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TCL LED28T3520 Service Manual
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TCL LED28T3520 Service Manual

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LED28T3520-MS82L-LA
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Summary of Contents for TCL LED28T3520

  • Page 1 LED28T3520-MS82L-LA ……………………………………………… ………………………… …………………………………………………………………… ………………………………………………………… ………………………………………………………………… …………………………………………………………… ……………………………………………………………… om list … … … … … … … … … … … … …… …… … … … … … … … … …...
  • Page 2 SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.
  • Page 6 TCL MULTIMEDIA TV SPECIFICATION RELEASE Version: V1.0 Issued Date: 2012.07.31 Model: LED28T3520/MS82L-LA PICTURE Panel Size (inch) 28" Category LCD TV Aspect Ratio 16:9 Color Temperature Normal/Warm/Cool SIGNAL FORMAT CAPABILITY Backlight Adjustable Component Video Format Y,Pb/Cb,Pr/Cr:up to 1080P Scaler Mode Full,Subtitle,Wide Screen,4:3,Nature,Original...
  • Page 7 CRT/SJ/FK02-2010 Alignment Procedure VERSION V1.0 PREPARED BY : Xiongzp DATE : 2012-12-25 APPROVED BY : DATE :...
  • Page 8 History Description of major changes Release Date V1.0 2012-12-25...
  • Page 16 EN25Q32...
  • Page 19 F705 F704 F703 F702 F701...
  • Page 20 POWDN REXT GND2 VCC2 SCL1 SDA1 I2C_RST...
  • Page 21 R241...
  • Page 22 T T T...
  • Page 23 GND/ADJ...
  • Page 24 0.1U C633 0.1U C631 VDDDIG2 GNDDIG2 TESTMODE INTLINE PWDN RESET LRCKI BICKI 0.1U C608...

  • Page 26: Troubleshooting

    Trouble shooting Can not switch on no switch on Check 3.3V/12V/24V of power supply Check PW Only 3.3V Check signal P—ON Check DC-DC DIMBL—ON of main IC link part,check to PW Check the peripheral circuit of mail IC,check solder of Check reset Check IIC bus main IC,check data fo NVM...
  • Page 27 2 abnormal picture Abnormal picture Individual signal source All signal source bad Check the path with this Check panel ID signal source Check LVDS signal to main Check the peripheral circuit IC check LVDS cable? of mail IC,updating SW,reset NVM,replace main IC Check crystal frequence...
  • Page 28 Abnormal sound Abnormal sound Individual sound Check all sound signal source source Check the sound signal Check sound IC link to main IC Check the power of Check the peripheral Check wave filter and sound IC circuit of main IC,SW speaker Check the mute function...