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Haier LE43U6500U Service Manual

Msd6488 chassis
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SERVICE MANUAL
LED TV
Model No.
LE43U6500U
MSD6488
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 LE43U6500U

  • Page 1 SERVICE MANUAL LED TV Model No. LE43U6500U MSD6488 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 LE43U6500U 55 inch Screen Size Aspect Ratio 16:9 Resolution 6.5 (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 English...

  • 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 Power Supply 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. 3-2-2 Connector definition Main board connector Power connectors (J 16) Pin number Signal name BL-ADJUST BL-ON/OFF POWER ON/OFF +5VSTB +12V...
  • Page 11 Service Manual Model No.: Keypad and remote connector (J 2) Pin number Signal name Description KEY1 KEY0 POWER FOR REMOTE REMOTE CONTROL STANDBY LED_G LAMP GREEN LED_R LAMP RED Speaker connector (J 17) Pin number Signal name Description RSPK+ RSPK+ RSPK- RSPK- LSPK-...

  • Page 12: Power Board

    Service Manual Model No.: 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefinition CON201 Pin number Signal name POWER ON/OFF +5VSTB +12V +12V - 11 -...
  • Page 13 Service Manual Model No.: 3-4. LED Panel V650HP1-PS6 - 12 -...
  • Page 14 Service Manual Model No.: 3-4-1.Connector de finition Note Name Description N.C. No Connection EEPROM Serial Clock (for local dimming demo function) (11) EEPROM Serial Data (for local dimming demo function) (10) TST_AGE Aging Mode L/R_O Output signal for Left Right Glasses control N.C.
  • Page 15 Service Manual Model No.: CH2[0]+ Second pixel Positive LVDS differential data input. Pair 0 CH2[1]- Second pixel Negative LVDS differential data input. Pair 1 CH2[1]+ Second pixel Positive LVDS differential data input. Pair 1 CH2[2]- Second pixel Negative LVDS differential data input. Pair 2 CH2[2]+ Second pixel Positive LVDS differential data input.

  • Page 16: Disassemble And Assemble

    3.Disassemble and Assemble 3.1 Remove the Pedestal： 1.Lay down the unit so that Back- Cover faces upward 2.Remove the screw from the Back-Cover indicated with Fig.1 3.Then remove the pedestal Parts number ：209030414Z1 (Fig .1) Specification： 4*14PM...

  • Page 17: Remove The Main Board

    3.Disassemble and Assemble 3.5 Remove the IR board ： 1.Remove the screw indicated with Fig.1 (Fig .1)

  • Page 18: Remove The Power Board

    3.Disassemble and Assemble 3.6 Remove the Power board ： 1.Remove the screw indicated with Fig.1 (Fig .1)
  • Page 19 4 .Factory Mode adjustment 4.1.1 How to enter Factory Menu Press Menu and 8893 Press EXIT to exit the Factory Menu...
  • Page 20 4 .Factory Mode adjustment...
  • Page 21 4 .Factory Mode adjustment 4.2.1 Picture...
  • Page 22 4 .Factory Mode adjustment 4.2.2 SOUND...
  • Page 23 Trouble Shooting • Mainboard not work Panel not work  • 1. Check the “power board “ in 1. Check the LED Back light “set‐up IC ”   main-board whether has 12V output and input  are working . and 5V 5vsb output . 2.Verify if the Mainboard output the   • 2.Verify if the DC/DC right On/Off signal to power board;  convertors have the right output 3.Verify if the Mainboard output the ...
  • Page 24 Trouble Shooting How to know whether the Power board is broken? Check 5VSB is ok take on/off to High then Power Board is broken check 5V/12V is ok Take blacklight control(sw,adj) to high,then check blacklight is shine? Power Board is ok,pls theck mainboard Still having ...
  • Page 25 Trouble Shooting No color for some channel program (black and white) No color for some channel program (blac k and white) Verify if the same Check out of picture and sound  problem exists in other system of this channel channels Change the channel to the right sound  check out of picture system (PAL‐B/G ) and sound system Refer to relative Change R842(UT1) instructions in the...
  • Page 26 Trouble Shooting Poor sound Poor sound Verify if sound system is Change sound  correct . Input Change (LA1,LA8,LA4,LA5 Change Speaker is OK? For ease of use, recommend that customer format the picture and sound Change Amplifier (UA1) settings in the automatic option. Update the software  Still having ...
  • Page 27 Trouble Shooting No sound No picture NO LED indicate Change Power Board Check CN1(5VSB) Remote ON Check CN1ON/OFF High? Change Power Board Check CN1 (5V 12V) Change UL1 UL1(3.3Vsb) Check Change UD6/UD2 UD1 Check UD6/UD2 (1.15V) UD1(1.5V) Check Y1(24MHz) Change Y1 Change mainchip U1 Change Mainboard...
  • Page 28 Trouble Shooting AV No sound but have picture Check if there is sound input signal Check the input source Check if there is signal at CI10 CI11 Check if there is signal at CA3 CA54 Replace U1 Check if there is signal at CNA6 Replace LA1，LA4，LA5，LA8 Check the speakers Still having  problems...
  • Page 29 Trouble Shooting No picture but have sound test if CN2-3/4pin（3.3V） Check if Blacklight is Replace is normal shine QD3/QD5 Check if there is +12V at Pin50 in CNW8AD Replace Power Replace Board Blacklight Replace the module Change LVDS wire...
  • Page 30 IC Introduction • 1.P-MOS FOR LVDS_POWER CONTROL —4459(UM1) • 2.LDO FOR SYSTEM 3.3V_STANDBY —AZ1117-3.3V(UL1) • 3.LDO FOR SYSTEM 3.3V_WIFI —AZ1117-3.3V(UL4) • 4.WIFI IC—MT7601(UF3) • 5.AMPLIFIER —TAS5707(UA1) • 6.LDO FOR SYSTEM 3.3V_MORMAL —AZ1117-3.3V(UL2) • 7.DC TO DC 5V-1.5V FOR DDR POWER —SY8089(UD1) •...
  • Page 31 6.Trouble Shooting Main Board general picture...
  • Page 32 5. Software Update 2. Then input USB , press 3. Now you should press “Yes“ "MENU" and choose " SETUP " TV begin to update. You should reset TV choose " ALL " and then press after the upgrade. “OK". choose " Software Update(USB) "...
  • Page 33 5. Software Update How to download the software? Haier LE65U6500U F/W update with USB SOP 5.1: Ready for F/W Update 1. Prepare a USB memory . current upgrade file which is a folder including 2. Copy the Image.code.bin and Image. save from your computer to the USB...
  • Page 34 4 .Factory Mode adjustment 4.2.5 CHANNEL SETTING...
  • Page 35 4 .Factory Mode adjustment 4.2.4 GENERAL SATTING...
  • Page 36 4 .Factory Mode adjustment 4.2.3 DEBUG...
  • Page 37 Trouble Shooting Power board not work  1.Verify if the power cord connect well?  Verify the power cord+5V standby is   working. 3. Check if voltage of the POWER ON/OFF   of the power board part is on the high  level voltage 4. +12V/+5V output ;check if there is   +12V/+5V output on the power board Check if Main board / LVDS wire / Panel   are in good condition ?

  • Page 38: 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 39 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.
  • Page 40 INSTALLATION PRESET MODE V.Freq.(Hz) H.Freq.(KHz) RESOLUTION 640*480 31.47 800*600 37.88 1024*768 48.36 1280*1024 63.98 1366*768 47.71 67.50 1920*1080 - 19 -...
  • Page 41 INSTALLATION AV EQUIPMENT There are three 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. The HDMI2 port is MHL enabled. You can connect MHL devices, such as the compatible mobile phones and tablets.

  • Page 42: 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 43 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 44 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 45 S e r v i c e M a n u a l Mo d el N o. : 6. Operation Instructions Basal information Front panel Panel keys SOURCE MENU V- CH- CH+ Standby 1．SOURCE： Display the input source menu. 2．MENU：...
  • Page 46 Service Manual Model No.: 6-3 Setting Up Your Remote Control 1.Press to turn on and off the TV. 2.USB: Press to launch the USB multimedia mode. 3.Select a closed caption option. 4.Press to input a channel. 5.Press to select the digital sub-channels.For example, to enter “54-3”, press“54”,“●”, and then “3”.
  • Page 47 3. Other problem Mainboardnot work  1.check if the power supply have 12V and 5V output.  2.Verify if the DC/DC convertors have the right output (3.3V,1.8V,1.2V).  3.Verify if the Mainchip(MSD6306PUS), DDR2, AudioAMP…solder well;  4.Verify if the FLASH(U18) has the right software and work well; ...
  • Page 48 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 49 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 50 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 51 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 52 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 53 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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