Haier HLC19R - 19" LCD TV Service Manual Download | Manualshive

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27

HL19R
Please release the screw 2

×

M4,

See the picture

7. OPERATION INSTRUCTIONS

Basal information

7.1 Front panel controls

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Summary of Contents for HLC19R - 19" LCD TV

Page 1: ...1 HLC19R TV 8888 130 ...

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: ...ur product 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 C Board DVD ...

Page 9: ...connectors CN3 CN5 Notes CN3 Pin 3 Backlight on off The system can turn on or turn off the backlight of 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 CN3 CN5 Pin number Signal name Pin number Signal name 1 12VEXT 1 12V 2 12VEXT 2 GND 3 BLON 3 GND 4 ADJ 4 5V 5 GND...

Page 10: ... 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 Signal 25 26 GND ...

Page 11: ...Description 1 GPIO GPIO 2 PB_IN PB1 IN 3 Y_IN Y1_IN 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 ...

Page 12: ...HOUSING DIP4 W H P2 0 1 2 3 4 3 3 B Board Power Board 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: ...2 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 Signal 25 26 GND Ground 27 RXOC LVDS ODD Clock Signal 28 RXOC LVDS ODD...

Page 14: ...gnal System NTSC ATSC 8VSB Clear QAM 5 Digital Comb Filter 3D 6 Video Noise Reduction yes 7 Stereo Surround Sound yes 8 MTS Stereo yes 9 Tone Control yes 10 Mute yes 11 Clock No 12 Sleep Timer yes 5 INSTALLATION INSTRUCTIONS DIY DO IT YOURSELF INSTALLATION If you ve decided to take on the challenge of installing your flat panel television on your own we ve put together an extensive list of instruc...

Page 15: ... locations Will you have all of your equipment next to the TV or will it be hidden in another room or area Do you have enough wire to complete the project Too much wire is better than not enough Mounting Does your TV require a proprietary mounting device Some manufacturers require specific mounts for their TVs What is the size and weight of your TV All brackets have weight and size restrictions It...

Page 16: ...ty county and state It s good to have a clear understanding of these rules before you begin A V wire can be susceptible to interference from external sources such as electrical lines The NEC dictates minimum safe clearances for wires but it is best to keep as much distance between your speaker wires and any potential sources of interference you don t want to get all the way through your install on...

Page 17: ...all where you need a wire fished drill up from the lower level or down from an upper level into the center of the wall Once you have an access hole drilled run your wire fish tool such as a flex rod down to where you need the wire run Tape your wire and feed it through the wall to your desired location Attaching the Bracket to the TV Mount to the Wall Intermediate Skill Level 3 to 5 hours with lit...

Page 18: ...speakers are a popular choice These are small usually plastic and are often included in many cost effective home theater in a box packages Their small size and cost effectiveness make them an ideal choice for smaller rooms or a budget system but their sound quality often comes up short when compared to higher quality options Recessed Speakers Some companies offer a type of speaker that uses the wa...

Page 19: ... system will perform Make sure you re choosing wire that is the proper material and has a thick enough gauge for the location and distance it will be run There are also different wire ratings that dictate what kind of wires are run within different areas of a house For example certain wires are in wall rated while others are rated for what can be run outside underground in HVAC ducts etc Since thi...

Page 20: ...y can hold the speaker weight 4 Once your mounting location is ready ensure your wire is ready to be connected Test your speaker after connecting the wire by playing something through it Once you get it to work hang or attach the speaker depending on the method being used Mounting Recessed Speakers In Wall and In Ceiling Intermediate Skill Level 2 to 3 hours depending on house 1 Start by taking th...

Page 21: ... be multiple screws you will need to tighten so be sure you have them all secured TECHTIP If you tighten all the screws on one side first or too far it will angle the speaker and make the opposite side almost impossible to attach without risking harm to the drywall Lightly tighten the screws all around when the speaker is flush with the drywall 7 Before you fully tighten your speakers into place u...

Page 22: ...al amplifier and install properly If the antenna needs to be split for two TV s install a 2 Way Signal Splitter in the connections If the antenna is not installed properly contact your dealer for assistance Choose Your Connection There are several ways to connect your television depending on the components you want to connect and the quality of the signal you want to achieve The following are exam...

Page 23: ...ct the audio and video cables from the external equipment s output jacks to the TV input jacks as shown in the figure When connecting the TV to external equipment match the jack colors Video yellow Audio Left white and Audio Right red How to use 1 Select the input source with using the INPUT button on the remote control 2 Press the button to select the desired source 3 Press the ok button to confi...

Page 24: ...HDMI jack for video connections depending on your set top box connector Then make the corresponding audio connections How to use 1 Turn on the digital set top box Refer to the owner s manual for the digital set top box 2 Use INPUT on the remote control to select YPbPr VGA or HDMI source Digital Set top Box Digital Audio Output Send the TV s audio to external audio equipment stereo system via the D...

Page 25: ...on the PC and the TV 2 Turn on the display by pressing the POWER button on the TV s remote control 3 Use INPUT on the remote control to select VGA or HDMI source 4 Check the image on your TV There may be noise associated with the resolution vertical pattern contrast or brightness in PC mode If noise is present change the PC mode to another resolution change the refresh rate to another rate or adju...

Page 26: ...into a standard polarized AC outlet NOTES Never connect the AC line cord plug to other than the specified voltage Use the attached power cord only If the polarized AC cord does not fit into a non polarized AC outlet do 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 th...

Page 27: ...27 HL19R Please release the screw 2 M4 See the picture 7 OPERATION INSTRUCTIONS Basal information 7 1 Front panel controls ...

Page 28: ...28 7 2 Back panel controls ...

Page 29: ...29 7 3 Setting Up Your Remote Control ...

Page 30: ...trol Board Subassembly Assembly Material Subassembly Romoter Contral Per setting Subassembly 3 2 3 3 3 5 3 6 3 7 3 8 Components List NO Name Description Parts number 1 HLC19R whole machine 2 Packaging 3 TV Set 3 1 Base subassembly 3 2 Back cover subassembly 3 3 Front Frame Subassembly 3 4 Assembly Material Subassembly 3 5 Control Board Subassembly 3 6 Remote Control Board Subassembly 3 7 Mainboard...

Page 31: ...sembly Spare parts number Location No Spare Parts Name in English Specification Qty Base Subassembly 1 Base Assembly 1 Base Borad 1 Rotational Axis 1 Rubber 5 Bolt 4 Base Subassembly Bolt GB818 85 M4X16 4 8 3 Back cover subassembly ...

Page 32: ...y Back Cover Subassembly Back Cover Subassembly 1 Back Cover Assembly 1 Back Cover 1 Button Bracket 1 DVD Control Board bracket 1 Power Board bracket 2 Terminal Board 1 LCD panel bracket 2 Small cover board 1 Bolster 1 Screw 2 DVD shield metal 1 DVD Button Label Sponge Strip 0 17 Bolt 2 Bolt GB818 85 M3 4 4 ...

Page 33: ... 87 ST3 8F 2 Bolt SJ2824 87 ST3X10F 6 8 4Front frame subassembly Components List Subassembly Spare parts number Location No Spare Parts Name in English Specification Qty Front Frame Subassembly 1 Front Frame Assembly 1 Front Frame 1 Transparent Window silk screen HAIER 1 Plastic board 1 Bolt SJ2824 87 ST3X10F 2 Front Frame Subassembly Bolt SJ2824 87 ST3 10F 2 ...

Page 34: ...mbly Spare parts number Location No Spare Parts Name in English Assembly Material Subassembly LVDS Wire Speaker Wire Connective Wire Power Cord Power Mainboard Inverter Connective Wire Power Supply Board Left Gasket Right Gasket Magnetism Coil Assembly Material Subassembly Magnetism Coil ...

Page 35: ...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 36: ... 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 9 3 Audio ...

Page 37: ...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 Single RF Scan Search channels in the frequency scope set in advance ...

Page 38: ...NA 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 39: ...39 9 6 Backlight Backlight adjust the backlight 9 7 Function Burning Mode ...

Page 40: ...l 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 41: ...41 Remark The date of the chart only is a example please don t adjust the factory mode base on it 10 CIRCUIT DIAGRAM ...

Page 42: ..._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 5V 5V_DVD 5VSB 3V3SB 3V...

Page 43: ... 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 10v C302 NC CE15 100uF 6...

Page 44: ... 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 U56 7805 TO 263 3 SMD 1...

Page 45: ...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 2 3 4 5 9 8 7 6 1 2 3 4...

Page 46: ...IFN 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 FB34 FB R1159 220K C75 ...

Page 47: ...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 9 10 11 12 13 14 15 1...

Page 48: ...T5380 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 0 1uF C0603 SMD C45 1...

Page 49: ...2V 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 GND GND GND GND GND GND G...

Page 50: ...4 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 3K R0603 SMD Q28 2N390...

Page 51: ...40 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 10nF C598 10nF L81 80 10...

Page 52: ...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 C662 10uF 10v C0805 SMD...

Page 53: ... 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 2 R1562 47 R1598 27 R06...

Page 54: ...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 179 178 177 176 175 174 173 172 171 183 181 182 180 203 200 20...

Page 55: ...S 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 C666 10uF 10v NC C0805 S...

Page 56: ...42 11 WIRING CONNECTION DIAGRAM ...

Page 57: ...MANUAL Scan No color for some channel program black and white Verify 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 pict...

Page 58: ...heck CN1 with oscillograph confirm wave output or not Connector CN1 12 4 Pannel failure Failure Mode Part Name Description Phenomena 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 lea...

Page 59: ...winker inside Polarizer Eyewinker inside Polarizer Abnormal Display Abnormal Display Circuit Flashing Bright and dark display alternately 1 Chip lose action 2 IC ahort or jointiog bad 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 curren...

Page 60: ...circle Causeed by between mechanism and pannel B L off B L lose action Connect badness between wire and electrode B L dark B L brightness darker than normal Connect badness Short between 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 l...

Page 61: ...ou will have your new TV Be sure to turn the power off and unplug the power cord before you 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 ...

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