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SERVICE MANUAL

LED TV

Chassis

MSD

6488

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.

WARNING

LE

55

Q

6500U

Model No.

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Содержание LE55Q6500U

Страница 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 LE55Q6500U Model No ...

Страница 2: ...d Assemble 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 ...

Страница 3: ...le shooting 38 9 1 Simple Check 38 9 2 Main Board Failure Check 9 3 Panel Failure 39 46 8 1 How to enter into the factory model 8 2 How to update software 35 36 8 Measurements and Adjustments 32 8 3 How to enter into the Hotel Model 37 ...

Страница 4: ...instructions in the literture accompanying the appliance 1 3 2 Be careful to the electrical shock 7R SUHYHQW GDPDJH ZKLFK PLJKW UHVXOW LQ HOHFWULF VKRFN RU UH GR QRW H SRVH WKLV 79 VHW to rain or excessive moisture This TV must not be exposed to dripping or splashing water DQG REMHFWV OOHG ZLWK OLTXLG VXFK DV YDVHV PXVW QRW EH SODFHG RQ WRS RI RU DERYH WKH 79 1 3 3 Electro static discharge ESD Som...

Страница 5: ... UHFHLYHU RQO WKH WHVW WXUHV VSHFL HG LQ WKLV VHUYLFH PDQXDO CAUTION R QRW FRQQHFW WKH WHVW WXUH JURXQG VWUDS WR DQ KHDW VLQN LQ WKLV UHFeiver 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 compar...

Страница 6: ... 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 electricity 4 Use only an anti static type solder removal device So...

Страница 7: ...ibed in the table below 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 persona...

Страница 8: ...6 7M No of Preset Channels OSD Language English Color System NTSC Audio System DK BG I M L L Audio Output Power Built in W 10W 2 Audio Output Power outer W No Total Power Input W 198W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 17 7 Gross Weight KG 18 2 Net Dimension MM Packaged Dimension MM AC 100 240V Cable 1 135 Air 2 69 ATV DTV 1463x71x845 mm 1463x260x890mm ...

Страница 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 ...

Страница 10: ... 5 POWER ON OFF 6 5VSTB 7 5V 8 5V 9 GND 10 GND 11 GND 12 12V 13 12V Notes J16 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 J16 Pin 6 System power on standby System board will use this pin to control system power J16 Pin 2 Control the luminance of backlight The system can generate the PWN signal to control the strength o...

Страница 11: ...peaker connector J17 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 ...

Страница 12: ...Function 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 GND 10 GND 11 GND 12 12V 13 12V NC ...

Страница 13: ...3 4 LED Panel 12 Service Manual Model No V650HP1 PS6 ...

Страница 14: ... data input Pair 1 15 CH1 1 First pixel Positive LVDS differential data input Pair 1 16 CH1 2 First pixel Negative LVDS differential data input Pair 2 17 CH1 2 First pixel Positive LVDS differential data input Pair 2 8 18 GND Ground 19 CH1CLK First pixel Negative LVDS differential clock input 20 CH1CLK First pixel Positive LVDS differential clock input 8 21 GND Ground 22 CH1 3 First pixel Negative...

Страница 15: ...S differential clock input 36 CH2CLK Second pixel Positive LVDS differential clock input 8 37 GND Ground 38 CH2 3 Second pixel Negative LVDS differential data input Pair 3 39 CH2 3 Second pixel Positive LVDS differential data input Pair 3 40 CH2 4 Second pixel Negative LVDS differential data input Pair 4 41 CH2 4 Second pixel Positive LVDS differential data input Pair 4 8 42 LD_EN Input signal for...

Страница 16: ...semble 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 Fig 1 Parts number 209030414Z1 Specification 4 14PM ...

Страница 17: ...3 Disassemble and Assemble Fig 1 1 Remove the screw indicated with Fig 1 3 5 Remove the IR board ...

Страница 18: ...3 Disassemble and Assemble Fig 1 1 Remove the screw indicated with Fig 1 3 6 Remove the Power board ...

Страница 19: ...4 Factory Mode adjustment 4 1 1 How to enter Factory Menu Press Menu and 8893 Press EXIT to exit the Factory Menu ...

Страница 20: ...4 Factory Mode adjustment ...

Страница 21: ...4 Factory Mode adjustment 4 2 1 Picture ...

Страница 22: ...4 Factory Mode adjustment 4 2 2 SOUND ...

Страница 23: ...ify if the NANDFLASH U2 has the right software and work well 5 Verify if the Y1 Crystal has the right frequency Panel not work 1 Check the LED Back light set up IC output and input are working 2 Verify if the Mainboard output the right On Off signal to power board 3 Verify if the Mainboard output the LVDS singal to panel T con board 4 Verify if the software is the right version of this model 5 Cha...

Страница 24: ...t is shine How to know whether the Power board is broken Still having problems Trouble Shooting Check if Main board LVDS wire Panel are in good condition No Yes take on off to High then check 5V 12V is ok No Power Board is broken Yes No Yes Power Board is ok pls theck mainboard ...

Страница 25: ... to relative instructions in the Manual for color adjust No No Yes Yes Check out of picture and sound system of this channel Change the channel to the right sound system PAL B G No color for some channel program black and white Still having problems Trouble Shooting Updata the software and make the reboot or change the maiboard No Change R842 UT1 ...

Страница 26: ...o Update the software and make the reboot Still having problems For ease of use recommend that customer format the picture and sound settings in the automatic option Trouble Shooting Yes Change LA1 LA8 LA4 LA5 No Change Amplifier UA1 Change Speaker is OK No Change MainBoard No ...

Страница 27: ...5VSB Change Power Board No Check CN1ON OFF High Remote ON No Yes Check CN1 5V 12V Change Power Board No Yes Check UL1 3 3Vsb Change UL1 No Yes Check UD6 UD2 1 15V UD1 1 5V Change UD6 UD2 UD1 No Yes Check Y1 24MHz Change Y1 No Yes Change mainchip U1 No Change Mainboard ...

Страница 28: ...d Still having problems Check if there is sound input signal Check the input source Yes Check if there is signal at CA3 CA54 Check if there is signal at CI10 CI11 No Yes Check the speakers Replace U1 No Check if there is signal at CNA6 Yes Replace LA1 LA4 LA5 LA8 No ...

Страница 29: ...if there is 12V at Pin50 in CNW8AD No Replace the UM1 Yes Check if Blacklight is shine Yes No test if CN2 3 4pin 3 3V is normal Trouble Shooting Change LVDS wire No Replace QD3 QD5 Replace Power Board Yes Replace Blacklight module No ...

Страница 30: ... 3 3V UL2 7 DC TO DC 5V 1 5V FOR DDR POWER SY8089 UD1 8 DC TO DC 5V 1 05V FOR SYSTEN CPU POWER MSH6110A UD6 9 10 12 13 DDR3 NT5CB128M16IP EK U3 U4 U5 U6 11 DC TO DC 5V 1 2V FOR SYSTEM CORE POWER MP2225GJ UD3 14 MAIN CHIP MSD6488 U1 15 NAND FLASH MX30LF4G18AC U2 16 DC TO DC FOR DVB T2 DEMO 1 15V RT9059 UT5 17 DVB T2 DEMOD MSB102KA UT3 18 NOR FLASH MX25L4006E UT4 19 LDO FOR 3 3V_TUNER AZ1117 3 3V UT...

Страница 31: ...6 Trouble Shooting Main Board general picture ...

Страница 32: ...and choose SETUP choose ALL and then press OK choose Software Update USB 5 Software Update 3 Now you should press Yes TV begin to update You should reset TV after the upgrade Note When Update on the process please don t Power Off ...

Страница 33: ... for F W Update 1 Prepare a USB memory 2 Copy the current upgrade file which is a folder including Image code bin and Image save from your computer to the USB memory make sure this folder at the root directory then remove USB from computer 5 2 F W Update 1 AC ON 5 Software Update ...

Страница 34: ...4 Factory Mode adjustment 4 2 5 CHANNEL SETTING ...

Страница 35: ...4 Factory Mode adjustment 4 2 4 GENERAL SATTING ...

Страница 36: ...4 Factory Mode adjustment 4 2 3 DEBUG ...

Страница 37: ...nect 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 ...

Страница 38: ...l 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 DPSOL HU If you need to split the antenna signal to connect two TVs install a two way splitter Service Manual Model No 17 ...

Страница 39: ...e Input impendance 75 unbalanced STEPS PC 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 USB AV Y Pb Pr VGA HDMI3 PC AUDIO HEADPHONE HDMI2 MHL 18 ...

Страница 40: ...PC INSTALLATION PRESET MODE 1 2 3 4 5 6 640 480 800 600 1024 768 1280 1024 60 60 60 60 31 47 37 88 48 36 63 98 RESOLUTION V Freq Hz H Freq KHz 1366 768 1920 1080 60 60 47 71 67 50 19 ...

Страница 41: ...t located on the back of your TV You can connect a VCR cable box or other video equipment to these jacks Please see the diagram below You may also need to refer to the owner s manual of the device that you are trying to connect The HDMI2 port is MHL enabled You can connect MHL devices such as the compatible mobile phones and tablets NOTE a USB to HDMI cable is required to connect a mobile phone or...

Страница 42: ... 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...

Страница 43: ...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 ...

Страница 44: ... Use the attached power cord only Ŷ I WKH SRODUL HG FRUG GRHV QRW W LQWR D QRQ SRODUL HG RXWOHW GR QRW DWWHPSW WR OH RU FXW WKH EODGH W LV WKH XVHUCV UHVSRQVLELOLW WR KDYH DQ electrician replace the obsolete outlet Ŷ I RX FDXVH D VWDWLF GLVFKDUJH ZKHQ WRXFKLQJ WKH XQLW DQG WKH XQLW IDLOV WR IXQFWLRQ simply unplug the unit from the AC outlet and plug it back in The unit should return to normal oper...

Страница 45: ...I1 1 Remote control sensor 2 Indicator LED RED STANDBY 3 Panel keys 3 2 30 30 1 1 SOURCE Display the input source menu 2 MENU Display main MENU 3 V V Adjust sound level In MENU mode press V or V to adjust the item that you selected 4 CH CH In TV mode press CH or CH to change the channel up and down In MENU mode press CH or CH to select items 5 STANDBY Press this button to turn the unit ON from STA...

Страница 46: ...und settings 12 Open the channel list in TV mode 13 Show the input source menu 14 Switch to the HDMI2 MHL input 15 Press to go to the last viewed channel 16 Switches the TV sound on or off 17 Press to open the on screen display OSD menu 18 Exit the on screen display 19 Press to change the aspect ratio 20 Press to cycle through the available picture modes 21 Press to confirm selections in an on scr...

Страница 47: ...normally 2 Verify if the Mainboard output the right On Off signal to power board 3 Verify if the Mainboard output the LVDS singalto panel T con board 4 Verify if the software is the right version of this model 5 Change the LVDS wire to check if it s broken 46 3 Other problem Power board not work 1 Verify if the power cord connect well 2 check if the power supply if working normally check if the po...

Страница 48: ...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 ...

Страница 49: ...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 47 ...

Страница 50: ...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 ...

Страница 51: ...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...

Страница 52: ...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 ...

Страница 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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