Tesco LCD26-M3 Service Manual
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Tesco LCD26-M3 Service Manual

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TESCO
MODEL：LCD26-M3（MSTAR109-AU）LCD32-M3（MSTAR109-AU）
Order NO.LCD0809001EN
@
(2007)(Haier Electronic Company Limited)
All rights reserved. Unauthorized copying and distribution is a
violation of law.

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Summary of Contents for Tesco LCD26-M3

  • Page 1 Order NO.LCD0809001EN TESCO MODEL：LCD26-M3（MSTAR109-AU）LCD32-M3（MSTAR109-AU） (2007)(Haier Electronic Company Limited) All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    WARNING 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.

  • Page 3: Specification

    1. Specification Model LT26R1 LT32R1 Screen size 26 inch 31.5 inch Aspect ratio 16:9 16:9 Resolution 1366*768 1366*768 Response Time（ms) 6.5ms 6.5ms Angel of view 2500:1 Contrast 2500:1 450cd/m2 450cd/m2 Brightness OSD language English etc. English etc. Color system PAL\SECAM PAL\SECAM Audio system BG\DK\I\L...
  • Page 4 THIS SYMBOL INDICATES THAT THERE ARE IMPORTANT OPERATING AND MAINTENANCE INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE APPLIANCE. IMPORTANT SAFETY INSTRUCTIONS Read all of the instructions before using this appliance. When using this appliance, always exercise basic safety precautions, including the following: 1)Save these Instructions ---the safety and operating instructions should be retained for future reference.

  • Page 5: Location Of Controls And Components

    disconnect the antenna or cable system. This will prevent damage to the product due to lighting and power line surges. 12)Never push objects of any kind into this product through openings as they may touch dangerous voltage point or short out parts that could result in a fire or electric shock. Avoid spilling liquid of any kind on the product.

  • Page 6: Lt32R1

    Parts number Description A Board 0094001125DA LCD PANEL B Board 0094001174A Power Supply C Board DC0X80E0500M Mainboard Assembly 3.1.2 LT32R1 Parts number Description A Board 0094001077DA LCD PANEL B Board 0094001177A Power Supply C Board DC0X00E0300M Mainboard Assembly...

  • Page 7: Mainboard（Lt26R1、Lt32R1

    Mainboard（LT26R1、LT32R1） 3.3 Power Board 3.3.1 Power Board(LT26R1) 3.3.1.1 Function Description: Supply power for Main board and Panel 3.3.1.2 Connector definition CN3: PIN NUMBER DESIGNATION 24V/4A 24V/4A 24V/4A...

  • Page 8: Power Board(Lt32R1)

    24V/4A 24V/4A CN4: PIN NUMBER DESIGNATION 12V/3.5A 12V/3.5A 12V/3.5A 12V/3.5A CN5: PIN NUMBER DESIGNATION ON/OFF +5V(Stand-by) 3.3.2 Power Board(LT32R1) 3.3.2.1 Function Description: Supply power for Main board and Panel 3.3.2.2 Connector definition...

  • Page 9: Lcd Panel

    CON5： PIN NUMBER DESIGNATION 5VSTB CON3： PIN NUMBER DESIGNATION +12V +12V +12V ON/OFF CON2： PIN NUMBER DESIGNATION +24V +24V +24V +24V +24V CON4： PIN NUMBER DESIGNATION +24V +24V 3.4 LCD PANEL 3.4.1 LCD PANEL (LT26R1) 3.4.1.1 Function Description: Display the signal. 3.4.1.2 Connetor defination LVDS:...

  • Page 10: Lcd Panel (Lt32R1)

    INVERTOR: 3.4.2 LCD PANEL (LT32R1) 3.4.2.1 Function Description: Display the signal. 3.4.2.2 Connetor Definition...
  • Page 11 LVDS:...

  • Page 12: Features And Techinical Description

    INVERTOR: 4. FEATURES AND TECHINICAL DESCRIPTION TFT/CRT T260XW02 VM T315XW02 VL Display area 26 inches 31.5 inches Aspect ratio 16:9 16:9 Resolution 1366*768 1366*768 Brightness 450cd/m2 450cd/m2 Contrast(Darkroom) 2500:1 2500:1 Response time(ms) 6.5ms 6.5ms Picture Analog Color system PAL\SECAM PAL\SECAM digital Color system DVB-T(MPEG2) DVB-T(MPEG2)
  • Page 13 A2 stereo Automatic Volume Control(AVC) Auto-volume leveling Mute Max volume Initial Volume Multi-audio modes Multi-sound mode Side AV input S-video jack Phone Jack YPbPr/YCbCr D-SUB jack SCART jack HDMI Semitransparent menu SCAN Color temperature PC Adjust Auto-timer on Software TELETEXT Display Mode Blue Screen Child Lock...

  • Page 14: Installation Instructions

    5. INSTALLATION INSTRUCTIONS (Note: This information is provided to help guide your installation.Hiaer assumes no liability for errors or the outcome of any installation since each project is unique and tools, materials, techniques, local codes and regulations vary and change.)Preparing for Your Installation In planning your flat-panel television install, there are some questions you'll need to ask yourself first.

  • Page 15: External Equipment Connections

    most cases, there will be wood, metal or mortar to mount the bracket to. External Equipment Connections Accessories User Manual Remote Control User Manual Battery 5.2 HDMI CONNECTIONS When the source device(DVD player or Set Top Box) supports HDMI How To Connect 1.

  • Page 16: Operation Instructions

    To get the best picture quality, adjust the output resolution of the source device to 1280x720p. Press the INPUT button to select HDMI input source in input source option of Select Main source menu. Installation Cable sample HDMI Cable (not supplied with the product) HDMI to DVI Cable ( not supplied with the product) Analog Audio Cable...

  • Page 17: Get To Know Your Remote Control

    6.2 Get to know your remote control...
  • Page 19 EXIT EXIT MENU EXIT EXIT MENU EXIT EXIT MENU SAVE EXIT EXIT MENU...
  • Page 20 SAVE EXIT EXIT MENU SAVE EXIT EXIT MENU BBC ONE Wales...
  • Page 21 EXIT MENU EXIT...
  • Page 23 EXIT MENU...
  • Page 24 EXIT MENU MENU EXIT MENU EXIT MENU EXIT MENU...
  • Page 25 EXIT MENU EXIT MENU EXIT MENU EXIT MENU EXIT MENU...
  • Page 26 EXIT MENU EXIT MENU EXIT EXIT EXIT MENU EXIT MENU EXIT MENU...
  • Page 27 Software Update function When you get the updating news from the TV channel or TV web site (if appropriate) , you can update the operating software using the Download menu. The data for various units are transferred consecutively on a special receiving channel. Software Update Do system Update You need to search the channel with updating code stream.
  • Page 28 EXIT EXIT MENU EXIT MENU MENU EXIT MENU EXIT MENU MENU...
  • Page 29 EXIT MENU...
  • Page 30 EXIT MENU MENU EXIT MENU MENU EXIT MENU MENU EXIT MENU MENU EXIT MENU MENU...
  • Page 31 EXIT MENU EXIT MENU EXIT MENU RENAME...
  • Page 32 H.I. EXIT EXIT Channel List EXIT BBC ONE Wales EXIT EXIT...

  • Page 35: Disassembly Instructions

    7. DISASSEMBLY INSTRUCTIONS 7.1.LT26R1 7.2.LT32R1...

  • Page 36: Measurements And Adjustments

    8. MEASUREMENTS AND ADJUSTMENTS 8.1 The Way to Factory Mode Menu The way to the factory mode menu: 1st, press menu, 2en, input 8893, Finished these operations ,system will be into the factory mode menu. The way to exit the factory mode menu: Press “Menu”...

  • Page 37: Circuit Diagram

    ：DTV、TV、AV、S-Video。 。 。 MODE ：Normal、Cool、Medium、Warm Temperature ：117 R-GAIN ：117 G-GAIN ：119 B-GAIN ：131 R-OFFSET ：131 G-OFFSET ：131 B-OFFSET ：No available COPY ALL SSC ADJUST ：Off、On SSC MIU ：350 MIU SPAN ：200 MIU STEP ：Off、On SSC LVDS ：350 LVDS SPAN ：200 LVDS STEP AUDIO CURVE ：0（0-30）...
  • Page 38 Back light control LVDS Main Audio Audio Out PCMCIA TPA3121 MP2261 MP2261 5V-1 MSD109CL-LF 5V-2 DC TO DC key and IR CE6353 TDTC-G101D Composite Video and Audio tda9886 S-Video S-Video Audio Out HEADPHONE YUV1 YUV1 Audio HDMI1 YUV2 YUV2 Audio HDMI3 TMDS351 PC Audio...

  • Page 39: Wiring Connection Diagram

    10. WIRING CONNECTION DIAGRAM 10.1 LT26R1 Name Parts number Connection Wire（Control） 0090401711A Connection Wire(Backlight) 0090402087A Power Cord 0090400237 LVDS Wire 0090402095 Connection Wire（Remote） 0090401643A Connection Wire(12V/5V ) 0090402007A Speaker Wire 0090400647D...

  • Page 40: Lt32R1

    10.2 LT32R1 Name Parts number Connection Wire（Control） 0090401711B Connection Wire(Backlight) 0090401788B Power Cord 0090400237 LVDS Wire 0090402095 Connection Wire（Remote） 0090401643A Connection Wire(12V/5V ) 0090401787A Connection Wire（24V） 0090402015 Speaker Wire 0090400647D...

  • Page 41: Trouble Shooting Guide

    11. TROUBLE SHOOTING GUIDE 11.1. Simple check Verify if the television is properly plugged No Picture,no sound Verify if the television is properly supplied power 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 Press Mute button and verify if Mute mode is set.
  • Page 42 State：No sound First，check cables which connect with PSU，then check as follows 1) Check input voltage as NO picture 2) Check speaker output First,check speaker anode(+) and cathode(-),confirm speaker short or not.If short ,replace speaker. Second,check CNC1 with oscillograph,confirm wave output or not.

  • Page 43: Panel Failure

    11.3. Panel failure Failure Mode Descripti Part Phenomena Failure cause Block Defect :TCP cracking or cracking Vertical Dim or L/D :TCP Sunken :TCP lead cracking :ACF bonding short Vertal gray :Awful environment and something electric line enter into Vertical :Mis-align between TCP and Panel color :Panel failure line(light...

  • Page 44: 12、 Maintenance

    Part Name Description Phenomena Failure cause Brightness at Light bottom B/L unit badness leakage LCM brighter than normal Mechanlcal Sheet in B/L unit is Uniformity brightness or B/L uneven asymmetric Lack screw Mount *Lack screw screw hole Screw damage damage 12、...
  • Page 45 Sincere Forever Haier Group Haier Industrial Park, No. 1, Haier Road 266101,Qingdao,China http://www.haier.com...

This manual is also suitable for:

Lcd32-m3Mstar109-au

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