background image

 

24 

5. Sound problem 
 

 

 

 

No 

Check the cable between the 
speakers and main board is OK?

No sound or sound abnormal

Check the TV is muted, adjust the 

volume 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

Содержание L24C1180

Страница 1: ...VICING 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...

Страница 2: ...s 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...

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

Страница 4: ...x480 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 6...

Страница 5: ...0W 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...

Страница 6: ...ages 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...

Страница 7: ...nd 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 fou...

Страница 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 t...

Страница 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 cha...

Страница 10: ...tal 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...

Страница 11: ...urn 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...

Страница 12: ...on 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 Adju...

Страница 13: ...ss 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...

Страница 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...

Страница 15: ...al 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...

Страница 16: ...GA 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...

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

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

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

Страница 20: ...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...

Страница 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 k...

Страница 22: ...play 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 i...

Страница 23: ...he 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...

Страница 24: ...e 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 T...

Страница 25: ...unction 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...

Страница 26: ...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 w...

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

Страница 28: ...28...

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

Страница 30: ...30...

Страница 31: ...31...

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

Страница 33: ...press number key 1 9 9 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 pr...

Страница 34: ...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 th...

Страница 35: ...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 selec...

Страница 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...

Страница 37: ...lse 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 figu...

Страница 38: ...g 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 Conn...

Страница 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 inf...

Страница 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...

Страница 41: ...ase 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 w...

Страница 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...

Страница 43: ...V 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 ST...

Страница 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...

Страница 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 PARAM...

Страница 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...

Страница 47: ...8 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...

Страница 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 R4...

Страница 49: ...16V 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...

Страница 50: ...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 C...

Страница 51: ...17 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...

Страница 52: ...C 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...

Страница 53: ...3 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...

Страница 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...

Страница 55: ...2 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...

Страница 56: ...HM 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...

Страница 57: ...er 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...

Страница 58: ...3R01000004S 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...

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