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Service Manual

Model No.:

9. Trouble shooting

9-1. Simple check

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Summary of Contents for LE22T1F

Page 1: ...ngs 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 LE22T1F Model No ...

Page 2: ... Panel 4 Disassemble and Assemble 4 1 Remove the Pedestal 6 8 8 8 8 10 12 12 4 2 Remove the Back Cover 12 4 3 Remove the Adhesive Tape 12 4 4 Remove the Main Board 13 4 5 Remove the Speaker 13 4 6 Remove the Remote Control Board 14 5 Installation Instructions 15 5 1 External Equipment Connections 15 5 2 HDMI Connections 19 6 Operation Instructions 22 6 1 Front Panel Controls 6 2 Back Panel Control...

Page 3: ...le shooting 37 9 1 Simple Check 37 9 2 Main Board Failure Check 9 3 Panel Failure 38 45 8 1 How to enter into the factory model 8 2 How to update software 34 35 8 Measurements and Adjustments 31 8 3 How to enter into the Hotel Model 36 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 8: ...isplay 16 7M No of Preset Channels OSD Language Korea Color System NTSC Audio System DK BG I M L L Audio Output Power Built in W 3W 2 Audio Output Power outer W No Total Power Input W 38W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 3 8 Gross Weight KG 4 9 Net Dimension MM 518 5 324 8 54 Packaged Dimension MM 518 5 365 170 AC 100 240V Cable 1 135 Air 2 69 ATV DTV ...

Page 9: ... 08 Service Manual Model No 3 Location of Controls and Components 3 1 Board Location No Description A Board Integration Mainboard 3 2 Main Board A Board DH1KM0M0201M ...

Page 10: ...el can display RQQHFWRU GH QLWLRQ Main board connector Keypad andremote connector CN203 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 KEY1 KEY0 GND 7 8 9 10 NC STANDBY Speaker connector CN204 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK ...

Page 11: ...3 3 LED Panel 10 Service Manual Model No MTC215LED C04F M215HGE P02 ...

Page 12: ...ntial data input Channel E1 even 16 RXE1 Positive LVDS differential data input Channel E1 even 17 GND Ground 18 RXE2 Negative LVDS differential data input Channel E2 even 19 RXE2 Positive LVDS differential data input Channel E2 even 20 RXEC Negative LVDS differential clock input even 21 RXEC Positive LVDS differential clock input even 22 RXE3 Negative LVDS differential data input Channel E3 even 2...

Page 13: ...UHDU FRYHU faces upward 5HPRYH WKH WKUHH VFUHZ IURP WKH UHDU FRYHU LQGLFDWHG ZLWK ż 7KHQ UHPRYH WKH SHGHVWDO 4 2Remove the Back Cover 5HPRYH WKH WKHVH VFUHZ LQGLFDWHG RQ JXUH DERYH E ż 7KHQ UHPRYH WKH EDFN FRYHU IURP WKH unit Service Manual Model No 12 4 1 Remove the Pedestal 4 3 Remove the adhesive tape ...

Page 14: ...4 4 Remove the Main board 5HPRYH WKH 0DLQ ERDUG Service Manual Model No 13 CN203 CN807 LVFRQQHFWHG WKH FRXSOHU CN204 CN800 4 5 Remove the speaker Take out the speaker ...

Page 15: ...4 6 Remove the remote control take out the remote controlboard Service Manual Model No 14 ...

Page 16: ...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 15 ...

Page 17: ...EPS PC Be sure both the TV and computer are set to Power off 1 Connect VGA and audio cable 2 Connect the power cord 3 Power on the TV switch to PC mode 4 Power on the PC This sequence is very important VGA HEADPHONE RF PC AUDIO COAXIAL HDMI1 HDMI2 USB Service Manual Model No 16 ...

Page 18: ... 2 3 4 5 6 7 8 9 10 720 400 640 480 640 480 800 600 800 600 1024 768 1024 768 1024 768 1280 1024 1280 1024 70 60 75 60 75 60 70 75 60 75 31 47 31 47 37 50 37 88 46 88 48 36 56 48 60 02 63 98 80 00 RESOLUTION V Freq Hz H Freq KHz 17 ...

Page 19: ...e connected to the following appliances VCR multi disc player DVD camcorder video game or stereo system etc YPbPr can support these video formats 480i 576i 480p 576p 720p 1080i TO AUDIO OUTPUTS VIDEO EQUIPMIENT TO VIDEO OUTPUTS You can use the input terminals on TV set rear as follows HDMI VGA HEADPHONE RF PC AUDIO COAXIAL HDMI1 HDMI2 USB VIDEO R L Y Pb Pr 18 ...

Page 20: ... 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 21: ...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 20 ...

Page 22: ... 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...

Page 23: ...AL RF Note 1 When HDMI port get DVI signal the audio signal receives from the PC Audio channel 1 SOURCE 2 MENU D 3 CH CH 4 VOL VOL 5 STANDBY Display the input source menu In MENU mode press SOURCE to confirm the selected item isplay main MENU In TV mode press CH or CH to change the channel up and down In MENU mode press CH or CH to select items Adjust sound level In MENU mode press VOL or VOL to a...

Page 24: ... the channel list Press to display the channel list In DVD mode press to eject the disc 17 Press to display the DTV Electronic Program Guide In DVD mode press to go to the previous chapter 18 Press to display the favorite channels list In DVD mode press to go to the next chapter 19 Press to go directly to the HDMI input source 20 Press to go directly to the AV input source 21 Press to display the ...

Page 25: ...220uF 16V FB101 10uH 1 5A WSA43 100M R 不带屏蔽罩 FB101 10uH 1 5A WSA43 100M R 不带屏蔽罩 SY8008B SOT 23 U105 SY8008B SOT 23 SY8008B SOT 23 U105 SY8008B SOT 23 GND 2 LX 3 VIN 4 OUT FB 5 EN 1 EC111 470uF 16V EC111 470uF 16V R121 100R R121 100R FB103 10uH 1 5A WSA43 100M R 不带屏蔽罩 FB103 10uH 1 5A WSA43 100M R 不带屏蔽罩 C116 33P C116 33P R129 820R R129 820R C112 0 1uF C112 0 1uF EC104 220uF 16V EC104 220uF 16V Q150 ...

Page 26: ...50 0 1uF C250 0 1uF R272 4 7K R272 4 7K C261 10uF C261 10uF CN203 LED IR CN203 LED IR 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 R204 33R R204 33R C218 0 1uF C218 0 1uF C242 47nF C242 47nF C238 0 1uF C238 0 1uF C254 2 2uF C254 2 2uF R149 4 7K R149 4 7K R214 33R R214 33R R208 68R R208 68R R230 10K R230 10K C283 10P C283 10P R228 1M R228 1M C202 1uF C202 1uF R275 NC 0R R275 NC 0R R273 NC 33 R273 NC 3...

Page 27: ...23 0 1uF C323 0 1uF C327 0 1uF C327 0 1uF R304 75R R304 75R A B C D E F G H J K L M N P R 1 2 3 7 8 9 Vdd NC Vss DQ14 VssQ UDM VddQ DQ9 VddQ DQ12 VssQ DQ11 Vdd NC Vss DQ6 VssQ LDM VddQ DQ1 VddQ DQ4 VssQ DQ3 VddL Vref Vss CKE WE RFU BA0 BA1 A10 A1 Vss A3 A5 A7 A9 Vdd A12 RFU VssQ UDQS VddQ UDQS VssQ DQ15 VddQ DQ8 VddQ DQ10 VssQ DQ13 VssQ LDQS VddQ LDQS VssQ DQ7 VddQ DQ0 VddQ DQ2 VssQ DQ5 VssDL CK V...

Page 28: ...F 10V EC809 NC 470uF 10V 1 2 R435 1K R435 1K R948 1K R948 1K R718 330R R718 330R L401 0R FB_11_OHM_500MA NC L401 0R FB_11_OHM_500MA NC R409 100R R409 100R R507 5 1R R507 5 1R R422 22K R422 22K C708 1μF 1000P C708 1μF 1000P R502 5 1R R502 5 1R R406 75R R406 75R C819 10P C819 10P R787 NC 10K R787 NC 10K C730 1uF C730 1uF R431 75R R431 75R L707 NC 33uH 2A L707 NC 33uH 2A R516 5 1R R516 5 1R R521 5 1R...

Page 29: ...TDA18273 GNDSYNT 18 VTUN 19 CP 20 XTOUT1 21 XTOUT2 22 CAPREGVCO 17 IFP 25 GNDIF 26 V_IF_AGC 28 VCCIF 27 IRQ 30 V_Sync 29 GNDDIG3 23 IFn 24 VHFSupply 31 VHFL 32 VCCRF 1 RFin 2 NC 3 NC 4 GNDDIG0 5 AS_XTSel 6 GNDDIG1 7 Test1 8 Test2 9 GNDDIG2 10 SCL 11 Test1 13 Xtal 14 SDA 12 Xtalnot 15 VCCSYN 16 40 CapRFAGC RFAGC_Sense 39 UHFH 38 UHFSupply 37 UHFL 36 VCCRF Filter 35 VHFH 34 VHFSens 33 R705 4 7K R705...

Page 30: ...2R 1206 R76 100R R76 100R R18 270K R18 270K C15 1uF C15 1uF R846 NC R846 NC Q812 3904 Q812 3904 1 2 3 D810 HER207 D810 HER207 R65 0 68Ω 0805 R65 0 68Ω 0805 R831 51K R831 51K R865 68K 2W R865 68K 2W R27 100K R27 100K R2297 10K R2297 10K R888 1M R888 1M R829 NC R829 NC NP2 NP1 NB1 NB2 NP2 T103 EFD25 NP2 NP1 NB1 NB2 NP2 T103 EFD25 12V 8 GND 10 12V 7 GND 9 11 5V 3 3 2 2 1 1 6 6 5 5 5V 12 4 4 R876 470K...

Page 31: ...ion wire Blacklight Service Manual Model No 7 2 Wiring Connection Diagram NO Name 1 2 3 4 5 Connection Wire For Keyboard and Remote Connection Wire For Speaker LVDS Wire Connection Wire Power Wire 5 2 3 4 1 30 ...

Page 32: ...lect some other options the power consumption may change 2 AUDIO menu In this menu you can ajust the sound options here Press to select press OK to adjust In this menu you can adjust the sleep timer time zone etc Press to select press OK to adjust Note 1 Time zone DST Daylight Saving Time and the clock are available in ATSC mode only and the Clock can t be adjusted 4 OPTION menu In this menu you c...

Page 33: ...al may be Inappropriate for children under 13 R NC 17 X Restrict Under 17 requires accompanying parent or adult guardian age varies in some jurisdictions No one 17 and under admitted X is an older rating that is unified with NC 17 but may be encoded in the data of older movies 1 Canada English Switching the English rating control level EXEMPT C C8 G PG 14 18 5 LOCK MENU In this menu you can change...

Page 34: ...8ANS 13 ANS 16ANS 18ANS Rating Description Age E Exempt programming G General All ages and children contains minimal direct violence but may be integrated into the plot in a humorous or unrealistic manner 8ans General but inadvisable for young children May be viewed by a wide public audience but could contain scenes disturbing to children under 8 who cannot distinguish between imaginary and real s...

Page 35: ...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 36: ...update You should reset TV after update Note When Upgrade on the process please don t Power Off 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 PHUJ ELQ IURP RXU FRPSXWHU WR WKH 86 PHPRU DQG UHPRYH it from computer s USB port Step 2 F W Upgrade 8 2 How to update software 2 1 AC ON ...

Page 37: ...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 38: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 37 ...

Page 39: ...o Replace the Q101 Yes Check if there is 30V at C931 Yes No Change LVDS wire No Replace U3 or U5 Check if Q103 D10 D9 Yes Replace Q103 D10 D9 No Service Manual Model No 9 2 Main board failure check 38 Pin6 5 7V is normal Chcek if U3 Pin20 3 3V Pin11 5V Pin19 5v U5 Pin2 0 72V Pin3 5V Pin4 12V is working ...

Page 40: ...nd input signal No Check the input source Yes No Change L707 L708 Check if there is 12V at Pin15 and Pin28 of U705 Check if there is signal at L203 and L205 No check the signal input circuit of L203 L205 Yes Check if there is input at Pin3 Pin12 of U705 Yes Change FB1 No Check the speakers Service Manual Model No 40 C739 Check the signal input circuit of C736 C739 and EC807 EC812 L709 L710 ...

Page 41: ...he voltage pressure of J7 Pin2 is high voltage pressure More than 3V Yes Change U1 No sound No picture Change Mainboard No Yes Check if there is voltage pressure in the pad of the L806 12V L2 5V CHANGE Q810 No 40 ...

Page 42: ... the power cord to the socket Check if there is voltage pressure in J3 12V J5 5Vstb Replace Remote Control Board Yes Replace D806 or U2 Still having problems Change Mainboard Check if L101 1 32V L102 1 8V L103 3 3V D101 2 5V is working No Chang U1 Yes Chang U101 OR U102 OR U105 OR D101 No 41 ...

Page 43: ...is correct Poor sound Change sound system No Update the software and make the reboot or change the Mainboard Still having problems For ease of use recommend that customer format the picture and sound settings in the automatic option 42 ...

Page 44: ...system Refer 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 M N PAL D K No color for some channel program black and white Still having problems Updata the software and make the reboot or change the maiboard 43 ...

Page 45: ...in2 in J7 Check J3 voltage of 12V and J8 of 5V No No Yes Yes Replace U1 Replace U1 How to know whether the Power board is broken Still having problems Check if Main board LVDS wire Panel are in good condition No Reconnect the power cord with the outlet or Power board Yes No Check if the break in the power circuit Replace Q806 or Q809 No 44 ...

Page 46: ...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 47: ...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 46 ...

Page 48: ...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 49: ...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 50: ...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 51: ...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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