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23.6

 LEDTV                                                                      Haier HLC24XLP2&HLC24XLPW2 

 

 

Service 

Service 

 

Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
     

                                                                                                               

 
 
 
 

 
 
 
 

 

    TABLE OF CONTENTS 

         

Description

                                                               

Page  Description                                 Page

               

   

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 

SAFETY NOTICE 

 

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS 

AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING 

ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. 

 

 

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 

6.1 Main Board………..…………………...…….….......20

6.2 Power Board…..…………..………….…..…….......23

6.3 Key Board………………………..……..……….......24

6.4 IR Board…………………………..……….…….......25

7.Adjustment/FW Upgrade/EDID…………….…...……26

8.Block Diagram.…….................................................37

9.Wiring Diagram.……................................................38

10.Schematic Diagram………..……..…………….…...39

10.1 Main Board…………….…………………...….......39

10.2 Power Board………..…....…………...…..….......49

10.3 Key Board……………….………….………….......50

10.4 IR Board……………………………….……….......52

Table of Contents.......……..................................….......1

Important Safety Notice.....................................…….....2

Revision List…………………………………………………3

1.General Specification.................................………......4

2.Operating Instructions…………………….……...….......6

2.1 The Use of Remote Control…….…………...…….......6

2.2 To Use the Menus…...………………….….………......6

2.3 Front Panel Control Knobs……………….………........6

2.4 How to Connect…….…………………….…..…….......6

3.Input/Output  Specification…………....................…....7

4.Mechanical Instructions……………………..................9

5.Repair Flow Chart ……………………………………….13

6.PCB Layout …………...………………………………....20

Summary of Contents for HLC24XLP2

Page 1: ...R THIS UNIT WHEN SERVICING 6 1 Main Board 20 6 2 Power Board 23 6 3 Key Board 24 6 4 IR Board 25 7 Adjustment FW Upgrade EDID 26 8 Block Diagram 37 9 Wiring Diagram 38 10 Schematic Diagram 39 10 1 Main Board 39 10 2 Power Board 49 10 3 Key Board 50 10 4 IR Board 52 Table of Contents 1 Important Safety Notice 2 Revision List 3 1 General Specification 4 2 Operating Instructions 6 2 1 The Use of Remo...

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 Sep 19 2010 Initial release HLC24XLP2 HLC24XLPW2 ...

Page 4: ...2 HLC24XLPW2 DISPLAY Viewable 23 6 Television System NTSC standard ATSC standard 8 VSB Clear QAM Channel Coverage VHF 2 through 13 UHF 14 through 69 Cable TV Mid band A 8 through A 1 A through I Super band J through W Hyper band AA through ZZ AAA BBB Ultra band 65 through 94 100 through 125 CONNECTIONS Rear Connectors Tuner input 75Ω AV IN AV S Video and L R audio input PC IN D SUB and PC Audio He...

Page 5: ...5 PACKAGE CONTENTS Supplied Accessories TV Unit x 1 Base x 1 Remote Control x 1 with two size AAA alkaline batteries User Manual x 1 AC Power Cord x 1 Adaptor x 1 ...

Page 6: ...6 2 Operating Instructions For this chapter pls refer to the user manual attached with this service manual ...

Page 7: ...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 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 Dete...

Page 8: ...8 000 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 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 70Hz 900 x 449 31 469 N 70 087 P 28 322 VGA 640 x 480 60Hz 80...

Page 9: ...9 4 Mechanical Instructions Step1 Unscrew the 4 screws to remove the STAND ASS Y Step2 Unscrew the 6 screws to remove the REAR COVER ...

Page 10: ...10 Step3 Remove the all the detachable CON WIRES Step4 Unscrew the 20 screws to remove DVD Power BD Main BD AC COVER HINGE BKT and AC BKT ...

Page 11: ...11 Step5 Unscrew the 4 screws to remove DVD BKT SUPPORT Step6 Separate the BEZEL and PANEL ...

Page 12: ...12 The PANEL The BEZEL ...

Page 13: ...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 14: ... red Replace the main board Replace the Power board No Yes No Yes No No Power board output 19V 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 15: ...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 16: ...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 19V Check TV is under control and power on off by remote control and power key ...

Page 17: ...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 18: ...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 19: ...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 20: ...20 6 PCB Layout 6 1 Main Board 715G3759M02000005K ...

Page 21: ...21 ...

Page 22: ...22 ...

Page 23: ...23 6 2 Power Board 715G4051P01000004S ...

Page 24: ...24 6 3 Key Board 715G4105K01000004L 715G4249K01000004M ...

Page 25: ...25 6 4 IR Board 715G4104R01000004S ...

Page 26: ...mber key 1 Æ 9 Æ 9 Æ 9 and ENTER it will achieve the factory mode Take other model s factory 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 27: ...02 before upgrade 2 The software file name must contain 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 Step 2 F W Upgrade 2 1 AC on Power plug Figure 2 1 1 2 1 2 Figure 2 1 1 Figure 2 1 2 2 2...

Page 28: ...rn on TV Figure 2 3 2 4 When TV detects the USB memory there is a prompt frame appearing on the screen as figure 2 4 1 press ENTER key on the Navigation Keys on the Remote control as follows Figure 2 4 2 to select Yes option to download F W Figure 2 4 1 Figure 2 4 1 Figure 2 4 2 ...

Page 29: ... automatically Note When Upgrade on the process please don t Power Off Figure 2 5 Figure 2 5 2 6 When upgrade 100 and prompt for Upgrade Success info remove the USB Drive and press ENTER key to reset TV Figure 2 6 Figure 2 6 ...

Page 30: ...r the factory mode Figure 3 1 Figure 3 1 3 2 Check the F W version on the second row of the factory mode info eg the Ver info is V2 02 If F W version is incorrect please check the version of F W in your USB memory else let s go to Step 3 3 Figure 3 2 Do the following steps rapidly 1 Press MENU 2 Press 1 9 9 9 3 Press ENTER ...

Page 31: ...rect please do factory reset Choose Reset and press ENTER key to do factory reset as figure 3 3 to 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 32: ...ow Step1 Ready for writing 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 Connect to TV VGA 12V DC input ...

Page 33: ... 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 34: ...34 Step4 Click FPD to open another interface as follows 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 35: ...iting failly Please check the whether the connection of tool and cables is nomal and retry Another way is to change a new ISP board and retry 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 36: ...r writing HDMI EDID Note When writing HDMI EDID the TV must be AC on or the process can t continue and will prompt NG info For the other steps pls refer to the writing VGA EDID sop Connect to PC LPT port Connect to TV HDMI port 12V DC input ...

Page 37: ...VSB P16V POWER BOARD AO4449 19 22 24 9V P16V U708 G9084 50TU3U D16V Max 3A Audio Amplifier VCC5D U702 AZ1084D 1 8TRE1 Max 2A U704 G5692P11U 1V8_STB Max 2A Max 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 Headphone Amplifier For EEPROM VCC5D For DDR II VIF P24V 16V U401 ZR39787HGCF ...

Page 38: ...el 13 Pin Scaler IC ZR39787HGCF U401 FFC Cable CN411 CN408 32 Pin Power BD CN902 13 Pin CN BD 4 Pin 3 Pin 3 Pin CN903 CN901 CN904 To panel DVD IR BD 3 Pin CN201 CN401 KEY BD 5 Pin CN1 2 Pin CN2 Speaker To LED Module 10 Pin 12 Pin CN132 4 Pin CN606 To DVD 3 Pin CN001 ...

Page 39: ...1 10W 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 0...

Page 40: ...160 10N16V R159 10K 1 10W YPbPr_DET R160 100K 1 10W R164 200K 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 30 OHM 1 2 FB111 30 OHM YPbPr_DET 7 DVD_S_Y DVD_S_C R179 75R 1 10W 1 R180 75R 1 10W 1 DVD_STB DVD_STB 7 88G100Z 51CL AV S Video Input Rear AV_CVBS YPbPr Input Rear VGA_HSYNC VGA_VSYNC AV_Audio_L 10 AV_Audio_R 10 YPbPr_Audio_L 10 YPbPr_A...

Page 41: ..._CLKN HDMI1_D0P HDMI0_D2P B8 HDMI0_D2N 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_...

Page 42: ..._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 U405 should be programmed before soldering on PCB 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 35...

Page 43: ...N16V TV_DVD_SW R470 NC 220 1 10W LED_B LED_1 R475 NC 10K 1 10W BL_ON_OFF 12 PANEL_ON 9 VDD33 BOD 3V3_STB Q402 NC 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 NC 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 10...

Page 44: ... S0_BA1 S0_BA0 S1_A2 S1_A1 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...

Page 45: ...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 CORE_VDD36 Y10 CORE_VDD37 Y11 CORE_VDD38 Y12 CORE_VDD39 Y13 CORE_VDD40 Y14 CORE_VDD41 Y15 IO_VDD23 AA25 IO_VDD24 AA26 IOVDD_STBY2 H5 IOVDD_STBY3 J5 IOVDD_STBY4 K7 CORE_VDD18_STBY5 R7 CORE_VDD18_STBY4...

Page 46: ...W R603 10K 1 10W YPbPr_Audio_L R605 10K 1 10W C618 100N16V C620 100N16V C602 2 2uF 10V PD_MUTE 11 R607 NC 10K 1 10W C622 100N16V C616 560pF 50V AV_Audio_R 4 AV_Audio_L 4 YPbPr_Audio_R 4 YPbPr_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 YPbPr_Audio_R R6...

Page 47: ...03 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 7 5K 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 ...

Page 48: ... C712 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 33K 1 10W R1 R752 0 1 10W FOR audio power supply R2 73G253S 38 K 1 2 FB702 300 OHM C749 100N25V C748 10uF 10V 5VSB R730 10K 1 10W PWR_ON Q702 MMBT3904 R749 3 9K 1 10W R703 0R05 1 10W R723 1K 1 10W C747 220uF...

Page 49: ...D 7 D 6 D 5 Q921 AO4435 L904 100UH GBIAS 1 GATE 2 NC 3 ISW 4 NC 5 ISP 6 ISN 7 VC 8 ACTL 9 DCTL 10 SS 11 NC 12 EN 13 OVP 14 VCC 15 GND 16 IC904 RT8482GS 1 2 D904 B360B ON OFF 1 2 C919 3N3 25V R918 1K 1 4W C922 100N 50V 1 2 C918 470NF 25V R921 0 1 OHM 5 C923 100N 50V R916 1K 1 8W R917 10KOHM 5 1 8W C924 100N 50V 1 2 C920 470NF 25V R920 1K 1 8W C917 1N 50V S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 Q920 AO4438 ...

Page 50: ...r ON OFF CH CH SW001 TACT SW FWRD H1 5MM R002 2 7KOHM 1 1 10W R003 1 8K 1 1 10W R004 1K 1 10W R005 750 OHM 1 1 10W C001 NC FUNC_KEY 1 58V 1 79V 2 04V 2 22V 0 47V 0 63V 0 85V 1 02V 1 24V 1 45V PWR SW C002 NC 77G 607 2 FD SW002 TACT SW FWRD H1 5MM SW003 TACT SW FWRD H1 5MM SW004 TACT SW FWRD H1 5MM SW005 TACT SW FWRD H1 5MM SW006 TACT SW FWRD H1 5MM SW007 TACT SW FWRD H1 5MM 1 GND PIN GND PIN ...

Page 51: ...02 NC 77G 607 2 FD R001 4 7K 1 10W D001 LL4148 D002 LL4148 D003 LL4148 D004 LL4148 D005 LL4148 D006 LL4148 D007 LL4148 CLK STB DATA R003 4 7K 1 10W SW002 TACT SW FWRD H1 5MM SW003 TACT SW FWRD H1 5MM SW004 TACT SW FWRD H1 5MM SW005 TACT SW FWRD H1 5MM 1 GP GND PIN CLK STB DATA C003 NC IRVCC 1 2 3 4 5 6 7 CN001 CONN ...

Page 52: ...52 10 4 IR Board 715G4104R01000004S IRRV 56G 627911 33G8032 3F HR C201 100N16V VOUT 1 GND 2 VCC 3 U201 KSM 603TM2M VCC R201 15K 1 10W 1 2 3 4 5 CN201 CONN ...

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