TCL L28E3500 Service Manual
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TCL L28E3500 Service Manual

TCL L28E3500 Service Manual

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SERVICE MANUAL
1. Caution
2. Specification
3. Alignment Procedure
4. Block Diagram
5. Scheme Diagram
6. PCB Layout
7. Trouble Shooting
8. Explode Diagram
9 BOM List
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product
TCL
L28E3500 MS82MT-LA
2
6
7
2
2
27
35
36

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Summary of Contents for TCL L28E3500

  • Page 1 SERVICE MANUAL L28E3500 MS82MT-LA 1. Caution 2. Specification 3. Alignment Procedure 4. Block Diagram 5. Scheme Diagram 6. PCB Layout 7. Trouble Shooting 8. Explode Diagram 9 BOM List This manual is the latest at the time of printing, and does not...
  • 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 EM BUSINESS CENTER FTV PRODUCT MANAGEMENT DEPT. SPECIFICATION RELEASE Version: V2.1 Issued Date: 2013.03.27 Model:L28E3500/MS82MT-LA PICTURE Category LCD TV Yes (Natural Light Engine ‖) Naturalight Technology Dynamic Contrast Color Temperature Warm / Normal / Cold Backlight Adjustable SIGNAL FORMAT CAPABILITY...
  • Page 7 TCL Multimedia Technology Holdings Ltd. R&D Center Alignment Procedure MS82MT-AP/LA Chassis Version: 1.0 Release Date: 2013-03-26 PREPARED BY: Kangwei DATE: 2013-03-26 APPROVED BY: DATE:...

  • Page 8: Table Of Contents

    5. Chip list of software programming before SMT 6. Appendix 6.1 Software upgrading through USB 6.2 Check software version, release date and Project ID 6.3 FAQ History Description of major changes Release Date V1.0 2013-03-26 Chassis Model MS82MT-AP/LA L28E3500 etc PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE...

  • Page 9: General Description

    MS82MT-AP/LA Chassis Aliment procedure General Description S82MT-AP/LA is our latest design especially for LCDTV products selling in Asia Pacific (AP) and Latin America (LA) market. It features by its high integration, easy debugging as well as convenience in terms of maintenance. Fast software upgrade through USB disk facilitates both manufacture and after-sale service.

  • Page 10: Factory Menu

    MS82MT-AP/LA Chassis Aliment procedure 2.2 Factory Menu Factory Menu Name Default Description Status Factory Menu shortcut button switch HOTKEY The item must be disabled (OFF) after production WARM- OFF: Normal mode. Display blue screen when no signal. Turn to automatically standby mode if keep the signal unavailable over 15 minutes.

  • Page 11: Adc Calibration Menu

    MS82MT-AP/LA Chassis Aliment procedure 2.3 ADC calibration menu ADC Menu Press the button in remote control to select certain item and to change the value of ADC data or start ADC calibration. Notes: 1. Only YPBPR and RGB source should be calibrated. ADC Calibration menu Name Default...

  • Page 12: White Balance Adjustment

    MS82MT-AP/LA Chassis Aliment procedure 2.4 White Balance Adjustment menu White Balance menu Press the button in remote control to select certain item and to adjust White Balance White Balance Adjustment menu Name Default Description Status Source Select the source you intend to apply WB adjustment. Only HDMI1, AV1, YPBPR, PC and should be adjusted.

  • Page 13: Design Menu

    MS82MT-AP/LA Chassis Aliment procedure 3 Factory Main Menu 3.1 Accessing way: 1. In the first place, press Menu button of remote control, then select Contrast item of Picture submenu. Finally, press 1, 9, 5, 0 consecutively. 2. When the DESIGN HOTKEY item of Design Menu is enabled (ON), press Return button of remote control.

  • Page 14: Shop Menu

    MS82MT-AP/LA Chassis Aliment procedure Contain many options which can be chosen according to the requirements of customers as default settings when leave factory. Press the button in remote control to select certain item and to toggle among the available options.. SHOP MENU Name Default...

  • Page 15: Other Menu

    MS82MT-AP/LA Chassis Aliment procedure Press the button in remote control to select certain item and to toggle among the available options.. Other Menu Name Default Description Status VIF1 Exclusively used by R&D. VIF2 Exclusively used by R&D. VIF3 Exclusively used by R&D. QMAP Exclusively used by R&D.

  • Page 16: Service Menu

    MS82MT-AP/LA Chassis Aliment procedure ON: enable teletext OFF: Disable teletext 3.4 SERVICE MENU Press the button in remote control to select certain item and to toggle among the available options.. SERVICE MENU (Product Info) Name Default Description Status SW NO. Software virtual code of Main Software DATE Release date, time...

  • Page 17: Param Setting Menu

    MS82MT-AP/LA Chassis Aliment procedure ERROR CODE TCL_LOGO Display TCL Logo or not. On : display, Off: not display LOGO_LIGHT TCL_SHOW DEMO function ON/OFF 3.5 PARAM SETTING MENU Press the button in remote control to select certain item to enter menu.

  • Page 18: Hotel Menu

    MS82MT-AP/LA Chassis Aliment procedure 3.6 HOTEL MENU Press the button in remote control to select certain item and to enter submenu. HOTEL MENU Name Default Description Status POWER LOGO select LOGO CH LOCK Channel scan lock. MAX VOL Max volume AUTO SET The switch of PIC, SOUND etc.

  • Page 19: Steps Of Debugging

    MS82MT-AP/LA Chassis Aliment procedure 4. The steps of debugging 4.1 Device Color Analyzer CA-210. Video Pattern Generator Chroma2329. Color TV Pattern Generator PM5418, VGA cable, AV cable(RCA),YPBPR(RCA) cable. 。 Chroma2329 Fluke5418 CA-210 4.2 steps of debugging ： According to the requirement of order, we suggest take the below steps to finish the appropriate settings.

  • Page 20: White Balance Adjustment

    MS82MT-AP/LA Chassis Aliment procedure Ⅱ.steps of debug: 1) Access to the Factory menu->ADC 2) Select PC source 3) Select AUTO ADC，Press button in your remote control to calibrate the ADC automatically. 4) Select YPBPR source 5) Repeat step 3. 6) When the OK appears the calibration has been finished successfully.
  • Page 21 In addition to select COLORTEMP COOL/WARM, the adjustment method of COOL and WARM color temperature is same with that of NORMAL. The color coordination we recommend is as follows: Device：CA-210； Accuracy：±0.015 Model WARM NORMAL COOL 0.294 0.277 0.256 L28E3500 0.305 0.293 0.268 0.280 0.265 0.250 L24E3500 0.300 0.285 0.265 0.290...

  • Page 22: White Balance Adjustment (Automatically)

    4.5 ADC Calibration and White Balance Adjustment (automatic) The process of adjusting ADC and White Balance automatically is out of the range of this file. Please refer to the relevant technical file of HuiZhou factory of TCL 5. Chip list of software programming before SMT Following chips must be programmed before SMT by ALL-11 or other tools.

  • Page 23: Appendix

    MS82MT-AP/LA Chassis Aliment procedure Appendix: 1. Software upgrade through USB disk 1) Please ensure the software you are using has a correct file name TCL_MS82_UPDATE.bin, then copy it to the root directory of a USB disk. 2) Insert the USB disk to the USB socket of the set for which you are going to upgrade program.

  • Page 24: Check Software Version, Release Date And Project Id

    MS82MT-AP/LA Chassis Aliment procedure 2. Check software version, release date and Project ID After upgrading, sometimes you may not certain whether the new software has been successfully updated or not. In this case, you can check the software version and release date in Factory Main Menu to make sure the success of upgrading. In addition, for the convenience of software management, many models of same chassis may share a same software, but are allocated with different Project ID.
  • Page 25 MS82MT-AP/LA Chassis Aliment procedure Product Information Check product information Remote Control name Power Supply name Audio Channel number Change project ID PRELIMINARY INFORMATION ----- SUBJECT TO CHANGE...

  • Page 26: Faq

    MS82MT-AP/LA Chassis Aliment procedure 3. FAQ 1) Why there is no picture after upgrading software or changing project ID? It may be caused by fault of project ID. You can try below method to fix the problem. a. If the resolution of the panel of your set is 1366×768(HD panel), you can press Menu, and 4976 of remote control in series after turning on.
  • Page 27 0BAV99 R120 close to P100 R119 KEY_IN SBU : C134 TCLNO: ..... TCL Thomson Electronics Singapore Pte. Ltd. 0.1U 8 Jurong Hall Road #28-01/06 The JTC Summit SINGAPORE 609434 DESIGNATION Tel (65) 63092900 Fax (65) 63092999 DRAWN Index-Lab DATE NAME...
  • Page 28 RF_AGC RF_AGC RT14 0.047U C205 CT32 6800P SBU : TCLNO: ..... TCL Thomson Electronics Singapore Pte. Ltd. 8 Jurong Hall Road #28-01/06 The JTC Summit SINGAPORE 609434 DESIGNATION Tel (65) 63092900 Fax (65) 63092999 DRAWN Index-Lab DATE NAME DESCRIPTION Last modif...
  • Page 29 AV IN 1 YPBPR_AV2_IN CLOSE TO SOC C318 R319 0.047U R316 AV1_V AV1_V_IN 100R CLOSE TO SOC C317 R301 C315 C320 AV1_L R313 AV1_L_IN R321 0.1U C314 470R R303 HD_R HD1_R_IN C316 R318 BT3906 R302 AV1_R Q302 AV1_R_IN C310 C302 R304 Q301 AVOUT1_V_OUT...
  • Page 30 P401 GND10 P402 close to soc VGA_TX VGA_R RX2+ VGA_TXD GND1 H1_RX2+_IN R426 C406 VGA_RED 0.047U VGA_RED_IN H1_RX2-_IN RX2- VGA_SDA RX1+ H1_RX1+_IN VGA_G VGA_SDA C401 H1_RX1-_IN GND2 R425 0.047U VGA_GRN RX1- VGA_GRN_IN VGA_B C402 VGA_SOG_IN R410 4700P RX0+ VGA_HS R409 VGA_HS GND3 100R...
  • Page 31 TCON4 SBU : 120R X24M R515 CLOSE TO IC TCLNO: ..... TCON2 TCL Thomson Electronics Singapore Pte. Ltd. M_XTALI C521 8 Jurong Hall Road #28-01/06 The JTC Summit SINGAPORE 609434 DESIGNATION Tel (65) 63092900 Fax (65) 63092999 Index-Lab DATE NAME...
  • Page 32 R601 C602 AMP_R_OUT 100R OUTRP C601 1000P C609 R602 -INV1 C603 0.1U P601 100U 16V SGND R_GND SPK_R+ SVRR SPK_L+ L_GND P602 OUTRP OUT1 C604 PGND 220U OUTLP OUTLP OUT2 C605 220U C610 M/SS C607 C606 C608 0.1U 470U -INV2 1000P 0.1U TDA1517P...
  • Page 33 R705 R721 LV_SEL LV_SEL MGD_EN SBU : TCLNO: R706 ..... R722 TCL Thomson Electronics Singapore Pte. Ltd. 8 Jurong Town Hall Road #28-01/06 The JTC Summit SINGAPORE 609434 DESIGNATION Tel (65) 63092900 Fax (65) 63092999 DRAWN Index-Lab DATE NAME DESCRIPTION...
  • Page 34 Power OK, backlight OK,no picture Check the voltage of Replace R270 pin ‘s’ of q208 and R271 Check the voltage of ‘g’ of Check the output of Q208 Q208 OR replace Q208 Measure the wave of Check the supply of U201 LVDS signal Replace panel...
  • Page 35 TV no picture Measure the wave Check the voltage of repair the circuit of of pin 8,9 of U1 pin 6 ,7 of u1 U101 and Q102 Check the circuit measure the wave of between U1 and Check the U201 SDA and SCL U201 Replace u1...
  • Page 36 AV no picture Upgrade Software of U202 ok? Replace Check the components the bad between AV port and U201 Replace Check U201 ok? U201 VGA/YPbPr no picture Check the peripheral components of U201 Check the components between Replace VGA/YPbPr port and U201 the bad Replace the bad...
  • Page 37 Picture OK, all source no sound Check the voltage of Repair the 12v supply pin 3,13 of U602 Check the pin 6 of u602 Check q607,q608,q609 Check the pin 7 of u602 repair R691 and R692 Check the wave of PIN 4,12 of U602 check u601 and volume control Replace U602 or replace...
  • Page 38 Standby +5.0VSB OK, +5.0V NG Check the voltage of Check before Q305 pin ‘s’ of q305 Check the voltage of ‘g’ of Check the output of Q305 Q305 OR replace Q305 Check U303,U304 short to Gnd Replace the bad...
  • Page 39 The picture bad Replace the wire from P202A to t-com Replace the Replace panel chassis Check the circuit between p202a and U201 Upgrade the software...

This manual is also suitable for:

Ms82mt-laMs82mt-ap

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