Instruction/ maintenance manual of the product LL-15A10 LG Electronics
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1 Welcome to LG LCD TV Ame ri c a Canada Philip pin es Europe Midd le-Eas t Af r i c a China As i a CIS Taiwan Au s t r i a LT-15A10 LE-15A 10 LL-15A10.
2 3. LCD TV Structure (1) Genera l Specif ica tions (2) Presentat ion for SVC Engineer 1. LCD Techno logy 1) What is TFT LCD ? 2) Struc ture of T FT LCD 3) TFT -LCD Opera ting Mechanism 4) Opera tin g Theor y 5) Str uctu re LC D Mod ule 6) Struc ture of Back lig ht 7) Func tion of Back l ight 8) Ke y Parts ; Col or Filter, Polarizer 2.
3 1) What is TFT LCD ? 2) Struc ture of T FT LCD 3) TFT -LCD Opera ting Mechanism 4) Opera tin g Theor y 5) Str uctu re LC D Mod ule 6) Struc ture of Back lig ht 7) Func tion of Back l ight 8) Ke y Parts ; Col or Filter, Polarizer 1.
4 TFT TRANSISTOR (MOS-FET) GATE V th DRAIN SOURCE GATE DRAIN SOURCE V th TPE When supply over cer tain voltage (Vth) to the GATE, it deliver s informa tion fr om Drai n to So urce SWITCHI NG Charact eristics Compound Transi stor with thin film in ev ery Pixel on IT O.
5 Glass Glass - - - - ! ! ! ! Liquid Crys tal Control the amount of light by the A p plying V oltage Back Li ght + " " " " Gate On/Off the TFT - - - - - - White (TFT Off) Black (TFT O n) # # # # Source Transp ort the Data Signal Polarizer $ $ $ $ Pixel A p plying Voltage to the Liquid Crys tal + + + + - - 300 % % % % (Approx.
6 The structure of TFT-LCD is that Li quid Cr y stal is being f ille d between C/F Glass & TFT Gl ass . One Pixel consist s of 3 sub-Pixels(R,G,B) and ac cording to the number of the pixels, Di splay Resolution (SVGA,XGA,etc) is deter mined.
7 HEAT ER Grid 1 Grid 2 Grid 3 Anode Grid 4 GLASS Beam Vacuum Flourescent Deflection Section Electronic Gun ( Braun Tube : Light Emitt ing Compone nt) (TFT-LCD : Non-Ligh t Emi tting Compo nent) Polar.
8 Case Top LCD Panel Diffuser s & Pris ms Light G uide Lamp Support Main Reflector PCB D-IC(on TCP) Housing Lamp Bottom Cover Back li ght As s y Structure of LCD Module # Bottom Plate " $ ! L.
9 Driving Circuit Data Driver IC Printed PCB Boar d Gate Driver IC Invert er Power Sup ply for Vi deo Signal Common Electrode Bright Dark Gray Pixel Array & Wiri ng Lamp Lamp Invert er Pixel Elect.
10 Reflector Light G uide Diffuser Bottom Prism Top Prism Diffuser(P rotector) Lamp Housing Plate Supporter main Screw Lamp A ss ’ y Pad Structure of Back Light Un it.
11 LCD PANEL Top Prism Bottom Prism Diffuser Light guide (Flat/W edge) Pattern(Dot/Shibo/V-cut) Reflector Lamp Housing(Lamp Reflector) Lamp Diffuser (Protector) St r uct ure of Bac k Light Function on.
12 B RG Key Parts : Col or Filter To realize color o f the Display , array Red,Green & Blue co lor paint ben eath U pper Gla ss Panel r egularly i n accord with Pixe l electrode of lower Glass Pan el.
13 A kind of filter, which polarize light one direction. <Passing> <Block ing> Key Parts : Polarizer Light Polariz er.
14 Key Parts : Bac k Light CCFL L A MP (Cold Cathode Fluorescence Lamp ) Inv erter A C 1000V LA MP Can realiz e W hi t e Light Long life time(Appr. 25,000HRS) Simple Brightne ss contro l Small Size Easy to Adhere Back Light Unit,located behind TFT-P anel lower Gla ss, and supplies li ght to the PANEL .
15 Key Parts : Dr ive IC TCP TYPE DRIVER IC (Tape Carrier Package) Supplies the signal from PCB to TFT-PANEL GAT E DRIVER IC(8EA ) : Horizontal Supplies signals f rom Data line to the Ga te of TF T-PA NEL sequentially . Each I C controls 128 l ines in hor izont al.
16 (1) Compar ison w ith o ther Displa y devices (2) Wor ld Displa y Market Trend (3) LCD TV M arket Trend (4) Guidance of handlin g LCD products (5) Abbrevia tions 2.
17 Comparison with o ther Displa y devices C P T Normal Flat LCD PDP* VFD** Large Scre en Over 40 ” Full Color Contrast Brightness Resolution View Angle Resp onse Time Basic F unction s : Very Good .
18 World Displa y Market Trend 60” 50” 40” 30” 20” 10” Market 1 Market 2 CRT Projector Market 3 Small AV Sy stem NTPC*** Monitor Large AV Sy stem P D P LCD LCD LCD NTPC : NoteBook PC.
19 250 500 1000 2000 4000 7000 0 1000 2000 3000 4000 5000 6000 7000 Volume 2000 2001 2002 2003 2004 2005 Years World M arket LCD TV Source : IDC JAPAN K LG LCD TV Mar ket Trend Worl d Market.
20 Color TFT LCD Module is very sensitive both el ectrically a nd physically.Users , therefor e, are re queste d to foll o w the “Gu idance of ha ndli ng col or TFT LCD Mo du le” on th e foll owings . Guidance o f ha ndli ng Color TFT LCD Modu le 1 Be careful no t to make scratch on the polariz er .
21 Ab br e vi a t io n s Abbreviatio ns on LCD Module a nd TV No Terms Full Description 1 ACF Ani s otro p ic Co nd ucti ve F i lm 2 B/L Back Light 3 CCFL Cold Cathod e Fluoresce nt Lamp 4 CF Color Fi.
22 1) General Specification - Key Value - Specifica tions - Monitor Features - Unique Features 2) Presentatio n for SVC Engine er - Specif ications - Exploded View - Interconnectio n Guide - B lock Di.
23 Without St and St and t yp e Wall mo unting -. Great Desi gn . Modern St y le . S lim . Free space -. D ual F unc tiona lity . Compu ter M onito r Up to XGA 1024X 768 8 5Hz . Independ ent TV Receiver -. High-Tech . LCD . HD Compatible . Component Input(Optional)-ME .
24 PC Input Mode Resol ution Horizont al Freq.(KHz) Vertical Freq .)Hz) VGA 640 X 4 80 640 X 4 80 565 X 4 96 640 X 4 80 640 X 4 80 720 X 4 00 31.5kHz 35kHz 37.9kHz 37.5kHz 43.3kHz 31.5kHz 60Hz 67Hz 72Hz 75Hz 85Hz 70Hz SVGA 800 X 6 00 800 X 6 00 800 X 6 00 800 X 6 00 800 X 6 00 832 X 6 24 35.
25 Soft Touch Co ntrol Conducti ve Rubber Conducti ve Rubber Conducti ve plate Conducti ve plate Soft Tou ch contro l sy stem, LG’s advanced technology , leads cu stomers t o the emo tional satisfact ion. Its main characteris tics are A nti-stat ic functio n w hen touch ing besides softnes s & lu xurious loo king.
26 Specifications *The Li fe Time i s defined as the time a t which brig htness of lam p is 5 0% compar e to th at of initial v alue at the typic al la mp current on condi t ion of cont inuos operatin g at 25+/- 2 C. Presentation for SVC Engineer SYST EM PAL/SECAM-B/G, SECAM -L/L’ PAL/SECAM-B/G,D/K, PAL-I PAL/SECAM-B,D,I, NT SC,4.
27 CONTROL PCB MAIN PCB INVERTER Connector b etween Main P CB and LCM SPEAK ER (R).
28 Interconnection Guide LCD Module Main PCB Control PCB I n v e r t e r P001B P401 P502 CN1 P801 CN2 CN3 P601 P602 To SPK Presentation for SVC Engineer.
29 Adjustment in SVC mode FP 21 NP 89 SP 38 S1VOL 105 S2VOL 105 50 N AV1 RD 80 GD 80 BD 80 RO 32 GO 32 BO 32 S-B 23 PC CP 3 50 N AV1 “SVC” k ey , or “OK” +”OK ” “YELLOW ” ke y SVC mod .
30 1 INVERTER 7 RESERVED Optio n ON Fo rcible MONO Mo de On l y TUN ISIA 1 0 INVERTER 1 3 RESERVED 4 ARAB URDU 5 E+CHINA OPTION CODE FUCTION REMARK VOL 0 Slow VOLUME Chan ge Normal Curv e 1 Ste ep V O.
31 Video I nput E/P Audi o Processor MSP34 10D Video Decoder VPC32 30D Vide o Scaler MX88L 284 EPROM for OSD SC7861 02A Audi o AMP LA4282 Y/C R L V Pb Pr Y Tune r & IF TAUC-S120D TAFC- M130D TAF C- Z140D MIC O M+T X T SDA 555 EPROM 24C16 A/D Conv erter AD9884 DC/DC Power IC SI786 Power 12V/3 A ANT.
32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 MX-CS MX-DA A-MU TE MX-CK KIN4 RGB S W S-DET INV_BRT VDD3.3 VSS VDD2.5 FB B G R VDDA2.5 VSS XIN XOUT RESET 3230RESET AD-PD VDD3.
33 1 SCL0 2 SDA0 .IIC Control w ith EEPROM 3 SCL1 4 SDA1 .IIC control w ith other Dev ices(TUNER,VPC 3230,MS P3410,etc) 5 FS .Fact ory Se rvic e mode(Da ta con t rol during prod u ction) 8 AV-ID 13 VDDA2.5 .AV identi fication sig nal in put from pi n8 of SC ART 14 VSS .
34 18 AF T .AFT signal inp ut 19 Hs ync_T V 20 Vsync_TV .H-Sy nc & V-Sync for TXT positi on from VPC 3230 21 22 KOUT1 KOUT2 .Sign al Output to So ft Touch pa nel 24 IR 30 VDD3.3 .Rem o con signa l inpu t 31 AD-PD .Power contro l for AD9 884(IC2 01).
35 34 XOUT 35 XIN .Main crystal( 6MHz) con nection for MICOM op eratio n 36 VS S .Gro und 37 VDDA2.5 .Volta ge Supply(2.5V) 41 FB 46 S-DET .Fast Blanking signal for Tel etext 47 RGB S W .Control RGB switchi ng IC 38 R 39 G 40 B .Teletex t R,G,B signal output No Symbol Function 44 VDD3.
36 50 A-MUT E .Sound M ute co ntrol wh en Cha nnel u p/down, Mode c hange & P ower on/off. 51 MX- DA 52 MX- CS .Data commu nicati on termin al with M X IC(Data & C S) No Symbol Function.
37 VPC3230D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 40 39.
38 Video Processing - VPC3230D Presentation for SVC Engineer 1. Featu res Video Decodi ng - 4 Co mp os ite i nputs, 1 S- VHS i nput - Compo site v ideo & sy nc output - integra ted high-q u ality .
39 I2C BUS Process ing Matrix Contrast Saturation Brightness Tin t SYNC + Clock Generation An a lo g Front End AN ALO G Component Front-End 4 x ADC Ad a pt i v e Comb Filter Color Decoder NTSC, PAL, S.
40 Video Processing - VPC3230D Presentation for SVC Engineer Pin No. Pin Nam e Ty pe Connection (if not used) Short Descr iption 1 B1/CB1IN IN VREF Blue1/Cb1 Analog Component Input 2 G1/Y 1IN IN VREF .
41 Video Processing - VPC3230D Presentation for SVC Engineer Pin No. Pin Nam e Ty pe Connection (if not used) Short Descr iption 51 GND SY SUPPLYD X Ground, Sync Pad Circuitr y 52 V SUPSY SUPPLYD X Su.
42 MSP3410D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 40 39.
43 Pin No. Pin Nam e Ty pe Connection (if not used) Shor t Description 1 NC LV Not connected 2 I2C_CL IN/OUT OBL I2Cclock 3 I2C_DA IN/OUT OBL I2C data 4 I2S_CL IN/OUT LV I2S clock 5 I2S_WS IN/O UT LV .
44 Pin No. Pin Nam e Ty pe Connection (if not used) Short Descr iption 51 GND SY SUPPLYD X Ground, Sync Pad Circuitr y 52 V SUPSY SUPPLYD X Supply Voltage, Sync Pad Circuitr y 53 INTLC OUT LV Interlac.
45 LCD Monitor Controller - MX88L284 Presentation for SVC Engineer Feat ures • Converts NTSC/P AL and PC v ideo signal into flat panel di spl ay device timing and resoluti on • Provide full fram e bu ffer, reduce fr ame bu ffer an d frame bu ffer less optional ar chi tectur e.
An important point after buying a device LG Electronics LL-15A10 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LG Electronics LL-15A10 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LG Electronics LL-15A10 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LG Electronics LL-15A10 you will learn all the available features of the product, as well as information on its operation. The information that you get LG Electronics LL-15A10 will certainly help you make a decision on the purchase.
If you already are a holder of LG Electronics LL-15A10, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics LL-15A10.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics LL-15A10. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics LL-15A10 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
