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Haier L19, Service Manual

The Haier L19 Service Manual is a comprehensive guide that allows you to effortlessly repair and maintain your Haier L19 product. With easy-to-follow instructions and detailed diagrams, this manual ensures a smooth user experience. Download it for free from our website, enabling you to keep your Haier L19 running smoothly.

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Summary of Contents for L19

Page 1: ...RVICING 6 2 Power Board 29 6 3 Key Board 32 6 4 IR Board 32 7 Adjustment 33 7 1 ADC Adjustment 33 7 2 FW Upgrade 34 7 3 The Writing VGA HDMI EDID 38 8 Block Diagram 43 9 Wiring Diagram 44 10 Schematic Diagram 45 10 1 Main Board 45 10 2 Power Board 55 10 3 Key Board 57 10 4 IR Board 58 Table of Contents 1 Important Safety Notice 2 Revision List 3 1 General Specification 4 2 Operating Instructions 6...

Page 2: ...cs might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Haier Haier assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM CAUTION U...

Page 3: ...3 Revision List Version Release Date Revision Instructions Customer Model Model A00 Jan 12 2011 Initial release L24C1180 E2CBMZNK3WH3NN ...

Page 4: ...0x480 60 72 75Hz 720x400 70Hz 800x600 56 60 72 75Hz 1024x768 60 70 75Hz 1280x720 60Hz 1280x768 60Hz Note 1360x768 60Hz For L19C1120 L22C1120 only 1280x1024 60Hz 1440x900 60Hz 1680x1050 60Hz 1920x1080 60Hz For L24C1180 only For L19C1120 L22C1120 1360x768 60Hz For L24C1180 1920x1080 60Hz Component Video and L R Audio input Supported resolution 480i 59 94 60Hz 480p 59 94 60Hz 720p 59 94 60Hz 1080i 59...

Page 5: ...70W Standby 1W Mains Power 120V 60Hz Audio Power 3W 3W Ambient Temperature 5 C 35 C PACKAGE CONTENTS Supplied Accessories TV unit x1 Base x1 Power cord x 1 Remote control x1 with two size AAA alkaline batteries User manual x1 Registration card x1 ...

Page 6: ...ges of DTV Wide Press to choose the display aspect ratio Normal Zoom1 Wide Zoom2 or HDMI PC mode Only for HDMI Video Source Fav Press Fav to open the Favorite Channel List Source Press Source to open the Source List EPG Press to display the Electronic Program Guide CH CH Press or to browse through the TV channels Mute Switch the sound ON OFF Info Press to show the information about the input sourc...

Page 7: ...and then store them in the channel table During the channel scan process the OSD will display the number of channels which have been found 4 Add on CH Search Rescan and add channels which are newly found 5 Channels List Show the Channels List You can select which channels are viewable 6 Channel Labels Shows the NTSC ATSC TV Channel Labels You can edit the labels 7 FAV Channel Setting Show the Favo...

Page 8: ... language setting is only available with the NTSC analog TV source The option is disabled in other source modes 1 Sound Mode Choose the audio mode Personal Music or Speech 2 Bass Bass tone adjustment the tuning range is 0 63 3 Treble Treble tone adjustment the tuning range is 0 63 4 Balance Audio balance adjustment the tuning range is L50 R50 5 Audio Source Select the audio source from Mono Stereo...

Page 9: ... Time Mode Choose from Auto or Manual Time Zone Set current time zone Daylight Savings Set to On or Off 3 Password Setting Change the 4 digit parental control password Three steps are required for changing the password Enter Old Password Enter New Password Confirm New Password Note This item is only available in TV Composite and S Video source modes The default password is ό0 0 0 0ύ 4 Parental Con...

Page 10: ...ital TV ATSC mode Style Set to Automatic or Customer mode If Customer mode is selected you can modify the detail styles as described below The setting result will be shown immediately on the bottom of the sub menu OSD Size Digital closed caption font size which can be set to Automatic Small Normal or Large Font Digital closed caption font style which can be set to Automatic Default or Font 1 7 Tex...

Page 11: ...turn to the root folder Back to Browser Return to Browser mode Photo page with control menu Exit Exit JPEG Viewer and return to original source Browser with Control menu MP3 MusicBox ListInfoBar at the bottom This part contains play list information Current Directory Total File s Total Folder s Current Item in current directory and Key Help Bar PlayList on the right side This part contains MP3 mus...

Page 12: ...ion Adjust the vertical position of the picture 0 16 3 Clock Adjust picture clock to reduce Vertical Line noise 0 16 4 Phase Adjust picture phase to reduce Horizontal Line noise 0 31 5 Auto Adjust Adjust the settings automatically 6 Preset Restore the default VGA setting values ...

Page 13: ...ess to decrease the sound volume level 3 CH Press to select the next higher program number 4 CH Press to select the next lower program number 5 MENU Press to open or exit the OSD on screen display menu 6 INPUT Press to select the input source 7 POWER Press to turn on off standby the TV set ...

Page 14: ... red for Pr blue for Pb green for Y red for right audio R and white for left audio L inputs 5 ANTENNA CABLE DIGITAL ANALOG Connect to an antenna or digital cable out of the wall not from Cable Box for Digital TV 6 SPDIF Optical Digital Audio Out When a digital audio signal is associated with the input selected for viewing the digital audio will be available on this SPDIF connection to your home th...

Page 15: ...ial Data for DDC 5 Ground 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground HDMI Pin No Description Pin No Description 1 TMDS Data2 11 TMDS Clock Shield 2 TMDS Data2 shield 12 TMDS Clock 3 TDMS Data2 13 CEC 4 TMDS Data1 14 NC 5 TMDS Data1 shield 15 SCL 6 TMDS Data1 16 SDA 7 TMDS Data0 17 DDC CEC Ground 8 TMDS Data0 shield 18 5V Power 9 TMDS Data0 19 Hot Plug Det...

Page 16: ...XGA 1280x1024 60Hz 1688 x 1066 63 981 P 60 020 P 108 000 WXGA 1440x900 60Hz 1600 x 926 55 469 P 59 901 N 88 750 WSXGA 1680x1050 60Hz 2240 x 1089 65 290 N 59 954 P 146 250 FHD 1920x1080 60Hz 2200 x 1125 67 500 P 60 000 P 148 500 HDMI Input VESA MODES Horizontal Vertical Mode Resolution Total Nominal Frequency KHz Sync Polarity Nominal Freq Hz Sync Polarity Nominal Pixel Clock MHz DOS 720 x 400 900 ...

Page 17: ...17 4 Mechanical Instructions Step1 Remove the STAND ASS Y Step2 Remove the REAR COVER ...

Page 18: ...18 Step 3 Disconnect the WIRE HARNESS Step 4 Remove the MAIN BOARD and POWER BOARD and separate the PANEL and BEZEL ...

Page 19: ...19 Step 5 Separate the MAIN FRAME and PANEL Step 6 Remove the KEY BOARD IR BOARD and SPEAKERS ...

Page 20: ...w Chart 1 No power No power LED Off Check the AC input and the power is ON Power On Check the IR board and LED Replace the IR board Replace the main board Power board output 5V Replace the power board No Yes No Yes No ...

Page 21: ... red Replace the main board Replace the Power board No Yes No Yes No No Power board output 16V Check the power key is under control Check the IR receiver is normal Replace the power board Replace the key board Yes Replace the IR board ...

Page 22: ...splay Reset the source Check the source Check the panel Replace the main board Replace the LVDS cable Replace the panel No No No Yes Yes Yes No No Check the main board Enter factory mode to do EEPROM initial Reset Check the LVDS cable ...

Page 23: ...the Panel No display LED white Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes No Yes No No Yes Yes No Yes No Power board output 16V Check TV is under control and power on off by remote control and power key ...

Page 24: ...me or enter the menu to reset Reinsert the audio cable or change the TV system Replace the cable Replace the speaker Replace the main board No Yes Check the speaker resistance value is in spec Remark The value is marked on the speaker Check the audio source connection and the TV system are correct Yes No Yes No Enter factory mode to do Reset No ...

Page 25: ...function Replace the battery Replace the remote control Whether the IR board is abnormal Yes No Replace the IR board Replace the main board No Yes No Yes Use the other remote controls Check the remote control battery is not properly placed or no power ...

Page 26: ...y board connected properly Reconnect the key board Buttons are OK Replace the button function Yes No Key board is OK Replace the key board Replace the main board No Yes No No OSD is unstable or can t work normally Enter factory mode to do Reset Yes ...

Page 27: ...27 6 PCB Layout 6 1 Main Board 715G3759M02000005K ...

Page 28: ...28 ...

Page 29: ...29 6 2 Power Board 715G3754P01W30003H ...

Page 30: ...30 ...

Page 31: ...31 ...

Page 32: ...32 6 3 Key Board 715G3303 2 6 4 IR Board 715G3963R01000004S ...

Page 33: ...ess number key 1 Æ 9 Æ 9 Æ 9 and ENTER it will achieve the factory mode Take the following picture for example Step2 Change TV press the Current Source to Component mode and change signal to 1080i mode press the Auto Color Step3 Change TV press the Current Source to PC mode and change signal to PC TIMING 137 1024X768 Pattern 147 16 Grays press the Auto Color ...

Page 34: ...t content three parts the first is brand the second is customer model name and the third is FW version The first and second parts of FW name must be the same as the TV and the third part must not be the same as TV current FW version Or the FW upgrade can t continue Take Haier L19C1120 for example Step 2 F W Upgrad 2 1 AC on Power plug Figure 2 1 2 2 Figure 2 1 Figure 2 2 2 2 Plug the USB memory on...

Page 35: ...e 2 4 fig2 5 2 4 When TV detects the USB memory there is a prompt frame appearing on the screen as figure 2 6 press ENTER key on the Navigation Keys on the Remote control as follows Figure 2 7 to select Yes option to download F W Figure 2 8 Take Haier L19C1120 for example Figure 2 6 Figure 2 7 ...

Page 36: ... prompt for Upgrade Success info remove the USB Drive and press ENTER key to reset TV Figure 2 9 Figure 2 9 Step 3 Check the F W version and reset to default 3 1Press MENU 1 9 9 9 ENTER key rapidly on the Remote control to enter the factory mode Figure 3 1 Figure 3 1 Do the following steps rapidly 1 Press MENU 2 Press 1 9 9 9 3 Press ENTER ...

Page 37: ...else let s go to Step 3 3 Take Haier HLC24XLE2 for example Figure 3 2 3 3 If the FW version is correct please do factory reset Choose Reset and press ENTER key to do factory reset as figure 3 3 to figure 3 5 Figure 3 3 figure 3 4 Figure 3 5 3 4 After all the steps FW upgrade is finished finally Press ENTER Show Doing Show Done Reset ok ...

Page 38: ...ng EDID Tool 715G2005 C2 Cable a LPT cable a VGA cable a DVI to HDMI cable and a 12V DC adapter 715G2005 C2 male to male LPT cable VGA cable DVI to HDMI cable Step2 Connection for writing VGA EDID Connect to PC LPT port Connect to TV VGA port 12V DC input ...

Page 39: ... 1 Double click this icon to install 2 Double click this icon to run 2 Choose the VGA EDID file 3 Click anyone file to add VGA EDID file 4 Click here to Read the file This red frame contents detail information in VGA EDID file 1 Click here to open this interface ...

Page 40: ...40 Step4 Click FPD to open another interface as follows Take Haier LY19Z6 for example figure 4 2 1 Tick LPT1 2 Click here to read file as figure 4 2 2 Click open to read the dat file ...

Page 41: ...ease check the whether the connection of tool and cables is nomal and retry Another way is to change a new ISP board and retry Take Haier LY19Z6 for example 1 Click here to write EDID 2 OK represents writing successfully Write fail 3 Click Read EDID can read out the EDID info checked in Edid Conten interface ...

Page 42: ... for writing HDMI EDID Notice When writing HDMI EDID the TV must be AC on or the process can t continue and will prompt NG info The other steps refer to the writing VGA EDID sop Connect to PC LPT port Connect to TV HDMI port 12V DC input ...

Page 43: ...6V POWER BOARD AO4449 19 22 24 9V P16V U708 G9084 50TU3U D16V M ax 3A Audio Amplifier VCC5D U702 AZ1084D 1 8TRE1 M ax 2A U704 G5692P11U 1V8_STB M ax 2A M ax 2 5A D1V8 VCC1V1 S VIDEO Y C 9V STB 15m A STB 15m A U708 G9084 50TU3U TU101 ENV56U03D8F 5VT For TUNER 5V AO4449 Power Board Input 5VSB P12V P24V 1V8_STB For Audio He adphone Am plifie r For EEPROM VCC5D For DDR II VIF P24V 16V U401 ZR39787HGCF...

Page 44: ... Wire Harness IR Board 5 Pin CN201 Power Board CN901 Key Board Panel CN902 CN01 2 Pin CN803 Speaker R L To Panel 32 Pin ZR39787HGCF U401 Scaler IC LVDS Cable CN408 12 Pin CN701 CN606 13 Pin 4 Pin 4 Pin CN804 2 Pin 10 Pin CN401 2 Pin CN805 2 Pin CN802 ...

Page 45: ... C121 NC 330pF RGB_HSYNC R116 1K 1 10W VGA_HSYNC_DET R124 4 7K 1 10W DEMOD_RSTN 7 L103 0 082uH L101 0 082uH IF_AINN AF2 IF_AINP AE2 SIF_AINN AF4 IF_AGC AF7 RF_AGC AF8 DMOD_RST_N AC8 MPEG_FAIL AC7 PARAM0 AE7 SA_DATA AC6 DEMOD_CLKO AD8 SIF_AINP AE4 IF_RBIAS AD3 IF_VINBIAS AD2 IF_VCM AD1 IF_VREFN AF1 IF_VREFP AE1 IF_DVAL_GPIO AA5 Demodulator U401P ZR39787HGCF C115 100pF 50V C109 100pF 50V 0402 0402 R...

Page 46: ... 1 10W AV_CVBS R162 33 OHM 1 10W Q104 MMBT3904 R161 10K 1 10W D102 LL4148 AV_CVBS_DET 7 D3V3 1 2 FB112 NC 30 OHM 1 2 FB111 NC 30 OHM YPbPr_DET 7 DVD_S_Y DVD_S_C R179 NC 75R 1 10W 1 R180 NC 75R 1 10W 1 DVD_STB DVD_STB 7 D104 NC LL4148 88G100Z 51CL AV S Video Input Rear AV_CVBS YPbPr Input Rear VGA_HSY NC VGA_VSY NC DVD_IR AV_Audio_L 10 AV_Audio_R 10 YPbPr_Audio_L 10 YPbPr_Audio_R 10 D3V3 AV_S_DET 7...

Page 47: ...A8 HDMI0_D1P C8 HDMI0_D1N C9 HDMI0_D0P A9 HDMI0_D0N B9 HDMI0_CLKP B10 HDMI0_CLKN A10 HDMI0_SCL B11 HDMI0_SDA A11 HDMI0_HPD D9 HDMI0_5VSENSE D7 HDMI_ATEST D3 HDMI_REXT C3 HDMI0_CEC D8 HDMI0 I F GPIO_P17 GPIO_P15 GPIO_P16 U401G ZR39787HGCF R516 NC 1K 1 10W HDMI0_HPD_A HDMI0_HPD HDMI2_D2P D1 HDMI2_D2N D2 HDMI2_D1P C1 HDMI2_D1N C2 HDMI2_D0P B1 HDMI2_D0N B2 HDMI2_CLKP A1 HDMI2_CLKN A2 HDMI2_SCL B3 HDMI...

Page 48: ...10W R410 NC 33 OHM 1 10W TDI_M TDO_M R424 4 7K 1 10W 1 2 4 3 L401 90 ohm I2C0_SDA 7 I2C0_SCL 7 R425 4 7K 1 10W Run As 90 Ohm 15 Differential Pairs R414 33 OHM 1 10W R429 47 OHM 1 16W R405 1K 1 10W R413 33 OHM 1 10W R407 NC 4 7K 1 10W R427 4 7K 1 10W R406 1K 1 10W VCC5D R401 4 7K 1 10W R416 4 7K 1 10W CS 1 SO 2 W 3 GND 4 VCC 8 HOLD 7 SCK 6 SI 5 U405 MX25L3205DM2I 12G Crystal X401 35ppm 20 ǂ 50ppm 0...

Page 49: ...N16V TV_DVD_SW LED_B LED_1 R475 NC 10K 1 10W BL_ON_OFF 12 PANEL_ON 9 VDD33 BOD 3V3_STB Q402 MMBT3906 R461 4 7K 1 10W C488 1N 50V LED_R R462 4 7K 1 10W LED_B R463 4 7K 1 10W TEST_MODE R457 NC 4 7K 1 10W USB_EN USB_EN 6 3V3_STB BL_ON_OFF 1 2 FB419 300 OHM R476 3 3K 1 10W LED_2 LIGHTING_LOGO_2 6 LIGHTING_LOGO_1 6 0402 0402 LED_1 LED_2 1 2 FB425 300 OHM 1 2 FB405 120OHM C487 100N16V KEY _IR 4 6 I O1 1...

Page 50: ...1 S0_A6 S1_A8 S0_A8 S1_A10 S0_A9 S1_A4 S0_A7 S1_A0 0402 S1_BA1 S1_A12 S1_A9 S1_A5 0402 S1_BA2 S1_A11 S1_BA0 S1_A7 S1_A6 S1_A3 S0_DQ13 S0_DQ15 S0_DQ12 S0_DQ11 S0_LDM S0_DQ8 S0_DQ9 S0_DQ14 C445 100N16V C446 100N16V C447 100pF 50V S0_DQ2 S0_DQ3 S0_DQ4 S0_DQ5 0402 S0_DQ1 S0_A 0 12 0402 S0_DQ1 S0_DQ0 S0_LDM S0_UDM S0_DQ15 S0_DQ14 S0_DQ13 S0_DQ12 S0_DQ11 S0_DQ10 S0_DQ9 S0_DQ8 S0_DQ7 S0_DQ6 S0_DQ5 S0_DQ4...

Page 51: ...G17 M_VDD11 G18 M_VDD12 G19 M_VDD13 G20 M_VDD14 G21 M_VDD15 G22 M_VDD16 H20 M_VDD17 H21 M_VDD18 H22 M_VDD19 J20 M_VDD20 J21 M_VDD21 J22 M_VDD22 K20 M_VDD23 K21 CORE_VDD33 Y7 CORE_VDD34 Y8 CORE_VDD35 Y9 CORE_VDD36 Y 10 CORE_VDD37 Y 11 CORE_VDD38 Y 12 CORE_VDD39 Y 13 CORE_VDD40 Y 14 CORE_VDD41 Y 15 IO_VDD23 AA25 IO_VDD24 AA26 IOVDD_STBY 2 H5 IOVDD_STBY 3 J5 IOVDD_STBY 4 K7 CORE_VDD18_STBY 5 R7 CORE_...

Page 52: ...NC 10K 1 10W C622 100N16V C616 560pF 50V AV_Audio_R 4 AV_Audio_L 4 Y PbPr_Audio_R 4 Y PbPr_Audio_L 4 R608 100 OHM 1 10W Coaxial 0402 VCC5D 0402 0402 0402 VGA Audio Input R662 0R05 1 10W R663 0R05 1 10W R661 NC 0R05 1 10W R660 NC 0R05 1 10W AMP_RIN HP_LIN HP_RIN C615 100N16V AMP_LIN Y PbPr_Audio_R R601 10K 1 10W 1 2 ZD602 VPORT0603100KV05 R602 10K 1 10W 1 2 ZD601 VPORT0603100KV05 ADATAIN_0 AC9 ADAT...

Page 53: ... 33uH L604 33uH PD_MUTE AMP_RIN PD_MUTE L601 L602 L603 L604 73G M58901 T C648 100N 50V C661 100N 50V C657 100N 50V SVR D3V3 D3V3 D3V3 D3V3 1 2 3 4 CN606 CONN R667 1M 1 10W SVR R666 1M 1 10W 1 2 FB611 NC 300 OHM 1 2 FB612 NC 300 OHM 1 2 FB613 NC 300 OHM LOUT LOUT ROUT GAIN1 GAIN0 R638 4 7K 1 10W R659 NC A_MUTE AMP_LIN 1 2 D604 RB160M 60TE25 C649 47uF 35V R630 NC 10K OHM 1 10W R633 10K 1 10W R644 51...

Page 54: ... 100N25V R706 NC 10K 1 10W R747 0R05 1 4W 1 2 3 4 5 6 7 8 9 10 11 12 CN701 CONN R709 68K 1 10W R711 15K 1 10W 1 C751 10N16V C743 100N25V Vout 0 8x R1 R2 R2 C763 220uF16V C762 10U 10V R731 NC 33K 1 10W R1 R752 6 2K 1 10W R2 73G253S 38 K 1 2 FB702 300 OHM C749 100N25V C748 10uF 10V 5VSB R730 NC 10K 1 10W PWR_ON Q702 NC MMBT3904 R749 3 9K 1 10W R703 0R05 1 10W R723 NC 1K 1 10W C747 220uF 16V PWR_ON 7...

Page 55: ...02 1000pF C901 1000pF C914 100N 50V 16V 5V Vbus R926 43K 1 8W 1 R904 8 2K 1 4W C923 1000uF 25V 1 2 CN901 SOCKET C931 1000PF500V C907 100N 50V C936 100N 50V R935 1K 1 8W C926 100N 50V R922 100 OHM 1 4W R929 100 OHM 1 4W 1 4 2 3 L901 30 0mH 1 2 HS2 HEAT SINK D905 C924 1000uF 25V R930 100 OHM 1 4W R905 100K 1 4W R931 100 OHM 1 4W R936 150 OHM 1 8W C910 CAP CHIP 0805 47NF K 25V X7R R913 200OHM 5 1 8W ...

Page 56: ... OHM 1 4W S1 1 G1 2 S2 3 G2 4 D1 8 D1 7 D2 6 D2 5 Q801 FET APM8001KC TRG 5 2A 80V SOP 8 C808 CAP CHIP 0805 470N 50V X7R 10 C812 NC C811 CAP CHIP 0805 47NF K 25V X7R C803 1000PF 50V NPO 120 5 1 2 3 4 5 6 7 8 9 10 11 12 T801 INVERTER X FMR 118uH 10 YS04170422 C809 CAP CHIP 0805 470N 50V X7R 10 16V MOS_1 MOS_2 16V 1 4 2 3 L801 200mH PT4 16V PT3 PT2 PT1 C814 100N 50V 1 2 CN805 CONN R801 47 OHM 1 4W 1 ...

Page 57: ...wer ON OFF CH CH SW01 TACT SW FWRD H1 5MM R02 2K7 1 10W 1 R03 1 8K OHM 1 1 10W R04 1K 1 10W 1 R05 750R 1 10W 1 C01 NC FUNC_KEY C07 NC C05 NC C03 NC C06 NC C02 NC C04 NC PWR SW C08 1uF 16V 77T 607 2 FD SW02 TACT SW FWRD H1 5MM SW03 TACT SW FWRD H1 5MM 3V3_STB SW04 TACT SW FWRD H1 5MM SW05 TACT SW FWRD H1 5MM SW06 TACT SW FWRD H1 5MM SW07 TACT SW FWRD H1 5MM ...

Page 58: ...63R01000004S IRRV 56G 627911 33G8032 5F HR 81G 14 24 EL C201 0 1uF 10V BLUE VOUT 1 GND 2 VCC 3 U201 KSM 603TM2M 3V3_STB R201 15K OHM 1 10W RED 1 2 3 4 5 6 7 CN201 CONN 1 2 3 4 RED BLUE LED201 LED 0402 LED_B LED_R 1 GND GNDPIN ...

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