Haier HL19T, Service Manual

Page 1: ...1 HL19T 2008 Haier Electronic Company Limited All rights reserved Unauthorized copying and distribution is a violation of law ...

Page 2: ... 3 1 Board Location 6 3 2 Main Board AV Board 6 3 3 Power Board 11 3 4 DC DC Power Subassembly 12 3 5 LCD Panel 13 4 FEATURES AND TECHINICAL DESCRIPTION 15 5 INSTALLATION INSTRUCTIONS 18 5 1 External Equipment Connections 18 5 2 HDMI Connections 22 6 OPERATION INSTRUCTIONS 27 6 1 Front Panel Controls 27 6 2 Back Panel Controls 27 6 3 Universal Remote Controller 28 7 DISASSEMBLY INSTRUCTIONS 36 7 1...

Page 3: ...3 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: ...of preset channels 181 OSD language English Spanish French Color system NTSC Audio system M Audio output power Built in W 2 1 5W Audio output power outer W No Total power input W 60W Voltage range V AC120V Power frequency Hz 60Hz Time of sleep timer MINS 240Min Net weight KG 4 2 Gross weight KG 5 2 Net dimension MM 462 180 389 Packaged dimension MM 515 206 461 ...

Page 5: ...uctfrom being damaged the following rules should be observed for the installation use and maintenance of th product Read the following safety instruction before starting the operation The User Manual uses the following symbols to ensure a safe operation and preventany damage to operators or properties THIS SYMBOL INDICATES THAT HIGH VOLTAGE IS PRESENT INSIDE IT IS DANGEROUS TO MAKE ANY KING OF CON...

Page 6: ...e These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates use and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference with not occur in a particular installation...

Page 7: ...ne surges 12 Never push objects of any kind into this product through openings as they may touch dangerous voltage point or short out parts that could result in a fire or electric shock Avoid spilling liquid of any kind on the product 13 Servicing do not attempt to service the product by yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing...

Page 8: ...duct Remember to record the model and serial number They are on label in back of the unit Staple your receipt to your manual You will need it to obtain warranty service 3 LOCATION OF CONTROLS AND COMPONENTS 3 1 Board Location No Parts number Description A Board Main Board B Board Power Board 3 2 A Board Main Board ...

Page 9: ... TFT LCD Panel through the power supply unit path CN3 Pin 7 System power on standby System board will use this pin to control system power CN3 Pin 4 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel s backlight through this connector TFT LCD Panel LVDS Connector CN4 CN3 CN5 Pin number Signal name Pin number Signal name 1 12VEXT 1 12V...

Page 10: ...2 LVDS EVEN 2 Signal 13 14 GND Ground 15 RXEC LVDS EVEN Clock Signal 16 RXEC LVDS EVEN Clock Signal 17 RXE3 LVDS EVEN 3 Signal 18 RXE3 LVDS EVEN 3 Signal 19 RXO0 LVDS ODD 0 Signal 20 RXO0 LVDS ODD 0 Signal 21 RXO1 LVDS ODD 1 Signal 22 RXO1 LVDS ODD 1 Signal 23 RXO2 LVDS ODD 2 Signal 24 RXO2 LVDS ODD 2 Signal 25 26 GND Ground 27 RXOC LVDS ODD Clock Signal 28 RXOC LVDS ODD Clock Signal 29 RXO3 LVDS ...

Page 11: ... 4 GND GND 5 PR_IN PR1 IN 6 GND GND 7 IR DVD IR DVD AUDIO Connector P1 Pin number Signal name Description 1 LI YPBPR1L_IN 2 RI YPBPR1R_IN 3 GND GND Other connectors 1 CN19 to Upgrade the program of MTK5380 U13 AND FLASH U17 U0TX 3V3SB U0RX J3 4x1 W HOUSING DIP4 W H P2 0 1 2 3 4 3 3 B Board Power Board ...

Page 12: ...12 3 3 1 Function Description Supply power for Main board Panel 3 3 2Connectordefinition INPUT CONNECTOR CN6 3 4 LCD PANNEL CN6 Signal name 1 N 2 GND 3 GND 4 DIM 5 EN 6 12V 7 12V ...

Page 13: ...Signal 9 RXE1 LVDS EVEN 1 Signal 10 RXE1 LVDS EVEN 1 Signal 11 RXE2 LVDS EVEN 2 Signal 12 RXE2 LVDS EVEN 2 Signal 13 14 GND Ground 15 RXEC LVDS EVEN Clock Signal 16 RXEC LVDS EVEN Clock Signal 17 RXE3 LVDS EVEN 3 Signal 18 RXE3 LVDS EVEN 3 Signal 19 RXO0 LVDS ODD 0 Signal 20 RXO0 LVDS ODD 0 Signal 21 RXO1 LVDS ODD 1 Signal 22 RXO1 LVDS ODD 1 Signal 23 RXO2 LVDS ODD 2 Signal 24 RXO2 LVDS ODD 2 Sign...

Page 14: ...ing just give a call to the professionals at Magnolia Home Theater 1 888 MAGNOLIA 1 888 624 6654 We ll get the job done quickly efficiently and correctly Evening and weekend appointments are now available Note This information is provided to help guide your installation Haier assumes no liability for errors or the outcome of any installation since each project is unique and tools materials techniq...

Page 15: ... arrangement in the room Will the TV be positioned at an angle Special mounts and techniques may be required to keep your TV mounted at or into an angle What will the TV be mounted to It is necessary to have proper support for your TV In most cases there will be wood metal or mortar to mount the bracket to TV Breakdown See our TV Selection LCD TVs 32 and smaller This type of TV is clean looking an...

Page 16: ...tion and distance it will be run There are also different wire ratings that dictate what kind of wires are run in different areas of a house For example certain wires are in wall rated while others are rated for what is run outside underground in HVAC ducts etc Since this is spelled out by the NEC and in any local restriction codes it is strongly recommended that you make use of a professional ins...

Page 17: ...ll not allow connections to be made when it is flat against the wall take this time to connect them while your partner holds the TV in place 3 Once all the wires are connected or ready to be connected gently place the TV flat against the wall taking care that no wires get caught or pinched 4 Take this time to double check that the TV is level Once this is verified secure all locking screws or bars...

Page 18: ...his type of installation A suitable mounting depth Most speakers need 3 6 inches of space behind the wall or ceiling If you go this route make sure there aren t drain lines or wires blocking the way A sturdy mounting surface For this properly installed drywall will usually provide a stable area Wire access Some high quality wire can be as thick as your finger How do you want it run Is the wire you...

Page 19: ...o run between the carpet and the pad This should usually be routed through low traffic areas to avoid wear on the wire Start by pulling up a section of carpet usually near where your wire will be run to or from Feed carpet tape or another suitably long device from the start to the finish of your run and tape the wire securely TECHTIP When taping wire make sure to taper the wire in a wedge or cone ...

Page 20: ...utline make a small hole inside the outline and use your wall probe to feel around for any obstacles TECHTIP You can use a variety of tools such as inspection mirrors stud finders or even a coat hanger to check inside a wall without opening up a huge hole Check your intended speaker location thoroughly before you cut a full size hole Water and gas lines air vents drain lines many of these will not...

Page 21: ... tighten your speakers into place use your tape measure and level to make sure you have it positioned exactly the way you want it See Photo 4 TECHTIP Keep in mind that even though the speaker may be level a bookcase or anything else in the room that is not level can make a level speaker look crooked Have someone stand back as you hold it to make sure it looks good with the rest of the room 8 Once ...

Page 22: ...ect your television depending on the components you want to connect and the quality of the signal you want to achieve The following are examples of some different ways to connect your TV with different input sources Choose the connection which is best for you VCR connection To avoid picture noise interference leave an adequate distance between the VCR and TV Connection Option 1 Set VCR output swit...

Page 23: ...d source 3 Press the ok button to confirm 2 Operate the corresponding external equipment How to connect 1 Connect the DVD video outputs Y Pb Cb Pr Cr to the Y Pb Pr jacks on the TV and connect the DVD audio outputs to the YPbPr Audio IN jacks on the TV as shown in the figure 2 If your DVD only has an S VIDEO output jack connect this to the S VIDEO input on the TV as shown in the figure NOTE If you...

Page 24: ...o connect 1 Connect one end of an optical cable to the TV Digital Audio Optical Output port 2 Connect the other end of the optical cable to the digital audio optical input on the audio equipment See the external audio equipment instruction manual for operation Note When connecting with external audio equipments such as amplifiers or speakers please turn the TV speakers off Caution Do not look into...

Page 25: ...he menu until the picture is clear If the refresh rate of the PC graphic card can not be changed change the PC graphic card or consult the manufacturer of the PC graphic card NOTES 1 Use a DVI cable 2 Avoid keeping a fixed image on the TV s screen for a long period of time The fixed image may become permanently imprinted on the screen 3 The synchronization input form for Horizontal and Vertical fr...

Page 26: ... not attempt to file or cut the blade It is the user s responsibility to have an electrician replace the obsolete outlet If you cause a static discharge when touching the unit and the unit fails to function simply unplug the unit from the AC outlet and plug it back in The unit should return to normal operation Take the table stand off You can take off the table stand if you don t want to use the t...

Page 27: ...27 7 2 Back panel controls ...

Page 28: ...28 7 3 Setting Up Your Remote Control ...

Page 29: ...hine 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 30: ...ts List NO Name Description Parts number 1 HL19T whole machine 2 Packaging 3 1 Base subassembly 3 2 Back cover subassembly 3 3 Front Frame Subassembly 3 4 Control Board Subassembly 3 5 Remote Control Board Subassembly 3 6 Mainboard Subassembly 8 2 Base subassembly ...

Page 31: ...ubassembly 1 Base pannel 1 Iron patch 1 Mat 4 Base subassembly Bolt SJ2824 87 ST3 10F 5 8 3 Back cover subassembly Components List No Subassembly Spare parts number Location No Spare Parts Name in English Specification Qty Rear cover subassembly 1 Rear cover 1 Back cover subassembly panel bracket 2 ...

Page 32: ... 12F 5 PVC 0 5mm 6 Bolt SJ2824 87 ST3 8F 4 Bolt SJ2824 87 ST4 16F 1 clip 3 Bolt SJ2824 87 ST3 8F 3 sponge bar 0 1 8 4Front frame subassembly Subassembly Spare parts number Location No Spare Parts Name in English Specification Qty Remote Board Subassembly 1 Remote panel subassembly 1 K1 Key switch KFC A06 21050 1 CN1 Jack PH 6WA 1 Remote Board Subassembly C5 capacitor CT1 F 63V 0 1µF Z F05 1 ...

Page 33: ...MD diode 1N4148 07 J 1 0094101084 R8 Resistance RT13 1 6W 5 1kΩ J T52 1 8 5 Assembly Material Subassembly 8 5 1 Location Photo 8 5 2 Components List Subassembly Spare parts number Location No Spare Parts Name in English Specification Qty Assembly Material Subassembly 1 LVDS Wire LVDS Wire 1 Speaker Wire JT4801 J3750Y 1 Assembly Material Subassembly Connective Wire PH 12P 570mm PH 7P 450mm PH 6P 1 ...

Page 34: ...CD PANNEL HT190WG1 100 1 Speaker Y47 418 5W 4Ω 2 Magnetism annulation ECRK 513571 1 Magnetism annulation ECRK 513571 1 Magnetism annulation ECIK EL6E B 1 Electric Sponge20 15 30 2 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 ...

Page 35: ... software version 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 36: ... 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 9 4 Channel Range Scan The function could make it to search the channels by differentiation the analog and digital channels ...

Page 37: ... Single RF Scan Search channels in the frequency scope set in advance Factory Scan According to ANTENNA ANALOG ANTENNA DIGITAL CABLE ANALOG CABLE DIGITAL to search channels used only in project debugging ...

Page 38: ...ner 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 9 6 Backlight Backlight adjust the backlight ...

Page 39: ...7 Function Burning Mode 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 ...

Page 40: ... Clean Storage The function could make the model turn back to the factory default setting Remark The date of the chart only is a example please don t adjust the factory mode base on it 10 CIRCUIT DIAGRAM ...

Page 41: ... 12V GPIO_10 GPIO_3 PB1_IN PR1_IN OIRI GPIO_11 Y1_IN DVD_IR GPIO_11 Y1_IN PB1_IN PR1_IN SW_POWER 5VSB OIRI 3V3SB DVD_IR OPWRSB OPWRSB OIRI 7 GND 2 3 4 5 6 7 8 9 10 11 12 13 14 3V3SB 2 4 7 8 9 13 OPCTRL3 4 5VSB 2 7 9 11 ADIN2 4 12V 2 3 8 9 14 ADIN1 4 5V 2 3 5 8 9 13 14 BL_ON OFF 9 DIMMING 9 GPIO_3 4 GPIO_10 4 GPIO_11 4 PB1_IN 10 PR1_IN 10 Y1_IN 10 OPWRSB 4 3V3SB DC 12V DC 12V 5VSB 12V DC 12V 3V3SB ...

Page 42: ...3 8 9 14 5V 3V3SB 5VSB DV33 12V DV10 DDRV VTT 5V DDRV DDRV AV33 CE593 470uF 16v R29 NC R956 110 R43 1 5K CB12 0 1uF R32 NC L134 NC CB37 0 1uF R10 110 R7 2K R519 100K U4 IC LP2996 DDR Termination SOP 8 1 2 3 4 5 6 7 8 GND SD VSENSE VREF VDDQ AVIN PVIN VTT R1 110 CB64 0 1uF U11 LT1084 TO 252 3 3 1 2 IN ADJ GND OUT R11 180 C301 NS 100nF CE33 470uF 6 3v CB33 0 1uF R5 1K CB8 0 1uF R6 4 7K CE17 100uF 10...

Page 43: ...5 12V OPWM2 GND 1 2 4 5 6 7 8 9 10 11 12 13 14 5V 1 2 5 8 9 13 14 AV33 2 5 8 9 13 AV12 5 8 10 5V_TUNER 5 12 AV25 5 12 12V 1 8 9 14 OPWM2 4 7 5V AV33 AV25 5V 5V_TUNER AV12 AV25 12V R12 110 U10 AZ1117 adj 1 2 3 ADJ GND OUT IN CB32 0 1uF R14 180 CB228 0 1uF CB197 0 1uF R19 0 C575 1uF U7 AZ1117 adj 1 2 3 ADJ GND OUT IN CB229 0 1uF CE19 470uF 6 3v CE22 100uF 10v C573 1uF CE30 100uF 10v CE28 100uF 6 3v ...

Page 44: ...13 14 OSDA0 13 14 GPIO_0 7 ADIN1 1 ADIN2 1 OPCTRL3 1 GPIO_3 1 GPIO_10 1 GPIO_11 1 DV33 3V3SB DV33 3V3SB 3V3SB 3V3SB DV33 DV33 DV33 3V3SB H2 HOLE GND 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 R52 NC R28 10K TP34 C21 5pF R22 47K R40 4 7K R198 10K R27 1 C22 1uF FB17 FB H3 HOLE GND 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 Q1 2N3904 1 3 2 R199 NC R25 390 TP36 R21 220 CB70 0 1uF Y1 60MHz R30 33 R35 NC H4 HOLE GND ...

Page 45: ...UNER_DATA SIFP RF_AGC SIFN TUNER_CLK AF AVDD25_SADC CB450 NS 100pF T1 TUNER_ALPS TH1 TH2 TH3 TH4 1 2 3 4 5 6 7 8 11 12 13 14 15 16 17 18 19 20 21 GND1 GND2 GND3 GND4 NC or OOB B1_ 5V GND or SIF O P GND or CVBS RF_AGC Mon NC or AFT NC or IF_AGC Mon NC or B2_Ana_ 5V TU_ 32V GND GND SCL SDA AS B_IF O P D_IF_AGC NC D_IF_O P_1 D_IF_O P_2 C41 1uF C42 0 01uF C0603 SMD CE38 100uF 6 3v C70 10nF R34 5 1K 1 ...

Page 46: ...V 2 7 GND 1 2 3 4 5 7 8 9 10 11 12 13 14 MEM_VREF 2 VTT 2 VTT DDRV VTT DDRV DDRV VTT VTT RA6 75 CA3 0 1uF 0402 CA23 4 7uF 10V RA10 NS 75 RNA1 47x4 0402 1 2 3 4 5 6 7 8 RNA10 47x4 0402 RN0402 SMD 1 2 3 4 5 6 7 8 RNA17 75x4 1 2 3 4 5 6 7 8 CA20 0 1uF CA5 0 1uF 0402 RA8 75 RNA4 47x4 0402 1 2 3 4 5 6 7 8 RA7 75 RNA6 47x4 0402 1 2 3 4 5 6 7 8 RA14 100 CA27 0 1uF UA1 16M x 16 DDR TSOP 66 1 2 3 4 5 6 7 8...

Page 47: ...0 1uF C0603 SMD U13J MT5380 SMD LQFP 252 251 250 249 95 94 253 1 256 255 254 93 POCE0_ POOE_ PDD0 PDD1 U0RX U0TX JTMS JTRST_ JTCK JTDO JTDI OIRI R1209 0 R1257 NS 4 7K R45 4 7K R54 10K R61 4 7K U17 M25P16 NS 1 2 3 4 5 6 7 8 S_ Q W_ VPP VSS D C HOLD_ VCC R1227 NS 4 7K CB452 0 1uF CB52 0 1uF C0402 SMD R197 NS 10K RN5 10K X4 1 2 3 4 5 6 7 8 CA36 4 7uF 10V CA37 0 1uF C0402 SMD CB53 0 1uF C0603 SMD CA39...

Page 48: ...HDMI_PLUGPWR0 5V AV12 12V 12V 3V3SB 12VAMP 12V 12V C17 4 7uF 10v CB146 0 1uF C0603 SMD U23 EEPROM 24C02 1 2 3 4 5 6 7 8 NC NC NC GND SDA SCL WP VCC CE8 470uF 16v R97 1K DN2 PESD1206Q 140 PESD1206Q 140 SMD 1 2 3 4 5 6 7 8 R94 20K R33 1K C655 10uF 10v C0805 SMD R96 47K R625 4 7K L142 FB U2 TPA1517 TDA1517P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 IN1 SGND SVRR OUT1 GND OUT2 VPP MUTE IN2 GN...

Page 49: ... 12 13 14 DV33 2 4 7 14 DIMMING 1 BL_ON OFF 1 5V_LVDS 12V AV33 AV33 5VSB 3V3SB DV33 5V 5V 5V 12V 12V 5V_LVDS CB218 0 1uF TP45 C654 100nF C0603 SMD CB155 0 1uF C0603 SMD CB216 0 1uF TP46 CN4 15x2 DIP 15X2P P2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 JP10 FB 1206 CB455 1uF R123 100K L132 FB D164 SCHOTTKY DIODE B340A D SMA SMD CE72 470uF 16v R401 10K R1789 4 ...

Page 50: ...IN 1 AV12 AV12 AV12 L140 80 100MHZ R1200 68 C659 10uF 10v C0805 SMD R1641 68 TP47 L82 80 100MHZ C115 1uF C351 10nF C349 4 7nF D105 NS EZJZ0V800AA ESD0603 SMD 1 2 C592 4 7nF R1635 100 R1639 100 R1184 68 C363 10nF C353 15pF R1640 75 R1636 68 D157 NS EZJZ0V800AA 1 2 R153 20K D160 NS EZJZ0V800AA ESD0603 SMD 1 2 R1203 75 C357 10nF D156 NS EZJZ0V800AA 1 2 R1189 100 C116 1uF CB160 0 1uF C0603 SMD C600 10...

Page 51: ...X 7 U0TX 7 VGA_PLUGPWR VGA_PLUGPWR VGA_PLUGPWR 5VSB C139 10nF D29 1N4148 FB67 80 100MHz D32 NS EZJZ0V800AA 1 2 D27 NS EZJZ0V800AA 1 2 R164 2K R26 0 R180 100 C661 10uF 10v C0805 SMD C145 NS 0 1uF R170 2K C134 5pF FB68 80 100MHz C135 10nF D31 NS EZJZ0V800AA 1 2 R169 68 R160 0 R181 0 R171 75 R182 10K C137 5pF R161 0 FB69 80 100MHz C136 10nF D23 NS EZJZ0V800AA 1 2 C141 5pF R196 0 R166 100 CB161 0 1uF ...

Page 52: ... FB43 FB R190 20K R1213 NS 75 C535 47nF Q4 2SD2653K NC 1 3 2 C663 10uF 10v C0805 SMD L33 0 R1591 47 C534 47nF L35 NS 330nH R1587 100 R1594 27 CB135 0 1uF C152 4 7uF 10V R81 10K NC L34 0 R1592 100 C459 47pF TP51 R1525 47 R79 100 C111 NS 43pF D147 NS EZJZ0V800AA 1 2 R1560 100 C567 10nF CB163 0 1uF C0603 SMD CB162 0 1uF C0603 SMD CE47 470uF 16V NC C536 47pF C112 NS 24pF R1216 0 D146 NS EZJZ0V800AA 1 ...

Page 53: ...8 9 10 11 12 14 AIN0_R 12 AIN1_L 10 AIN1_R 10 AIN2_L 11 AIN0_L 12 AIN2_R 11 AR1 8 14 AL1 8 14 5V 1 2 3 5 8 9 14 MUTE 8 14 AV33 2 3 5 8 9 ASPDIF 10 12V 1 3 8 9 14 OFF_MUTE 14 AOLRCK 7 AOBCK 7 GPIO_ 4 11 4 8 9 14 OSCL0 4 14 OSDA0 4 14 OPCTRL1 4 11 CEC 4 8 3V3SB 1 2 4 7 8 9 AR2 14 AL2 14 HPDET 14 AIN3_L 10 AIN3_R 10 AV33 AV33 AV33 AV33 AV33 U13G MT5380 SMD LQFP 179 178 177 176 175 174 173 172 171 183...

Page 54: ... C634 820pF NC R1758 NS 10K CE25 330uF 16V R1713 33K NC FB70 FB CN7 AV_OUT 6PX2 0 3 4 5 1 2 6 GND AOUTL GND AOUTR GND CVBSO R1725 NS 10K CE631 22uF 10v R1757 NS 10K R1755 5 1K R1783 3 9k D16 NS 1N4148 R1753 33K R1719 10K NC R1778 3 9k FB71 FB R1616 1K R298 5 1K C668 10uF 10v C0805 SMD R1721 10K NC R1718 NS 10K U55A NJM4558 OPA 3 2 1 8 4 D15 1N4148 R1717 NS 10K C670 10uF 10v C0805 SMD C650 0 1uF C6...

Page 55: ...41 11 WIRING CONNECTION DIAGRAM 12 TROUBLE SHOOTING GUIDE 12 1 Simple check ...

Page 56: ...erify if the same problem exists in other channels check out of picture and sound system Refer to relative instructions in the Manual for color adjust Spots with some or all pictures Verify if the antennal is correctly connected Verify if the antennal is in good condition Make fine adjustment of channel Horiaontal vertical bars or picture shaking Check for local interference such as an electrical ...

Page 57: ...enomena Failure cause V B D Vertical bar 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 TCP H L D Horizontal line light or dark forever Block Defect TCP cracking 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 fa...

Page 58: ... 3 Pannel and vsc connect bad Failure Mode Part Name Description Phenomena Failure cause White Screen B L normal only white screen display Black Screen B L normal only Black screen display Maybe caused by surge current and EDS FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Circuit Abnormal Color Only color abnormal 1 Ch...

Page 59: ...tween 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 in B L white balck Rotundity or wirelike F M in B L unit Failure Mode Part Name Description Phenomena Failure cause Light...

Page 60: ...ou begin any cleaning 1 Here s a great way to keep the dust off your screen for a while Wet a soft cloth in a mixture of lukewarm water and a little fabric softener or dish washing detergent Wring the cloth until it s almost dry and then use it to wipe the screen 2 Make sure the excess water is off the screen and then let it air dry before you turn on your TV Cleaning the Cabinet Extended Absence ...

Page 61: ...47 Haier Group ...