Related Manuals for LG LE-15A10
Summary of Contents for LG LE-15A10
- Page 1 Welcome to LG LCD TV Canada LE-15A10 Europe LL-15A10 America China Middle-East Taiwan Philippines Asia Africa LT-15A10 Austria...
- Page 2 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.
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Page 3: Lcd Technology
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... -
Page 4: Glass Panel
What is TFT(Thin Film Transistor)? TRANSISTOR (MOS-FET) DRAIN DRAIN GATE GATE SOURCE SOURCE When supply over certain voltage(Vth) to Compound Transistor with thin film in every Pixel the GATE, it delivers information from on ITO. Drain to Source Independent on neighboring Pixel SWITCHING Characteristics TFT Panel TFT Cross section... - Page 5 Structure of TFT- LCD ㎛ ㎛ ㎛ ㎛ (Approx..) TFT LCD Panel C/F Glass One Pixel Common Electrode TFT Glass Pixel Electrode Data Line Gate Line ④ ④ ④ ④ Liquid Crystal Control the amount of light by the Applying Voltage Glass ③...
- Page 6 TFT- LCD Operating mechanism The structure of TFT-LCD is that Liquid Crystal is being filled between C/F Glass & Glass. One Pixel consists of sub-Pixels(R,G,B) and according to the number of the pixels, Display Resolution (SVGA,XGA,etc) is determined. TFT Matrix consists of Data Line(Carrying display data...
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Page 7: Operating Theory
Operating Theory (Braun Tube : Light Emitting Component) (TFT-LCD : Non-Light Emitting Component) COLOR FILTER GLASS Glass Panel Anode Polarizer Polarizer Grid 1 Grid 4 Flourescent Grid 3 HEATER Liquid Crystal Green Beam Luminous Light(White) Source Grid 2 Deflection Electronic Gun Vacuum Section TFT+Electrode... - Page 8 Structure of LCD Module LCM = Case top + LCD panel B/L Assy + Plate ① Case Top ② LCD Panel ③ Diffusers & Prisms Back light Light Guide Assy Reflector Lamp Housing Lamp D-IC(on TCP) ④ Support Main Bottom Plate Bottom Cover...
- Page 9 Structure of LCD Module Driving Circuit Bright Dark Gray Common Data Driver IC Electrode Printed PCB Board Gate Driver IC Inverter Dn-1 Pixel Array & Wiring Dn+1 Pixel Electrode Power Supply Polarizer for Video Signal CF Panel LC Panel TFT Panel Polarizer Lamp Lamp...
- Page 10 Structure of Back Light Unit Diffuser(Protector) Top Prism Bottom Prism Diffuser Light Guide Reflector...
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Page 11: Lcd Panel
Function of Back Light Function on each part Structure of Back Light LCD PANEL Display the light controlled by data signal Same structure as bellow diffuser, Protect the Diffuser (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... - Page 12 Key Parts : Color Filter To realize color of the Display, array Red,Green & Blue color paint beneath Upper Glass Panel regularly in accord with Pixel electrode of lower Glass Panel. ! Kinds of Pixel Array ③ Mosaic Array ② Stripe Array ①...
- Page 13 Key Parts : Polarizer A kind of filter, which polarize light one direction. Light Polarizer <Blocking> <Passing>...
- Page 14 Key Parts : Back Light Back Light Unit,located behind TFT-Panel lower Glass, and supplies light to the PANEL. CCFL LAMP (Cold Cathode Fluorescence Lamp) Can realize White Light LAMP Long life time(Appr. 25,000HRS) Simple Brightness control Small Size Easy to Adhere AC 1000V Inverter Direct Type...
- Page 15 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. DRIVER IC SOURCE DRIVER IC(5EA) : Vertical Supplies the Pixel Data from SOURCE to each...
- Page 16 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...
- Page 17 Comparison with other Display devices Large Screen Basic Functions Full Response Over 40” Contrast Brightness Resolution View Angle Color Time Normal Flat PDP* VFD** *PDP : Plasma Display Panel **VFD : Vacuum Flourescent Display : Very Good(Possible to realize) : Good(Hard to realize) : Bad(Impossible to realize)
- Page 18 World Display Market Trend 60” Projector 50” 40” 30” Market 1 20” Market 3 10” Market 2 Small AV System NTPC*** Monitor Large AV System NTPC : NoteBook PC...
- Page 19 World Market LG LCD TV Market Trend World Market LCD TV 7000 7000 6000 4000 5000 4000 Volume 2000 3000 1000 2000 1000 2000 2001 2002 2003 2004 2005 Years Source : IDC JAPAN...
- Page 20 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. Be careful not to make scratch High temperature &...
- Page 21 Abbreviations Abbreviations on LCD Module and TV Terms Full Description Anisotropic Conductive Film Back Light CCFL Cold Cathode Fluorescent Lamp Color Filter Contrast Ratio ( White / Black ) Flat Panel Display Liquid Crystal Liquid Crystal Display Liquid Crystal Module Line Defect Monitor Polarizer...
- Page 22 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 - IIC Adjustment - MICOM Pinning & Descriptions...
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Page 23: General Specifications
General Specifications Key Value LE/LL/LT-15A10 KEY VALUE -. Great Design . Modern Style . Slim . Free space -. Dual Functionality . Computer Monitor Up to XGA 1024X768 85Hz . Independent TV Receiver -. High-Tech . LCD . HD Compatible . -
Page 24: Monitor Features
Note : 565 X 496 565 X 496 37.9kHz 37.9kHz 72Hz 72Hz 1. Check the PC Mode before exchanging the new monitor(LG), 640 X 480 640 X 480 37.5kHz 37.5kHz 75Hz 75Hz the PC Mode should be within a mode in the table listed . - Page 25 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 & luxurious looking. Conductive Rubber Conductive Rubber Cabinet Conductive Film...
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Page 26: Specifications
Presentation for SVC Engineer Specifications PAL/SECAM-B/G, SECAM-L/L’ LL-15A10 TELETEXT FLOF/LIST/TOP* - Optional SYSTEM PAL/SECAM-B/G,D/K, PAL-I LE-15A10 PAL/SECAM-B,D,I, NTSC,4.43AV LT-15A10 Soft Touch control Auto A/V USER 100-240V , 50/60Hz Child Lock CONVENIENT AC/DC Adapter 12V Easy picture control(PSM) POWER FEATURES Power consumption : 30 W... - Page 27 MAIN PCB INVERTER Connector between Main PCB and LCM CONTROL PCB SPEAKER (R)
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Page 28: Lcd Module
Interconnection Guide Presentation for SVC Engineer LCD Module P502 P801 P601 Main PCB To SPK P401 P602 P001B Control PCB... - Page 29 Adjustment in SVC mode Presentation for SVC Engineer “SVC” key, or SVC mode ADJUSTMENT mode “YELLOW” key “OK” +”OK” ◈ OPTION Part 200PR OPTION-1 ☞ TEXT PR MEMORY 200PR I II SA TEXT TEXT Option SCART I II SA DUAL Mode Save Average ADJ.
- Page 30 OPTION - 1 OPTION - 2 OPTION CODE FUCTION REMARK REMARK OPTION CODE FUCTION 100 PROGRAM 200PR No Channel Name Memory Only AUSTRALIA 200 PROGRAM Only China without TXT ACMS Channel Name Memory Except AUSTRALIA Without TEXT TEXT Slow VOLUME Change Normal Curve TEXT Steep VOLUME Change...
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Page 31: Block Diagram
Presentation for SVC Engineer BLOCK DIAGRAM EPROM for OSD DC/DC 3.3V SC786102A SCL1 Power SDA1 Addr.(16bits) Data(8bits) Video Decoder SI786 Y/U/V = 8:4:4 VPC3230D R/G/B Trans (8bits) Hs/Vs/Hsc/Avo/Intlc Y/Pb/Pr Video Scaler Y/U/V MX88L284 (8bits) R/G/B Vout R,G,B,Ys Converter (Tuner) (Tuner) for TXT AD9884 SCL1... - Page 32 MICOM Pinning & Descriptions Presentation for SVC Engineer SCL0 MX-CS SDA0 MX-DA MX IC control IIC Control SCL1 A-MUTE SDA1 MX-CK KIN4 RGB SW To Tuner S-DET AV-ID INV_BRT VDD2.5 VDD3.3 VDD3.3 VDD2.5 SDA555X CVBS VDDA2.5 KIN1 Soft Touch Key Input KIN2 VDDA2.5 KIN3...
- Page 33 Function Symbol SCL0 .IIC Control with EEPROM SDA0 SCL1 .IIC control with other Devices(TUNER,VPC3230,MSP3410,etc) SDA1 .Factory Service mode(Data control during production) .TUNER System control signal BG/I/DK NTSC-M SECAM-L SECAM-L’ AV-ID .AV identification signal input from pin8 of SCART VDD2.5 .Voltage Supply(2.5V) .Ground VDD3.3 .Voltage Supply(3.3V)
- Page 34 Function Symbol .AFT signal input Hsync_TV .H-Sync & V-Sync for TXT position from VPC3230 Vsync_TV 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 .Main Power Control INV-PWR...
- Page 35 Function Symbol XOUT .Main crystal(6MHz) connection for MICOM operation .Ground VDDA2.5 .Voltage Supply(2.5V) .Teletext R,G,B signal output .Fast Blanking signal for Teletext VDD2.5 .Voltage Supply(2.5V) .Ground VDD3.3 .Voltage Supply(3.3V) INV_BRT .Brightness control to Inverter(PWN control) S-DET .SCART FB signal input from 16 pin for Auto AV function RGB SW .Control RGB switching IC KIN4...
- Page 36 Function Symbol A-MUTE .Sound Mute control when Channel up/down, Mode change & Power on/off. MX-DA .Data communication terminal with MX IC(Data & CS) MX-CS...
- Page 37 Presentation for SVC Engineer Video Processing - VPC3230D 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 I2CSEL ISGND VSUPF VSUPY VOUT GNDY VIN1 VPC3230D VIN2 VIN3...
- Page 38 Presentation for SVC Engineer Video Processing - VPC3230D 1. Features Video Decoding RGB Processing - 4 Composite inputs, 1 S-VHS input - Programmable RGB matrix - Composite video & sync output - Digital color bus interface - integrated high-quality A/D converters - Additional analog RGB/Fast blank input - Adaptive 2H comb filter Y/C separator - Half contrast switch...
- Page 39 Block Diagram CIN1 Y OUT Adaptive MIXER 2D Scaler Output Analog Color Comb Formatter Front End Decoder VIN1 Filter CrCb OUT VIN2 Panorama NTSC, ITU-R 656 Mode YCOE PAL, ITU-R 601 VIN3 SECAL AGC, Contrast FIFO Memory NTSC 2*ADC VIN4 Brightness CNTL Saturation...
- Page 40 Presentation for SVC Engineer Video Processing - VPC3230D Connection Connection Pin Name Type Short Description Pin Name Type Short Description (if not used) (if not used) B1/CB1IN VREF Blue1/Cb1 Analog Component Input GND PA SUPPLYD Ground, Pad Decoupling Circuitry G1/Y1IN VREF Green1/Y1 Analog Component Input V SUPPA SUPPLYD...
- Page 41 Presentation for SVC Engineer Video Processing - VPC3230D Connection Connection Pin Name Type Short Description Pin Name Type Short Description (if not used) (if not used) Picture Bus Chroma Chroma / Analog Video 5 Input Picture Bus Chroma(LSB) VIN1 VRT* Video 1 Analog Input GND SY SUPPLYD Ground, Sync Pad Circuitry...
- Page 42 Audio Processing - MSP3440G Presentation for SVC Engineer 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 AVSUP CAPL_M AVSUP AHVSUP ANA_IN1+ CAPL_A SC1_OUT_L ANA_IN- SC1_OUT_R ANA_IN2+ VREF1...
- Page 43 Audio Processing - MSP3410D Presentation for SVC Engineer Connection Connection Short Description Short Description Pin Name Type Pin Name Type (if not used) (if not used) Not connected V SUPPA SUPPLYD Supply Voltage I2C_CL IN/OUT I2Cclock LLC2 Double Clock Output I2C_DA IN/OUT I2C data...
- Page 44 Audio Processing - MSP3440G Presentation for SVC Engineer Connection Connection Pin Name Type Short Description Pin Name Type Short Description (if not used) (if not used) GND SY SUPPLYD Ground, Sync Pad Circuitry XTAL_OUT OUT Crystal oscillator V SUPSY SUPPLYD Supply Voltage, Sync Pad Circuitry Test pin INTLC...
- Page 45 LCD Monitor Controller - MX88L284 Presentation for SVC Engineer Features Input • PC video up to 1024X768@85Hz, and 1280X1024 • Converts NTSC/PAL and PC video signal into flat @60Hz operation mode panel display device timing and resolution • Support YCrCb422,RGB888 mode •...