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Shivaki SZTV-40LED6T2 Service Manual

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SHIVAKI
LED TV SERVICE MANUAL
:
CUSTOMERS Model Name
SZTV-40LED6T2
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.
TABLE OF CONTENTS
1

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Summary of Contents for Shivaki SZTV-40LED6T2

  • Page 1 SHIVAKI LED TV SERVICE MANUAL CUSTOMERS Model Name SZTV-40LED6T2 Version NO.. : 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. TABLE OF CONTENTS...

  • Page 2: Table Of Contents

    RECORDS OF REVISION …………………………………………………………………………..…..03 CHAPTER 01: WARNING……………………………………………………………………………04 CHAPTER 02: SAFETY PRECAUTIONS…………………………………………………………..05 CHAPTER 03: PRODUCT ROUGH SPEC……………………\\…………………………………..06 CHAPTER 04: EEXPLODING BLOCK………………..………………………………….…………07 CHAPTER 05: MAIN COMPONENT DIAGRAM………………………………………….……..08~11 CHAPTER 06: CONNECTION INTERFACE…………………………………………...………….10 CHAPTER 07: EASY TROUBLE SHOOTING…………………………………………………13~19 CHAPTER 08: TOOUBLE SHOOTING FLOW CHART………………………………………20~27 CHAPTER 09: MAIN BOARD SCHEMATICS…………………………………………………28~38 CHAPTER 10: POWER BOARD SCHEMATICS………………………………………………….….39...

  • Page 3: Warning

    Re vision N o. Re vision Da t e Pa ge Re a son De sc ript ion 1 .0 De c .1 5 .2 0 1 0 I nit ia l Re le a se CHAPTER 1: WARNING...

  • Page 4: Safety Precautions

    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.

  • Page 5: Product Rough Spec

    No modification of any circuit should be attempted. Service worker should only be performed after going through to familiar with all of the following safety checks and servicing guidelines. 2-2. SAFETY CHECK Care should be taken while servicing this TV display. Because of the high voltage is used in the inverter circuit.

  • Page 6: Eexploding Block

    Product Rough Specification TV ID YICHANG CA1 Pnael Model CN39B21A Main Board Model MSD309.BA3T General Power model AY079D-4HF11 Information Power Consumption(Stand-by Mode) <0.5W Power Consumption(TOY) Power Input Voltage 110-240V~ Power Rated Input Freq 50/60Hz Video System PAL ;SECAM Sound System BG;DK,I,L/L' ;NICAM/A2 Max Storage Channel 100CH...
  • Page 8 CHAPTER 5: MAIN BOARD CONNECTION 5-1: Main Board TOP View 5-2: Main Board Botton View...

  • Page 9: Connection Interface

    5-3: Main Board Connection...
  • Page 12 HAPTER 6 : POWER BOARD CONNECTION 6-1： Power Board TOP Review...
  • Page 13 6-2: Power Board Connection CON1: AC INPUT(100-240V~)

  • Page 15: Easy Trouble Shooting

    CHAPTER 7: EASY TROUBLE SHOOTING 7.1 Troubleshooting for Common Use Note: Before opening the cabinet and working on the repairs, please read the troubleshooting and Q&A attached in theuser’s manual, which has covered most of the problems caused by unproper using or settings to the TV set.
  • Page 16 parts of the television. The troubleshooting guides given below base on the situation in which the TV’s functions are set and used properly.Plus, if the easy troubleshooting can not help, please work on the repairing according to the procedures given in chapter 5,Exception Handles.Check the connection and condition of wires and inlets that relate to power board, including the AC power inlet, the power incoming wire, wires between power board and mainboard, etc.
  • Page 17 the slots. Unstable power supply can also cause serious display problem. If the display problem only happens in one input mode, that may be caused by wrong version software. Update the new software. If that can’t help, change the main board for a try. Bad LVDS cable and inappropriate panel driving voltage is still the biggest factor of this problem.
  • Page 18 Check the resistances that locate on the keyboard PCB. Watch if there is wrong or broken ones. Also, the poor soldering of fake solder should be concerned and checked carefully. Check the other components of keyboard(such as capacitances and microswithes) are wrong or bad. Check whether there is a jam at the sound hole in front cabinet.

  • Page 19: Toouble Shooting Flow Chart

    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, that is usually caused by wrong software. Please update the latest and correct software for a try. If you can’t ensure where the problem comes from, change the keyboard for a try.
  • Page 24 8.2: Power Board Trouble Shooting Guide...
  • Page 25 HAPTER 9: MAIN BOARD SCHEMATICS...
  • Page 54 CHAPTER 10: POWER BOARD SCHEMATICS...
  • Page 56 CHAPTER 11: FIRMWARE UPDATE 11-1...
  • Page 66 The End...

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