Haier LE65U6500U Service Manual Download | Manualshive

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Service Manual

Model No.:

7-3 .Wiring Connection Diagram

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NO.Name

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4

Connection Wire(For Remote and Keyboard)

Connection Wire(For Speaker)

LVDS Wire

Connection Wire(Power For Mainboard)

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Summary of Contents for LE65U6500U

Page 1: ...gs 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 WARNING LE 5U6500U Model No ...

Page 2: ... 4 1 Remove the Pedestal 6 8 8 8 8 11 14 14 4 2 Remove the Back Cover 14 4 3 Remove the Adhesive Tape 14 4 4 Remove the Main Board 15 4 5 Remove the Speaker 15 4 6 Remove the Remote Control Board 16 5 Installation Instructions 17 5 1 External Equipment Connections 17 5 2 HDMI Connections 21 6 Operation Instructions 24 6 1 Front Panel Controls 6 2 Back Panel Controls 6 3 Universal Remote Control 24...

Page 3: ...le shooting 51 9 1 Simple Check 51 9 2 Main Board Failure Check 9 3 Panel Failure 52 58 8 1 How to enter into the factory model 8 2 How to update software 48 49 8 Measurements and Adjustments 37 8 3 How to enter into the Hotel Model 50 ...

Page 4: ...ngerous to make any king of contact with any inside part of this product This symbol indicates that there are important operating and maintenance instructions in the literture accompanying the appliance 1 3 2 Be careful to the electrical shock to rain or excessive moisture This TV must not be exposed to dripping or splashing water 1 3 3 Electro static discharge ESD Some semiconductor solid state d...

Page 5: ...ks with which receivers covered by this service manual might be equipped CAUTION eiver 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90...

Page 6: ...ces 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 ncidence of component damage caused by static by static ...

Page 7: ...elow Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference ...

Page 8: ... Display 16 7M No of Preset Channels OSD Language English Color System PAL NTSC SECAM Audio System DK BG I M L L Audio Output Power Built in W 8W 2 Audio Output Power outer W No Total Power Input W 108W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 10 4 Gross Weight KG 13 8 Net Dimension MM 1128x63x656 Packaged Dimension MM 1128x260x696 AC 100 240V 510 DTV 100 ATV ...

Page 9: ... 08 Service Manual Model No 3 Location of Controls and Components 3 1 Board Location No Description 3 2 Main Board A Board A Board Mainboard B Board Power Supply B Board ...

Page 10: ...D 2 2 BL ADJ UST 3 3 5V 4 4 5 5 POWER ON OFF 6 5VSTB 7 5V 8 5V 9 GND 10 GND 11 GND 12 12V 13 12V Notes J20 Pin 3 Backlight on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path J20 Pin 5 System power on standby System board will use this pin to control system power J20 Pin 3 Control the luminance of backlight The system can generate the PWN sig...

Page 11: ...peaker connector CN601 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK Pin number Signal name Description 1 LED_R LAMP RED 2 LED_G LAMP GREEN 3 4 IR REMOTE CONTROL 5 GND GND 6 5V POWER FOR REMOTE 7 KEY1 KEY0 10 GND 8 9 NC STANDBY ...

Page 12: ...nction Description Supply power for Main board Panel 3 3 2Connectordeﬁnition Service Manual Model No 11 CON201 Pin number Signal name 1 GND 2 GND 3 4 5V 5 POWER ON OFF 6 5VSTB 7 5V 8 5V 9 10 SGND 11 GND 12 12V 13 12V ON BK ADJ ...

Page 13: ...3 4 LED Panel 12 Service Manual Model No MTC500BLU C09F CMO V500HJ1 PE8 ...

Page 14: ...tial data input Channel 1 15 ORX1 Odd pixel Positive LVDS differential data input Channel 1 16 ORX2 Odd pixel Negative LVDS differential data input Channel 2 17 ORX2 Odd pixel Positive LVDS differential data input Channel 2 4 18 GND Ground 19 OCLK Odd pixel Negative LVDS differential clock input 20 OCLK Odd pixel Positive LVDS differential clock input 4 21 GND Ground 22 ORX3 Odd pixel Negative LVD...

Page 15: ...pixel Positive LVDS differential data input Channel 3 4 40 N C No Connection 41 N C No Connection 42 N C No Connection 43 N C No Connection 1 44 GND Ground 45 GND Ground 46 GND Ground 47 N C No Connection 1 48 VCC Power input 12V 49 VCC Power input 12V 50 VCC Power input 12V 51 VCC Power input 12V Note 1 Reserved for internal use Please leave it open Note 2 Connect to Open or 3 3V VESA Format conn...

Page 16: ...4 Disassemble and assemble Remove the adhesive tape indicated on the faces upward 4 2Remove the Back Cover unit Service Manual Model No 14 4 1 Remove the Pedestal 4 3 Remove the adhesive tape ...

Page 17: ...4 4 Remove the Main board Service Manual Model No 15 CN508 CN202 J20 CN601 4 5 Remove the speaker Take out the speaker ...

Page 18: ...4 6 Remove the remote control take out the Remote Control and Keypad Assembly Service Manual Model No 16 4 7 Remove the Power Supply ...

Page 19: ...axial 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 To improve picture quality from an antenna in a poor signal area install a signal If you need to split the antenna signal to connect two TVs install a two way splitter Service Manual Model No 17 ...

Page 20: ...o cable 2 Connect power cord 3 Power on the TV switch to PC mode 4 Power on the PC This sequence is very important PC Note Aerial connections IEC female Input impendance 75 unbalanced The TV appearance subject to material object 18 RF VGA PC AUDIO COMMON INTERFACE CI HEADPHONE HDMI1 ARC HDMI2 USB ...

Page 21: ...TE PC V Freq Hz not more than 60Hz 1 2 3 640 480 800 600 60 60 31 47 37 88 RESOLUTION V Freq Hz H Freq KHz 1024 768 60 48 36 PRESET MODE HDMI 1 2 3 800 600 1024 768 60 60 37 88 48 36 RESOLUTION V Freq Hz H Freq KHz 1366 768 60 47 71 4 1280 768 60 47 3 5 1920 1080 60 67 5 4 5 1366 768 60 47 71 1280 1024 60 63 98 6 1920 1080 Only for 40 60 67 5 19 ...

Page 22: ...A PC AUDIO COMMON INTERFACE CI HEADPHONE HDMI1 ARC HDMI2 USB G R B R W Amplifier AC INPUT 100 240V 50 60Hz VIDEO Y Pb Pr L R DIGITAL AUDIO OUTPUT COAXIAL SCART HDMI3 20 This TV provides one group of AV one group of YPbPr for convenient connection to VCR DVDor other video equipment Please refer to the owner s manual of the equipment to be connected as well You can use the input terminals on TV set ...

Page 23: ... menu When the source device DVD player or Set Top Box supports DVI How To Connect 1 Connect the source device to HDMI port of this TV with a HDMI to DVI cable not supplied with this product 2 A separated audio connection is necessary 3 If the source device has an analog audio output connector connect the source device audio output to DVI Audio In port located on the PC port How To Use If the sour...

Page 24: ...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 Service Manual Model No 22 ...

Page 25: ...eration 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 simply unplug the unit from the AC outlet and plug it back in The unit should return to normal operation Service Manual Model No 23 ...

Page 26: ...TANDBY SOURCE MENU V V CH CH Standby 1 2 3 4 5 3 2 30 30 1 Service Manual Model No 6 Operation Instructions 6 1 Front panel controls 24 Rear Side Sockets 1 AC Power Source 2 input 3 L R AUDIO input 4 input 5 digital audio output input 10 PC AUDIO input 11 HEADPHONE analogue audio output 12 YPbPr input 13 14 input 15 input DIGITAL AUDIO OUTPUT COAXIAL 6 input HDMI3 HDMI1 ARC COMMON INTERFACE CI VGA...

Page 27: ...ess to display the channel information In teletext mode press to revealthe hidden information Press to open the channel list In teletext mode press to switch the image to top bottom or full 3D WORLD These models do not support 3D feature Press to close the on screen menu In teletext mode press to hide the text 16 17 18 19 20 21 22 23 24 25 26 Press to select previous or next file previous next Pre...

Page 28: ...tomatically displayed successively This key is used to stop or resume sub page acquisition The indication appears top left To freeze the page To display or hide the concealed information games solutions This is used to call or exit teletext modes The summary appears with a list of items that can be accessed Each item has a corresponding 3 digit page number If the channel selected does not broadcas...

Page 29: ...D50 PICD5201 PICD5202 COCD52 PICD8601 PICD8602 COCD86 PICD8701 PICD8702 COCD87 PICL101 PICL102 COCL1 PICL201 PICL202 COCL2 PICL301 PICL302 COCL3 PICL401 PICL402 COCL4 PICL501 PICL502 COCL5 PICL601 PICL602 COCL6 PICL701 PICL702 COCL7 PICL801 PICL802 COCL8 PICL901 PICL902 COCL9 PICL1001 PICL1002 COCL10 PICL1101 PICL1102 COCL11 PICL1201 PICL1202 COCL12 PICL1301 PICL1302 COCL13 PICL1401 PICL1402 COCL1...

Page 30: ...2502 COR25 PIR2601 PIR2602 COR26 PIR2701 PIR2702 COR27 PIR2901 PIR2902 COR29 PIR3001 PIR3002 COR30 PIR3101 PIR3102 COR31 PIR3201 PIR3202 COR32 PIR9901 PIR9902 COR99 PIRI101 PIRI102 CORI1 PIRI401 PIRI402 CORI4 PIRI3701 PIRI3702 CORI37 PIRR101 PIRR102 CORR1 PIRR201 PIRR202 CORR2 PIU10AA1 PIU10AA3 PIU10AA4 PIU10AA5 PIU10AB2 PIU10AB3 PIU10AB4 PIU10AB5 PIU10AB6 PIU10AC1 PIU10AC2 PIU10AH6 PIU10AJ1 PIU10...

Page 31: ...A28 PIU10AA29 PIU10AB9 PIU10AB10 PIU10AB14 PIU10AB15 PIU10AB18 PIU10AB19 PIU10AB21 PIU10AB22 PIU10AB23 PIU10AB26 PIU10AB27 PIU10AB28 PIU10AB29 PIU10AB30 PIU10AC6 PIU10AC21 PIU10AC22 PIU10AC23 PIU10AC24 PIU10AC28 PIU10AC29 PIU10AC30 PIU10AC31 PIU10AC32 PIU10AD7 PIU10AD8 PIU10AD9 PIU10AD21 PIU10AD22 PIU10AD23 PIU10AD24 PIU10AD25 PIU10AD26 PIU10AD27 PIU10AD28 PIU10AD29 PIU10AD30 PIU10AD31 PIU10AD32 P...

Page 32: ...COC177 PIR3501 PIR3502 COR35 PIR3601 PIR3602 COR36 PIR3701 PIR3702 COR37 PIR3801 PIR3802 COR38 PIR3901 PIR3902 COR39 PIR4001 PIR4002 COR40 PIR4101 PIR4102 COR41 PIR4201 PIR4202 COR42 PIR4301 PIR4302 COR43 PIR4401 PIR4402 COR44 PIR4501 PIR4502 COR45 PIR4601 PIR4602 COR46 PIR4701 PIR4702 COR47 PIR4801 PIR4802 COR48 PIR4901 PIR4902 COR49 PIR5001 PIR5002 COR50 PIR5101 PIR5102 COR51 PIR5201 PIR5202 COR...

Page 33: ...15202 COC152 PIC15301 PIC15302COC153 PIC15401 PIC15402COC154 PIC15501 PIC15502 COC155 PIC15601 PIC15602 COC156 PIC17501 PIC17502 COC175 PIL601 PIL602 COL6 PIL701 PIL702 COL7 PIL801 PIL802 COL8 PIR301 PIR302 COR3 PIR601 PIR602 COR6 PIR701 PIR702 COR7 PIR801 PIR802 COR8 PIR1401 PIR1402 COR14 PIR1701 PIR1702 COR17 PIR3301 PIR3302 COR33 PIR3401 PIR3402 COR34 PIR7901 PIR7902 COR79 PIR8001 PIR8002 COR80...

Page 34: ...08 PICNK209 PICNK2010 PICNK2011 PICNK2012 PICNK2013 PICNK2014 COCNK2 PIQK20B PIQK20C PIQK20E COQK2 PIQM20B PIQM20C PIQM20E COQM2 PIRK201 PIRK202 CORK2 PIRK1301 PIRK1302 CORK13 PIRK1501 PIRK1502 CORK15 PIRK1801 PIRK1802 CORK18 PIRK1901 PIRK1902 CORK19 PIRK2001 PIRK2002 CORK20 PIRK2401 PIRK2402 CORK24 PIRK2601 PIRK2602 CORK26 PIRK2701 PIRK2702 CORK27 PIRK2801 PIRK2802 CORK28 PIRK2901 PIRK2902 CORK29...

Page 35: ...PICI3601 PICI3602 COCI36 PICI3801 PICI3802 COCI38 PICN301 PICN302 PICN303 PICN304 PICN305 PICN306 COCN3 PICN401 PICN402 PICN403 PICN404 PICN405 PICN406 COCN4 PICN601 PICN602 PICN603 PICN604 PICN605 PICN606 COCN6 PICN701 PICN702 PICN703 PICN704 PICN705 PICN706 COCN7 PICN801 PICN802 PICN803 PICN804 PICN805 PICN806 PICN807 PICN808 PICN809 PICN8010 PICN8011 PICN8012 PICN8013 PICN8014 PICN8015 PICN8016...

Page 36: ...N24017 PICN24018 PICN24019 PICN24020 PICN24021 PICN24022 PICN24023 PICN24024 PICN24025 PICN24026 PICN24027 PICN24028 PICN24029 PICN24030 PICN24031 PICN24032 PICN24033 PICN24034 PICN24035 PICN24036 PICN24037 PICN24038 PICN24039 PICN24040 PICN24041 PICN24042 PICN24043 PICN24044 PICN24045 PICN24046 PICN24047 PICN24048 PICN24049 PICN24050 PICN24051 PICN24052 PICN24053 PICN24054 PICN24055 PICN24056 PIC...

Page 37: ...2 PICN2003 PICN2004 COCN20 PIDH100A PIDH100K CODH10 PIDH110A PIDH110K CODH11 PIDH1701 PIDH1702 PIDH1703 CODH17 PILH101 PILH102 COLH1 PILH201 PILH202 COLH2 PILH301 PILH302 COLH3 PILH401 PILH402 COLH4 PILH501 PILH502 COLH5 PILH601 PILH602 COLH6 PIQH10B PIQH10C PIQH10E COQH1 PIQH20B PIQH20C PIQH20E COQH2 PIQH30B PIQH30C PIQH30E COQH3 PIQH40B PIQH40C PIQH40E COQH4 PIQH50B PIQH50C PIQH50E COQH5 PIR2001...

Page 38: ...T1601 PICT1602 COCT16 PICT1801 PICT1802 COCT18 PICT1901 PICT1902 COCT19 PICT2001 PICT2002 COCT20 PICT2201 PICT2202 COCT22 PICT2501 PICT2502 COCT25 PICT2601 PICT2602 COCT26 PICT2701 PICT2702 COCT27 PICT2801 PICT2802 COCT28 PICT2901 PICT2902 COCT29 PICT3001 PICT3002 COCT30 PICT3101 PICT3102 COCT31 PICT3201 PICT3202 COCT32 PICT3301 PICT3302 COCT33 PICT3501 PICT3502 COCT35 PICT4601 PICT4602 COCT46 PIC...

Page 39: ... PICT5002COCT50 PICT5401 PICT5402 COCT54 PICT5701 PICT5702 COCT57 PICT5801 PICT5802 COCT58 PICT5901 PICT5902 COCT59 PICT6001 PICT6002 COCT60 PICT6101 PICT6102COCT61 PICT6201 PICT6202 COCT62 PICT6301 PICT6302 COCT63 PICT6401 PICT6402 COCT64 PICT6501 PICT6502 COCT65 PICT6601 PICT6602 COCT66 PICT6701 PICT6702 COCT67 PICT6801 PICT6802 COCT68 PILT1001 PILT1002 COLT10 PIRT301 PIRT302 CORT3 PIRT801 PIRT8...

Page 40: ... PICA2501 PICA2502 COCA25 PICA2601 PICA2602 COCA26 PICA2701 PICA2702 COCA27 PICA2801 PICA2802 COCA28 PICA2901 PICA2902 COCA29 PICA3001 PICA3002 COCA30 PICA3101 PICA3102 COCA31 PICA3201 PICA3202 COCA32 PICA3301 PICA3302 COCA33 PICA3401 PICA3402 COCA34 PICA3501 PICA3502 COCA35 PICA3601 PICA3602 COCA36 PICA3701 PICA3702 COCA37 PICA3801 PICA3802 COCA38 PICA3901 PICA3902 COCA39 PICA4001 PICA4002 COCA40...

Page 41: ...NW8C056 PICNW8C057 PICNW8C058 PICNW8C059 PICNW8C060 PICNW8C061 COCNW8C PICNW8D01 PICNW8D02 PICNW8D03 PICNW8D04 PICNW8D05 PICNW8D06 PICNW8D07 PICNW8D08 PICNW8D09 PICNW8D010 PICNW8D011 PICNW8D012 PICNW8D013 PICNW8D014 PICNW8D015 PICNW8D016 PICNW8D017 PICNW8D018 PICNW8D019 PICNW8D020 PICNW8D021 PICNW8D022 PICNW8D023 PICNW8D024 PICNW8D025 PICNW8D026 PICNW8D027 PICNW8D028 PICNW8D029 PICNW8D030 PICNW8D0...

Page 42: ...Service Manual Model No 7 3 Wiring Connection Diagram 36 1 2 4 3 NO Name 1 2 3 4 Connection Wire For Remote and Keyboard Connection Wire For Speaker LVDS Wire Connection Wire Power For Mainboard ...

Page 43: ...ugal Poland Italy Hungary Luxembourg Norway HOME or Shop modes 1 When the unit is turn on for the very first time it will show Initialization set up menu After the OSD language is set the user can choose between shop mode and home mode When the screen shows the following setting menu and the cursor stays on the home mode choice press to adjust and OK to enter the menu Select the usage mode shop mo...

Page 44: ...nd Italy Hungary Luxembourg Norway 5 Channel tuning will commence This operation may take up to minutes The display will show the progress of the tuning and the number of channels found 6 If you want to skip the ATV tuning press the MENU button to interrupt the tuning half way A pop up screen will be displayed press the button to select YES to confirm You will then go straight to DTV tuning You ma...

Page 45: ...This operation may take up to The display will show the progress of the tuning and the number of channels found 7 If you want to skip the ATV tuning press the MENU button to interrupt the tuning half way A pop up screen will be displayed press the button to select YES to confirm You will then go straight to DTV tuning You may repeat the above step if you also want to skip the DTV tuning An install...

Page 46: ...Press the buttons to select DTV Manual Tuning and then press the OK button 3 The CADTV Manual Tuning screen will pop up Press the buttons to select Frequency Symbol ks s QAM Type QAM press the OK button to commence the search of that channel When the signal has been tuned the picture and signal strength will be displayed on the screen 4 Press the MENU button to return back to the main menu 5 Press...

Page 47: ...n the input signal volume is too large or distortion 4 TIME MENU The fourth item of the menu is the TIME MENU You can adjust the clock power on off time sleep timer etc The second item of the MENU is PICTURE MENU You can adjust picture effect here such as contrast brightness etc 2 PICTURE MENU Operation Move Skip Picture Mode Standard Contrast 50 Brightness 50 Color 50 Sharpness 50 Tint 50 Color T...

Page 48: ...een made to the TV for example no channel or volume changes the TV will start the automatic power down sequence And pop up window will appear on screen After 150 seconds the TV will automatically switch to standby To override the automatic shutdown press any button on the remote control 2 To cancel the automatic power down On the Option Menu select Automatic power down 4H Press left right A pop up...

Page 49: ...ecord Limit is 6 hour if the space on the disk is big enough If the space is not big enough the record time should be shorter depends on the room on the device During the check PVR File System checking please do not take any other operation until it finished The recordings must be done with the TV PVR system It can only be played in the same TV not in any other kind of device computer DVD etc whic...

Page 50: ...con still on the left top It will disappear until you click stop The program recorded on the USB will be saved in the folder _MSTPVR on the device 1 The USB storage size can be between 128MB and 500GB in size but for practical use 2GB to 500GB is recommended 2 Video may become pixelated when Video bit rate is too low This can be caused by connecting a USB extension cable instead of plugging the US...

Page 51: ...at Select to format the USB device and allocate the amount of space for the Time Shift function The format process will take at least 2 minutes Please do not turn off the power or remove the USB device during formatting During formatting a speed test will be done on the USB device If it fails it means the USB device may not support the Time Shift function Record a paused DTV program to USB storage...

Page 52: ... when Video bit rate is too low 7 Not all USB devices are compatible The USB hard disk drive electricty should be 500MA Below is a list of recommended USB drvies Models that are not listed may be compatible but it is not guaranteed to work 8 This feature is not available for all digital TV such as scrambled or audio only channels San Disk Extreme Contour USB Flash Drive 8GB SDCZ8 8192 E75 San Disk...

Page 53: ...tton to exit the control bar except for music You can adjust the audio track or program in the Info menu while Playing the video file Choose the Info icon and press OK can display the Info MENU USB playback is supported for the following photo file formats JPEG JPEG format files with the extension jpg BMP files with the extension bmp PNG files with the extension png USB playback is supported for t...

Page 54: ...nce of each signal source 4 SSC to adjust the spectrum for passing the EMC test 5 special set 1 2hour off for Aging test 2 WDT watch dog 3 white pattern set pure color output for the panel used at the checking and aging test for panel 4 reset 5 set the recorder 6 set power on screen display 6 QMAP adjust adjust color quality 7 PEQ set sound EQ 8 sw information to check the sofeware information 9 U...

Page 55: ...e You should reset TV after update Note When Upgrade on the process please don t Power Off Haier MSD308C F W upgrade with USB SOP Step 1 Ready for F W Upgrade 1 1 Prepare a USB memory 1 2 Copy the software file merg bin from your computer to the USB memory and remove it from computer s USB port Step 2 F W Upgrade 2 1 AC ON 8 2 How to update software ...

Page 56: ...hannel 6 Start Menu Display 7 Input Source Change 8 Save to USB 9 Loaking 10 Volume Default Hotel mode switch Panel key lock Hotel mode can adjust the maximum volume Hotel mode locking TV signal source Hotel mode locking program channels Hotel Mode menu is displayed Hotel mode is to display the Source U disk data will be cloned into the machine TV related equipment will be copied to the system U d...

Page 57: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 51 ...

Page 58: ... Power supply Display Trouble Audio Trouble Function Trouble T MS6488 U801 Trouble Shooting TV Author longshudong Checked By chenxiangwu POWER Author Checked By ...

Page 59: ... Check the circuit of UL1 OK NG TV Power supply Trouble OK 1 check CD3 for 1 5V NG 1 Check the circuit of UD1 1 POWER ON and Check ED2 for 5V 2 Check CD11 for 1 2V 3 Check CD11 for1 05V 1 check the circuit of QD1 and power board 2 check the circuit of UD3 3 check the circuit of UD6 Power supply ...

Page 60: ...the board Check if the LED panel is OK 1 Reconnect the cable 2 Change the V by one cable Change panel Check if between the V by one jack and MSD6488MVE are well soldered Repair the damage circuit Change MSD6488MVE 1 abnormal screen OK NG OK NG NG OK Display Trouble ...

Page 61: ...the switch signal on the G pole of UM1 Check the V by one signal from MSD6488MVE Check UM1 or change UM1 Repair control circuit for QM2 Change the panel or the V by one cable Change MSD6488MVE 2 white screen NG OK NG OK NG OK Display Trouble ...

Page 62: ...eck BL_ON Signal 5V 3 3V Check the power supply for inverter Change software or change MSD6488MVE 3 black screen NG OK Check the ADJ PWM singnal OK Change software or change MSD6488MVE NG Display Trouble ...

Page 63: ...r the speaker Check pin2 3 34 35 40 41 44 45of UA1 TPA5707PHPR for the power supply 24V NG NG 1 Check peripheral power supply 2 check the power supply NG OK Check the voltage 3 3V on pin19of UA1 Change software or change MSD6488MVE Check the signal output from pin 21 pin 22 of MSD6488MVE NG OK Check if the audio signal input to MSD6488MVE is Ok OK OK Repair the circuit between MSD6488MVE and UA1 A...

Page 64: ...ipment Check the Pin11 Pin18 Pin24 of UT1 for 3 3V 1 Repair the power net connecting to this pin 2 change UT1 Check the RT12 RT13 for I2C data Check the CT34 CT69 for IF signal Check the Software Repair I2C net NG OK NG OK NG OK OK OK Function Trouble Repair the Tuner IF circuit NG ...

Page 65: ...pair external RF equipment Check the CT31 For 3 3V change the LT17 Check the RT12 RT13 for I2C data Check the CT34 CT69 for IF signal 1 Check the Software 2 change MSD6488MVE Repair I2C net NG OK NG OK NG OK OK NG Repair the Tuner IF circuit OK Function Trouble ...

Page 66: ...gnal CVBS no signal 1 HDMI terminal is badly soldered 2 DDC setting is wrong and reset it 3 Change MSD6488MVE 1 Repair the front and end of input circuit 3 HDMI YPbPr CVBS 1 Repair the front and end of input circuit 2 Change MSD6488MVE Function Trouble ...

Page 67: ...or cracking Dim or L D TCP Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D H o r i z o n t a l line light or dark forever ...

Page 68: ...er Bubble Bladder in Polarizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F M i n s i d e Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Flashing B r i g h t a n d d a r k display alternately 59 ...

Page 69: ...display Maybe caused by surge current and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 I C s h o r t o r jointion bad 3 Pannel and vsc connect bad ...

Page 70: ...ss between wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundi...

Page 71: ...ription Phenomena Failure cause Mechanlcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage ...

Page 72: ...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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