Haier LED46T3 Service Manual
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Haier LED46T3 Service Manual

Haier LED46T3 Service Manual

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This service information is designed for experienced repair technicians only and is not designed for use 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 with in this service information by anyone else could result in serious injury or death.
SERVICE MANUAL
Model No.
Service mode.
WARNING
©2010 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
Order No.
LED LCD TV
LED46T3
LED46T3a
MTK5305
TV1001S013V0
Chassis

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  • Page 1 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 with in this service information by anyone else could result in serious injury or death. ©2010 Qingdao Haier Electronics Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    Service Manual Model No.: LEA46T3 CONTENTS Chapter 1.General Information 1-1. Document Information ............... 3 1-2. General Guidelines ................3 1-3. Important Notice ................... 3 1-3-1. Follow the regulations and warnings ............. 3 1-3-2. Be careful to the electrical shock ............3 1-3-3.
  • Page 3 Service Manual Model No.: LEA46T3 4-3-1. Function description:................14 4-3-2. Connector defi nition: ................14 4-4. LCD Panel ..................... 15 4-4-1. Function Description: Display the signal..........16 4-4-2. Connector defi nition: ................16 Chapter 5. Installation Instructions 5-1. External Equipment Connections ..........

  • Page 4: Chapter 1.General Information

    Service Manual Model No.: LEA46T3 Chapter 1.General Information 1-1. Document Information Document format: Adobe PDF Author: Compiler: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: About Lead Free Solder (Pbf)

    Service Manual Model No.: LEA46T3 techniques should be used to help reduce the incidence of component damage caused by electros static discharge (ESD). Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
  • Page 6 Service Manual Model No.: LEA46T3 a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver. CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard.

  • Page 7: Ordering Spare Parts

    Service Manual Model No.: LEA46T3 13. Use only an anti-static type solder removal device. Some solder removal devices not classifi ed as "anti-static" can generate electrical charges suffi cient to damage ES devices. 14. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

  • Page 8: How To Read This Service Manual

    Service Manual Model No.: LEA46T3 1-4. How to Read this Service Manual 1-4-1. Using icons: Icons are used to attract the attention of the reader to specific information. The meaning of each icon is described in the table below: Note: A “note”...

  • Page 9: Chapter 2. Specifi Cation

    Service Manual Model No.: LEA46T3 Chapter 2. Specifi cation 2-1. Specifi cation list Model LEA46T3 Screen size 46 inch Aspect ratio 16:9 Resolution 1920*1080 Response Time(ms) 6 ms Angel of view Contrast 5000:1 Brightness 450cd/m2 OSD language English etc. Color system ATSC/NTSC Audio system BG\DK\I\L...

  • Page 10: External Pictures (Four Faces)

    Service Manual Model No.: LEA46T3 2-2. External pictures (four faces) Front Side Left Side...

  • Page 11: Chapter 3. Disassemble And Assemble

    Service Manual Model No.: LEA46T3 Back Side Chapter 3. Disassemble and Assemble 3-1. Remove the Stand 1. Lay down the unit so that back cover faces upward 2. Remove the Five screws from the back cover which are indicated with the circles in the picture above.

  • Page 12: Remove The Power Cord

    Service Manual Model No.: LEA46T3 3-2. Remove the Power Cord 2. Then remove the back cover from the unit. Remove the screw indicated by the red circles in below picture. Then remove the power cord. 3-4. Remove the Mainboard Remove the five screws indicated by the red circles in below picture.

  • Page 13: Remove The Keypad

    Service Manual Model No.: LEA46T3 3-8. Remove the Stand backstop Remove the six screws indicated by the red circles in below picture. Take out the stand backstop. 3-6. Remove the Keypad The Keypad is conglutinated with front frame , just uncover the keypad gently. Then remove the keypad.

  • Page 14: Chapter 4. Location Of Controls And Components

    Service Manual Model No.: LEA46T3 Chapter 4. Location of Controls and Components 4-1. Board Location Parts number Description A Board PANEL B Board Power Board C Board Mainboard 4-2. Main Board CND4 CND5 CND3 CON2 CNA1 CNE2 CNE1...

  • Page 15: Function Description

    Service Manual Model No.: LEA46T3 4-2-1. Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. 4-2-2. Connector defi nition Main board connector Speaker connector (CON2) Keypad Connector (CNE2) Pin number Signal name Pin number Signal name...
  • Page 16 Service Manual Model No.: LEA46T3 CNM801 Pin number Signal name +12V +12V +12V +5VSB EXT_DIM PS-ON INT_DIM BL_ON 4-4. LCD Panel...
  • Page 17 Service Manual Model No.: LEA46T3 4-4-1. Function Description: Display the signal. 4-4-2. Connector defi nition: CND5 Connector Pin number Symbol Description DC Power Supply DC Power Supply DC Power Supply DC Power Supply DC Power Supply Ground Ground Ground Rx1[0]N LVDS Signal - Rx1[0]P LVDS Signal +...
  • Page 18 Service Manual Model No.: LEA46T3 Pin number Symbol Description Rx3[0]N LVDS Signal - Rx3[0]P LVDS Signal + Rx3[1]N LVDS Signal - Rx3[1]P LVDS Signal + Rx3[2]N LVDS Signal - Rx3[2]P LVDS Signal + Ground Rx3CLK- LVDS Clock - Rx3CLK+ LVDS Clock + Ground Rx3[3]N LVDS Signal -...
  • Page 19 Service Manual Model No.: LEA46T3 CND3 Connector Pin number Symbol Description DC Power Supply DC Power Supply DC Power Supply DC Power Supply DC Power Supply Ground Ground Ground Rx2[0]N LVDS Signal - Rx2[0]P LVDS Signal + Rx2[1]N LVDS Signal - Rx2[1]P LVDS Signal + Rx2[2]N...
  • Page 20 Service Manual Model No.: LEA46T3 Pin number Symbol Description Rx4[1]P LVDS Signal + Rx4[2]N LVDS Signal - Rx4[2]P LVDS Signal + Ground Rx4CLK- LVDS Clock - Rx4CLK+ LVDS Clock + Ground Rx4[3]N LVDS Signal - Rx4[3]P LVDS Signal + Rx4[4]N LVDS Signal - Rx4[4]P LVDS Signal +...
  • Page 21 The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus. The mains plug or appliance inlet is used as the disconnect device, remain it readily operable during the apparatus normal use. EN-1 Haier LED HDTV...
  • Page 22 Energy Star compliant By being Energy Star compliant you are assured that your Haier model is helping the environment by using less energy while saving you money. ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S.
  • Page 23 SAVE THESE INSTRUCTIONS Thank you for purchasing the Haier product. This easy-to-use manual will guide you in getting the best use of your product. Remember to record the model and serial number. They are on label in back of the unit.
  • Page 24 Select the desired program ..........15 Select the desired sound..........15 Mute..................15 Video menu ............15 How to select picture mode........... 15 How to customize your own picture status....16 PC Set..................17 Audio menu............17 How to select audio mode..........17 Haier LED HDTV EN-4...
  • Page 25 5 POWER Press to turn on and off the TV. Receivers IR signals from the remote control. 6 Remote Sensor Do not put anything near the sensor, which may block the remote control signal. 7 Power indicator EN-5 Haier LED HDTV...
  • Page 26 Headphone audio output terminal. jack Connect a HDMI device to receive digital audio HDMI In and uncompressed digital video. Connect a USB flash drive to view MPEG2 videos, C USB input JPEG images or listen to MP3 songs. Haier LED HDTV EN-6...

  • Page 27: Introduction

    Press again to return to the program. Q CH.LIST Open the channel list in TV. R FAV.LIST Press to open the favorite channel list in TV. S ARC(Aspect Ratio Control) Press to change the aspect ratio. EN-7 Haier LED HDTV...

  • Page 28: Installation

    If the antenna needs to be split for two TV’s, install a “2-Way Signal Splitter” in the connections. To install the antenna properly please contact a professional in your area. Note All cables shown are not included with the TV. Haier LED HDTV EN-8...

  • Page 29: Choose Your Connection

    VCR. (Refer to the VCR owner’s manual.) in the figure. Select the input source with using the INPUT button on the remote control, and then press button to select the source, press ENTER button to confirm. External A V Source Setup EN-9 Haier LED HDTV...

  • Page 30: Connecting A Dtv (Digital Tv)

    Audio IN port for audio connections, depending on How to use your computer connector. Turn on the digital set-top box. (Refer to the owner’s If the graphic card on the computer does not manual for the digital set-top box.) Haier LED HDTV EN-10...

  • Page 31: Hdmi And Dvi Input

    If the source device has an analog audio output The synchronization input form for Horizontal and connector, connect the source device audio output to Vertical frequencies is separate. DVI Audio In port located on the left side of HDMI port. EN-11 Haier LED HDTV...

  • Page 32: Connecting Headphones

    Use the AC polarized line cord provided for operation on AC. Insert the AC cord plug into a standard polarized AC outlet. Note Never connect the AC line cord plug to other than the specified voltage. Use the attached power cord only. Haier LED HDTV EN-12...

  • Page 33: Operation

    / ENTER button and then use button Press / ENTER button to select Tuner. to select Language. Press button to select language. Press button to select Cable or Antenna ( English, Spanish or French) mode. Press button to select Channel Scan. EN-13 Haier LED HDTV...

  • Page 34: Channel Skip

    / ENTER button and then use button to select Channel Skip. Press button to select a channel, then press 1.Time shift time. The time delay to the current program ENTER button to toggle between and . time. Haier LED HDTV EN-14...

  • Page 35: Select The Desired Program

    Press CH+ button to select a channel number in The picture mode provides the pre-defined images number increasing direction. settings: Standard, Vivid, Custom and Mild . Press CH- button to select a channel number in Press MENU button and then use button to EN-15 Haier LED HDTV...

  • Page 36: How To Customize Your Own Picture Status

    Channel Tint Function Allows you to select the color mix (Tint) of the picture. Lock Sharpness Select EXIT Back This will adjust the sharpness of fine details in the MJC Demo picture. Note Haier LED HDTV EN-16...

  • Page 37: Pc Set

    H Position V Position Audio Press / ENTER button and then use button Phase to adjust the setting. Clock Function Lock Balance Adjust to emphasize left or right speaker balance. Bass ENTER Adjust Select EXIT Back EN-17 Haier LED HDTV...

  • Page 38: Sap Broadcasts Setup

    Each time you press SAP button, Mono, Stereo or SAP appear. If other languages are available on the button to select OSD transparency. digital signal, select them with the SAP button. Press button to select Low, Middle or High. Haier LED HDTV EN-18...

  • Page 39: Dpms

    Digital Closed Caption Digital Caption Style Audio Time Setup Select EXIT Back Channel Function Date/Time: Press VOL+/ ENTER button to enter the Lock submenu. Closed Caption Select EXIT Back Press button to select Analog Caption VOL+/- EN-19 Haier LED HDTV...

  • Page 40: Lock Menu

    (Children 7 years older) Font Color: To adjust the font color: White, Green, TV-G (General audience) Blue, Red, Cyan, Yellow, Magenta and Black. Font Opacity: To adjust the font opacity: Solid, TV-PG (Parental guidance suggested) Translucent and Transparent. Haier LED HDTV EN-20...

  • Page 41: Lock Setup

    L (Language - (applies to TV-PG, TV-14, TV-MA) select Lock menu. adult language) S (Sex - sexual Press / ENTER button and then use button (applies to TV-PG, TV-14, TV-MA) situations) to select Channel Block. EN-21 Haier LED HDTV...
  • Page 42 “TV-Y” category, then all the categories in the “young adult” group will be blocked (TV-Y, Press / ENTER button and then use TV-Y7, TV-G, TV-PG, TV-14 and TV-MA). button to select the rating. Haier LED HDTV EN-22...

  • Page 43: Other Functions

    (if information is Cancel available from the station). Press VOL+/- button to select OK or Cancel then OK to Note confirm. If OK, the parameter will return to the factory set. EN-23 Haier LED HDTV...

  • Page 44: Quick Program View

    Service. The other service subchannels are not pre- assigned. It is up to the discretion of the individual Closed Captions caption provider to utilize the remaining service channels. Closed captioning is a process which converts the Note Haier LED HDTV EN-24...

  • Page 45: Usb Input

    Plug-in an external storage device into USB port. Information Short/Medium/Long Press USB button on the remote to display Press MENU button to display the option list. multimedia. Press ENTER button on the remote to display the sub page. EN-25 Haier LED HDTV...

  • Page 46: To Play Music

    Press button to select folder or file, and then press ENTER button to enter the play interface. Press MENU button, and the press to select Media Type , Press ENTER and press to select Haier LED HDTV EN-26...

  • Page 47: Universal Remote Control

    2. Repeat Screen Mode no data, then LED will not blink. 3. Show Info Default init status: TV/Haier codeset. Press the button on the remote control to select the adjusted item, press ENTER button to confirm. Manually Programming the Control 1.
  • Page 48 3, so then led will blink three times and remains OFF. After searching the entire data base, this mode will be Blink Freq is 1 HZ. automatically exited and led will blink for 3 times in Haier LED HDTV EN-28...

  • Page 49: Remote Control Codes

    3 seconds, the LED will blink 3 times and turn off, Durabrand 053 097 137 341 335 338 Dwin 322 334 default Haier codeset (001) will be programmed to the Electroband control. Electrograph Electrohome 058 059 060 062...
  • Page 50 055 059 060 061 062 063 065 071 181 320 331 349 350 258 Totevision 076 352 181 Philips 040 041 042 043 044 045 046 055 059 060 063 065 071 089 090 091 096 160 162 164 169 259 Trutech Haier LED HDTV EN-30...
  • Page 51 000 001 002 003 004 005 006 049 052 055 056 057 060 061 065 076 081 092 094 097 109 112 114 Greenhill 126 127 128 146 147 148 155 230 231 232 316 317 318 335 Grundig Sungale EN-31 Haier LED HDTV...
  • Page 52 Sansui 008 045 102 108 114 Gradiente 008 032 Sanyo 012 028 029 073 119 Harley Davidson Scott 010 018 Harman/Kardon Sears 008 013 028 030 031 112 120 Headquarter Sharp 022 023 052 090 096 Haier LED HDTV EN-32...
  • Page 53 000 013 014 095 Memorex 024 044 Lasonic Motorola 000 003 005 008 039 040 042 043 059 071 Movie Time Magnavox 022 073 Multitech Memorex MicroGem NET Brazil Mitsubishi 017 063 Motorola 090 093 Next Level EN-33 Haier LED HDTV...
  • Page 54 103 Prima Boston Acoustics 104 Proscan California Audio Labs 105 Qisheng Cambridge Sound Works 241 106 Quasar Capetronic 107 RadioShack 108 RCA 048 049 050 051 151 137 234 283 319 320 321 332 Carver 318 322 Haier LED HDTV EN-34...

  • Page 55: Maintenance

    Please be sure not to use a wet cloth. yourself according to the instructions listed hereunder before contacting the after-sales service for technical assistance. Extended Absence EN-35 Haier LED HDTV...

  • Page 56: Warranty

    Page 20 for adjustments. Warranty Verify if correct channel is selected. No picture This Haier brand product, when shipped in its original Adjust the antenna. in some container, will be free from defective workmanship and Make adjustments by Fine Tune and...
  • Page 57 Haier be liable, or in any way responsible for incidental or consequential economic or property damage. Some states do not allow the exclusion of incidental or consequential damages, so that above exclusion may not apply to you.
  • Page 74 Keypad Assembly...
  • Page 75 Service Manual Model No.: LEA46T3 Chapter 8. Measurements and Adjustments 8-1. Service Mode 8-1-1.How to enter into Service Mode The way to the factory mode menu: 1st, press menu, 2en, input 8893, Finished these operations ,system will be into the factory mode menu. At the end of the main factory menu, you can see the edition of the software, like this”...
  • Page 76 Service Manual Model No.: LEA46T3 8-2-2. Video Color Temperature This page is control the Color Temperature, and the picture size. Picture Mode This page is control the picture effect , like Brightness,contrast,color,sharpness.
  • Page 77 Service Manual Model No.: LEA46T3 8-2-3. Audio This page is control the sound effect ,from 100Hz to 10KHz. 8-2-4. Software UpDate NOTE : After software update ,turn to the Factory In this page , you just consider the software Setting 1 page reset all. update function.Plug USB into the 1st USB port ,select "SOFTWARE UPDATE"...
  • Page 78 Service Manual Model No.: LEA46T3 Chapter 9. Trouble shooting 9-1. Simple check Verify if the television is properly plugged Verify if the television is properly supplied power No picture/ No sound Verify if electricity is available. Verify if correct signals are input Press INPUT button to change signal input to TV input Blank screen Restart the television of power supply is interrupted...
  • Page 79 Service Manual Model No.: LEA46T3 9-2. Power Supply Board Failure Check. State:No picture First,check cables which connect with PSU,then check as follows Check input voltage voltage: +5VSB----POWER ON(2.6V) -----+12V +12V CN10 Power +12V 5VSTB PB-ADJUST R350 PW_ON/OFF-INV R341 PB-ON/OFF 5VSTB R232 R212 2.2K...
  • Page 80 Service Manual Model No.: LEA46T3 9-3. Mainboard Failure Check Symptom: No Sound No Sound (All Mode) Fail Check the input Change Source input Source Pass Fail Check Re-soldering or change input/output IC U13 Pass Fail Check Re-soldering or change input/output IC U55 Pass Fail...
  • Page 81 Service Manual Model No.: LEA46T3 9-4. Pannel Failure Failure Mode...
  • Page 82 Service Manual Model No.: LEA46T3...
  • Page 83 Service Manual Model No.: LEA46T3...
  • Page 84 Service Manual Model No.: LEA46T3...
  • Page 85 Service Manual Model No.: LEA46T3...
  • Page 86 Sincere Forever...

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