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Haier HLC22XSLW2 Service Manual

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Download this manual See also: Owner's Manual
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 No. HLC22XSLW2a
Chassis
WARNING
©2010 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
Order No.
TV1001S015V0
LCD TV
HLC22XSLW2
HLC22XSL2
HLC22XSL2a
MTK5305

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Summary of Contents for Haier HLC22XSLW2

  • Page 1: Service Manual

    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

    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. Electro static discharge (ESD)............... 3 1-3-4.
  • Page 3 4-3. LED Driver Board ................16 4-3-1. Function description:................16 ................16 4-4. LCD Panel ....................16 Chapter 5. Installation Instructions .......... 18 Chapter 6. Operation Instructions .......... 23 6-1. Front Panel Controls ................23 6-2. Back Panel Controls ................23 6-3.

  • Page 4: Chapter 1: General Information

    Service Manual Model No.: HLC22XSLW2 Chapter 1: General Information 1-1. Document Information Document format: Adobe PDF Author: Zhou Peng Compiler: Bao Qinghong 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.

  • Page 5: About Lead Free Solder (Pbf)

    Service Manual Model No.: HLC22XSLW2 components commonly are called Electrostatically Sensitive (ES) Devices. The following 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.: HLC22XSLW2 1. Always unplug the receiver AC power cord from the AC power source before: 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.

  • Page 7: Ordering Spare Parts

    Service Manual Model No.: HLC22XSLW2 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static type solder removal device. Some solder removal devices not 5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.
  • Page 8 Service Manual Model No.: HLC22XSLW2 Caution: A “caution” is used when there is danger that the reader, through incorrect restart(part of) a procedure. Warning: A “warning” is used when there is danger of personal injury. Reference: A “reference” guides the reader to other places in this binder or in this manual, where...
  • Page 9 Service Manual Model No.: HLC22XSLW2 Model HLC22XSLW2 Screen Size 21.5 inch Aspect Ratio 16:9 Resolution 1920x1080 5 (GRAY TO Response Time (ms) GRAY) Angel of View H:170/V:60 Color Display 16777216 No. of Preset Channels OSD Language English/French/Spanish Color System NTSC...

  • Page 10: External Pictures (Four Faces)

    Service Manual Model No.: HLC22XSLW2 2-2 External pictures (four faces) Front Side Left Side...
  • Page 11 Service Manual Model No.: HLC22XSLW2 Right Side Back Side...

  • Page 12: Chapter 3. Disassemble And Assemble

    Service Manual Model No.: HLC22SLW2 Chapter 3. Disassemble and Assemble 3-1. Remove the Pedestal 3-2. Remove the Front Cover 3-3. Remove the Main Board And Remove the LCD Panel ① ○. Remover the fo screw indicated with ② ○. Remover the two pin indicated with...

  • Page 13: Remove The Speaker

    Service Manual Model No.: HLC22SLW2 3-7. Remove the DVD Keypad Board 3-4. Remove the Speaker ① ○. Remover the four screw indicated with ② Then remove the Speaker 3-5. Remove the Keypad Assembly 3-8. Remove the DVD ① remove the Keypad Assembly. 3-6.

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

    Service Manual Model No.: HLC22XSLW2 Chapter 4. Location of Controls and Components 4-1. Board Location Description A Board Main Board LED Driver Board B Board 4-2. Main Board...

  • Page 15: Function Description

    Service Manual Model No.: HLC22XSLW2 4-2-1 Function Description: Main Board Main board connector Pin number Signal name Power connectors (CN1) +12V +12V Notes: CN1-Pin 3: Backlight on/off: The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path.
  • Page 16 Service Manual Model No.: HLC22XSLW2 LVDS Connector (CN5) Pin number Signal name Description LVDS_D0E_N LVDS EVEN 0 - Signal LVDS_D0E_P LVDS EVEN 0 + Signal Ground LVDS_D1E_N LVDS EVEN 1 - Signal LVDS_D1E_P LVDS EVEN 1 + Signal Ground LVDS_D2E_N...

  • Page 17: Led Driver Board

    Service Manual Model No.: HLC22XSLW2 4-3. LED Driver Board 4-3-1. Function description: To supply power for Panel. INPUT CONNECTOR (CNC1) Power supply and Inverter Connector CNC1 number Signal name Description Ground Ground Power Power Other Connector Power supply for panel (CNC2) Power supply for panel (CNC3) 4-4.
  • Page 18 Service Manual Model No.: HLC22XSLW2 Panle LVDS Connector (CNC4)

  • Page 19: Chapter 5. Installation Instructions

    Service Manual Model No.: HLC22XSLW2 Chapter 5. Installation Instructions Accessories CABLE PICTURE AUDIO HDMI INPUT MUTE RECALL MENU EXIT ENTER SLEEP DISPLAY PLAY/PAUSE STOP PREV NEXT REPEAT MTS/SAP FREEZE CH.LIST GUIDE FAVORITE Alkaline battery (AAA) x 2 DC power adapter Antenna Connection Over-the-air TV reception quality will depend on your antenna type, antenna location and antenna positioning.

  • Page 20: Connecting A Computer

    Service Manual Model No.: HLC22XSLW2 Connection Option 1 Note Set VCR output switch to channel 3 or 4 and then tune If your DVD player does not have the TV to the same channel number. component video output, use S-Video.

  • Page 21: Hdmi Input

    Service Manual Model No.: HLC22XSLW2 How to use VIDEO L -AUDIO- R ANT IN Turn on the computer and the TV. Use INPUT on the remote control to select VGA or HDMI source. Check the image on your TV. There may be noise associated with the resolution, vertical pattern, contrast or brightness in VGA mode.

  • Page 22: Cable Sample

    Service Manual Model No.: HLC22XSLW2 How To Use If the source device supports Auto HDMI function, the output resolution of the source device will be automatically set to 1280x720p. If the source device does not support Auto HDMI, you need to set the output resolution appropriately.

  • Page 23: Connecting Headphones

    Service Manual Model No.: HLC22XSLW2 Analog Audio Cable (Stereo to RCA type) (not supplied with the product) Connecting Headphones You can connect a set of headphones to your set if you wish to watch a TV programmer without disturbing the other people in the room.

  • Page 24: Chapter 6. Operation Instructions

    Service Manual Model No.: HLC22XSLW2 6. Operation Instructions 6-1 Front panel controls INPUT MENU VOL- VOL+ POWER 1 POWER Press to turn on and off the TV. Press to access the input source mode. Press repeatedly to change the source to the one 2 INPUT you want to watch.

  • Page 25: Battery Loading

    Service Manual Model No.: HLC22XSLW2 Battery loading 1. Slide open the cover of the battery compartment on the back of the remote controller. 2. Load two 7# (AAA) alkaline batteries in the compartment, (plus and minus poles to respective mark) 3.

  • Page 26: Chapter 7. Electrical Parts

    Service Manual Model No.: HLC22XSLW2 Chapter 7. Electrical Parts 7-1. Block Diagram HDMI1 MT5305 Main IC TDA1517 YPbPr tuner LVDS Composite YPbPr Composite Flash VGA(P11)L/R EEPROM...

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