Haier LE22C700F Service Manual Download Page 3

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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

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8-3. How to enter into the Hotel Model

Summary of Contents for LE22C700F

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 LE22C700F 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 40 9 1 Simple Check 40 9 2 Main Board Failure Check 9 3 Panel Failure 41 50 8 1 How to enter into the factory model 8 2 How to update software 37 38 8 Measurements and Adjustments 34 8 3 How to enter into the Hotel Model 39 ...

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: ... Display 16 7M No of Preset Channels OSD Language English Color System PAL SECAM 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 Air 2 69 Cable 1 125 ...

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 DH1F20M0801M ...

Page 10: ...el can display RQQHFWRU GH QLWLRQ Main board connector Keypad andremote connector CN202 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 CN701 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: ...nd 14 RXCLK Negative of clock 15 RXCLK Positive of clock 16 GND Ground 17 RX3 Negative transmission data of pixel 3 18 RX3 Positive transmission data of pixel 3 19 GND Ground 20 NC No connection 2 21 SELLVDS Select LVDS data format 3 22 NC No connection 2 23 GND Ground 24 GND Ground 25 GND Ground 26 VCC Power supply 5V 27 VCC Power supply 5V 28 VCC Power supply 5V 29 VCC Power supply 5V 30 VCC Pow...

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 CN202 CN2 CN800 LVFRQQHFWHG WKH FRXSOHU CN701 CN201 CN801 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: ...EC female Input impendance 75 unbalanced ANTENNA STEPS Be sure both the TV and computer are Power off 1 Connect VGA and audio 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 8 Service Manual Model No 16 ...

Page 18: ...LUTION V Freq Hz H Freq KHz 1360 768 Only for 19 60 47 7 4 1280 768 Only for 22 24 60 47 3 PRESET MODE HDMI 1 2 3 800 600 1024 768 60 60 37 88 48 36 RESOLUTION V Freq Hz H Freq KHz 1360 768 60 47 7 4 1280 768 60 47 3 5 1920 1080 Only for 22 24 60 67 5 5 1920 1080 60 67 5 17 Service Manual Model No ...

Page 19: ...080p Note 1 AV and YPbPr share one audio channel 2 When HDMI port get DVI signal the PC Audio channel is changed to receive the audio for HDMI port 3 Sometimes it will not support in different device because the device supplys nonstandard signal 4 When current source is TV AV OUT signal is TV when current source is AV AV OUT signal is AV other sources have no AV OUT signal W R G B R VIDEO EQUIPMEN...

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: ...urn the set back to STANDBY 30 30 REAR AV Connections All the terminals are from left to right AUDIO INPUT VIDEO AV OUTPUT Note VIDEO and YPbPr share one audio channel REAR AV Connections SIDE All the terminals are from left to right USB HDMI YPbPr INPUT HEADPHONE PC AUDIO VGA RF Note When HDMI port get DVI signal the audio signal receives from the PC Audio channel MENU CH CH VOL VOL 2 SOURCE 1 3 ...

Page 24: ...ratio 22 TV RADIO In DVB mode it is u Display remove 23 TEXT To enter or exit TELETEXT 24 INFO T 25 SUBTITLE T For direct access to channels et timer to turn off the TV o display information about the program being viewed and what s on next in DTV mode o access your favourite channels list in TV or DTV mode o return to the previous menu or exit menu sed to switch between digital TV channels and ra...

Page 25: ...107 2 2uH_1 5A C138 0 1uF C138 0 1uF ADJ OUT IN U102 AMS1117 ADJ ADJ OUT IN U102 AMS1117 ADJ 3 2 1 4 R104 100K R104 100K R124 10K R124 10K C105 10uF X5R C105 10uF X5R R103 0R 0402 R103 0R 0402 C102 0 1uF X7R C102 0 1uF X7R R109 120K R109 120K R123 1K R123 1K EC120 220uF 16V EC120 220uF 16V Q102 2N7002 Q102 2N7002 1 3 2 R101 10k R101 10k C150 10uF 1206 C150 10uF 1206 R119 4 7K R119 4 7K R120 51 060...

Page 26: ...CK 4 POL 5 VST 6 GCLK1 7 GCLK2 8 GCLK3 9 SOE 10 FLCK3 11 PT EN1 12 GND 13 GND 14 C238 1uF C238 1uF C245 0 1uF C245 0 1uF C220 47nF C220 47nF R247 4 7K R247 4 7K R231 200R R231 200R C244 0 1uF C244 0 1uF C224 47nF C224 47nF C226 47nF C226 47nF R232 4 7K R232 4 7K R206 22K R206 22K R201 1K_1 R201 1K_1 R221 8 2K R221 8 2K C239 1uF C239 1uF C232 10uF X5R C232 10uF X5R C221 47nF C221 47nF 7 5 3 1 8 6 4...

Page 27: ...37 27k C311 30pF C311 30pF J306 FILL SCART J306 FILL SCART 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19 21 24 25 200K R349 200K R349 C301 10P C301 10P 10K R342 10K R342 R324 100R R324 100R R315 100R R315 100R R336 75R R336 75R 4 7k R352 4 7k R352 10K R360 10K R360 2 2uF 0603 C322 2 2uF 0603 C322 FB302 FB 0603 FB302 FB 0603 10K R355 10K R355 Q301 3906 Q301 3906 1 3 2 12K R363 12K R363 2 2uF 0...

Page 28: ... R413 100R R413 100R R469 51R R469 51R R409 4 7K R409 4 7K R474 470R R474 470R C416 22pF C416 22pF 8 6 4 2 7 5 3 1 RP405 NC 5 1R 4 8 6 4 2 7 5 3 1 RP405 NC 5 1R 4 C404 47nF C404 47nF R424 100R R424 100R R470 12K R470 12K 8 6 4 2 7 5 3 1 RP406 NC 5 1R 4 8 6 4 2 7 5 3 1 RP406 NC 5 1R 4 C413 0 1uF C413 0 1uF R447 200R R447 200R C417 1uF 0603 C417 1uF 0603 R444 10K R444 10K C420 1uF 0603 C420 1uF 0603...

Page 29: ...R J501 VGA J501 VGA 5 10 4 9 3 8 2 7 1 15 14 13 12 11 6 16 17 R10 100K R10 100K R502 33R R502 33R J502 J502 1 2 3 4 5 6 7 8 R501 75R R501 75R R511 10K R511 10K R520 10K R520 10K R516 NC 0R R516 NC 0R R503 33R R503 33R R8 100K R8 100K R507 75R R507 75R R519 10K R519 10K R506 100R R506 100R R6 100K R6 100K R518 NC 0R R518 NC 0R R504 33R R504 33R FB503 FB 0603 FB503 FB 0603 R5 100K R5 100K R508 75R R...

Page 30: ...ˈR312 51RˈR315 51R C357 R313 C364 R312 C358 C365 R314 C367 C359 L32 R315 C363 5 14V 100mA closed to tuner FOR SECAM TUNER AGC Close TUNER Tuner C610 180PF C610 180PF C608 20pF C608 20pF C616 0 1uF C616 0 1uF R607 0R R607 0R R603 0R R603 0R C604 NC 56pF C604 NC 56pF C607 20pF C607 20pF C617 NC 56pF C617 NC 56pF L611 120uH 660mA L611 120uH 660mA C606 0 1uF C606 0 1uF R601 100R R601 100R U601 F35WT 3...

Page 31: ...0603 R717 100R 1206 R717 100R 1206 R735 10K R735 10K R716 100R 1206 R716 100R 1206 EC705 NC 470uF 10V EC705 NC 470uF 10V 1 2 U701 PT2308P U701 PT2308P IN1 3 IN2 6 OUT1 1 IN1 2 VDD 8 GND 4 IN2 5 OUT2 7 D701 BAW70 D701 BAW70 1 2 3 R723 22K R723 22K R728 0R 0402 R728 0R 0402 Q705 3904 Q705 3904 1 2 3 C720 2 2uF 0805 C720 2 2uF 0805 R732 NC 10K R732 NC 10K R710 10K R710 10K R725 10K R725 10K L704 15uH...

Page 32: ...06 C41 10uF 1206 C24 104 25V 0603 C24 104 25V 0603 CY802 222 CY802 222 R900 1K 0603 R900 1K 0603 C1051 1n C1051 1n C22 332 25V 0603 C22 332 25V 0603 C1039 1000uF 25V C1039 1000uF 25V C1036 101 1KV C1036 101 1KV Q809 AO4468 Q809 AO4468 4 2 1 3 8 6 5 7 Q810 10N60 Q810 10N60 2 3 1 R884 1M 1206 R884 1M 1206 CN800 AC_IN CN800 AC_IN 1 2 C1041 223 25V 0805 C1041 223 25V 0805 R903 2R2 1206 R903 2R2 1206 C...

Page 33: ...4 56 4A 1206 FB114 56 4A 1206 R842 270K R842 270K R16 1k R16 1k R853 10K R853 10K R2297 10K R2297 10K Q7 3904 Q7 3904 1 2 3 C37 100pF C37 100pF C31 102 25V 0805 C31 102 25V 0805 R720 20K R720 20K Q6 3904 Q6 3904 1 2 3 R721 10K R721 10K R835 NC R835 NC C39 220pF 0805 C39 220pF 0805 C931 0 1uF 50V K 0805 X7R C931 0 1uF 50V K 0805 X7R R24 1K R24 1K C38 1uF 0603 C38 1uF 0603 CN806 HEADER 12 CN806 HEAD...

Page 34: ...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 33 ...

Page 35: ... to the program press yellow button it will show yellow cursor Press to move the program Skip Press to choose the program press blue button to skip this program The icon will show on the right side of the program Delete Rename Move Skip Choose the skipped program press the blue button again you can cancel the skip Then the icon will disappear 5 Software update USB Update the TV set s software by U...

Page 36: ...N MENU The fifth item of the MENU is the OPTION MENU You can adjust the OSD language Restore factory default Blue Screen or OSD Blend TTX Language Off Time On Time Sleep Timer Auto Sleep Clock TIME Balance Auto Volume Surround Sound Sound Mode Standard SOUND Color Temperature Aspect Ratio Noise Reduction Screen Picture Mode Standard PICTURE NOTE 1 Tint is available in NTSC system only 2 There are ...

Page 37: ... menu Select the media file by pressing or then the preview frame will pop up Press the button to play the media file in full screen When the media file photo music Movie or text type is playing press the OK or Info button can display the control bar Music function need to put music and picture in the same folder 1 1 Sample1 ts Sample2 ts Sample3 ts Sample4 ts Return Movies Resolution 688x412 Audi...

Page 38: ...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 39: ...update You should reset TV after update Note When Upgrade on the process please don t Power Off Haier MSD6M182 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 40: ...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 41: ...Service Manual Model No 9 Trouble shooting 9 1 Simple check 40 ...

Page 42: ... Check if there is normal voltage at L805 Yes No Check if U3 Pin20 3 3V ǃPin11 5V ǃ Pin19 5V U5 Pin2 0 72V ǃPin3 5V ǃPin4 12V ǃ Pin6 5 7V is normal Change LVDS wire No Replace U3 or U5 Check if Q103 ǃ FB14ǃ D10ǃ D9 ǃ R700 is working Yes Replace Q103ǃ FB114 ǃD10ǃ D9 No Service Manual Model No 9 2 Main board failure check 41 ...

Page 43: ...inboard Still having problems Check if there is sound input signal No Check the input source Yes No Verify if U702 has the right power in Pin 7 Check if there is output at Pin1ǃPin7 of U701 Change U702 Yes Check if there is signal at R318 and R323 No check the signal input circuit of R318 R323 Yes Check if there is input at Pin1ǃPin9 of U702 Yes Change U701 No Check the speakers Service Manual Mod...

Page 44: ...voltage pressure of J7 Pin2 is high voltage pressure More than 3V Yes Change U201 No sound No picture Change Mainboard No Yes Check if there is voltage pressure in the pad of the L806 12V ˈL101 5V CHANGE Q810 No 43 ...

Page 45: ...power cord to the socket Check if there is voltage pressure in J3 12V ଞ J8 5Vstb Replace Remote Control Board Yes Replace D806 or D811 Still having problems Change Mainboard Check if L102ஂ1 32Vஃଞ C151ஂ1 8VஃଞL107ஂ 3 3VஃଞD101ஂ2 5Vஃis working No Chang U7 Yes Chang U101 OR U102 OR U103 OR U104 No 44 ...

Page 46: ...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 45 ...

Page 47: ...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 46 ...

Page 48: ...2 in J7 Check J3 voltage of 12V and J8 of 5V No No Yes Yes Replace U201 Replace U201 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 47 ...

Page 49: ...U202 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 ...

Page 50: ...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 49 ...

Page 51: ...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 52: ...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 51 ...

Page 53: ...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 54: ...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 55: ...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 56: ...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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