Haier LE24B8 Service Manual Download Page 17 | Manualshive

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ANTENNA

INSTALLATION

Note:
Aerial connections: IEC (female).
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.

R F

COAXIAL

PC AUDIO

VGA

USB

HDMI3

HDMI1

MHL

HDMI2

HEADPHONE

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Summary of Contents for LE24B8

Page 1: ...ings 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 LE24B8 Model No ...

Page 2: ...sassemble 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 Controls 6 3 Unive...

Page 3: ...le shooting 37 9 1 Simple Check 37 9 2 Main Board Failure Check 9 3 Panel Failure 38 46 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: ...y 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 35W Voltage Range V Power Frequency Hz 50 60Hz Net Weight KG 4 3 Gross Weight KG 5 2 Net Dimension MM 562 5 348 8 47 Packaged Dimension MM 562 5 390 170 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 ...

Page 10: ...panel can display RQQHFWRU GH QLWLRQ Main board connector Keypad andremote connector J2 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 J17 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 MTC236BLU C01H CMO V236BJ1 P01 ...

Page 12: ... input Channel 1 16 RX1 Positive LVDS differential data input Channel 1 17 GND Ground 18 RX2 Negative LVDS differential data input Channel 2 19 RX2 Positive LVDS differential data input Channel 2 20 GND Ground 21 RXLCK Negative LVDS differential clock input 22 RXCLK Positive LVDS differential clock input 23 GND Ground 24 RX3 Negative LVDS differential data input Channel 3 25 RX3 Positive LVDS diff...

Page 13: ...WKDW UHDU FRYHU faces upward 5HPRYH WKH VFUHZ IURP WKH UHDU FRYHU LQGLFDWHG ZLWK ż 7KHQ UHPRYH WKH SHGHVWDO 4 2Remove the Back Cover 5HPRYH 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 J2 CN801 LVFRQQHFWHG WKH FRXSOHU J17 J1 4 5 Remove the speaker Take out the speaker PCN4 ...

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

Page 16: ...5 Installation Instructions 5 1 External Equipment Connections Accessories Remote Control User GUIDE Battery Service Manual Model No 15 ...

Page 17: ...nput 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 RF COAXIAL PC AUDIO VGA USB HDMI3 HDMI1 MHL HDMI2 HEADPHONE 16 ...

Page 18: ...PC INSTALLATION PRESET MODE 1 2 3 4 5 640 480 800 600 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 60 47 71 17 ...

Page 19: ... devices such as the compatible mobile phones and tablets NOTE a USB to HDMI cable is required to connect a mobile phone or tablet to the TV Please check the documentation of your device 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...

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: ...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 STANDBY mode Press it again to turn the set back t...

Page 24: ...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...

Page 25: ...CAITIAN ROAD FUTIAN DISTRICT SHENZHEN Custom 2 12 Wednesday June 04 2014 SOUNDS MUTE 24V DRIVE LED U702 AUDIO AMP HDMI2 MHL 5VSTB DC DC 8113 PU2 VGA AUDIO EUA3113 UD3 AL0O AR0O L R 1 8VA 206mA DC DC 3 4 5 MSD3393LU 128PIN DSP AC100V 240V SPIDF OUTPUT COAXIAL POWER BOARD TDA18273 ONBOARD RF IN FRONT PANEL AMS1117 12V SPI FLASH SY8008B 1 15V 575mA LDO VGA RGB USB PORT HDMI 3 IR KEY0 KEY1 IF ATSC TUN...

Page 26: ...95 0 1uF C2 10uF C2 10uF CD88 0 1uF CD88 0 1uF Q2 AO3407 Q2 AO3407 R161 270R R161 270R RD146 100K RD146 100K RD62 270K RD62 270K H8 NC TV1902 WJ04 01 H8 NC TV1902 WJ04 01 1 2 RD145 100K RD145 100K R169 120R R169 120R C46 0 1uF C46 0 1uF RD143 47K RD143 47K CD53 0 1uF CD53 0 1uF R215 100K R215 100K RD141 330K RD141 330K R224 4 7K R224 4 7K LD23 4 7uH_2A LD23 4 7uH_2A Q4 3904 Q4 3904 1 2 3 LD22 4 7u...

Page 27: ...ON OFF 2013 05 04UPin58 ARC_DET_DVD_ON OFF V ARC_DET 2013 05 04UPin57 MHL_VBUS EN V DVD_ON OFF 0 1 2 75ms CD51 100pF CD51 100pF R239 NC 4 7K R239 NC 4 7K C276 2 2uF C276 2 2uF R131 33R R131 33R C278 100pF C278 100pF R117 68R R117 68R C167 2 2uF C167 2 2uF C275 2 2uF C275 2 2uF R103 68R R103 68R R127 0R R127 0R RD57 NC 0R RD57 NC 0R C123 2 2uF C123 2 2uF RD47 10R RD47 10R R146 27R R146 27R RD52 1K ...

Page 28: ...0pF 50V X7R 0402 PC32 220pF 50V X7R 0402 PR27 100K PR27 100K PU3 PC817 PU3 PC817 1 2 4 3 PC29 220pF 50V X7R 0402 PC29 220pF 50V X7R 0402 PC22 NC 1μF 50V X5R 0805 PC22 NC 1μF 50V X5R 0805 SY8113B SOT23 6 PU2 SY8113B SY8113B SOT23 6 PU2 SY8113B GND 2 LX 6 VIN 5 FB 3 EN 4 BS 1 PD15 SR320 PD15 SR320 2 1 R889 33R 0805 R889 33R 0805 Q811 3906 Q811 3906 PR56 NC 2R2 PR56 NC 2R2 PC37 NC 100pF 50V NPO PC37 ...

Page 29: ... NC 1nF RD80 10K RD80 10K CD22 NC 1uF CD22 NC 1uF RD166 33R RD166 33R R428 75R R428 75R RD22 NC 10K RD22 NC 10K RD165 33R RD165 33R J10 HDMI1 J10 HDMI1 DAT A2 1 DAT A2 SHIELD 2 DAT A2 3 DAT A1 4 DAT A1 SHIELD 5 DAT 1A 6 DAT A0 7 DAT A0 SHIELD 8 DAT A0 9 CLK 10 CLK SHIELD 11 CLK 12 CEC 13 NC 14 SCL 15 SDA 16 DDC CEC GND 17 5V POWER 18 HOT PLUG 19 20 20 21 21 22 22 23 23 RD5 NC 4 7K RD5 NC 4 7K CD63...

Page 30: ...VCO 20 IFOUT_D_N 22 IFOUT_D_P 21 IFOUT_A_N 24 IFOUT_A_P 23 XTOUT 17 GND PLL 18 GND RF 1 RFIN 2 GND RF 3 TESTOUT1 4 XTALINSEL 5 TESTOUT2 6 GND DIG 7 AS 8 S CL 9 TE S TIN1 11 X TA L_P 12 S DA 10 X TA L_N 13 TE S TIN2 14 GP O1 32 V CC RF 31 GP O2 30 GND IF 29 V CC IF 28 TE S TIN3 27 V IFA GC_D 26 V IFA GC_A 25 E B 33 E B 34 E B 35 E B 36 E B 37 E B 38 E B 39 E B 40 E B 41 E B 42 E B 43 E B 44 E B 45 ...

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

Page 32: ...ptions Press to select press to adjust OK 3 In this menu you can adjust the Menu language Closed Caption Press to select press to adjust SETUP menu adjust the sleep timer time zone Restore Default etc OK 3 1 Closed Caption Note 1 2 Audio language is available in ATSC TVmode only Auto volume is available only when the input signal volume is too large or there is distortion 1 CC Mode Switch the clos...

Page 33: ...hing the English rating control level EXEMPT C C8 G PG 14 18 4 LOCK MENU In this menu you can change the password and adjust the vchip settings Enter the password to enter the lock menu The factory default password is 0000 4 1 Change Password 1 old password Input the old password 2 new password Input the new password 3 Confirm password Input the new password again Enter Enter 4 2 System Lock When ...

Page 34: ...tic 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 situations Recommended for viewing with paren 13ans Over 13 years Could contain scenes of frequent violent scenes and in tense violence 16ans Over 16 years Could contain frequent violent scenes a...

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 MSD3393 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 2 1 AC ON 8 2 How to update software ...

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: ...n35 in J1 No Replace the QD6 Yes Check if there is normal voltage at PEC5 Yes No Check if PU6 Pin5 3 3V Pin19 12V is normal Change LVDS wire No Replace PU5 Check if PQ6 ǃ PD14 PR46 is working Yes Replace PQ6 ǃ No Service Manual Model No 9 2 Main board failure check 38 ǃ Pin3 1 25V PQ14 PR46 ...

Page 40: ...Service Manual Model No 39 C738 C739 C800 C803 LD3 LD3 UD3 RD100 RD107 No Check the U702 ...

Page 41: ...No Check PD3 No No Change PU2 Check PC28 5V No No Check UD8 Check UD8 3 3V No Check UD9 1 15V No Check UD9 No Check U104 1 8V No Check U104 No Check mainchip U1 No No Check Mainboard still having problems Check Mainboard Check Mainboard Yes Yes Yes Yes Yes ...

Page 42: ...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 41 ...

Page 43: ...sound 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 NTSC No color for some channel program black and white Still having problems Updata the software and make the reboot or change the maiboard 42 ...

Page 44: ... 43 PEC6 PD3 ...

Page 45: ...H U18 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 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 ...

Page 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 ...

Page 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 or bad 3 Pannel and vsc connect bad shot jointion Flashing B r i g h t a n d d a r k display alternately 47 ...

Page 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 ...

Page 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...

Page 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 ...

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