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Haier LE24C2380a Service Manual

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SERVICE MANUAL
LED TV
Model No.
LE24C2380a
MSD318
Chassis
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. 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 LE24C2380a

  • Page 1 SERVICE MANUAL LED TV Model No. LE24C2380a MSD318 Chassis 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.

  • Page 2: Table Of Contents

    Service Manual Model No.: Chapter 1: General Information 1-1. Table of Contents 1. General Information................1-1. Table of Contents 1-2. General Guidelines 1-3. Important Notice 1-4. How to Read this Service Manual ..................3. Location of Controls and Components........... 3-1. Board Location 3-2.
  • Page 3 Service Manual Model No.: 8. Measurements and Adjustments..…………......8-1. How to enter into the factory model 8-2. How to update software 8-3. How to enter into the Hotel Model 9. Trouble-shooting………….............. 9-1. Simple Check 9-2. Main Board Failure Check 9-3. Panel Failure - 02 -...

  • Page 4: General Guidelines

    Service Manual Model No.: 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. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 5 Service Manual Model No.: 1-3-6 Safety Check after Repairment 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. And be sure the safety of that. General Servicing Precautions 1.
  • Page 6 Service Manual Model No.: 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 7: How To Read This Service Manual

    Service Manual Model No.: 1-3-8. 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. 1-4. How to Read this Service Manual Using Icons: each icon is described in the table below: Note:...
  • Page 8 Service Manual Model No.: Model LE24C2380a Screen Size 23.6 inch Aspect Ratio 16:9 Resolution 1920*1080 5.0 (GRAY TO Response Time (ms) GRAY) Angel of View 176o Color Display 16.7M Cable :1-135 No. of Preset Channels Air: 2-69 (ATV&DTV) OSD Language...

  • Page 9: Location Of Controls And Components

    Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location A Board Description A Board Integration Mainboard TB300714400M 3-2 Main Board - 08 -...
  • Page 10 Service Manual Model No.: 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. Main board connector Keypad andremote connector (J12) STANDBY Speaker connector (J11) Pin number Signal name Description RSPK+ RSPK+ RSPK-...

  • Page 11: Lcd Panel

    Service Manual Model No.: 3-3. LED Panel MTC236LED-B02F(BOE:HM236WU3-100) - 10 -...
  • Page 12 Service Manual Model No.: 3-4-1.Connector de finition Pin No Symbol Function Remark RXO0- Negative Transmission data of Pixel 0 (ODD) RXO0+ RXO0+ Positive Transmission data of Pixel 0 (ODD) Positive Transmission data of Pixel 0 (ODD) RXO1- Negative Transmission data of Pixel 1 (ODD) RXO1+ Positive Transmission data of Pixel 1 (ODD) RXO2-...

  • Page 13: Disassemble And Assemble

    Service Manual Model No.: 4. Disassemble and assemble 4-1 Remove the Pedestal faces upward 4-2Remove the Back Cover unit. 4-3. Remove the adhesive tape Remove the adhesive tape indicated on the - 12 -...

  • Page 14: Remove The Main Board

    Service Manual Model No.: 4-4 Remove the Main board J12 J11 CN800 J9 4-5 Remove the speaker Take out the speaker - 13 -...

  • Page 15: Remove The Remote Control Board

    Service Manual Model No.: 4-6 Remove the remote control take out the remote control board - 14 -...

  • Page 16: Installation Instructions

    Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Battery User GUIDE Remote Control Antenna Connection Connect one end of a coaxial cable (not included) to the ANT IN jack on the back of your TV/DVD combo, then connect the other end of the cable into the antenna or cable TV wall outlet.
  • Page 17 INSTALLATION ANTENNA Note: Aerial connections: IEC (female). Input impendance:75 unbalanced. STEPS: Be sure both the TV and computer are powered off. 1.Connect a VGA and audio cable. 2.Connect the power cord. 3.Turn on the TV, switch to PC mode. 4.Turn on the PC. HEADPHONE PC AUDIO COAXIAL HDMI1...
  • Page 18 INSTALLATION PRESET MODE V.Freq.(Hz) H.Freq.(KHz) RESOLUTION 720*400 31.47 640*480 31.47 37.50 640*480 800*600 37.88 800*600 46.88 1024*768 48.36 1024*768 56.48 1024*768 60.02 63.98 1280*1024 1280*1024 80.00 1920*1080 67.50 - 17 -...
  • Page 19 INSTALLATION AV EQUIPMENT There are two HDMI ports located on the back of your TV. You can connect a Blu-ray player, DVD player, or other video equipment through these ports. There is one component (Y, Pb, Pr) and one composite (AV) video input located on the back of your TV. You can connect a VCR, cable box, or other video equipment to these jacks.

  • Page 20: Hdmi Connections

    Service Manual Model No.: 5-2 HDMI Connections When the source device(DVD player or Set Top Box) supports HDM How To Connect 1. Connect the source device to HDMI port of this TV with an HDMI cable(not supplied with this product). 2.
  • Page 21 Service Manual Model No.: Cable sample HDMI Cable (not supplied with the product) HDMI to DVI Cable ( not supplied with the product) Analog Audio Cable (Stereo to RCA type) (not supplied with the product) - 20 -...
  • Page 22 Service Manual Model No.: Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided for operation on AC. Insert the AC cord plug into a standard polarized AC outlet. NOTES: Use the attached power cord only. electrician replace the obsolete outlet.

  • Page 23: Operation Instructions

    Service Manual Model No.: 6. Operation Instructions Basal information Side panel 6-1 Front panel controls SOURCE MENU VOL+ VOL- STANDBY 1. SOURCE: Display the input source menu. Display main MENU. 2. MENU: 3. CH+/CH-: In TV mode, press "CH+" or "CH-" to change the channel up and down.

  • Page 24: Universal Remote Control

    Service Manual Model No.: 6-3 Setting Up Your Remote Control POWER Press to power ON/OFF (standby) the TV. NUMBER KEY Press to enter the TV channel number and select a channel (Press " " to choose the sub-channel). Press to display the on screen display (OSD) menu or return to the previous menu.

  • Page 25: Electrical Parts

    Service Manual Model No.: 7. Electrical parts Circuit Diagram Circuit Diagram 7-1. - 24 -...
  • Page 26 DA58WT-5R-E DA58WT-5R-E 5V-Tuner T_RF_AGC RF-AGC T_SCL R532 R532 TUNER_I2C_SCL T_SDA R533 R533 TUNER_I2C_SDA IF_AGC R534 R534 100R 100R IFAGC IF-AGC DIF2 DIF1 C149 C149 C150 C150 20pF 20pF 20pF 20pF 11.89V 208mA (1080P/MUTE) +5V_LDO RF AGC Switch AMS1084CD-ADJ AMS1084CD-ADJ 5.19V 116mA (ATV) T_RF_AGC RF_AGC 5V-Tuner...
  • Page 27 AUDIO Pre AMP PH_Drive R778 R778 0R-0603 0R-0603 R228 R228 R229 R229 R226 R226 220uF/16V 220uF/16V 220uF/16V 220uF/16V AMP_LIN PH_L AMP_RIN PH_R PH_L PH_R VCC-OP2 R230 R230 R232 R232 C122 C122 R236 R236 R227 R227 C123 C123 10uF 10uF 10uF 10uF U15A U15A...
  • Page 28 R192 10K R192 10K R193 10K R193 10K R197 NC/10K R197 NC/10K - 27 -...
  • Page 29 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2 7 5 3 1...
  • Page 30 - 29 -...
  • Page 31 R145 R145 R144 R144 R143 R143 - 30 -...
  • Page 32 5VSTB# CON2 CON2 POWERON/OFF CON2 CON2 CON4 CON4 +12V CON2 CON2 Q806 Q806 APM4015PU APM4015PU TO252-DPAK TO252-DPAK T102 T102 TO-220B TO-220B T102 T102 D806 D806 C1040 C1040 C1041 C1041 D803 D803 D804 D804 NC/T103 NC/T103 C1038 C1038 NC/T103 NC/T103 SBR20100 SBR20100 +12V EFD25...

  • Page 33: Wiring Connection Diagram

    Service Manual Model No.: 7-2 .Wiring Connection Diagram Name Connection Wire(For Speaker) Connection Wire(Power Wire) LVDS Wire Connection wire(Blacklight ) Connection Wire(For Keyboard and Remote) - 32 -...

  • Page 34: Measurements And Adjustments

    Service Manual Model No.: Measurements and Adjustments 2. AUDIO menu 1. PICTURE MENU The first item of the MENU is PICTURE MENU. The second item of the MENU is the AUDIO MENU. This menu provides several video adjustment options You can adjust sound options here. for fine tuning the video display.
  • Page 35 OPERATION 3.1. Parental Controls: 1): TV: Press , and the screen shown below will be displayed. Press to select Parental Controls , press , and the screen shown below will be displayed. Enter Password ---- Adjust Select Menu Exit Adjust Select Menu Exit...
  • Page 36 OPERATION 3.2 Timer Description Rating You can adjust the sleep timer and time related settings here. Exempt: Includes news, sports, documents and other information programming: talk shows, music videos, and variety programming. Press to select, press to adjust, press MENU Children: Intended for younger children under the age of 8 years.
  • Page 37 OPERATION 3.4 Menu Settings You can adjust Menu Settings here. 1). Air/Cable: Select Air TV signal or Cable TV signal. Press to select, press to adjust, press MENU 2). Auto Scan: If it's the first time using the TV, you to exit.
  • Page 38 OPERATION 5. Multimedia MENU : play With an external storage device attached to the USB input, you can use the Multimedia Menu to display JPEG pictures : pause and play MP3 music. : stop Before starting operation, verify that the USB storage device : fast backward is using the FAT32 file system format.

  • Page 39: How To Enter Into The Factory Model

    Service Manual Model No.: 8.1 How to enter into the factory model 8.1 How to enter into the factory model 8.1 How to enter into the factory model 1. You can press "source-2-5-8-0" to go into factory setting. Presse the key "exit" to shut the factory setting.

  • Page 40: How To Update Software

    Service Manual Model No.: 8.2 How to update software Haier MSD318QT F/W upgrade with USB SOP Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory . from computer’s USB port! Step 2: F/W Upgrade 2.1 AC ON 2.2,Then input USB, press POWER.

  • Page 41: How To Enter Into The Hotel Model

    Service Manual Model No.: 8.3 How to enter into the hotel model 1. You can press "source-1-0-0-1" to go into the hotel model. Presse the key "exit" to shut the hotel model. Content: 1.Hotel Mode: Hotel mode switch Panel key lock 2.Panel Key Lock: Hotel mode can adjust the maximum volume 3.Max Volume:...

  • Page 42: Trouble-Shooting

    Service Manual Model No.: 9. Trouble shooting 9-1. Simple check - 41 -...

  • Page 52: Panel Failure

    Service Manual Model No.: 9-3. Pannel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking Dim or L/D :TCP Sunken V B/D Vertical bar :TCP lead cracking :ACF bonding short :Awful environment and something electric enter V Dim Vertal gray line into LCD...
  • Page 53 Service Manual Model No.: Part Name Description Phenomena Failure cause I n c o m i n g I n s p e c t i o n Standard Bright dot dark dot in Dot Defect pannel Bladder between Polarizer and top glass Polarizer Bubble Bladder in Polarizer...
  • Page 54 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause White Screen B/L normal, only white screen display M a y b e c a u s e d by surge current Black Screen B/L normal, and EDS only Black screen display FIIcker...
  • Page 55 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanlcal When Caused Nolse turn panel,appear b y M e c h a n i c a cacophony noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B/L off...
  • Page 56 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Brightness B/L unit badness at bottom of LCM Light leakage brighter than normal B / L b r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ asymmetric is uneven...
  • Page 57 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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