LG LL-15A10 User's Manual
Contents
1. Small AV System Monitor Large AV System NoteBook PC LG LCD TV Market Trend World Market Volume World Market LCD TV 2000 2001 2002 2003 Years 2004 2005 Source IDC JAPAN Guidance of handling Color TFT LCD Module Color TFT LCD Module is very sensitive both electrically and physically Users therefore are requested to follow the Guidance of handling color TFT LCD Module on the followings 1 Be careful not to make scratch on the polarizer Surface of polarizer is soft and can be physically damaged easily Please do not touch push or rub polarizer surface with materials over HB hardness 2 Keep clean the surface Please wear rubber glove when touch the surface of LCD screen Please use soft and anti static material with n Hexane as cleaner 3 Keep out of water Water on in the LCD may cause electrical short or corrosion Please wipe out or dry water carefully Prevent swift Temperature amp Humidity change Swift temperature and or humidity change can make dew or ice which cause nonconformance such as malfunction 5 High temperature amp high humidity reduce the life time LCD is not proper to be used at high temp erature and high humidity Please keep specified temperature and humidity condition 6 Keep out of Corrosive Gas Corrosive gas effect the polarizer and the circuit chemically and cause def2. KOUT1 Signal Output to Soft Touch panel KOUT2 VS_PC Check the signal 100msec interval for PC signal HS_PC Remocon signal input B SND Beeper Sound output to Soft Touch PCB M PWR Power Control INV PWR Inverter Power control VSS Ground VDD3 3 Voltage Supply 3 3V AD PD Power control for AD9884 1C201 Turn off when Video amp RF mode 3230RESET Reset VPC3230 amp MX IC when power on RESET Monitors Main power supply for MICOM operation crystal 6MHz connection for MICOM operation Voltage Supply 2 5V Teletext R G B signal output Fast Blanking signal for Teletext Voltage Supply 2 5V 50 A MUTE Sound Mute control when Channel up down Mode change amp Power on off 51 MX DA Data communication terminal with MX IC Data amp CS 52 MX CS 36 Presentation for SVC Engineer Video Processing VPC3230D gt gt ir Og Ot lt 5 gt gt 54 N Z Os lt x x Z O gt gt gt u lt lt 00000050000 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 GNDF YO VRT M1 I2CSEL Y2 ISGND VSUPF VSUPY VOUT GNDY CIN Y4 VPC3230D ms VIN2 Y6 Y7 VIN4 GNDLLC VSUPAI VSUPLLC GNDAI VREF LLC2 FB1IN VSUPPA AISGND 1 2 3 4 5 6 78 9 10 11 12 13 14 1
3. the personal computer to the input socket of the set Note 1 Check the PC Mode before exchanging the new monitor LG the PC Mode should be within a mode in the table listed If over XGA mode after change the PC mode to one mode of table listed If possible use the 1024 X 768 60Hz video mode to obtain the best image quality for you and then exchange the monitor 2 When the PC screen appears on the set some message may be appear on the screen and the message is different depend on Window system version Win98 2000 Next Page If you have an Apple Macintosh connect the VGA adaptor block from the 3 row 15 pin to 2 row 15 pin with the signal cable and connect the VGA adaptor block to the Macintosh The cable are not supplied such as the signal cable audio cable VGA adaptor block for Macintosh PC 640 X 480 640 X 480 565 X 496 640 X 480 640 X 480 720 X 400 800 X 600 800 X 600 800 X 600 800 X 600 800 X 600 832 X 624 1024 X 768 1024 X 768 1024 X 768 1024 X 768 31 5kHz 35kHz 37 9kHz 37 5kHz 43 3kHz 31 5kHz 35 2kHz 37 9kHz 48 1kHz 46 9kHz 53 7kHz 49 7kHz 48 4kHz 56 5kHz 60 2kHz 68 7kHz 2 Connect the audio cable from the PC to the Audio socket of the set 3 Press the TV AV PC button to select PC Mode 4 Switch on the PC Mode and the PC Screen automatically appears on the set The set can be operated as the PC monitor Horizontal 2 Vertical Freq Hz
4. Welcome to gt LE 15A10 Brdpe LL 15A10 Contents 1 LCD Technology 1 What is TFT LCD 2 Structure of TFT LCD 3 TFT LCD Operating Mechanism 4 Operating Theory 5 Structure LCD Module 6 Structure of Back light 7 Function of Back light 8 Key Parts Color Filter Polarizer 2 LCD Market Trend 1 Comparison with other Display devices 2 World Display Market Trend 3 LCD TV Market trend 4 Guidance of handling LCD product 5 Abbreviations 3 LCD TV Structure 1 General Specifications 2 Presentation for SVC Engineer 1 LCD Technology 1 What is TFT LCD 2 Structure of TFT LCD 3 TFT LCD Operating Mechanism 4 Operating Theory 5 Structure LCD Module 6 Structure of Back light 7 Function of Back light 8 Key Parts Color Filter Polarizer What is TFT Thin Film Transistor When supply over certain voltage Vth to EMEN the GATE it delivers information from Compound Transistor with thin film in every Pixel Drain to Source on ITO E SWITCHING Characteristics E Independent on neighboring Pixel _ Panel TFT Element L SOURCE DRAIN Semi Conductor a j m Glass Panel Insulator Transparent Pixel Electrode Structure of TFT LCD 300 LCD C F Glass Panel Common Electrode TFT Glass Pixel Electrode Data Line Gate Line Liquid Crys
5. 2 Analog Input V SUPSY SUPPLYD Xx Supply Voltage Sync Pad Circuitry VIN3 var Video 3 Analog Input Interlace Output VIN4 IN VRT Video 4 Analog Input Video 4 Analog Input 54 OUT LV Active Video Output A Supply Voltage Analog Component 54 avo OUT V V SUPAI BUPPLY um inputs Front End FSY HC Front Sync Horizontal Clamp Pulse Ground Analog Component Inputs 77 GND AI SUPPLYA MSY HS IN OUT Main Sync Horizontal Sync Pulse Front End 78 VREF Reference Voltage Top Analog Vertical Sync Pulse L 79 FB1IN VREF Fast Blank Input FPDAT IN OUT Front End Back End Data 2 Signal Ground for Analog Component J hioc PURELY Inputs connect to GND Al our iv ee re var out x Reference Top Co ss vsuer x Votase Analog Frontene 41 Presentation for SVC Engineer Audio Processing MSP3440G AVSUP AVSUP ANA IN1 ANA IN ANA IN2 TESTEN XTAL IN XTAL OUT TP AUD CL OUT NC NC D CTR 1 D 0 ADR SEL STANDBYQ z a a 4 r 4 d mim gt Uu e ou D O O gt gt OP OE m OO 0 0 O 0 O O I IO Z Z lt lt Z gt lt lt lt Z lt lt lt Z Z 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 CAPL M 3
6. DK M RESERVED gt OPTION 2 ACMS BBACK urbo Search System PANEL Option AGC Option Inverter Option Last Mode Save MONO Option CHINA AU Option TXT Language 0 16 OPTION 4 OSD OSD Language 29 T LAN TEXT Language REMARK 20008 0 100 PROGRAM 200 PROGRAM Without TEXT TEXT DUAL I MODE SAVE No TOP TEXT TOP TEXT W O SCART WITH SCART NO A2 STEREO A2 STEREO BG I DK MICOM AFT TUNER AGC INVERTER INVERTER Last Mode Save Last Mode Save No Forcible MONO Mode Forcible MONO Mode Option OFF Option ON LE Model EU LL Model FRANCE REMARK RF AV Mode All Modes Only TUNISIA Except China amp Australia China amp Australia rucnow Channel Name Memory Slow VOLUME Change Steep VOLUME Change W O BLUE BACK With BLUE BACK ENG Only EU ETC FARSI ARAB URDU E CHINA RESERVED WEST EU EAST EU1 TURKEY EU EAST EU2 CYRILLIC1 CYRILLIC2 CYRILLIC3 TURK GRE1 TURK GRE2 o wr 2 mev enste 6 cca 7 turnert Only AUSTRALIA Except AUSTRALIA Normal Curve Rushed Curve TURK GRE3 ARAB FRA ARAB ENG ARAB HEB1 ARAB HEB2 FARSI FRA FARSI ALL 30 Presentation for SVC Engineer BLOCK DIAGRAM 01 IN N JJ 9V 2 Tuner Tuner 2 BV MSP3440 D 9V Audio AMP 9V 5V Micom IN ND Tuner amp IF TAUC S120D TAFC M130D TAFC
7. PC video up to 1024X768 85Hz and 1280 1024 panel display device timing and resolution 960 2 operation mode Provide full frame buffer reduce frame buffer and Support YCrCb422 RGB888 mode frame buffer less optional architecture Interlace amp Progressive Built in memory and output clock generator Support TTL clock input Support Auto tracking and Auto position capabilities Output Support Auto gain capability for input image Single and dual bit RGB data output On chip brightness and contrast adjustments Built in YCrCb to RGB color space converter On chip gamma correction for panel compensation Built in programmable Brightness and Contrast control Support Horizontal and Vertical position adjustment Memory RGB24 YUV PIXIN 2 Seale Color Brightness MGS ing with Conversion Contrast OSD Technology i i I ISmartScaling 2 coiro Generator Technology PIXOUT A Autotracking Autoposition Gamma Odd Even RGB Autogain Correction Mux PIXOUT B Mode Detection RGB De Interlaced BIU M OSD MUX CPU I F Blending VIP RGB24 External OSD 45
8. 24 General Specifications Unique Feature Soft Touch Control _ Soft Touch control system LG s advanced technology leads customers to the emotional satisfaction Its main characteristics are Anti static function when touching besides softness amp luxurious looking Conductive Rubber Cabinet 25 PAL SECAM B G SECAM L L LL 15A10 PAL SECAM B G D K PAL I LE 15A10 PAL SECAM B D I NTSC 4 43AV LT 15A10 100 240V 50 60Hz AC DC Adapter 12V Power consumption 30 W Stand by 3W Below FVS 100Program 200 Optional Auto Manual programming LT 15A10 ACMS With VPS amp TXT TTS Turbo Quick View search Sys PSM Dynamic Standard Mild Game Digital comb filter Progressive scan RF Stereo A2 NICAM DASP 4mode AVL Balance stereo Graphic equalizer Sound output 1W 1W rms Halftone OSD Menu Window type OSD Multilanguage Program List amp Edit Mode Rear part Scart in LL LE 15A10 Video EU Model S VHS in DVD in LT 15A10 LT 15A10 Headphone out XGA IN D SUB Jack Presentation for SVC Engineer Specifications FLOF LIST TOP TOP Optional Soft Touch control Auto A V Child Lock Easy picture control PSM Auto sleep XGA 1024 X 768 85Hz Type Color Active Matrix TFT Size 15 1 38 35cm Pixel Format 1024 X 768 Pixel Display Type R G B Stripe Pixel Pitch 0 3 X 0 3mm Color Depth 16Mil Color 8 bits Active Video Area 307 X 230mm Surface Anti G
9. 5 16 17 18 19 20 21 22 23 24 lt gt Z lt n O lt O nn OO lt u r z E m gt r m gt r gt gt O GDS r gt O G E 2 7 2 gt m m 00 5 LL 37 Presentation for SVC Engineer 1 Features Video Decoding 4 Composite inputs 1 S VHS input Composite video amp sync output integrated high quality A D converters Adaptive 2H comb filter Y C separator 1H NTSC comb filter Multi standard color decoder 1 Crystal Multi standard sync decoder Black line detector Video Decoding Horizontal scaling 0 25 to 4 Panorama vision Black level expander Dynamic peaking Soft limiter gamma correction Color transient improvement Video Processing VPC3230D RGB Processing Programmable RGB matrix Digital color bus interface Additional analog RGB Fast blank input Half contrast switch Picture frame generator Deflection Scan velocity modulation output High performance H V deflection Separate ADC for tube measurements EHT compensation Miscellaneous One 20 25MHz crystal few external components Embedded RISC controller 80 MIPS 2 Bus interface Single 5V power supply Submicrom COMS technology 64 pin PSDIP package 38 Block Diagram CIN1 O VIN1 O VIN2 O V
10. 9 AHVSUP 38 CAPL 3 7 SC1 OUT L 36 SC1 OUT R 35 VREF1 34 SC2 OUT L 33 SC2 OUT R 32 ASG3 31 NC 30 SUB 29 NC 28 DACM L 27 DACM 26 VREF2 25 DACA L MSP3410D 42 Presentation for SVC Engineer Audio Processing MSP3410D tw Nome e es oao our iv esse 7 esa iw steen our iv 9 our tv SLEM TE 43 Presentation for SVC Engineer Audio Processing MSP3440G HISET een No ype if not used ort Description Pin Name Type rot deed Short Description mpe um se Beteronce votage F AD convener tw tw morore om Ango tw tw e avsur om Anslogponersupoy sv mac S 7 un ANA IN AVSS via IF be left vacant only 56pF LV if IF input1 is also not in use AVSS via IF input can be left vacant only if ANA a IF is also not in use 71 XTAL IN Crystal oscillator D IN OUT D 1 D IN OUT D 0 ADR SEL 2 Bus address select J STANDBY IN OBL Stand by low active 44 Presentation for SVC Engineer LCD Monitor Controller MX88L284 Features Input Converts NTSC PAL and video signal into flat
11. Back Light Back Light Unit located behind TFT Panel lower Glass and supplies light to the PANEL CCFL LAMP Cold Cathode Fluorescen amp LAMP Can realize White Light Long life time Appr 25 000HR S Brightness control 1000V Inverter Direct Type Side Guided Type LCD Panel lt LCD Panel SI Guide A LAMP Reflector Key Parts Drive IC Supplies the signal from PCB to TFT PANEL TCP TYPE DRIVER IC Tape Carrier Package GATE DRIVER IC 8EA Horizontal Supplies signals from Data line to the Gate of TFT PANEL sequentially Each IC controls 128 lines in horizontal SOURCE DRIVER IC 5EA Vertical Supplies the Pixel Data from SOURCE to each Pixel when the Gate of TFT PANEL ON IIIIIIIIOIII II IIM IIG Each IC controls 154 lines in vertical 2 LCD Market Trends 1 Comparison with other Display devices 2 World Display Market Trend 3 LCD TV Market Trend 4 Guidance of handling LCD products 5 Abbreviations Comparison with other Display devices C Normal Over 40 Contrast Brightness Resolution View Angle Resp Me Color Time LCD PDP Plasma Display Panel VFD Vacuum Flourescent Display e Very Good Possible to realize Good Hard to realize AN Bad Impossible to realize 17 World Display Market Trend 60 Projector 50 40 30 Market 1 20 10
12. IN3 O VIN4 O VOUT O RGB YCbCr FB O RGB YCbCr Analog Front End Adaptive Comb Filter Color Decoder NTSC PAL SECAL Saturation Tint 2D Scaler PIP Panorama Mode Contrast Brightness Peaking Output Formatter ITU R 656 ITU R 601 Memory Control ANALOG Component Front End 4 ADC Processing Matrix Contrast Saturation Brightness Tint SYNC Clock Generation 20 25MHz O Y OUT O CrCb OUT O YCOE FIFO CNTL LL Clock H Sync Vsync CNTL AVI0 39 Presentation for SVC Engineer n Connection e Tee 0 not used U B1 CB1IN VREF Blue1 Cb1 Analog Component Input G1 Y1IN VREF Green1 Y1 Analog Component Input R1 CR1IN VREF Red1 Cr1 Analog Component Input B2 CB2IN VREF Blue2 Cb2 Analog Component Input G2 Y2IN VREF Green2 Y2 Analog Component Input 6 R2 CR2IN VREF Red2 Cr2 Analog Component Input ASGF x Analog Shield GND F Supply Voltage Digital Decoupling x goe Supply Voltage Digital Circuitry Video Processing VPC3230D Pin 5 Connection lt i not used eee Ground Pad Decoupling Circuitry Y Picture Bus Luma a 2 40 Presentation for SVC Engineer Video Processing VPC3230D NC Free Pin gt Connection we GND SY TERA Ground Sync Pad NT VIN2 Video
13. Z140D Power 12V 3A Video Decoder VPC3230D for TXT H Vs EPROM for OSD SC786102A Addr 16bits JE Data 8bits R G B 8bits SCL1 SDA1 Y UN 8 4 4 Hs Vs Hsc Avo Intlc Video Scaler MX88L284 Converter AD9884 leueg GOT OL for OSD position MICOM TXT SDA555 Component Input or SCART JACK Audio AMP Processor 1 4282 MSP3410D PC D TV Input Video Input 31 Presentation for SVC Engineer MICOM Pinning amp Descriptions SCLO SDAO IIC Control SCL1 SDA1 FS SW1 SW2 AV ID VDD2 5 VSS VDD3 3 CVBS VDDA2 5 VSS KIN1 KIN3 AFT Hsync_TV For TXT position Vsync TV KOUT1 Soft Touch Key Output KOUT2 VS PC IR B SND HS PC To Tuner 2 3 4 5 6 7 8 9 0 SDA555X MX CS A MUTE MX CK KIN4 RGB SW S DET INV_BRT VDD3 3 VSS VDD2 5 FB VDDA2 5 VSS XOUT RESET 3230RESET AD PD VDD3 3 VSS INV PWR M PWR 32 S IIC Control with EEPROM SDA0 IC control with other Devices TUNER VPC3230 MSP3410 etc Factory Service mode Data control during production TUNER System control signal SW Sw NTSC M L H BG L L H L SECAML H H n8 of SCART AV ID AV identification signal input from pi VDD2 5 Voltage Supply 2 5V Signal Input from Soft touch panel Ex 15 16 AFT AFT signal input Hsync TV H Sync amp V Sync for TXT position from VPC3230 Vsync TV
14. ects accordingly 7 Electrostatic discharge can make damage There are electro static sensitive components such as CMOS in LCD Module Please earth human body when handle the LCD In addition please do not touch the interface connector pin with bare 8 Do not operate for long time under the same pattern Operating LCD for a long time under the same pattern can cause image persistence and can damage it Please follow following guidance 1 Turn the power off when do not use 2 Change the pattern periodically Abbreviations Abbreviations on LCD Module and TV No Full Description 16 Thin Film Transistor 21 LG LCD TV 1 General Specification Key Value Specifications Monitor Features Unique Features 2 Presentation for SVC Engineer Specifications Exploded View Interconnection Guide Block Diagram Adjustment MICOM Pinning amp Descriptions Video Processing Audio Processing 22 General Specifications LE LL LT 15A10 Great Design Dual Functionality High Tech Stand type Wall mounting Without Stand Key Value KEY VALUE Modern Style Slim Free space Computer Monitor Up to XGA 1024X768 85Hz Independent TV Receiver LCD HD Compatible Component Input Optional ME SCART Jack Optional EU 23 General Specifications Monitor Features 1 Connect the signal cable from the monitor out socket of
15. lare Hard Coating Back Light 2CCFL Viewing Angle Left Right 75 Contrast ratio Upward 60 25 Downward 55 Luminance 250Cd m Contrast Ratio 300 Input Signal Volt Low 0 0 8V High 2 1 5 5V Input Signal type Separator Signal Signal Polarit Positive amp Negative 1 Dot Below 4 Dark Dot 2 Dot Below 1 Neighboring Sub Total below 5 1 Dot Below 2 Bright Dot 2 Dot None Neighboring Sub Total below 2 The Life Time is defined as the time at which brightness of lamp is 5096 compare to that of initial value at the typical lamp current on condition of continuos operating at 25 2 C 26 INVERTER 22776669808 N 42 e 1 P s i 3 j 1 EN 20000090 00000000 F SPEAKER R I te me PE MAIN PCB Connector between Main PCB and LCM CONTROL PCB 27 Presentation for SVC Engineer Interconnection Guide LCD Module Control PCB Presentation for SVC Engineer Adjustment in SVC mode SVC key or OK 187 LED BD DriveBlue 80 RO Red 32 BO Blue 32 Prescaler 89 105 Vertical Frequency 50 PAL 60 NTSC N Mode N normal W wide TV AV1 AV2 OPTION Part OPTION 1 SYSTEM Select BG I DK BG L BG I
16. p Polarizer is a filter which polarize the light to one direction olarizer lt Light transmittance gt lt Blocking gt Polarizedlight Electrode a a b Vic Vic Liquid Crystal N off on rysta pd Electrode lt VLC 3 3V gt Operating Theory Braun Tube Light Emitting Component TFT LCD Non Light Emitting Component COLOR FILTER GLASS Glass Panel TT Polarizer Polarizer Floure amp cent HEATER Grid3 Liquid Crystal V b Luminous Source Light White Grid 2 V C Nt Electronic Gun Deflection Section Vacuum TFT Electrode Electrode Structure of LCD Module LCM Case top LCD panel B L Assy Plate CaseTop LCD Panel 2 E J Diffusers amp Prisms s Back light Light Guide Assy E Reflector Housing Lamp s la D IC on TCP PCB Support Main Bottom Plate Bottom Cover Structure of LCD Module Driving Circuit Data Driver IC E Printed PCB Board ectrode _ Gate Driver IC Power Supply Polarizer for Video Signal CF Panel LC Pixel Electrode TFT Panel Polarizer Lamp Prism Diffuser LC Panel Light Guide Reflector B L Unit St
17. ructure of Back Light Unit Pad Diffuser Protector Top Prism Bottom Prism Diffuser Light Guide Reflector Supporter main Lamp Ass y Lamp Housing 10 Function of Back Light Structure of Back Light Function on each part W W LCD PANEL Display the light controlled by data signal Diffuser Same structure as bellow diffuser Protect the Protector top prism Top Prism Same function as bottom prism Increase the luminance up to 1 33 times of bottom prism Bottom Prism Concentrate the light and increase the luminance up to 1 55 times of the light guide Diffuser Uniform and concentrate the light received from light guide Light guide Guide the light from lamp and uniform the light Flat Wedge Reflect the leakage light from light guide to reduce Reflector the loss of the light injected to the light guide 11 Key Parts Color Filter To realize color of the Display array Red Green amp Blue color paint beneath Upper Glass Panel regularly in accord with Pixel electrode of lower Glass Panel Kinds of Pixel Array 1 Delta Array 2 Stripe Array 3 Mosaic Array The Function of Color Filter Divide the white light from luminous source into Red Green amp Blue White Light Common Electrode Glass 12 Key Parts Polarizer A kind of filter which polarize light one direction Light m lt Blocking gt lt Passing gt Key Parts
18. tal B AAL Control the amount of light by the Applying Voltage Pixel Applying Voltage to the Liquid Crystal Gate the TD a A 2 E lt lt lt lt lt lt White Black TFT On 5 TFT LCD Operating mechanism The structure of TFT LCD is that Liquid Crystal is being filled between C F Glass amp TFT Glass One Pixel consists of 3 sub Pixels R G B and according to the number of the pixels Display Resolution SVGA XGA etc is determined The TFT Matrix consists of Data Line Carrying display data signal Gate Line Carrying signal for turn On Off the TFT Each TFT on each sub pixel controls the amount of Applying Voltage between C F glass electrode amp TFT glass electrode for the Liquid Crystal The Applying Voltage changes the Direction of Liquid Crystal which changes direction of the Light Transmittance rate of the Polarized Light polarized by Polarizer is controlled by Applying Voltage As a conclusion Displayed Light is now under control of Display Data Signal Light CCFL lam
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