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Haier HL22T Service Manual

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  • Page 1 All manuals and user guides at all-guides.com HL22T...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
  • Page 3 All manuals and user guides at all-guides.com 11.1. Simple check…………………………………………………………..…………...53 11.2. PSU failure check…………………………………………………..………………54 11.3. DC/DC board failure check………………………………………………...……...55 11.4. Main board failure check…………………………………………………………. .55 11.5. Pannel failure ……………..…………………………………………………………57 12. MAINTENANCE……………………………………………………………………………60...

  • Page 4: Specifications

    All manuals and user guides at all-guides.com 1. Specification Model HL22T Screen size 21.6inch Aspect ratio 16:10 1680*1050 Resolution Response Time（ms) Angel of view H:170/V:160 Color display 16.7M NO.of preset channels OSD language English/Spanish/French Color system NTSC Audio system Audio output 2×1.5W...
  • Page 5 All manuals and user guides at all-guides.com 2. Warning WARNING RISKELECTRIC SHOCK DONOT OPEN WARNING: To reduce the risk of electric shock don’t remove cover or back. No user-serviceable parts inside refer service to qualified service personnel. Safety of operators has been taken into consideration at the design and manufacture phase, but inappropriate operation may cause electric shock or fire.
  • Page 6 All manuals and user guides at all-guides.com FC C STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rule. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 7 All manuals and user guides at all-guides.com product unless proper ventilation is provided. 8)Power Source ---this TV should be operated only from the type of power source indicated on the rating label. If you are not sure of the type of power supply to your home, consult your appliance dealer or local power company.

  • Page 8: Location Of Controls And Components

    All manuals and user guides at all-guides.com Thank you for using our Haier product. This easy-to-use manual will guide you in getting the best use of your product. Remember to record the model and serial number. They are on label in back of the unit.

  • Page 9: Main Board & Av Board

    All manuals and user guides at all-guides.com 3.2.1 Function Description: Main Board： Process signal which incept from exterior equipment，then translate into signal that panel can display. 3.2.2 Connector definition Main board connector Power connectors(CN3,CN5) Pin number Signal name Pin number Signal name +12VEXT +12V...
  • Page 10 All manuals and user guides at all-guides.com Power Power for panel Ground RXE0- LVDS EVEN 0 - Signal RXE0+ LVDS EVEN 0 + Signal RXE1- LVDS EVEN 1 - Signal RXE1+ LVDS EVEN 1 + Signal RXE2- LVDS EVEN 2 - Signal RXE2+ LVDS EVEN 2 + Signal 13,14...
  • Page 11 All manuals and user guides at all-guides.com DVD VIDEO Connector: CN6 Pin number Signal name Description GPIO GPIO PB_IN PB1 IN Y_IN Y1_IN PR_IN PR1 IN DVD IR DVD AUDIO Connector: P1 Pin number Signal name Description YPBPR1L_IN YPBPR1R_IN Other connectors: 1, CN19 to Upgrade the program of MTK5380(U13) AND FLASH(U17) +3V3SB 1 U0RX...

  • Page 12: Lcd Panel

    All manuals and user guides at all-guides.com 3.3.1 Function Description: Supply power for Main board, Panel. 3.3.2Connectordefinition INPUT CONNECTOR (CN6) Signal name +12V +12V 3.4. LCD PANNEL.
  • Page 13 All manuals and user guides at all-guides.com 3.4.1 Function Description: Display the signal. 3.4.2 Connector definition Pin number Signal name Description Power Power for panel Ground RXE0- LVDS EVEN 0 - Signal RXE0+ LVDS EVEN 0 + Signal RXE1- LVDS EVEN 1 - Signal RXE1+ LVDS EVEN 1 + Signal RXE2-...

  • Page 14: Features And Techinical Description

    All manuals and user guides at all-guides.com EVEN 19-24 LVDS LVDS ODD Signal 4. FEATURES AND TECHINICAL DESCRIPTION Factory model(reference only) L22T1W-A HAC model HL22T Tuner Integrated NTSC&ATSC Video Signal System NTSC/ATSC(8VSB,Clear QAM) Digital Comb Filter Video Noise Reduction Stereo Surround Sound MTS Stereo...
  • Page 15 All manuals and user guides at all-guides.com outdoor antenna . location and antenna positioning ■ To improve the picture quality in a poor signal area, please purchase a signal amplifier and install properly. ■ If the antenna needs to be split for two TV`s, install a “2- Way Signal Splitter”...

  • Page 16: External Equipment Connections

    All manuals and user guides at all-guides.com 2. Insert a video tape into the VCR and press PLAY on the VCR. (Refer to the VCR owner`s manual.) 3. Select the input source with using the INPUT button on the remote control, and then press ▲/▼ button to select the source,press the ►button to confirm.
  • Page 17 All manuals and user guides at all-guides.com if you do receive Digital signals from a digital set-top box or other digital external device, refer to the figure as shown below. This TV supports HDCP (High-bandwidth Digital Contents Protection) protocol for Digital Contents (480p,720p,1080i).
  • Page 18 All manuals and user guides at all-guides.com 3. Then, make the corresponding audio connection. If using a sound card, adjust the PC sound as required. How to use 1. Turn on the PC and the TV. 2. Turn on the display by pressing the POWER button on the TV's remote control. 3.

  • Page 19: Operation Instructions

    Polarized AC Cord Plug Take the table stand off You can take off the table stand if you don’t want to use the table stand. HL22T Please release the screw, See the picture 7. OPERATION INSTRUCTIONS Basal information 7.1 Front panel controls...

  • Page 20: Back Panel Controls

    All manuals and user guides at all-guides.com 7.2 Back panel controls...
  • Page 21 All manuals and user guides at all-guides.com 7.3 Setting Up Your Remote Control...

  • Page 22: Disassembly Instructions

    All manuals and user guides at all-guides.com 8. DISASSEMBLY INSTRUCTIONS 8.1.whole machine The whole machine includes Packaging subassembly、Front-frame subassembly、Back-cover subassembly、Base subassembly、MAINBOARD SUBASSEMBLY、Remote Control Board Subassembly、Control Board Subassembly、Assembly Material Subassembly、Romoter Contral...

  • Page 23: Base Subassembly

    All manuals and user guides at all-guides.com Per-setting Subassembly. 3..3 Components List Name Description Parts number HL22T whole machine Packaging Base subassembly Rear cover subassembly Front Frame Subassembly Control Board Subassembly Remote Control Board Subassembly Mainboard Subassembly 8.2. Base subassembly...

  • Page 24: Back Subassembly

    All manuals and user guides at all-guides.com Spare Location Spare Parts Name Subassembly parts Specification in English number Base subassembly Base pannel Base subassembly Iron patch SJ2824-87 Bolt ST3×10F 8.3. Back cover subassembly Components List Spare Location Spare Parts Name Subassembly parts Specification...
  • Page 25 All manuals and user guides at all-guides.com Rear cover subassembly Rear cover panel bracket Rotate axis Rotate axis board panel orientation bracket support cushion Bolt SJ2825-87 ST3*6F Bolt GB9074.4 M3*8 Bolt SJ2824-87 ST4×12F Rear cover subassembly Terminal board Rear terminal label Bolt SJ2824-87 ST4*12F Bolt...

  • Page 26: Front Frame Subassembly

    All manuals and user guides at all-guides.com Spare Location Spare Parts Name Subassembly parts Specification in English number Front frame subassembly Front frame Arnament show lamp Front FRAME Subassembly Net cloth Key board button bracket Button cap Cloth 603*8*0.3 8.5. Assembly Material Subassembly 8.5.1.
  • Page 27 All manuals and user guides at all-guides.com 8.5.2 Components List Spare Spare Parts Location Subassembly parts Name in Specification number English Assembly Assembly Material Material Subassembly Subassembly LVDS Wire LVDS Wire Speaker Wire JT4801-J3750Y Connective Wire PH-12P-570mm-PH-7P-450mm-PH-6P Power Cord 2.1 Meter Power Cord Power Mainboard （TJC3-7）-500mm-（TJC3-7）...

  • Page 28: Measurements And Adjustments

    All manuals and user guides at all-guides.com Electric Sponge20*15*30 9. MEASUREMENTS AND ADJUSTMENTS The way to the factory mode menu: 1st, press nemu, 2en, input 8893, Finished these operations ,system will be into the factory mode menu. 9.1 Version ,S/N, Panel Resoution Version:The first line is the model Name and the second line is current software version.
  • Page 29 All manuals and user guides at all-guides.com 9.2 Video 9.2.1，Auto Color The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically. 9.2.2，Color Temperature The function could adjust the Color Temperature., used when debugging.
  • Page 30 All manuals and user guides at all-guides.com Dolby Banner: When turn it “ON”, the model will be in Dolby authentication state. Compression: Compression style. RF： atv line：AV/S-Video/YPbPr/VGA Compression Factor: Compression state. Downmix: output model. MTS System: used when debugging. The parameters only used when debugging, no need to be modified.
  • Page 31 All manuals and user guides at all-guides.com Factory Scan: According to ANTENNA-ANALOG---〉ANTENNA-DIGITAL---〉CABLE- ANALOG---〉 CABLE- DIGITAL to search channels, used only in project debugging. Tuner Diagnostic: Project debugging setting, used to inspect the audio function. 9.5Gamma Gamma: Bright：GAMMA0.8 Middle：default settings in the programme Dark：GAMMA1.2...
  • Page 32 All manuals and user guides at all-guides.com 9.6 Backlight Backlight: adjust the backlight. 9.7 Function Burning Mode:...
  • Page 33 All manuals and user guides at all-guides.com Turn it “ON” to enter the aging model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time. Clean Storage：The function could make the model turn back to the factory default setting.

  • Page 34: Circuit Diagram

    All manuals and user guides at all-guides.com Remark: The date of the chart only is a example,please don’t adjust the factory mode base on it. 10. CIRCUIT DIAGRAM...
  • Page 35 All manuals and user guides at all-guides.com MT5380 (DDR1) +3V3SB NEED TO CONFIRM MODEL NAME: MT5380P1-V2 20070620 XINGQI R1701 R1703 75 R0603/SMD R1702 ADIN1 R1704 2K R0603/SMDC628 D161 0.1uF MLVS0603M07 R1705 5K6 R0603/SMDC/SMD/0603 01. INDEX INVR PWR Main PWR C629 1000pF JATG,J2 R1706 18K...
  • Page 36 All manuals and user guides at all-guides.com 1,3,4,5,6,7,8,9,10,11,12,13,14 1,3,5,8,9,13,14 +5VSB 1,7,9,11 +5VSB +3V3SB 1,4,7,8,9,13 +3V3SB AZ1117/adj DV10 DV10 DV33 AV33 MEM_VREF L134 MEM_VREF DDRV 6,7 DDRV 0.1uF DV33 4,7,9,14 DV33 4.7uF/10V AV33 3,5,8,9,13 AV33 4.7K +12V 2,3,8,9,14+12V CB33 CB37 100uF/6.3v 0.1uF 0.1uF DDRV...
  • Page 37 All manuals and user guides at all-guides.com 1,2,4,5,6,7,8,9,10,11,12,13,14 1,2,5,8,9,13,14 +5V AV33 2,5,8,9,13 AV33 AV12 5,8,10 AV12 AZ1117/adj +5V_TUNER 5,12 +5V_TUNER AV12 AV25 5,12 AV25 AV25 AZ1117/adj AV33 +12V 1,8,9,14 +12V OPWM2 4,7 OPWM2 CB23 CE28 C575 0.1uF 100uF/6.3v C573 CE19 CE30 CB32 470uF/6.3v...
  • Page 38 All manuals and user guides at all-guides.com 1,2,3,5,6,7,8,9,10,11,12,13,14 U13B DV33 2,7,9,14 DV33 OSDA0 +3V3SB 1,2,7,8,9,13 +3V3SB OSDA0 OSCL0 GPIO_0 GPIO_3 OSDA1 8 OSDA1 OSCL0 GPIO_0 1 GPIO_3 OSDA1 GPIO_10 OSCL1 8 OSCL1 OSDA1 GPIO_1 1 GPIO_10 OSCL1 GPIO_3 OPWRSB 1 OPWRSB OSCL1 GPIO_3 TP34...
  • Page 39 All manuals and user guides at all-guides.com 1,2,3,4,6,7,8,9,10,11,12,13,14 AV12 3,8,10 AV12 1,2,3,8,9,13,14 +5V AV33 2,3,8,9,13 AV33 U13D AV12 AV25 3,12 AV25 USB_VRT AVDD12_PLL 5.1K 1% USB_VRT AVDD12_ADCPLL AVDD12_PLL USB_VRT FB19 AVDD12_PLL ADIN3 USB_DM AVDD12_TVDPLL ADIN3 AVDD12_PLL CB450 CVBS0T USB_DP 12 CVBS0T AVDD12_HDMIPLL AVDD12_PLL NS/100pF...
  • Page 40 All manuals and user guides at all-guides.com 1,2,3,4,5,7,8,9,10,11,12,13,14 DDRV DDRV MEM_VREF U13A MEM_VREF DDRV 2,7 DDRV RDQS0 RDQS0 RDQM0 RDQM0 RDQ0 RWE# RDQ0 RWE_ RDQ1 RBA0 MEM_DQ0 MEM_DQ14 Swap for layout RDQ1 RBA0 DQ15 RDQ2 RDQ2 VDDQ VSSQ RDQ3 RBA1 MEM_DQ1 MEM_DQ15 RDQ3...
  • Page 41 All manuals and user guides at all-guides.com 1,2,3,4,5,6,8,9,10,11,12,13,14 OIRI OIRI +5VSB U13J 1,2,9,11 +5VSB +3V3SB 1,2,4,8,9,13 +3V3SB U2RX U2RX POCE0# U0RX DV33 POOE# DV33 U2TX U0RX HOLD# SCLK U2TX POCE0_ DV33 POOE# U0TX POCE0# DV33 PDD1 OSDA1 POOE_ U0TX 4,8 OSDA1 PDD0 PDD0 R1208...
  • Page 42 All manuals and user guides at all-guides.com +3V3SB 1,2,3,4,5,6,7,9,10,11,12,13,14 HDMI_PLUGPWR0 AV33 U13K D153 FB35 AVDD33_H 1,2,3,5,9,13,14 +5V RX0_CB TP44 CB138 AV33 RX0_CB EXT_RES 2,3,5,9,13 AV33 RX0_C OPWR0_5V 0.1uF AV12 HDMI TYPE-A OPWR0_5V 3,5,10 AV12 RX0_C RB520S-30 RX0_0B OSDA1 CB145 RX0_0B OSDA1 0.1uF RX0_0...
  • Page 43 All manuals and user guides at all-guides.com 1,2,3,4,5,6,7,8,10,11,12,13,14 GND U13C +12V 1,3,8,14 +12V 1,2,3,5,8,13,14 +5V AV33 2,3,5,8,13 AV33 AVDD33_LVDS AVDD33_LVDSA AVDD33_LVDS GPIO_[4..11] AVDD33_LVDSB 4,8,13,14 GPIO_[4..11] AVDD33_LVDS AV33 AVDD33_LVDSC AVDD33_VPLL FB55 AVDD33_VPLL AVDD33_VPLL CK1N CK1N CK1N CK1P CK1P CK1P TP45 CE580 C106 1,2,3,4,5,6,7,8,10,11,12,13,14 GND TP46...
  • Page 44 All manuals and user guides at all-guides.com 1,2,3,4,5,6,7,8,9,11,12,13,14 GND 1,2,3,5,8,9,13,14 +5V AV12 AV12 3,5,8 AV12 HSYNC U13E HSYNC FB40 AVDD12_RGBADC VSYNC VSYNC SOY0 DVDD12_VGA AV12 SOY0 DVDD12_VGA AVSS12_RGBADC C119 AVSS12_RGBADC AVDD12_RGBADC FB41 DVDD12_VGA AVDD12_RGBADC PB0P AVSS12_RGBFE CB158 PB0P AVSS12_RGBFE PBR0N AVDD12_RGBFE 0.1uF PBR0N...
  • Page 45 All manuals and user guides at all-guides.com 1,2,3,4,5,6,7,8,9,10,12,13,14 +5VSB NEARLY IC 1,2,7,9 +5VSB +5VSB D-SUB15 FEMALE SVGA R161 4.7nF C131 NEARLY VGA CON. RED_GND U0TX R24 0 80/100MHz FB67 R163 10nF C132 GRN_GND 1N4148 VGASDA_IN VSYNC VSYNC BLU_GND HSYNC HSYNC HSYNC# R165 C134...
  • Page 46 All manuals and user guides at all-guides.com 1,2,3,4,5,6,7,8,9,10,11,13,14 AV25 3,5 AV25 AIN0_L AIN0_L U13F AIN0_R AIN0_R CVBS0T CVBS0T CVBS0 DVDD25_VADC C112 NS/24pF C214 NS/43pF FAT_IN2+ FAT_IN2+ CVBS0 DVDD25_VADC CVBS1 DVSS25_VADC Near chip FAT_IN2- FAT_IN2- CVBS1 DVSS25_VADC TP51 GND_TUNER C566 +5V_TUNER GND_TUNER 3,5 +5V_TUNER TP52...
  • Page 47 All manuals and user guides at all-guides.com 1,2,3,4,5,6,7,8,9,10,11,12,14 AV33 AV33 U13G FB50 AVDD33_AADC FB51 AVDD33_ADAC0 +12V 1,3,8,9,14 +12V AIN0_L ASPDIF AV33 2,3,5,8,9 AV33 AIN0_L ASPDIF AIN0_R AIN0_R AOMCLK 1,2,3,5,8,9,14 +5V AIN1_L AOLRCK CE55 C201 C202 AIN0_L AIN0_L AIN1_L AOLRCK AIN1_R AOBCK CB170 CB171...
  • Page 48 All manuals and user guides at all-guides.com R1713 33K/NC C631 120pF/NC 3.3X GAIN C665 R1714 R1715 5.1K/NC U53A CE624 10 uF/10v/NC R1716 20/NC AL2_OUT C0805/SMD OPAVREF 10K/NC R1717 C632 22uF/10v/NC R1719 10K/NC AR2_OUT AOUTR 820pF/NC NJM4558/NC R1718 MUTE 2SD2653K/NC NS/10K OPAV120 NS/10K 1,2,3,4,5,6,7,8,9,10,11,12,13 GND...

  • Page 49: Wiring Connection Diagram

    All manuals and user guides at all-guides.com 11. WIRING CONNECTION DIAGRAM...

  • Page 50: Troubleshooting Guide

    All manuals and user guides at all-guides.com 12. TROUBLE SHOOTING GUIDE 12.1. Simple check Verify if the television is properly plugged No Picture,no sound Verify if the television is properly supplied power Verify if electricity is available Verify if correct signals are input Press INPUT button to change signal input to TV input Blank screen Restart the television of power supply is interrupted...
  • Page 51 All manuals and user guides at all-guides.com voltage : +12V ,+12V connector:CN6（P6,P7） 12.3 Main board failure check State:No picture First,check cables which connect with PSB and the Lvds wire with the panel. Second, check the output voltage of CN4 Connector: CN4. State：No sound First，check cables which connect with Main Board，then check as follows First,check speaker anode(+) and cathode(-),confirm speaker short or not.
  • Page 52 All manuals and user guides at all-guides.com Bright dot dark Incoming Inspection Standard Dot Defect dot in pannel Panel or Polarizer Bladder Polarlzer Bladder between Polarizer and top glass Bubble Polarizer Polarizer Tine or rigidity arose Polarizer Scratch Scratch inside Eyewinker inside Eyewinker inside Polarizer Polarizer...
  • Page 53 All manuals and user guides at all-guides.com Abnormal Only color Capacitance improper bring crosstalk inside LCD Color abormal pannel 1.Chip lose action Only color 2. IC short or jointion bad Abnormal abnormal 3.Pannel and vsc connect bad Color Failure Mode Part Name Description...
  • Page 54 All manuals and user guides at all-guides.com Brightness Light bottom of LCM B/L unit badness leakage brighter than normal Mechanlcal B/L brightness Sheet in B/L unit is uneven Uniformity or B/L asymmetric Lack screw or *Lack screw Mount hole Screw damage screw damage 13、...
  • Page 55 All manuals and user guides at all-guides.com Sincere Forever...

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