Haier LE46F2380a Service Manual
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Haier LE46F2380a Service Manual

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SERVICE MANUAL
LED TV
LE46F2380a
Model No.
MSD3391
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 LE46F2380a

  • Page 1 SERVICE MANUAL LED TV LE46F2380a Model No. MSD3391 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 LE46F2380a Screen Size 46 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 B Board Description A Board Mainboard TB300715700M Power Supply 514C3202M04 B Board 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.  &RQQHFWRU GH¿QLWLRQ Main board connector Power connectors (CN102, CN101) BL-ON/OFF BRIGHT Notes: CN102-Pin 2: Backlight on/off: The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path.
  • Page 11 Service Manual Model No.: Keypad and remote connector (CN203) STANDBY Speaker connector (CON807) Pin number Signal name Description RSPK+ RSPK+ RSPK- RSPK- LSPK- LSPK- LSPK+ LSPK+ - 10 -...

  • Page 12: Power Board

    Service Manual Model No.: 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. &RQQHFWRUGH¿QLWLRQ - 11 -...
  • Page 13 Service Manual Model No.: 3-4. LED Panel T460HW07 V5 - 12 -...

  • Page 14: Lcd Panel

    Service Manual Model No.: 3-4-1.Connector de finition Symbol Description Symbol Description N.C. AUO Internal Use Only Ground N.C. AUO Internal Use Only Ground N.C. AUO Internal Use Only CH2_0- LVDS Channel 2, Signal 0- N.C. AUO Internal Use Only CH2_0+ LVDS Channel 2, Signal 0+ Reserved NC or GND: 8 bit...

  • Page 15: 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 - 14 -...

  • Page 16: Remove The Main Board

    Service Manual Model No.: 4-4 Remove the Main board CON203 CN204 CON101 CON807 CON102 4-5 Remove the speaker Take out the speaker - 15 -...

  • Page 17: Remove The Remote Control Board

    Service Manual Model No.: 4-6 Remove the remote control take out the remote control board 4-7 Remove the Power Supply - 16 -...

  • Page 18: 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 19 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. COMPONENT HDMI1 HDMI2...
  • Page 20 INSTALLATION PRESET MODE V.Freq.(Hz) H.Freq.(KHz) RESOLUTION 720*400 31.47 31.47 640*480 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 67.50 1366*768 - 19 -...
  • Page 21 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.

  • Page 22: 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 23 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) - 22 -...

  • Page 24: Back Panel Controls

    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 25: Operation Instructions

    S e r v i c e M a n u a l Model No. : 6. Operation Instructions Basal information 6-1 Front panel controls Side panel STANDBY VOL- VOL+ MENU SOURCE 30 30 1. SOURCE: Display the input source menu. Display main MENU.

  • Page 26: 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 27: Electrical Parts

    Service Manual Model No.: 7. Electrical parts 7-1. C ircu i t D iagram 220uF/16V 220uF/16V EC103 EC103 C114 C114 0.1uF 0.1uF R120 R120 4.7K 4.7K 10uF 10uF EC104 EC104 220uF/16V 220uF/16V C117 C117 0.1uF 0.1uF - 26 -...
  • Page 28 QFP_GND LINEIN_L3 System-RST PAD_LINEIN_L3 PAD_RESET LINEIN_R3 IR_SYNC PAD_LINEIN_R3 PAD_IRIN LINEIN_L5 HDMI-CEC PAD_LINEIN_L5 PAD_CEC LINEIN_R5 UART_TX PAD_LINEIN_R5 PAD_DDCA_DA UART_RX +3.3Vstb AVDD_AU33 PAD_DDCA_CK AMP-MUTE PAD_LINEOUT_L0 PAD_GPIO_PM[1] KEY0 PAD_LINEOUT_R0 PAD_SAR0 KEY1 AVSS_EAR33 PAD_SAR1 EARPHONE_L ON_PBACK PAD_EARPHONE_OUTL PAD_SAR2 EARPHONE_R C202 C202 PAD_EARPHONE_OUTR DVDD_NODIE +3.3Vstb PWR-ON/OFF AVDD_EAR33 PAD_GPIO_PM[4]...
  • 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 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...
  • Page 30 C139 C139 NC/470pF NC/470pF C138 C138 NC/470pF NC/470pF RX513 RX513 RX520 RX520 RX519 RX519 RX518 RX518 RX515 RX515 RX517 RX517 R415 R415 R416 R416 R417 R417 RX527 RX527 RX526 RX526 RX525 RX525 RX524 RX524 C819 C819 RX521 RX521 RX529 RX529 RX522 RX522 RX528...
  • Page 31 C712 C712 10uF 10uF L701 L701 330nH 140mA 330nH 140mA C713 C713 47nF 47nF L706 L706 220nH 120mA 220nH 120mA 4.7k 4.7k R705 R705 4.7k 4.7k R706 R706 220nF 220nF C702 C702 CapRFAGC RFAGC_Sense 2.2nH 1000mA 2.2nH 1000mA L702 L702 Test1 UHFH Xtal...

  • Page 32: Wiring Connection Diagram

    Service Manual Model No.: 7-2 .Wiring Connection Diagram NO.N Connection Wire(For Speaker) Connection Wire(Power For Mainboard) LVDS Wire Connection Wire(For Remote and Keyboard) Connection Wire(Control for Backlight on/off) - 31 -...

  • Page 33: Measurements And Adjustments

    Service Manual Model No.: Measurements and Adjustments 1. PICTURE MENU Note: In this menu,you can adjust the picture options here, Audio language is available in ATSC/TVmode only. such as contrast, brightness, etc. Auto volume is available only when the input signal volume is too Press to select, press OK to adjust.
  • Page 34 OPERATION OPERATION Content 1). CC Mode: Switch the closed caption mode. 2). Advanced selection: only available in ATSC. Rating Content (Fantasy (Violence) (Sexual (Adult (Sexually 3). Option: Used to edit the CC font. violence) situation) language) suggestive dialog) Note: 1). Restore Default: Restore Default will clear all the programs and reset TV-Y (All children) all the settings to default value.
  • Page 35 OPERATION OPERATION Description Rating Air/Cable Cable Auto Scan Exempt: Includes news, sports, documents and other information Favorite programming: talk shows, music videos, and variety programming. Show/Hide Children: Intended for younger children under the age of 8 years. < < DTV Signal Pays careful attention to themes that could threaten their sense of Channel securityand well-being.

  • Page 36: 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 37: How To Update Software

    Service Manual Model No.: 8.2 How to update software Haier MSD3391 F/W upgrade with USB SOP Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory .  &RS\ WKH VRIWZDUH ¿OH PHUJELQ IURP \RXU FRPSXWHU WR WKH 86% PHPRU\ DQG UHPRYH it from computer’s USB port!

  • Page 38: 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 39: Trouble-Shooting

    Service Manual Model No.: 9. Trouble shooting 9-1. Simple check - 38 -...

  • Page 47: 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 48 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 49 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 50 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 51 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 52 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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