SERVICE MANUAL Haier
Contents
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9. sse enne 32 6 2 Get To Know Your Remote Control 33 Chapter 7 Electrical Parts 1 7 34 249 9 35 7 3 Wiring Connection 43 Chapter 8 Measurements and Adjustments 8 1 Service Mode 44 8 1 1 How to enter into Service 44 8 1 2 How tO exit 44 8 2 Measurements and Adjustments 44 8 2 1 The Main 44 E 8888888 45 AS EA EE EEEN NA 46 Chapter 9 Trouble shooting SDE CEC 47 9 2 Power Supply Board Failure 48 9 3 Mainboard Failure 49 9 4 Pannel 00000008 0800 50 Service Manual Model No L26F6 L32F6 Chapter 1 General Information 1 1 Document Information Document format Adobe PDF Author Compiler 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 After servicing make the foll
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14. Haier SERVICE MANUAL Order No 10125001 0 LCD TV Model 12686 32F6 MST6M36JS Chassis A 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 2010 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law Haier Group Service Manual Model No L26F6 L32F6 1 CONTENTS Chapter 1 General Information 1 1 Document Information 2 200000000000000000000000 3 1 2 General 0 0000201 000 0000 3 52 Important NOTICO esp ees an St A RUM IER 3 1 3 1 Follow the regulations and warnings 3 1 3 2 Be careful to the electrical 3 1 3 3 Electro static discharge ES sancionar 3 1 3 4 About lead free testeo taste ada 4 1 3 5 Use the genewing parts specified 5
15. guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic Service Manual Model No L26F6 1 2256 Chapter 2 Specification 2 1 Specification list Angel of view 160 150 178 178 English English OSD language Portuguese Portuguese Spanish Spanish io sea Audio output power Built in W TWx 2 OW Net weight KG 7 8 KG withstand withstand Gross weight KG 9 5 KG withstand 13 KG withstand 658x200x491 Net dimension withstand with stand 885x180x535 870x267x657 Packaged dimension withstand withstand Service Manual Model No L26F6 L32F6 2 2 External pictures four faces 2 2 1 L26F6 Front Side Left Side Service Manual Model No L26F6 1 2256 No L26F6 L32F6 Right Side MAMAS IAS SANA Back Side 10 Service Manual Model No L26F6 L32F6 2 2 2 L32F6 Front Side 17 3 Le Left Side 11 Service Manual Model No L26F6 1 3256 L26F6 L32F6 Right Side M AAA AAA Back Side 12 Service Manual Model No L26F6 L32F6 Chapter 3 Disassemble and Assemble 3 1 L26F6 3 1 1 Remove the Stand D Lay down the uni
16. Dimming range D PWM Note 2 Note 3 Duty ratio definition PWM Dimming Duty Ratio 25 Service Manual Model No 12626 1 3256 No L26F6 L32F6 LVDS Connector on Panel 093G30 B0001A 1 Manufactured by Starconn 12V DC Regulated Lowe Base HNDCRmad _ Lm GN jewkwiswdRum 7 7 ON A o tor Noma AS HEREDA dad Senor 72 pos anne 775 founda siera Rf VOS 778 RINK iem _ we Ground and Signal Return for LVDS LDS Camel eves _ 9 mw vos 0 ron and Signa _ a vas Clock negate __ GND road ad Signal Rota O 3 jwosCmmeiwmie 0 5 mw jyosCmmdipsie 0 77 frond Signa _ 779 JwewdadSpeiRdum om 0 26 Service Manual Model No L26F6 L32F6 Chapter 5 Installation Instructions 5 1 Accessories 4 oy Alkaline battery Remote controller wner 5 manua 2 5 2 External Equipment Connections Antenna Connection Antenna or Cable Service without a Cable Box Connections Foroptimum picture quality adjust antenna direction if needed Single family Dwellings Houses Connect to
17. OVIVON VIVON ovivd LW1VGW VINON SV1VG C zvivaw gt VIVO PXOOLdHs SzdHevivdW 9 vivan _ gt PvIVOW 891 evi yaw ui NE 99 Wero 0 cg n E avon WA 9 8 gt NN LVL VAN NI 3NH 9 ly 59 0 1 0 00144 gt 6zdH vivaW _ 127 oh aw 20 NN Ounvdnzz e o dlc g evivd SVIVON eJ V VQ 29 oinvanzz zeeo evol 20 evo sero a VC duany 1924 _ 2020 Olviva 3 BEING LLVIVG PXO0LdHs 207 yiyan 09 osano 9 nLO ON 627 ivan nos 894 MOSTA 9924 ELVIVO 5 ewan Jis El MSAC e gt EVIAN ES 4977 pizo UTA d lt SLV1VO VIVO 27 isoa 3uzv 8060 Gee 2 5 5 MSAC 1500 001 180001 961 isan NODA 407 6062 UIAZAV AZAY B A em Woan OOF moa Ser 5 3927 OLED UA ZAV UA ZAV MAE 308 a DOW _ X esgan sano 30291 162 uA S T 10302
18. contrast or brightness in PC mode If noise 1 present change the PC mode to another resolution changethe refresh rateto another rate oradjust the brightness and contrast on the menuuntil the pictureis clear If the refresh rate of the PC graphic card can not bechanged change the PC graphic card orconsult the manufacturer of the PC graphic card NOTES 1 Avoid keeping afixed image onthe TV s screen for along period of Time The fixed image may become permanently imprinted on thescreen 2 hesynchronization input formfor Horizontal and Vertical frequenciesis separate 3 obtain thebest picture donot play theUSB YPbPr or PC sourceat the same time Monitor Out Setup The TV has a specialsignal output capability which allows youto hook second TV or monitor Connect the second TV or monitor to the TV s AV OUT See theOperating Manual of 3 C OC i the second TV or monitor for further details VIDEO L AUDO SVDEO regarding that device 1 settings Notes YPbPr PC HDMI S Video input sources cannot be used for Monitor out When connecting with external audio equipments such as amplifers orspeakers please turnthe TV speakers off S VIDEO VIDEO 1 AUDIO A 30 Service Manual Model No L26F6 L32F6 ll External Equipment Connections Connecting Headphones You canconnect set of hea
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21. check speaker anode and cathode confirm speaker short short replace speaker Second check CNC1 with oscillograph confirm wave output or not VCC AU O x 4 5X3 2 CA81 600 470u 35V AMP LIN R92 22K CO1 470 ru 12 22K 22K 92 4707 330p 0 1 DIAG VDDP1 A1 MUTE TDA8932 c ENGAGE OOT1 L34 47uh TDASO3ABTWISSBTW 4 Pl POWERUP 1 al R128 12K CGND 1 4 VSSA C112 SERES R180 39K 25 11 109 C108 18 INREF 47uF 16V 0 14 0 tu 470 AMP RIN R140 22K C93 mee R128 lt 10 22K R129 22 C96 470 48 AMP Lout CA83 1000u 25V AMP Lout C140 330n Service Manual Model No 1 2626 13226 No L26F6 L32F6 9 3 Mainboard Failure Check Symptom No Sound No Sound All Mode Fail Check the input han rce input Source Change Source inpu Pass Fail Check if speaker is broken Change speaker Pass Fail no input the input circuit Check input output sound signal before Main IC is broken input is ok no output wave around Main 1C so the Main IC is broken Pass Fail Check output sound signal no output so IC U32 is broken wave around 032 Pass Fail Check output sound signal wave around Ul5 no output then check if power supply for AMP is OK or not Pass Check if L21 22 CA83 85 15 broken 49
22. exposure metal should be more than Mohm by using the 500V insulation resistance meter 11 If the insulation resistance is less than M ohm the inspection repair should be required If you have not the 500V insulation resistance meter use a Tester External exposure metal Antenna terminal Headphone jack 5 Service Manual Model No L26F6 1 3256 No L26F6 L32F6 12 Use only a grounded tip soldering iron to solder or unsolder ES devices 13 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 14 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 15 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 16 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 17 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the br
23. exterior equipment then translate into signal that panel can display 4 2 2 Connector definition 4 2 2 1 Mainboard of L26F6 L32F6 m T E d UM 5 4 dg CNC1 CND1 CND2 CN6 CN5 4 2 2 2 Connector definition Power connectors CNA1 5V Stand 12V Mainboard 7 1 m 12V Mainboard 18 Back light connectors CN1 Pune aire PBON Back light ON OFF Power of audio anplifier connector CNA2 opeaker connector CNC1 Pin number Description AA ao A eno Sao gt A rro Key connector CN5 Pin number Signal Description Remote connector CN6 Pin number Signal name Description ow s 9e Service Manual Model No L26F6 L32F6 19 Service Manual Model No L26F6 La2F6 No L26F6 L32F6 20 LVDS Connector CND1 Pin number Signal name Description Pin number Signalname Description 5 aa Js e LLL RR je gt Co w om fee Pin number Signal name Desorption Pin number signal name Description 9 1 5 e Service Manual Model No L26F6 L32F6 4 3 Power Supply Board 4 3 1 Function description To suppl
24. wall jack for outdoor antenna outdoor antenna not supply standard coaxial type Multi family Dwellings Apartments Connect to wall antenna socket 3000 twin lead cable O D 9 Antenna adapter not supply N It is recommended that you d better use 750 coaxial cable to remove the disturbance caused by airwave Don t bind antenna cable and electric wire together elo improve picture quality in a poor signal area purchase and install a signal amplifier the antenna needs to be split for two Tv s install 2 WaySignal Splitter in the connections the antenna is not installed properly contact your dealer for assistance a 27 Service Manual Model No 12626 1 3256 No L26F6 L32F6 l External Equipment Connections NOTE Allcables shown arenot included withthe TV Choose Your Connection There are severalways to connectyour television dependingon the components you want to connectand the quality of the signalyou want toachieve The following are examples of someways to connectyour TV Choose the connectionwhich is bestfor you VCR Connection To avoid picturenoise interference leavean adequate distance between the VCRand TV Connection Option 1 Set VCR outputswitch to channel3 4and then tunethe TV to the samechannel number Connection Option 2 1 Connect the audio and videocables from the VCR s
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27. OCK 8 USB fast reverse 9 USB up 10 USB Previous Chapter USB left 11 USB PLAY PAUSE 12 Press once to display a frozen image of the current program but audio continues Press again to return to the program 13 USB down 14 Press to turn on and off the TV 15 Press to cycle through different sound settings 16 Press to display the TV status information on the top of the TV screen 17 Select MONO STEREO SAP in NTSC system 18 Press to change a channel 19 Press to jump back and forth between two channels 20 Switches the TV sound on or off 21 Confirm button Exit on screen display 22 Press to display the sleep timer option 23 USB STOP 24 USB fast forward 25 Press to return to the previous menu 26 USB next chapter USB right 27 the favorite channel list in TV 28 Picture zoom function 33 Service Manual Model No L26F6 L32F6 Chapter 7 Electrical Parts 7 1 Block Diagram VCC 1 26V gt 5V STB 12V gt 34 2 zd N e ub N 2 O ET o it Diagram Ircul 7 2 C NO lt 1 NO TT 2 E LOvLA 400 and j91 4N001 LOveOv co 24 1 vevo eued 99AO v 9 Ley anyo 01 440 anyo GI 190 2 AG y1 2 18 1
28. TVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 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 by volume isopropyl alcohol 9096 9996 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts is not required Capacitors may result in an explosion hazard 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last Capacitors may result in an explosion hazard 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver 9 Remove the antenna terminal on TV and turn on the TV 10 Insulation resistance between the cord plug terminals and the eternal
29. Vrms Ta 25 deg C CCFL Life Lamp ife time 50 000 NE Note E 24 Service Manual Model No L26F6 L32F6 4 4 2 2 L32F6 AU T315XW03 V5 BACKLIGHT CONNECTOR PIN CONFIGURATION Operating Voltage Condition Note 1 Dimming range is set 10096 2 Base on lamp specification for each lamp need to be applied at least minimum operating voltage to ensure each lamp can be normally worked Dimming range is set 100 Base on lamp specification for each lamp need to be applied at least minimum operating current to ensure each lamp can be normally worked Operating Current Dimming range is set 100 In order to get typical light out the backlight need to be applied typical power Input power of JIG BD is about 78 W typ by AUO measure BL Total Power Dissipation Base on lamp specification to ensure Vrms each lamp can be normally ignited need to apply at least minimum striking voltage to each lamp 1500 1650 m Vstrike At 25 C 1350 1500 To ensure each lamp be normally ignited each lamp need to be applied at least minimum striking voltage during minimum striking time Operating frequency is set by customer Need to double confirm display quality Operating Frequency 1 PWM frequency is set by customer PWM Operating Frequency F_PWM 120 180 240 Hz 2 Need to double confirm display quality Note 1
30. XLVION 11781558 0 e 87 O9C IN9 LSIN ZONASA PRAMI 303 9904 _ I vXttdus V Vc JdHAN 66 ainia 76 LU 22 IGXLI IGXH 00L ON icm SF 4825 A 259 Z LON 69 3 7 aur festo XOS pd 27 dznia auz sto d rd FE e EWOOAdni 0 9189 SAL VXEEdHS OA E NONIS 8189 H I x 3 9 ENT S 52 SELO ININ NS Z3XH 5 VC diNIO 392 PELO ONIDOS 90 8 H lt SIL SONIS NIDOS JUL 510 50S Lc 08 Lin 3027 zm lt N ravaa ar NLYAT OONASA og 89M SA 5 Tbs rav L3XY 2 OONASH 594 SA i c 110 ravna BOY SH SH 9 mz ON Grau 68 anro d ON MEN EEN 5 5 OXA ST ED E a ST seat DW 8920 Leo 218 4 OXH 88 WESAT E Wd aaAv OXH trdi INDIA 198 vaoda 06 yari y 36 IDEM vas JOS
31. dphones to your set if you wish to watch TV program withoutdisturbing the otherpeople in theroom Plug a setof headphones intothe 3 5mm mini jack socket onthe rear panelof the set Note ll Prolonged use ofheadphones at ahigh volume may damage yourhearing You will not receive sound from the speakers when you connectheadphones to thesystem Power source TO USEAC POWERSOURCE AC Outlet Use theAC polarized linecord provided for Wider Hole operation on AC Insert the AC cord plug into and Blade a standard polarized AC outlet NOTES Never connect theAC plug toother than the specified voltage Use theattached power lt cord only if the polarized AC does not fitinto a non polarized AC outlet do notattempt to fileor cut the blade Itis the user sresponsibility to have E an electrician replacethe obsolete outlet if you causea static discharge when touching the unit andthe unit failsto function simply unplug the unitfrom the outlet and plug it Polarized AC Cord Plug back in The unit shouldreturn to normaloperation Polarized AC Cord Plug 31 Service Manual Model No L26F6 1 3256 No L26F6 L32F6 Chapter 6 Operation Instructions 6 1 Get to know your TV Thisis a simplified representation of front panel Here shown may be somewhatdifferent from your TV Panel Control USBjack In jack Earp
32. e AV D Lay down the unit so that rear cover faces upward D Remove the four screws indicated 2 Remove the four screws from the rear on the figure above by cover indicated with 2 Disconnected the coupler CNA2 3 Then remove the stand CNA1 CNC1 CND1 CND2 CN6 CN5 3 Remove the Main board 3 2 2 Remove the Back Cover 3 2 4 Remove the power supply K 15 Service Manual Model No L26F6 L32F6 Remove the five screws 2 Then remove the Ornamental Light indicated on the figure above by Assembly 2 Then remove the power supply 3 2 5 Remove the Speaker 3 2 8 Remove the Panel 1 Remove the six screws indicated on the figure above by a Take out the speaker directly 2 Then remove the panel 3 2 6 Remove the remote control Remove the screw take out the remote control board 3 2 7 Remove the Ornamental Assembly 1 Remove the two screws indicated on the figure above by 16 Service Manual Model No L26F6 L32F6 Chapter 4 Location of Controls and Components 4 1 Board Location 4 1 1 L26F6 o DCIGMOE0200M Main Board 0090722213 009400125 7 LCD Panel 0094001283B Power Supply 4 1 2 L32F6 C m a innt 17 Service Manual Model No L26F6 L32F6 4 2 Mainboard 4 2 1 Function Description Process signal which incept from
33. ecounds After INT EEPROM choose FACTORY OSDRECALL FACTORY OSDRECALL MST6M36_AU32VP_BX and reset all data to out factory state 2009 08 28 NOTE After reset please shut off the power firstly Be carefully use this function 44 Service Manual Model No L26F6 L32F6 8 2 2 Video TV OLORTEMP OFFSET OFFSET PFFSET C R G B R G Color Temperature This page is control the Color Temperature like standard warm cool RCE TV ic Mode Standard Contrast 5 0 Brightness 350 Color 9 0 sharpness 0 Picture Mode This page is control the picture effect like B rightness contrast color sharpness 45 Service Manual Model No L26F6 L32F6 8 2 3 Audio This page is control the sound effect like user standard music theater Standard 1 1 46 Service Manual Model No 1 2626 13226 No L26F6 L32F6 Chapter 9 Trouble shooting 9 1 Simple check Verify if the television is properly plugged Verify if the television is properly supplied power No picture No sound Verify if electricity is available Verify if correct signals are input Press INPUT button to change signal input to TV input Blank screen Restart the television of power supply is interrupted Press Mute button and verify if Mute mode is set owitch to otger channel and verify if the same problem No sound happens Press VOL button to see of he problem ca
34. hone jack HDMl1jack o dor XX HO 10 10 AV AL H9 3 04 Source Button m Menu Button Volume Up Down Button Program Up Down Button Standby 1 COMPONENT In Connect a component Video Audio device to these jacks 2 VGA DVI AUDIO Connect VGA DVI Audio device to these jacks 3 VGA IN Connect the monitor output connector from a PC to the jack 4 AV2 In Connect Video Audioout from an Video Audio device to these jacks 5 S VIDEO Connect S Video out from a S Video device to these jacks 6 AV OUT Video Audio output terminal 7 ANT In Connect cable pr antenna signal to the TV either directly or through your cable box 8 HDMI2 Connect a signal to HDMI 32 Model No 1 2626 L32ro L26F6 L32F6 Service Manual 6 2 Get to know your remote control The remote control cannot be operated unless the batteries are properly loaded When using the remote control aim it at the remote control sensor on the TV Function introduction 90 0 9 1 Press repeatedly to cycle through the available picture modes 2 Press to change the aspect ratio 3 Select a closed caption option 4 Show the input source 5 Press to open the on screen menu 6 Volume Channel Selection 7 H L
35. n be solved Verufy if sound system is correct Refer to some chapter for Poor sound adjust Verify if correct channel is selected No picture in some channel Adjust the antenna Make adjustments by Fine Tune and MANUAL Scan Verify if the same problem exists in other channels No color for some channel program black and white check out of picture and sound system Refer to relative instructions in the Manual for color adjust Verify if the antennal is correctly connected opots with some or all pictures Verify if the antennal is in good condition Make fine adjustment of channel Horizontal vertical bars or picture Check for local interference such as an electrical appliance shaking or power tool Disconnect the television from power supply and 10 seconds later connect the television to the power supply If the problem still exists contact authorized after sales service for technical assistance Television out of control 47 Service Manual Model No 12626 1 32F6 9 2 Power Supply Board Failure Check State No picture First check cables which connect with PSU then check as follows Check input voltage voltage 5VSB POWER ON 2 6V 12 TJC3 7A PW ON OFF INV CNA1 3 3VDD R225 R215 10K C PWR ON OFF GPlIO46 State No sound First check cables which connect with PSU then check as follows 1 Check input voltage as NO picture 2 Check speaker output First
36. newing parts Specified parts Special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacture s specified parts shown in the parts list Safety Component e Components identified by mark have special characteristics important for safety 1 3 6 Safety check after repairment Confirm that the screws parts and wiring which were removed in order to service are put 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 Service Manual Model No L26F6 L32F6 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FE
37. output jacksto the TV input jacks as shown in the figure When connecting the TV to VCR match thejack colors Video yellow Audio Left white and Audio Right red If you connectan S VIDEO outputfrom VCR tothe S VIDEO input the picture qualityis improved comparedto connecting aregular VCR to the Video input 2 Insert avideo tape intothe VCR andpress PLAY onthe VCR Refer to the VCR owner s manual 3 Select theinput source with using the INPUT button on the remote control andthen press CH button toselect the source E VIDEO EET NA press the VOL button to confirm VGA IN L JO S VIDEO OUT ANT OUT 28 Service Manual Model No L26F6 L32F6 ll External Equipment Connections DVD Setup How to connect 1 Connect the DVD video outputs Y Pb Cb Pr Cr to the COMPONENT Y Pb Cb Pr Cr input jacks on the TVand connect the DVD audio outputs to the AUDIO jacks on the TV as shown in the figure 2 If your DVD only hasan S Video output jack connect this to the S VIDEO input on the TV and Connectthe DVD audio outputs to the AV IN jackson the TV as shown in the figure NOTE f your DVD player does nothave component video output use S Video How to use 1 Turn on the DVD player insert aDVD 2 Use the S Video button onthe remote control to select S VIDEO or YPbPr YCbCr mode 3 Pre
38. owing leakage current checks to prevent the customer from being exposed to shock hazards 1 Leakage Current Cold Check 2 Leakage Current Hot Check 3 Prevention of Electro Static Discharge ESD to Electrostatically Sensitive 1 3 Important Notice 1 3 1 Follow the regulations and warnings Most important thing is to list up the potential hazard or risk for the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged electrical parts even the power is off This symbol indicates that high voltage is present inside lt is dangerous to make any kind 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 prevent damage which might result in electric shock or fire do not expose this TV set to rain or excessive moisture This TV must not be exposed to dripping or splashing water and objects filled with liquid such as vases must not be placed on top of or above the TV 1 3 3 Electro static discharge ESD Service Manual Model No L26F6 1 2256 No L26F6 L32F6 Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES De
39. ram L26F6 0 4 Connection Wire For Speaker 0090400647C 5 Connection Wire For Remote 0090401643C 6 Connection Wire For Keyboard 0090402849A L32F6 no gt __ 8 J ima 43 Service Manual Model No 12626 1 3256 L26F6 L32F6 Chapter 8 Measurements and Adjustments 8 1 Service Mode 8 1 1 How to enter into Service Mode The way to the factory mode menu 1st press menu 2en input 8893 Finished these operations system will be into the factory mode menu At the end of the main factory menu you can see the edition of the software like this L MST6M36J 5 AU32VP 8 1 2 How to exit If you want to exit this factory menu please press the button Exit on the remote system will be out the factory mode menu 8 2 Measurements and Adjustments 8 2 1 The Main Menu In factory mode menu press up down button to choose the up down item press left right button to the submenu press OK button to affirm press MENU button go to the next page MST6M36J S Factory Menu MODE In this page you just consider INT EEPROM function This function you can reset all POWER ON MODE data return to factory state if you encounter SUE UAGE inextricable problem you can try this function SSC SETTING Press up down button to select INT EEPROM Eure ga then press VOL button lt needs few INIT EEPROM s
40. ss Play button on external equipment for program play 4 Refer to the DVD player s manual for operating instructions HDMI or DVI Setup Towatch digitally broadcast programs purchase and connect a digital set top box How to connect Use the TV s COMPONENT Y Pb Cb Pr Cr INPUT jacks VGAor HDMI port for video connections depending on your set top box connections available Then make the corresponding audio connections How to use 1 Turn onthe digital set top box Refer to the owner s manual forthe digital set top box 2 Use INPUT on the remote controlto select PC Y Pb Cb Pr Cr mode 3 Press Play button on external equipment for program play DVD or cablebox HDMIZ DVI OUTPUT 29 Service Manual Model No L26F6 L32F6 ll External Equipment Connections PC Setup How to connect 1 Use the TV s VGAIN port forvideo connections NR E 2 Then makethe corresponding audio connection If usinga sound card adjust the PC sound asrequired How touse 1 Turnon the PCand the TV 2 Turnon the display by pressing the LAUDO R SUDEO POWER button onthe TV sremote control Use PC DVIon the remote control to select VGA source 4 Check theimage on your TV There may be noise associated withthe resolution vertical pattern
41. t so that rear cover faces upward 2 Remove the four screws from the rear cover indicated with 3 Then remove the stand 3 1 2 Remove the Back Cover D Remove the fourteen screws indicated on figure above by 2 Then remove the back cover from the unit 3 1 3 Remove the mainboard 1 Remove the four screws indicated on the figure above by X 2 Disconnected the coupler CNA2 CNA1 CNC1 CND1 CND2 CNO 3 Remove the Main board 3 1 4 Remove the power supply 1 Remove the five screws indicated on the figure above by 4 2 Then remove the power supply 13 Service Manual Model No L26F6 L32F6 3 1 5 Remove the Speaker Take out the speaker directly 3 1 6 Remove the remote control FF 4 4 1172 i ij j Remove the screw take out the remote control board 3 1 7 Remove the Ornamental Assembly 1 Remove the two screws indicated on the figure above by 2 Then remove the Ornamental Light Assembly 3 1 8 Remove screws fastened the Panel 14 D Remove the two screws indicated on the figure above by ae 2 Then remove the Panel Service Manual Model No L26F6 L32F6 3 2 L32F6 3 2 1 Remove the Stand 1 Remove the fourteen screws indicated on figure above by 2 Then remove the back cover from the unit 3 2 3 Remove the mainboard and bracket of Sid
42. ushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device 1 3 7 Ordering Spare Parts Please include the following informations when you order parts Particularly the Version letter 1 Model number serial number and software version The model number and serial number can be found on the back cover of each product Software version can be found in the Spare Parts List 2 Spare part No and description Spare part No and description can be found in the Spare Parts List 1 3 8 Photo used in this manual The illustration and photos used in this Service Manual may not base on the final design of products which may differ from your products in some way Service Manual Model No L26F6 L32F6 1 4 How to Read this Service Manual 1 4 1 Using icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described 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 personal injury Reference A reference
43. vices The following techniques should be used to help reduce the incidence of component damage caused by electros static discharge ESD 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 components The following techniques should be used to help reduce the ncidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead free solder PbF This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repairing of this product 1 3 5 Use the ge
44. y power for Mainboard Panel 4 3 2 Connector definition 4 3 2 1 L26F6 CN1 CN1 Pin number Signal name OL a CN2 ro o aso 7 o y 2 w sa a 9 _ eo 9 an 5 99 4 J e 2 CN3 __ Signal name _ 1 CN4 CNS CN6 CN7 3 4 GND 21 Service Manual Model No L26F6 1 3256 No L26F6 L32F6 4 3 2 2 L32F6 CN2 CN3 CN1 Pin number Signal name 5 Signa name _ 3 oo 22 Service Manual Model No L26F6 L32F6 4 4 LCD Panel 4 4 1 Function Description Display the signal 4 4 2 Connector definition 4 4 2 1 L26F6 IVOM260TWR1 LVDS Connector 1 Not connected NC 3 NC Not connected 8 RX1 Negative LVDS differential data input 11 RX2 Negative LVDS differential data input 12 RX2 Positive LVDS differential data input 15 RXCIk Positive LVDS differential clock input 6 D 7 D 8 D 9 D 0 D 2 GND GND VDD VDD VDD 23 Service Manual Model No L26F6 1 3256 Backlight Characteristics ICCFL CCFL current A 25 C mArms Note A FCCFL CCFL Frequency Ta 25 deg C 40 KHz Note B Ta 0 deg C 1 700 Note C VCCFLi Inverter Ignition Voltage Vrms Ta 25 deg C 1 500 Note C ICCFL 7mA VCCFL CCFL Voltage 1 270 1 330
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