VS

GND

PC-LIN

PC-RIN

GND

GND

RV22

33ohm-0402-±5%-1/16W

VGA-SOG

CV14

1000pF-0402-X7R-±10%-50V

VS-VGA

HS-VGA

GND

UART-TX/DDC-SDA

UART-RX/DDC-SCL

CV12

0.1uF-0402-Y5V-+80%-20%-16V

CV13

0.1uF-0402-Y5V-+80%-20%-16V

DF41

NC/AIES12U020R2

DF42

NC/AIES12U020R2

5V-M

F2

FSMD110

USB-5V

GND

USB0-DP

USB0-DM

GND

DS3

NC/AVLC18S02003

DS4

NC/ICVL0518030FR

DS5

NC/ICVL0518030FR

DS6

NC/AVLC18S02003

DS2

NC/ICVL0518030FR

DS7

NC/ICVL0518030FR

DS8

NC/ICVL0518030FR

DS9

NC/ICVL0518030FR

DS10

NC/ICVL0518030FR

SC-LIN

SCART- FB

SCART-VIN

SCART- FS

SCART-Bin

SCART-Gin

SCART-Rin

SC-ROUT

SC-LOUT

SC-RIN

SCART-VOUT

DS1

NC/ICVL0518030FR

DS11

NC/ICVL0518030FR

RS10

NC/33Kohm-0402-±5%-1/16W

RS11

NC/10Kohm-0402-±5%-1/16W

SCART- FS

SCART-FS/

5V-M

SCART-VOUT

SCART-VOUT/

QS1

MMBT3904(f

350MHz)

RS24

33ohm-0402-±5%-1/16W

RS26

200Kohm-0402-±5%-1/16W

RS25

200Kohm-0402-±5%-1/16W

RS28

330ohm-0402-±5%-1/16W

RS27

470ohm-0402-±5%-1/16W

GND

GND

GND

SCART-VIN

SC-ROUT

SC-LOUT

SC-RIN

SC-LIN

SCART-VOUT

GND
GND

GND

GND

GND
GND

GND

GND

RI2

12Kohm-0402-±5%-1/16W

RI5

8K2ohm-0402-±5%-1/16W

RI3

12Kohm-0402-±5%-1/16W

RI6

8K2ohm-0402-±5%-1/16W

RI1

75ohm-0402-±5%-1/16W

RI7

33ohm-0402-±5%-1/16W

CI4

0.047uF-0402-X7R-±10%-16V

AV-L

AV-IN/

AV-LIN

AV-RIN

AV-IN

DI1

NC/ICVL0518030FR

DI2

NC/ICVL0518030FR

DI3

NC/ICVL0518030FR

GND

GND

GND

CI5

0.1uF-0402-Y5V-+80%-20%-16V

CI6

0.1uF-0402-Y5V-+80%-20%-16V

AV-R

GND

GND

GND

R16

NC/0ohm-0402-±5%-1/16W

R1

NC/0ohm-0402-±5%-1/16W

R34

NC/0ohm-0402-±5%-1/16W

SCART-VIN

SC-RIN

SC-LIN

YPbPr-Y

YPbPr-Pb

YPbPr-Pr

RQ56

0ohm-0402-±5%-1/16W

RQ55

0ohm-0402-±5%-1/16W

RQ54

0ohm-0402-±5%-1/16W

RQ53

0ohm-0402-±5%-1/16W

VGA-VS

VSIN/FB

Pr/SC-R

Y/SC-G

Pb/SC-B

YPbPr-Y

YPbPr-Pb

YPbPr-Pr

SCART- FB

RS9

NC/100ohm-0402-±5%-1/16W

SCART-FB/

RS8

NC/75ohm-0402-±5%-1/16W

CS6

0.1uF-0402-Y5V-+80%-20%-16V

RS3

75ohm-0402-±5%-1/16W

RS2

150ohm-0402-±5%-1/16W

CS2

0.047uF-0402-X7R-±10%-16V

SCART-VIN

SCART-VI

RS5

12Kohm-0402-±5%-1/16W

SC-LIN

SC-RIN

RS7

12Kohm-0402-±5%-1/16W

RS4

8K2ohm-0402-±5%-1/16W

RS6

8K2ohm-0402-±5%-1/16W

SC-LI

SC-RI

CS4

0.1uF-0402-Y5V-+80%-20%-16V

RS12

NC/1Kohm-0402-±5%-1/16W

POWER

1

DM

2

DP

3

GND

4

GND

5

GN

D

6

CN5

U2504M-04-E1WD-C

2

1

6

5

4

3

AV33
AV3-8.4-06(

黄、红、白

)-U

SC-ROUT/

SC-LOUT/

SC1-LOUT/

SC1-ROUT/

SC-LOUT

RS43

47Kohm-0402-±5%-1/16W

CS24

1000pF-0402-X7R-±10%-50V

RS52

100ohm-0402-±5%-1/16W

SC-LOUT/

RS51

47Kohm-0402-±5%-1/16W

CS27

1000pF-0402-X7R-±10%-50V

SC-ROUT

SC-ROUT/

RS53

100ohm-0402-±5%-1/16W

GND

2

1

AV4

AV-8.4-5(

)

SCART-VOUT

2

1

6

5

4

3

AV9

AV3-8.4-06(

黄、红、白

)-U

AV-L

AV-IN/

AV-R

2

1

4

3

6

5

AV5

AV3-8.4-06(

绿、蓝、红

)-U

CF41

10uF-0603-X5R-±20%-6.3V

CQ41

NC/10uF-0603-X5R-±20%-6.3V

CS28

10uF-0603-X5R-±20%-6.3V

CS16

1uF-0402-X5R-±20%-6.3V

CQ43

NC/1uF-0402-X5R-±20%-6.3V

CS23

1uF-0402-X5R-±20%-6.3V

CS26

1uF-0402-X5R-±20%-6.3V

AOR

1

AIR

2

AOL

3

AGND

4

BGND

5

AIL

6

B

7

SWTCH

8

GGND

9

CLKOUT

10

G

11

DATA

12

RGND

13

DATAGND

14

R

15

BLNK

16

VGND

17

BLNKGND

18

VOUT

19

VIN

20

SHIELD

21

AV8

NC/CS-116-H

Summary of Contents for SZTV-40LED6A

Page 1: ...LED TV SERVICE MANUAL Model Name Version NO 1 0 The release of this document is under controlled by the company Any extra copy of this document must be written permission by the product manager SZTV...

Page 2: ...PRECAUTIONS 05 CHAPTER 03 PRODUCT ROUGH SPEC 07 CHAPTER 04 MAIN COMPONENT DIAGRAM 07 11 CHAPTER 05 EASY TROUBLE SHOOTING 11 15 CHAPTER 06 TOOUBLE SHOOTING FLOW CHART 16 21 CHAPTER 07 MAIN BOARD SCHEMA...

Page 3: ...3 RECORDS OF REVISION Revision No Revision Date Page Reason Description V1 0 2012 11 30 All Initial Release...

Page 4: ...rnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced profes...

Page 5: ...he AC outlet Do not use an isolation transformer during this check 2 4 2 Connect a 1500 ohm 10 watt resistor paralleled by a 0 15uF capacitor between each metallic part and a good earth ground 2 4 3 U...

Page 6: ...Max Storage Channel NA DTV Teletext NA COMB Filter 3D Deinterlace 3D Audio power output 2 X 8W 8ohm THD N 10 1KHz Audio Frequency Response 100Hz 15KHz OSD Language Eng Fre Gen Ita Rus Put Other Param...

Page 7: ...7 CHAPTER 4 MAIN BOARD CONNECTION 5 1 Main Board TOP View 5 2 Main Board Botton View 5 3 Main Board Connection...

Page 8: ...8...

Page 9: ...9...

Page 10: ...10...

Page 11: ...ink that means the panel or other parts of equipment is broken most likely by unproper input voltage Ensure the input voltage of every component and then check the part that is suspected damaged The s...

Page 12: ...dark light line s on screen If the lines link together and become a bad band upgrade the software and then check the ports abd circuits of brokendownoutput mode s If the dark light line or band appre...

Page 13: ...or more details and resolution ways Check if there is anything should not exist in the speaker hollow space such as screws Noise Check if the speakers are bad Check if the antihunting EVA is broken or...

Page 14: ...e whether there is a short circuit between each soldering joint Functions of keys are out of order If a key is supposed to be able to achieve more than one functions but it can achieve not all of them...

Page 15: ...15 CHAPTER 6 TROUBLE SHOOTING FLOW CHART...

Page 16: ...16...

Page 17: ...17...

Page 18: ...18...

Page 19: ...19...

Page 20: ...20 CHAPTER 7 MAIN BOARD POWER SCHEMATICS...

Page 21: ...B5 LED LED1 LED2 LED3 LED4 LED FB 4 ODT 4 1 1 2 3 4 5 6 7 8 UB3 G D S QB4 CB15 EB4 DB1 GND RB38 GND GND CB13 OVP1 RB15 CB11 RB28 RB27 LED FB CB3 RB7 CB7 RB12 OVP1 CB2 RB14 LED GATE1 GATE1 CB9 RB30 RB2...

Page 22: ...ST GND 5V M R5 0ohm 0402 5 1 16W CD54 10uF 0603 X5R 20 6 3V CD53 10uF 0603 X5R 20 6 3V CL4 10uF 0603 X5R 20 6 3V CL1 NC 10uF 0603 X5R 20 6 3V CL44 10uF 0603 X5R 20 6 3V CL41 NC 10uF 0603 X5R 20 6 3V E...

Page 23: ...Panel GND VCC Panel VCC Panel GND GND GND GND GND RXO0 RXO0 RXO1 RXO1 RXO2 RXO2 RXO3 RXO3 RXE0 RXE0 RXE1 RXE1 RXE2 RXE2 RXEC RXEC RXE3 RXE3 C16 NC 5pF 0402 NPO 5 50V C63 NC 5pF 0402 NPO 5 50V C43 NC...

Page 24: ...V13 0 1uF 0402 Y5V 80 20 16V DF41 NC AIES12U020R2 DF42 NC AIES12U020R2 5V M F2 FSMD110 USB 5V GND USB0 DP USB0 DM GND DS3 NC AVLC18S02003 DS4 NC ICVL0518030FR DS5 NC ICVL0518030FR DS6 NC AVLC18S02003...

Page 25: ...0402 5 1 16W RH35 NC 22ohm 0402 5 1 16W 1 3 5 7 8 6 4 2 RPH1 NC 4 0ohm 0402 5 1 16W 1 3 5 7 8 6 4 2 RPH2 NC 4 0ohm 0402 5 1 16W HDMI1 5VIN 3V3 STB CH7 0 1uF 0402 Y5V 80 20 16V CH8 0 1uF 0402 Y5V 80 20...

Page 26: ...7R 10 50V CA31 NC 1000pF 0402 X7R 10 50V CA9 1uF 0603 X5R 10 25V LOUT LOUT ROUT ROUT AMP STB AVCC CA23 NC 1000pF 0402 X7R 10 50V CA5 NC 1000pF 0402 X7R 10 50V CA11 1uF 0603 X5R 10 25V CA14 1uF 0603 X5...

Page 27: ...et2 5 sclk 6 sda 7 xtal_i 8 vcc 18 vdd pll 17 avss 16 cp 15 dvdd 10 xtal_o 9 rf_in2 1 rf_in1 24 vcc 23 tf1p 22 tf1n 21 tf2p 20 tf2n 19 gnd 25 dvss 11 ifp_n 12 vagc 14 ifp_p 13 avdd 3 U3 R620D CT7 10pF...

Page 28: ...21 IR OARD KEY BOARD...

Page 29: ...update fails piease use11 1means 9 2 PC Update 2 The USB ISP to connect to the PC s USB tool port install the driver 2 1 Card upgrade the USB ISP tools through 4pin wire connected to the board CN18 b...

Page 30: ...23 3 Open ISP_Tool exe Chart 1 4 attack READ icon enter the Update interface Chart 2 5 choose Update...

Page 31: ...as follow please click OK and check the related operation Chart 6 6 2 1 1 please check if the link on the tooling is normal including the USB ISP installation right or not 6 2 2 please confirm the mai...

Page 32: ...25 6 3 1 course forUPdate As shown below Chart 8 6 3 2 successful Update Chart 9 6 3 3 If update fails try starting from the 4 update The End...

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