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CHAPTER 1:    WARNING 

 

 

 

This service information is designed for experienced repair technicians only and is   

 

notdesigned for user by the general public.It does not contain warnings 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 professional technicians.Any attempt to service or repair the product or   

 

products dealt within this service information by anyone else could result in serious   

 

injury or death. 

 

 

 

 

 

 

 

 

 

 

Содержание SZTV-40LED6A

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

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Страница 10: ...10...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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Страница 17: ...17...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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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