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Haier HL15T Servise Manual Download Page 30

 

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. 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Factory Scan:  According to ANTENNA-ANALOG---

〉

ANTENNA-DIGITAL---

〉

CABLE- ANALOG---

〉 

CABLE- DIGITAL to search channels, used only in project debugging. 

 
 
 
 
 
 
 
 
 
 
 

 

37 

Summary of Contents for HL15T

Page 1: ...HL15T 1 ...

Page 2: ... 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 W...

Page 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 3 ...

Page 4: ...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 50W Voltage range V AC120V Power frequency Hz 60Hz Time of sleep timer MINS 240Min Net weight KG 2 5 Gross weight KG 3 2 Net dimension MM 392 168 347 Packaged dimension MM 448 193 387 4 ...

Page 5: ...tfrom 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 CONTA...

Page 6: ...ay cause undesired operation FCC CAUTION To assure continued compliance and possible undesirable interference the provided ferrite cores must be used when connecting this plasma display to video equipment and maintain at least 40cm spacing to other peripheral device CANADIAN NOTICE This Class B digital apparatus compiles with Canadian ICES 003 IMPORTANT SAFETY INSTRUCTIONS Read all of the instruct...

Page 7: ... 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 t...

Page 8: ...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 Supply Board 3 2 A Board Main Board 3 2 1 Function Description Main Board 8 ...

Page 9: ... 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 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 Pin number Signal name Desc...

Page 10: ...EN 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 ODD 3 Signal 30 RXO3 LVDS ODD 3 Signal Keypad and remote connector CN2 Speaker connector CN1 DVD VIDEO Connector CN6 10 ...

Page 11: ...umber 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 J3 3V3SB 1 U0RX 2 U0TX 3 4 4x1 W HOUSING DIP4 W H P2 0 3 3 B Board Power Board 3 3 1 Function Description Supply power for Main board Panel 3 3 2Connectordefinition INPUT CONNECTOR CN6 CN6 Signal name 11 ...

Page 12: ...nd 7 RXE0 LVDS EVEN 0 Signal 8 RXE0 LVDS EVEN 0 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 1...

Page 13: ...1 2 3 VBL 3 3V Power input 4 5 6 13 14 25 26 GND Ground 7 12 15 16 17 18 LVDS EVEN LVDS EVEN Signal 19 24 27 28 29 30 LVDS ODD LVDS ODD Signal 4 FEATURES AND TECHINICAL DESCRIPTION 1 Factory model reference only L15T1W A 2 HAC model HL15T 3 Tuner Integrated NTSC ATSC 4 Video Signal System NTSC ATSC 8VSB Clear QAM 5 Digital Comb Filter 3D 6 Video Noise Reduction yes 7 Stereo Surround Sound yes 8 MT...

Page 14: ... we recommend that you use a CATV system or an 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 in the connections If the antenna is not installed properly contact your dealer 21 ...

Page 15: ...dio Right red If you connect an S VIDEO output from VCR tothe S VIDEO input the picture quality is improved compared to connecting a regular VCR to the Video input 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 conf...

Page 16: ...erating instructions Component Input ports To get better picture quality connect a DVD player to the componentinput ports as shown below Video output ports on DVD player Y Y Y Y Pb B Y Cb PΒ Pr R Y Cr PR DTV connection This TV can receive Digital Over the air Cable signals without an external digital set top box However if you do receive Digital signals from a digital set top box or other digital ...

Page 17: ...r DVI IN to display the PC on the TV If the graphic card on the PC does output analog and digital RGB simultaneously set the TV to either VGA or DVI the other mode is set to Plug and Play automatically by the TV 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 butt...

Page 18: ...when you connect headphones to the system Power source Wider Hole and Blade AC Outlet TO USE AC POWER SOURCE Use the AC polarized line cord provided for operation on AC Insert the AC cord plug 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 A...

Page 19: ...ration Take the table stand off You can take off the table stand if you don t want to use the table stand HL15T Please release the screw 2 M4 See the picture 7 OPERATION INSTRUCTIONS Basal information 7 1 Front panel controls 26 ...

Page 20: ...7 2 Back panel controls 27 ...

Page 21: ...7 3 Setting Up Your Remote Control 8 DISASSEMBLY INSTRUCTIONS 8 1 whole machine The whole machine includes Packaging subassembly Front frame subassembly Back cover 28 ...

Page 22: ...omoter Contral Per setting Subassembly 1 2 3 1 3 2 3 3 3 4 3 5 3 6 Components List NO Name Description Parts number 1 HL15T whole machine 2 Packaging 3 1 Base subassembly 3 2 Rear 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 29 ...

Page 23: ...ubassembly 1 Base pannel 1 Mat 4 Iron patch 1 Base subassembly Bolt SJ2824 87 ST3 10F 4 8 3 Rear cover subassembly Components List Subassembly Spare parts number Location No Spare Parts Name in English Specification Qty Rear cover subassembly 1 Rear cover subassembly Speaker Wire 55 55 25 25 1 30 ...

Page 24: ...L6E B 1 Rear cover 1 Copper tessera 4 Rotate axis 1 Rotate axis board 1 Bolt SJ2825 87 ST3 6F 4 Terminal board 1 Rear terminal label 1 Bolt SJ2824 87 ST3X10F 3 Metal clip 3 Cloth 0 3 sponge bar 0 2 Bolt SJ2824 87 ST3X10F 6 Bolt SJ2824 87 ST3X10F 4 label 1 8 4Front frame subassembly 31 ...

Page 25: ... Name in English Specification Qty Front frame subassembly 1 Front frame 1 Adornment 1 show lamp 1 Net cloth 1 POWER switch 1 Key board button bracket 1 Button cap 3 Front FRAME Subassembly Cloth 2 8 5 Assembly Material Subassembly 8 5 1 Location Photo 32 ...

Page 26: ...DS Wire 1 Connective Wire PH 12P 570mm PH 7P 450mm PH 6P 1 Power Mainboard Inverter Connective Wire TJC3 7 500mm TJC3 7 1 Power Supply Board PCA050FA 011 P R 1 LCD PANNEL LTN154X3 L01 1 Magnetism annulation ECRK 513571 1 Magnetism annulation ECRK 513571 1 Electric Sponge20 15 30 2 Foam pad L 1 Foam pad R 1 Assembly Material Subassembly Panel bracket 2 33 ...

Page 27: ... GB9074 4 88 M4 12 2 Bolt SJ2824 87 ST3 10F 4 Bolt SJ2824 87 ST3 10F 4 Bolt SJ2824 87 ST3 10F 1 Clip 1 Bolt SJ2824 87 ST3 8F 2 Bolt SJ2824 87 ST3 8F 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 34 ...

Page 28: ... and the second line is current 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 35 ...

Page 29: ...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 9 4 Channel 36 ...

Page 30: ...ls by differentiation the analog and digital channels 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 37 ...

Page 31: ... 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 38 ...

Page 32: ...unction 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 39 ...

Page 33: ...ean 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 40 ...

Page 34: ...645 1000pF C0603 SMD Vcore PWR U3 DDR1 U17 U18 MT5380 JMP J17 LDO U41 LDO U10 U16 LDO U9 Q16 P44 LED_R 8 GND 9 LED_G 10 CPU_5V 11 12 LED_GRE 5VSB OIRI D165 MLVS0603M07 R1711 10K 4 GPIO_3 4 GPIO_10 4 GPIO_11 GPIO_3 GPIO_10 GPIO_11 OIRI UA1 LQFP IR_IN 7 OIRI OPCTRL3 IR IR1 USB P1 DDR PWR U4 U11 LDO U6 UR1 J3 U13 YPbPr1 LR_IN AV_out Tuner U22 KEY 4 OPCTRL3 4 ADIN1 4 ADIN2 2 3 4 5 6 7 8 9 10 11 12 13 ...

Page 35: ... 100uF 6 3v VTT FOR DDR TERMINATOR MEM_VREF FOR DDR AND MT5381 VREF 12V 3 U3 AP1513 SOP 8 SOP8 SMD 4 Vcc O P 6 5 L2 27uH POWER CHOKE DV10 3 R518 C301 O P C302 R5 CE593 3K NS 100nF 3 NC 1K 1 CB5 CE33 CE9 CB42 CB6 R519 OCSET FB 0 1uF 470uF 6 3v 0 01uF 0 1uF 100K 470uF 16v D95 R7 SCHOTTKY DIODE B340A 2K 470uF 6 3v Low ESR CB64 0 1uF 0 8 x 1 1K 2K 1 2V 2 2 5VSB U6 AZ1117 adj 3V3SB 5V U11 DDRV 3 IN OUT...

Page 36: ...0v 0 1uF R19 0 1 25 x 1 0 100 1 25V 10 tolerance 1 25 x 1 180 110 3 3V 3 12V 3 U41 AZ1117 adj L145 L146 U56 5V AV25 27R 1206 27R 1206 7805 3 IN OUT 2 RCF 1 RCF 1 1 IN OUT 3 5V_TUNER CB229 0 1uF R71 100 C572 1uF CB228 0 1uF CE592 100uF 6 3v CE224 470uF 16v CB197 0 1uF TO 263 3 SMD C574 1uF CB398 0 1uF R70 100 1 25 x 1 100 100 2 5V POWER SUPPLY 5V FOR TUNER 2 2 POWER SUPPLY 30V FOR SAMSUNG TUNER 1 N...

Page 37: ...RL1 91 76 OPCTRL0 CEC NC OPCTRL1 OPCTRL2 C25 4 7uF 10V D1 R22 220 2N3904 CB1002 0 1uF 13 14 7 CB1002 0 1uF 13 14 7 OSDA0 GPIO_0 GPIO_0 AVDD33_REG 88 OPCTRL2 75 OPCTRL3 1N4148 47K C0603 SMD C_XREG ORESET OPWRSB AVDD33_REG 87 C_XREG 71 ORESET_ 72 OPWRSB OPCTRL3 OPCTRL4 90 OPCTRL5 89 OPCTRL4 OPCTRL5 7 9 OPWM 1 2 8 9 13 14 GPIO_ 4 11 1 ADIN1 OPWM 1 2 GPIO_ 4 11 ADIN1 ADIN2 DV33 MT5380 SMD LQFP 3V3SB 1...

Page 38: ...UNER_DATA TUNER_CLK 197 196 TUNER_DATA TUNER_CLK RF_AGC IF_AGC 194 R1593 10K IF_AGC C568 47nF GND R84 0 10nF C75 10nF SIFN MT5380 SMD LQFP Near chip ALPS COMBO TUNER 阿尔卑斯电气株式会社 5V_TUNER AFT R1160 100K ADIN3 GND1 TH1 TH2 CB990 C589 CE618 L3 FB BEAD SMD 0805 R1159 220K GND2 0 1uF 10uF 10v 220uF 10v 5V_TUNER AV33 NC or OOB 1 B B1_ 5V 2 3 SIF SIF C0603 SMD C0805 SMD C220UF10V D6H11 B GND or SIF O P GN...

Page 39: ... RDQ12 7 RNA10 8 47x4 0402 MEM_DQ12 7 RNA12 8 75x4 MEM_RAS 23 CAS CLK 44 MEM_CLKEN RDQ13 5 6 MEM_DQ13 5 6 MT5380 SMD LQFP C MEM_CS MEM_BA0 MEM_BA1 MEM_ADDR10 RAS 24 CS 25 NC 26 BS0 27 BS1 28 A10 AP CKE NC 43 A12 42 A11 41 A9 40 A8 39 MEM_ADDR12 MEM_ADDR11 MEM_ADDR9 MEM_ADDR8 RDQ14 3 4 MEM_DQ14 3 4 RDQ15 1 2 MEM_DQ15 1 2 RN0402 SMD VTT C MEM_ADDR12 8 MEM_ADDR11 6 MEM_ADDR9 4 7 RA12 5 RA11 3 RA9 MEM...

Page 40: ...T JTDI JTMS JTCK TVTREF 1 JTAG_DBGRQ JTAG_DBGACK J2 1 2 3 4 5 6 7 8 9 10 R200 NC NS 2N3904 FOR CODE DOWNLOAD AND DEBUGGING 4 4x1 W HOUSING DIP4 W H P2 0 C R53 10K R58 10K R59 10K P5X2 2 0MM DIP5X2 P2 0 DV33 DV10 U13I CB34 CB35 CB36 C76 C45 14 B 48 57 58 61 70 VCCK VCCK VCCK VCCK VCCK VCC2IO 10 VCC2IO 12 VCC2IO 16 VCC2IO 18 VCC2IO 27 30 DDRV DV33 R1252 NS 4 7K OPWM2 4 7K R1229 NS 4 7K AOBCK 4 7K R1...

Page 41: ... SCL 6 5 HDMIDDCWP0 HDMIDDCSCL_0 HDMIDDCSDA_0 HDMI_PLUGPWR0 DIODE SMD R92 1K CEC RX0_2 2 DN1 1 RX0_0 2 DN2 1 GND SDA EEPROM 24C02 R94 HDMICAB0 RX0_2B 4 3 RX0_0B 4 3 20K DN3 RX0_1 6 5 RX0_C 6 5 R102 4 7K GPIO_7 R97 1 Q6 2N3904 R98 D19 NS DIODE EGA 0603 PESD1206Q 140 PESD1206Q 140 SMD RX0_1B 8 7 RX0_CB 8 7 GPIO_6 1 Q40 2N3904 1K 100K PESD1206Q 140 PESD1206Q 140 SMD PESD1206Q 140 PESD1206Q 140 SMD HD...

Page 42: ... 3 2 A7N A7P A5N 21 A6N 23 22 A5P 24 A6P 1 BL_ON OFF BL_ON OFF For 5V GND 25 26 GND MT5380 SMD LQFP 5V_LVDS JP10 LVDS OUT L132 FB U28 1 8 LVDSVDD CK2N A7N 27 29 15x2 28 CK2P 30 A7P 1 DIMMING DIMMING AV33 FB 1206 2A 2 7 R123 3 6 DIP 15X2P P2 0 FB37 FB C85 1uF AVDD33_LVDS C86 4 7uF 10V CB155 0 1uF 12V JP11 NC CE49 220uF 10v CB154 0 1uF 100K 4 5 CE52 FDS9435 470uF 10v SMD SOP8 P1 27 CB152 0 1uF C0603...

Page 43: ...00MHZ D110 NS EZJZ0V800AA C353 R1187 15pF 75 NEARLY MT5380 R1207 C349 4 7nF SOY0 0 R1184 C351 10nF Y0P 68 COAXIAL C RCA2X3 9 PR0_IN Y_GND R1190 0 R1189 100 C355 10nF Y0N SPDIF C500 100nF C501 R1455 100 R1456 ASPDIF C AV6A PB0_IN L82 80 100MHZ R1192 68 C357 10nF PB0P 33pF 100 YPBPR0L_IN NS EZJZ0V800AA 75 C359 15pF D107 NS EZJZ0V800AA ESD0603 SMD PB_GND NS EZJZ0V800AA D131 R1203 75 R1191 0 C365 15pF...

Page 44: ...ND 0 R181 100 R172 10nF C139 BN D23 R164 C133 RED 80 100MHz FB69 68 R174 10nF C140 RP NS EZJZ0V800AA 2K 5pF D27 R175 C141 NS EZJZ0V800AA 75 5pF RED_GND 0 R196 100 R180 10nF C144 RN VGA_PLUGPWR VSYNC R167 0 L6 FB VSYNC VGA_PLUGPWR A D25 R170 C137 R176 10K CB161 A 0 1uF NS EZJZ0V800AA 2K 5pF C661 VGASCL VGASDA VGAROMWP 8 VCC 7 WP 6 SCL 5 SDA U29 NC 1 NC 2 NC 3 GND 4 VGAL_IN VGAR_IN 10uF 10v R178 20K...

Page 45: ...SS25_VADC CB163 0 1uF C0603 SMD Near Connector C663 AV25 FB46 FB AVDD25_REF C SC1_IN P6 4 C Y 2 3 SY1_IN 1 AV1L_IN AV1R_IN 10uF 10v R190 20K AIN0_L C664 C1 00 8u 0F 5 1 S 0 M vD C0805 SMD AV25 FB43 FB DVDD25_VADC C149 CB162 C151 AVSS25_REF CB165 0 1uF C0603 SMD C G G Near Tuner CVBS0T R1212 0 R79 100 C68 47nF CVBS0 DVSS25_VADC 0 1uF C0603 SMD AV25 FB45 FB AVDD25_VFE S_VIDEO R1213 C536 C150 CVBS S ...

Page 46: ...3_ADAC1 ADAC_VCM AV33 FB52 FB AVSS33_AADC REFP_AADC C204 C0603 SMD AV33 FB53 FB AVSS33_ADAC0 AVDD33_ADAC1 C203 C0603 SMD 10 10 11 11 8 14 8 14 14 14 8 14 AIN1_L AIN1_R AIN2_L AIN2_R AL1 AR1 AL2 AR2 MUTE AIN1_R AIN2_L AIN2_R AL1 AR1 AL2 AR2 MUTE ASPDIF ADAC_VCM AVDD33_DIG MT5380 SMD LQFP 170 AVDD33_DIG 1uF REFN_AADC CB174 0 1uF C0603 SMD 1uF AVSS33_ADAC1 CB175 0 1uF C0603 SMD 10 ASPDIF 7 AOBCK 14 O...

Page 47: ... OPAVREF C635 OPAVREF R308 NS 51K NS 1N4148 R309 NS 56K R301 NS 10K 4 7K 1 R325 NS 1K Q11 2N3906 OFF_MUTE 330uF 16V D15 1N4148 MUTE 8 AVR1_OUT AMP 8 AVL1_OUT AMP AVR1_OUT AMP AVL1_OUT AMP 47K 0 1uF 1uF CE629 22uF 10v 4 GPIO_5 8 MUTE GPIO_5 1 GPIO_5 MUTE Q12 NS 2SD2653K R300 100K R307 100K 13 OFF_MUTE OFF_MUTE R1753 33K A AL1 C667 10uF 10v R1754 R1755 5 1K C641 120pF U55A 2 1 CE640 R1756 20 A AVL1_...

Page 48: ...11 WIRING CONNECTION DIAGRAM 41 ...

Page 49: ...UAL 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 picture...

Page 50: ...k 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 Vertal gray V Dim line Vertical color 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 TCP V L D H B D...

Page 51: ...ker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Flashing Abnormal Display 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 Circuit White Screen B L normal only white screen display Black Screen B L normal only Black screen display Maybe caused by surge c...

Page 52: ...cle B L off B L lose action Causeed by between mechanism and pannel 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 open B L wire damaged Operation abnormal or systemic noise Without backlight Operation abnormal or systemic noise B L shut down F M B L shutdown in sometime F M in B L whi...

Page 53: ...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 and...

Page 54: ...Sincere Forever 47 ...

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