Haier HL55XZK22 Service Manual
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Haier HL55XZK22 Service Manual

Haier HL55XZK22 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. HL55XZK22a
Chassis
WARNING
©2010 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
Order No.
TV1004S008V0
LCD TV
HL55XZK22
MTK5305

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Summary of Contents for Haier HL55XZK22

  • 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

    Service Manual Model No.: HL55XZK22a CONTENTS Chapter 1: General Information......3 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 Service Manual Model No.: HL55XZK22a 4-3. Power Supply Board ..............16 4-3-1. Function description:................16 ................16 4-4. LCD Panel ................18 4-4-1. Function Description: Display the signal..........18 ................20 Chapter 5. Installation Instructions......21 5-1. External Equipment Connections.........21 5-2. HDMI Connections ..............24 Chapter 6.

  • Page 4: Chapter 1: General Information

    Service Manual Model No.: HL55XZK22a 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.: HL55XZK22a components commonly are called Electrostatically Sensitive (ES) Devices. The following 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.
  • Page 6 Service Manual Model No.: HL55XZK22a 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. c.

  • Page 7: Ordering Spare Parts

    Service Manual Model No.: HL55XZK22a 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 classified as "anti-static" can generate electrical charges sufficient to damage ES devices. 5.
  • Page 8 Service Manual Model No.: HL55XZK22a Caution: A “caution” is used when there is danger that the reader, through incorrect manipulation, may damage equipment, loose data, get an unexpected result or has to restart(part of) a procedure. Warning: A “warning” is used when there is danger of personal injury. Reference: A “reference”...
  • Page 9 Service Manual Model No.: HL55XZK22a Chapter 2: Specification 2-1. Specification list Model HL55XZK22a Screen Size 55 inch Aspect Ratio 16:9 Resolution 1920x1080 8(GRAY TO Response Time (ms) GRAY) Angel of View 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.: HL55XZK22a 2-2 External pictures (four faces) Front Side Left Side...
  • Page 11 Service Manual Model No.: HL55XZK22a Right Side Back Side...

  • Page 12: Chapter 3. Disassemble And Assemble

    Service Manual Model No.: HL55XZK22a Chapter 3. Disassemble and Assemble 3-1 Remove the Stand 1. Lay down the unit so that back cover faces upward 2. Then remove the back cover from the unit. 3-3. Remove the Adhesive Tape 2. Remove the six screws from the back cover which are indicated with the circles in the The location of the adhesive tape is shown picture above.

  • Page 13: Remove The Power Supply Module

    Service Manual Model No.: HL55XZK22a Disconnected the coupler CN1 CN2 CN3 CN4 CN5 CN7 J25. Remove the Mainboard. 3-7. Remove the Keypad Board Then put the terminal bracket to the side. 3-5. Remove the Power Supply Module Remove the four screws indicated by the red circles in below picture.

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

    Service Manual Model No.: HL55XZK22a Chapter 4. Location of Controls and Components 4-1. Board Location Parts number Description A Board DC1BG0E0100M Main Board(0090723952) B Board 0094001514A Power Board 4-2. Main Board & AV Board...

  • Page 15: Function Description

    Service Manual Model No.: HL55XZK22a 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 definition Main board connector Power connectors (CN3, CN5) CNA1 Pin number Signal name Pin number Signal name +12V...
  • Page 16 Service Manual Model No.: HL55XZK22a Speaker power connector (CON2) Pin number Signal name Speaker Connector (CON1) Pin number Signal name Other connectors: CNB2 to Upgrade the program of MTK5380L (U13) AND FLASH (U17)

  • Page 17: Power Supply Board

    Service Manual Model No.: HL55XZK22a 4-3. Power Supply Board 4-3-1. Function description: To supply power for Mainboard, Panel. 4-3-2. Connector definition: INPUT CONNECTOR (CN2) Signal name Signal name Signal name 5VSB +12V +12V 4-4. LCD Panel...
  • Page 18 5. Input Terminal Pin Assignment 5.1. Input Signal & Power Connector : FI-RE41S-HF (JAE) DC power supply Rx3[A]P LVDS Signal + LVDS Signal - DC power supply Rx3[B]N DC power supply Rx3[B]P LVDS Signal + DC power supply Rx3[C]N LVDS Signal - Rx3[C]P LVDS Signal + DC power supply...
  • Page 19 5. Input Terminal Pin Assignment 5.1. Input Signal & Power Connector : FI-RE51S-HF (JAE) DC power supply Rx4[A]P LVDS Signal + DC power supply Rx4[B]N LVDS Signal - DC power supply Rx4[B]P LVDS Signal + DC power supply Rx4[C]N LVDS Signal - LVDS Signal + DC power supply Rx4[C]P...
  • Page 20 Note(1) Pin number starts from Left side Pin No. 1 Pin No. 41 Pin No. 1 Pin No. 51 Fig. Connector diagram a. Power GND pins should be connected to the LCD’s metal chassis. b. All power input pins should be connected together. c.

  • Page 21: External Equipment Connections

    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 LCD HDTV EN-8...

  • Page 22: 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 LCD HDTV...

  • Page 23: Connecting A Digital Audio Output

    Turn on the digital set-top box. (Refer to the owner’s manual for the digital set-top box.) If the graphic card on the computer does not output analog and digital RGB simultaneously, Use INPUT on the remote control to select Haier LCD HDTV EN-10...

  • Page 24: Hdmi And Dvi Input

    The synchronization input form for Horizontal and How To Use Vertical frequencies is separate. If the source device supports Auto DVI function, the output resolution of the source device will be EN-11 Haier LCD HDTV...

  • Page 25: Connecting Headphones

    AC outlet, do not attempt to file or cut the blade. It is the user’s responsibility to have an electrician replace the obsolete outlet. If you cause a static discharge when touching the unit and the unit fails to function, simply unplug Haier LCD HDTV EN-12...

  • Page 26: Side Panel Controls

    Do not put anything near the sensor, which 5 POWER Press to turn on and off the TV. may block the remote control signal. Connect a USB flash drive to view MPEG2 videos, 6 USB input JPEG images or listen to MP3 songs. EN-5 Haier LCD HDTV...

  • Page 27: Connection Options

    0 AUDIO Out Connect the audio L/R cables to your audio equipment. PC/DVI Audio Connect the audio L/R cables from a computer to this jack. Connect a video cable from a computer to this PC Video In jack. Haier LCD HDTV EN-6...

  • Page 28: Universal Remote Control

    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 LCD HDTV...

  • Page 29: Chapter 7. Electrical Parts

    Service Manual Model No.: HL55XZK22a Chapter 7. Electrical Parts 7-1. Block Diagram...
  • Page 47 Keypad Assembly...

  • Page 48: Chapter 8. Measurements And Adjustments

    Service Manual Model No.: HL55XZK22a 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: Step 1: Press Menu, Step 2: Input 8893, Step 3: Press “OK” System will be into the factory mode menu when 3 steps above are done. 8-1-2.How to exit If you want to exit this factory menu, please press the button ”Exit”...

  • Page 49: Video

    Service Manual Model No.: HL55XZK22a 8-2-2. Video Auto Color The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically. Color Temperature The function could adjust the Color Temperature, used when debugging...

  • Page 50: Audio

    Service Manual Model No.: HL55XZK22a 8-2-3. Audio Dolby Banner: When turn it “ON”, the model will be in Dolby authentication state. Compression: Compression style. RF atv line AV/S-Video/YPbPr/VGA Compression Factor: Compression state. Downmix: output model. MTS System: used when debugging. The parameters only used when 8-2-4.
  • Page 51 Service Manual Model No.: HL55XZK22a Factory Scan: According to ANTENNA-ANALOG---ANTENNA-DIGITAL---CABLE- ANALOG---CABLE- DIGITAL to search channels, used only in project debugging. Tuner Diagnostic: Project debugging setting, used to inspect the audio function.

  • Page 52: Gamma

    Service Manual Model No.: HL55XZK22a 8-2-5. Gamma Gamma: Bright GAMMA0.8 Middle default settings in the program Dark GAMMA1.2 8-2-6. Backlight Backlight: adjust the backlight.

  • Page 53: Function

    Service Manual Model No.: HL55XZK22a 8-2-7. Function Burning Mode: Turn it “ON” to enter the aging model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time. Clean Storage The function could make the model turn back to the factory default setting.
  • Page 54 Service Manual Model No.: HL55XZK22a Remark: The date of the chart only is an example, please don’t adjust the factory mode base on it.

  • Page 55: Chapter 9. Trouble Shooting

    Service Manual Model No.: HL55XZK22a 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 56: Power Supply Board Failure Check

    Service Manual Model No.: HL55XZK22a 9-2. Power Supply Board Failure Check.

  • Page 57: Mainboard Failure Check

    Service Manual Model No.: HL55XZK22a 9-3. Mainboard Failure Check Symptom: No Sound Change Source input Fail Pass Check input/output Re-soldering or change Fail IC U13 Pass Fail Check Re-soldering or change input/output IC U55 Pass Fail Check Re-soldering or change input/output IC U2 Pass...
  • Page 58 Service Manual Model No.: HL55XZK22a 9-4. Pannel Failure Failure Mode...
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  • Page 60 Service Manual Model No.: HL55XZK22a...
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  • Page 62 Service Manual Model No.: HL55XZK22a...
  • Page 63 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...

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