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Haier 32D3000B Service Manual
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Haier 32D3000B Service Manual

Haier 32D3000B Service Manual

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SERVICE MANUAL
LED TV MODEL No. 32D3000B
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.
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Summary of Contents for Haier 32D3000B

  • Page 1 SERVICE MANUAL LED TV MODEL No. 32D3000B 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.

  • Page 2: Table Of Contents

    Table of Contents General Information ............... .3 1-1 General Guidelines .
  • Page 3 9. Measurements and Adjustment ..............36 9-1 Operation Guide .

  • Page 4: General Information

    1. General Information 1-1. 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 fety Component Ɣ Components identified by mark have special characteristics important for safety. 1-2-6 Safety Check after Repair Confirm that the screws, parts and wiring which were removed in order to service are put in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not.
  • Page 6 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" components. The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity.

  • Page 7: How To Read This Service Manual

    1-2-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-3. How to Read this Service Manual Icons: Icons are used to attract the attention of the reader to specific information.

  • Page 8: Specifications

    Specifications Model 32D3000B Screen Size 31.5 inch Aspect Ratio 16:9 Resolution 1366 x 768 Response Time (ms) Angle of View H:176° V: 176° Color Display 16.7 M OSD Language English/Spanish/ France Video/Audio System NTSC-M / ATSC Dimensions with Stand (W x H x 28.78”...

  • Page 9: Location Of Controls And Components

    3. Location of Controls and Components 3-1 Component Location Component Keypad wire LVDS cable Main board 3-2 Main Board Backlight wire Key pad board Panel T-Con Board White LED indicator IR board wire IR board...
  • Page 10 3-2-1 Function Description Process signal which incept from exterior equipment then translate into signal that panel can display. 3-2-2 Connector Definition To IR LED & Key pad (CN6) Pin No. Signal Name Description Ground Ground IR receiver No Connect LED-Red Pin No.

  • Page 11: Led Panel

    3-3 LED Panel 3-4-1 Connector Definition - 10 Pin No. Signal Name Description RSPK Speaker R+ ROUT- Speaker R LOUT- Speaker L LSPK Speaker L+...

  • Page 12: Disassembly Procedures

    4. Disassembly Procedures Remove the screws securing the back cover. Torque: 3.8 ± 0.53 kgf-cm. Detach the back cover from the bottom of the unit...
  • Page 14 3. Remove all tapes on the cables...
  • Page 15 5. Disconnect the cables and remove them from the unit. 6. Remove the screws securing the main board, power board, side I/O cover and bottom I/O cover, then remove them from the unit. Torque: 3.8±0.3 kgf-cm.
  • Page 16 Remove the WHITE LED INDICATOR screw securing the bottom bracket unit.: 3.8±0.3 kgf-cm.

  • Page 17: Accessories

    Manual 5. Accessories Remote Control/2 x AAA Batteries User Manual...
  • Page 18 Power Cord Warranty Card (optional)

  • Page 19: Power Connection

    Installation Instructions 6-1 Power Connection Plug the AC power cord into a working power outlet. Note Use the AC polarized line cord provided for operation on AC. Insert the AC cord plug into a standard polarized AC outlet.  Never connect the AC line cord plug to a voltage other than specified. ...

  • Page 20: External Equipment Connections

    6-2 External Equipment Connections Your TV can be used to display output from most devices. Verify that your device has a video port that matches an available port on the TV (HDMI, Component, etc) Turn the TV and your device off. Connect the appropriate cable (not included) to the TV and the device.
  • Page 21 Note To improve picture quality from an antenna in a poor signal area, install a signal amplifier. If you need to split the antenna  signal to connect two TVs, install a two-way splitter. Connector: F type plug. Input impedance: 75 ohm unbalanced. (Philippines) Connector: IEC type plug. Input impedance: 75 ...
  • Page 22 Connecting a PC VGA Supported timing...
  • Page 23 Service Manual Connecting AV Equipment COMPONENT OUT...
  • Page 24 Service Manual Note The component and composite audio and Y jack are shared. You can only connect one component or composite device at a  time. When connecting a composite video source, connect the yellow video wire to the Y (green) jack. ...
  • Page 25 Cable Sample...
  • Page 26 Note: The cables are not included in the package...

  • Page 27: Operation Instructions

    7. Operation Instructions 7-1 Side Control...

  • Page 28: Rear Terminals

    7-2 Rear Terminals...

  • Page 29: Using Remote Control

    Connector Descriptions Ser 7-3 Using Remote Control...

  • Page 30: Electrical Parts

    8. Electrical Parts 8-1 System Block Diagram...

  • Page 32: Circuit Diagram

    8-2 Circuit Diagram...
  • Page 40 Connection Connection wire for Speaker Connection wire for white LED indicator Connection wire for IR & Key pad LVDS wire Connection wire for Backlight...

  • Page 41: Measurements And Adjustment

    9. Measurements and Adjustment 9-1 Operation Guide...

  • Page 47: Factory Mode

    9-2 Factory Mode Press MENU, then 8893 on the remote control to open the Factory Setting menu. Press to highlight a setting, then press OK to enter the setting. Use the and OK buttons to adjust or view the settings. Press MENU to return to the previous menu or press EXIT to close the factory menu.

  • Page 48: Hotel Mode

    9-3 Software Update Insert the USB device containing the software update file to the USB port on the back of the TV. Press MENU, then 8893 on the remote control to open the Factory Setting menu. Press to select Software Update (USB), then press OK.
  • Page 49 leshooting 10-1 Simple Check Please make these simple checks before calling service. These tips may save you time and money since charges for receiver installation and adjustments of customer controls are not covered under your warranty. Symptoms Items to Check and Actions to Follow No power •...

  • Page 50: System Power Check

    10-2 System Power Check...

  • Page 51: No Sound/No Picture

    10-3 No Sound/No Picture...

  • Page 52: Audio Problem

    10-4 Audio Problem...

  • Page 53: Video Problem

    10-5 Video Problem � � � �...

  • Page 54: Main Board Not Work

    10-6 Main board not work Check if the power supply has +12V/+5VSB output. Verify if the DC/DC convertors have the right output (5V, 3.3VSTB, 1.2V, 1.8V). Verify if the Mainchip-MSD3393LU (For North America, Mainchip- MSD3393LU) DDR, AudioAMP…solder well. Verify if the FLASH (UF1) has the right software and work well. Verify if the Y1(Crystal) has the right frequency.
  • Page 55 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...
  • Page 56 Printed in China...

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