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Service Manual

Model No.:

- 02 -

9. Trouble-shooting

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9-1. Simple Check

9-2. Main Board Failure Check

9-3. Panel Failure

8-1. How to enter into the factory model

8-2. How to update software

8. Measurements and Adjustments

........…………............................

8-3. How to enter into the Hotel Model

Содержание LE46F2380a

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 LE46F2380a 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: ...lay 16 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 8W 2 Audio Output Power outer W No Total Power Input W 110W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 12 4 Gross Weight KG 16 3 Net Dimension MM 1122 685 8 198mm Packaged Dimension MM 1122 744 259mm AC 100 240V Cable 1 135 Air 2 69 ATV DTV ...

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 TB300715700M A Board Mainboard B Board Power Supply 514C3202M04 B Board ...

Страница 10: ...JQDO QDPH 9 1 1 9 9 1 32 5 21 2 967 9 9 1 1 1 9 9 Notes CN102 Pin 2 Backlight on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CN101 Pin 5 System power on standby System board will use this pin to control system power CN102 Pin 3 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Pa...

Страница 11: ...d and remote connector CN203 Speaker connector CON807 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK 3LQ QXPEHU 6LJQDO QDPH HVFULSWLRQ B5 03 5 B 03 5 1 5 5 027 21752 1 1 9 32 5 25 5 027 1 9 1 STANDBY ...

Страница 12: ... Power Board 3 3 1 Function Description Supply power for Main board Panel Service Manual Model No 11 21 21 3LQ QXPEHU 6LJQDO QDPH 3LQ QXPEHU 6LJQDO QDPH 9 1 9 1 9 9 9 1 32 5 21 2 1 967 1 9 1 9 1 1 1 9 9 1 ...

Страница 13: ...3 4 LED Panel 12 Service Manual Model No T460HW07 V5 ...

Страница 14: ...annel 2 Clock 12 CH1_0 LVDS Channel 1 Signal 0 37 GND Ground 13 CH1_0 LVDS Channel 1 Signal 0 38 CH2_3 LVDS Channel 2 Signal 3 14 CH1_1 LVDS Channel 1 Signal 1 39 CH2_3 LVDS Channel 2 Signal 3 15 CH1_1 LVDS Channel 1 Signal 1 40 Reserved AUO Internal Use Only 16 CH1_2 LVDS Channel 1 Signal 2 41 Reserved AUO Internal Use Only 17 CH1_2 LVDS Channel 1 Signal 2 42 GND Ground 18 GND Ground 43 GND Groun...

Страница 15: ...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 14 4 1 Remove the Pedestal 4 3 Remove the adhesive tape ...

Страница 16: ...4 4 Remove the Main board 5HPRYH WKH 0DLQ ERDUG Service Manual Model No 15 CON203 CON807 LVFRQQHFWHG WKH FRXSOHU CN204 CON102 4 5 Remove the speaker Take out the speaker CON101 ...

Страница 17: ...4 6 Remove the remote control take out the remote controlboard Service Manual Model No 16 4 7 Remove the Power Supply ...

Страница 18: ...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 19: ... 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 HDMI1 HDMI2 USB VGA PC AUDIO HEADPHONE COAXIAL RF Y Pb Pr COMPONENT 18 ...

Страница 20: ...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 11 1366 768 60 67 50 19 ...

Страница 21: ...the device that you are trying to connect HDMI The television s inputs can be connected to the following types of equipment VCR multi disc player DVD camcorder video game or stereo system etc YPbPr can support these video formats 480i 576i 480p 576p 720p 1080i Yellow video White audio L Red audio R or Pr Y W R W R G B R Blue Pb Green Y B G VIDEO EQUIPMENT with YPbPr W R W R W R TO AUDIO OUTPUTS VI...

Страница 22: ... 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 23: ...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 24: ... 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 25: ...DMI1 HDMI2 USB VGA PC AUDIO HEADPHONE COAXIAL RF Note 1 When HDMI has an input signal coming from a DVI source then the audio input signal must be connected to the PC audio input YPbPr INPUT All the terminals are from left to right POWER SOCKET VIDEO AUDIO INPUT Note AV and component YPbPr share the R and L audio inputs 1 Remote control sensor 2 Indicator LED GREEN POWER ON RED STANDBY 3 Key board...

Страница 26: ... 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 DTV signal strength 22 Press to go directly to the TV input source 23 Pr...

Страница 27: ...Q104 3904 Q104 3904 1 2 3 R136 4 7K R136 4 7K C131 0 22uF C131 0 22uF EC102 220uF 16V EC102 220uF 16V C110 10uF C110 10uF R115 4 7K R115 4 7K R125 10K R125 10K EC104 220uF 16V EC104 220uF 16V Q815 3904 Q815 3904 1 2 3 SY8008B SOT 23 U102 SY8008B SOT 23 SY8008B SOT 23 U102 SY8008B SOT 23 GND 2 LX 3 VIN 4 OUT FB 5 EN 1 R132 0R R132 0R R129 820R R129 820R C132 1uF C132 1uF R963 4 7K R963 4 7K R114 30...

Страница 28: ...30 1nF C276 4 7uF C276 4 7uF C219 10uF CC0805 C219 10uF CC0805 C270 10uF C270 10uF C207 0 1uF C207 0 1uF R257 10K R257 10K C263 0 1uF C263 0 1uF C246 0 1uF C246 0 1uF R241 4 7K R241 4 7K C213 0 1uF C213 0 1uF C275 2 2uF C275 2 2uF R215 68R R215 68R R214 33R R214 33R C216 0 1uF C216 0 1uF C217 0 1uF C217 0 1uF C288 2 2uF C288 2 2uF R246 1K R246 1K R248 4 7K R248 4 7K R220 0R 33R R220 0R 33R R213 33...

Страница 29: ...1uF R1 100R R1 100R 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...

Страница 30: ...522 10K R522 10K R778 NC 22K R778 NC 22K FB709 600Ω 3A 1206 FB709 600Ω 3A 1206 C813 10p C813 10p R538 75R R538 75R J405 NC J405 NC 2 2 1 1 4 4 3 3 6 6 7 7 5 5 8 8 R512 10K R512 10K FB1 600Ω 3A 1206 FB1 600Ω 3A 1206 C605 1uF C605 1uF EC109 100uF 16V EC109 100uF 16V E63 NC E63 NC R727 4 7K R727 4 7K R946 1K R946 1K R435 1K R435 1K R948 1K R948 1K CN514 6p 2 0 CN514 6p 2 0 1 1 2 2 3 3 4 4 5 5 6 6 L40...

Страница 31: ...nF C710 100nF C710 100nF C703 100nf C703 100nf C721 47nF C721 47nF J701 RFIN J701 RFIN 1 2 3 4 5 6 7 8 9 10 C744 NC 47pF C744 NC 47pF C723 47nF C723 47nF U701 TDA18273 U701 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 Tes...

Страница 32: ...No 7 2 Wiring Connection Diagram 31 1 2 4 5 3 NO N ame 1 2 3 4 5 Connection Wire For Remote and Keyboard Connection Wire For Speaker Connection Wire Control for Backlight on off LVDS Wire Connection Wire Power For Mainboard ...

Страница 33: ... you select 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 men...

Страница 34: ...ts strongly cautioned Some material 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...

Страница 35: ...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...

Страница 36: ...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...

Страница 37: ...ow you should choose Yes TV begin to 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 it from computer s USB port Step 2 F W Upgrade 2 1 AC ON 8 2 How to update software ...

Страница 38: ...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...

Страница 39: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 38 ...

Страница 40: ...Q101 Q150 Yes Yes No Change LVDS wire No Service Manual Model No 9 2 Main board failure check 39 No picture but have sound Pin35 in CN204 Check if the backlight of panel is working check if CN102 Pin2 5V Pin3 3 3V is normal No Change the Mainboard Yes Change the Power board ...

Страница 41: ...Check if there is sound input signal No Check the input source Yes Check if there is input at Pin3 ǃ Pin12 of U705 Check if there is signal at L203 and L205 No check the signal input circuit of L203 L205 Yes Change U705 No Check the speakers ǃ check the signal input circuit of C738 C739 and EC807 EC812 No Yes Check if there is 12V at Pin15 and Pin28 of U705 Change FB1 Change L707 L708 L709 L710 ǃ ...

Страница 42: ...Change Mainboard No Yes Check if there is voltage in No 41 CN101 Pin11 12 12V Pin7 8 5 V Pin5 2 5V Change the Main board has the right software and work well Update the software Check if there is voltage in No CN101 Pin6 5V Change the Power board Yes ...

Страница 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 ...

Страница 44: ... channels Refer to relative instructions in the Manual for color adjust No Yes Check out of picture and sound system of this channel No color for some channel program black and white Still having problems Updata the software and make the reboot or change the mainboard 43 k and white ...

Страница 45: ...H U17 has the right software and work well 5 Verify if the Y1 Crystal has the right frequency Panel not work 1 check if the voltage input and output of boost IC is working normally 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 Change the LVDS...

Страница 46: ...check if the power supply if working normally check if the power supply of 5Vstandby is working normally 3 check if the POWER ON OFF voltage is high pressure 4 check if the power supply have 12V 5V output Check if Main board LVDS wire Panel are in good condition 45 ...

Страница 47: ...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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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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