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SERVICE MANUAL
LED TV MODEL No. 24E2000
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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Table of Contents
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Summary of Contents for Haier 24E2000
- Page 1 SERVICE MANUAL LED TV MODEL No. 24E2000 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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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 .
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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 Safety Component 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. Check the insulation between the antenna terminal or external metal and the AC cord plug blades.
- 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.
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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 24E2000 Screen Size 23.6 inch Aspect Ratio 16:9 Resolution 1360x 768 Response Time (ms) 14ms Angle of View H:178° V: 178° Color Display 16.7 M English/Spanish/ France OSD Language NTSC-M / ATSC Video/Audio System Dimensions with Stand (W x H x 28.78”x18.89”x6.69”... -
Page 9: Location Of Controls And Components
3. Location of Controls and Components 3-1 Component Location 3-2 Main Board Component Keypad Backlight wire Panel T-con Board IR board wire Key pad board wire LVDS cable Main board IR board Speaker... - 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 LED-Blue LED-Red +5V DC Power Supply To Speaker (CN18) Pin No.
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Page 11: Led Panel
3-3 LED Panel 3-4-1 Connector Definition 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. Red block with Torque: 4~4.5 kgf-cm. yellow block with Torque: 5~5.5 kgf-cm. Detach the back cover from the left side of the unit... - Page 13 Remove all tapes on the cables 5. Disconnect the cables and remove them from the unit.
- Page 14 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.
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Page 15: Accessories
Manual Accessories Remote Control/2 x AAA Batteries User Manual... -
Page 16: Power Connection
Installation Instructions 6-1 Power Connection Plug the adapter into a working power outlet. Note Insert the adapter into a standard polarized AC outlet. Never connect the adapter to a voltage other than specified. If you cause a static discharge when touching the unit and the unit fails to function, simply unplug the unit from the adapter outlet and plug it back in. -
Page 17: 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 18 Connecting a PC VGA Supported timing...
- Page 19 Service Manual Connecting AV Equipment COMPONENT OUT...
- Page 20 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. Connecting A Digital Audio Device and Headphones Note Turn off the TV set and external devices before making connections...
- Page 21 Cable Sample Note: The cables are not included in the package...
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Page 22: Operation Instructions
7. Operation Instructions 7-1 Side Control... -
Page 23: Rear Terminals
7-2 Rear Terminals Connector Descriptions Ser... -
Page 24: Using Remote Control
7-3 Using Remote Control... -
Page 25: Electrical Parts
8. Electrical Parts 8-1 System Block Diagram... -
Page 26: Circuit Diagram
8-2 Circuit Diagram... - Page 33 Connection Connection wire for Speaker Connection wire for Back light Connection wire for LVDS wire Connection wire for IR & Key pad...
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Page 34: Measurements And Adjustment
9. Measurements and Adjustment 9-1 Operation Guide... -
Page 41: 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 42: Software Update
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. Software updating will start and the progress bar will be displayed. -
Page 43: Simple Check
10. Troubleshooting 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 44: System Power Check
10-2 System Power Check... -
Page 45: No Sound/No Picture
10-3 No Sound/No Picture... -
Page 46: Audio Problem
10-4 Audio Problem... -
Page 47: Video Problem
10-5 Video Problem 1. Check�C69�for�Y�... -
Page 48: 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 49 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...