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LG Electronics 42LM340S Flat Panel Television User Manual

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Contents

1. 3 3V_Normal 2 5V_Normal 3 3V_Norma MODEL OPTION P PIN NAME PIN NO LOW HIGH e Seng ee Gum ep i e e M DEL OPT 0 AB3 FHD HD N ACT VDDC 1 D O 5 V yt 10V_VDDC S E A VDDC 2026mA A ODEL_OPT_1 H OS not use NonOS Non ErrorOut N n a m s E CS FA PHM OE E PHM O z dl E a a Se S e 3 E 7 E z 7 S AT
2. CI SLOT 5V CI ON A CI DATA 0 7 e 5V Normal B C1906 S 10uF Di 10V E vii R1903 EAG41860102 LOR P1901 S TAT eDIL e P1902 1 7972 LF c1903__ 00679 050 0 1 uF eo R1908 je 103 e 35 CI SLOT JACK e 36 2 CI DATA 3 AR1901 e e SE E bs n i CI DATA 5 Rives CI_TS_DATA 4 lt _ e i A gt 6 e CI DATA CI TS DARAIRI H e 39 5 e CI_DATA 7 CI_TS_DATA 6 lt __ e 40 6 e LU R1919 47 CI TS DATA 7 Q _ e au 7 e e PCM CE 42 8 CI ADDR 10 e e R190 10K AA e 43 9 e CI OE 44 0 CI ADDR 11 CI IORD e e 45 1 CI_ADDR 9 CI_TOWR e e e 46 2 e CI ADDR 8 CI ADDR 13 CI MDI O e 47 3 e TT CI ADDR CI MDI 1 e 48 4 e Bi CI_MDI 2 e e TET CI_WE R 100 CI MDI 3 e 50 6 e gt PCM IRQA 51 7 SE e 9 o Ll C1905 OPT e 52 8 e c1909 GND 0 1uF R1910 3 R1916 0 0 1uF CI MDI 4 e 5 e E 54 GND CI MDI 5 e e cr MBETA e 55 e CI ADDRI12 CI MDI 7 TEE Tk e 56 e CI ADDR 7 e 57 e CI ADDR 6 R190 47 PCM RST e 58 e CI ADDR S R190 47 PCM_WAIT lt AWN e 59 e CI ADDR 4 REG 1925 100 gt a ld SE R CI_TS_CLK lt TE E e 61 e CI
3. NIE Y Y EEN A AVDD_DDRO AVDD_DDRO AVDD_DDRO l A 4 1 5V_DDR AVDD_DDRO OO gt ow zh de ded N NAAA S o NN Ze 11202 A A d me x Jog xS E Sr CIC21J501NE d uml SES e L_ gt A MVREFDO 0 x A MVREFCA B MVREFCA lt __ S E e B MVREFDQ X Jl E Ta e T d S La oe 3 Ei Qu 3 de S Fil ca eom Z ola a o oje jlo J 2 Sl NEC ej ol ote Zil ol me S me oO N S e o e lt E ju T eO N O 5 0 3 wo 3 emm 5 ER e N o o N nd E N ao N o Omm age E 5 ras Mee N E 2 E a a ao a Oo e H Y 7 ME ROT Wi Wi Wi Wi nd 4 E e S A Mu 9 S a o 0 ox f nl Oo o e O e pes ore Ose i da D o o o o dee i L CLose to DDR3 L CLose to Saturn7M IC Adds to Saturn7M IC Le CLose to DDR3 e ee A s o qn Ri ee Det a uy a maid aum O mmn eg Rd Rm deeg EAN61828901 EAN61828901 ICT202 TE 2 01 PNE H5TOl1G63DFR H9C H5TOl1G63DFR H9C x a T LGE 2 A T8 DDR_1333_HYNIX DDR_1333_HYNIX 3 8 B MAO C VREFCA B MVREFCA M D A MVREFCA VREFCA AO CD A MAO S 2 TRA D I V X MS 1 O B MA1 C A1 A11 B23 P3 Al CD A MA1 A MAO c14 2 DDR3_Aro B_DDR3_A 0 DOE B MAO B MA2 51 Se A2 CD A MA2 A MA1 um A DDR3 All B DDR3 A 1 WS B MA1 B MA3 X c A3 VREFDQ B MVREFDQ A MVREFDQ VREFDQ A3 CD A MA3 A MA2 A DDR3
4. emm dam am N RF SWITCH CTL RE_SW_OPT 3 3V_TU FE_TS_ERR 0 1uF C2603 is 16v i au Close to TUNER ros 16V 0 v J e EE TS VAL ERR Tuce DUCTOJG TU CASO be l R2611 100K 100 TIJA 602 LUZ 603 T LT 601 e TUNER RESET I TDSS G101D TDSN G301D TDSQ GO0O01D E orem TU I2C FILTER i GPIO must be added R2628 MLG1005SR27JT 3 3V TU RS TIN E NC NC_1 NC_1 TU_I2C_FILTER R2615 A A det eet eg Diet L t degt eent eng A e e R2610 1 0 MLG1005SR27JT RESET pere EE MED R2870 R2871 N a SV TU SCL SCL SCL S OA 30 3V_TU e e e e TU SCL 43 3V TU A SDA SDA SDA TU I2C NON FILTER m R261Q 33 A R2618 ka e C2607 9 C2612 c2651 Pezes TU_SDA SEAN 6 3 3V B1 3 3V 3 3V 20pF 20pF 2 DET 20pF 82 50V 50V 50V 50V A e e cu SIF vi e zr aL C2621 C2623 emm q E R2624 R2625 SIF SIF SIF 100pF S 0 1uF l 220 220 e e 50V 16 e i 02600 E At1 8V_TU a i TH B MMBT 3906 NXP e 1 8V B2 1 8V 1 8V E 0 1uF R2616 T2 5V TU RI 4 7K e e OPT Zi d e e gt TU CVBS C2602 Ten C2606 OPT A R2621 E CVBS CVBS CVBS 100pF 0 1uF 100uF R2607 close to TUNER E 0 e e 50V T 1ev 16v 0 z 02601 a E se re CTUM Rem KL Jegen IF_AGC NC_2 T C_IF_AGC i d OPT R2622 e e ad F_AGC_MAIN ES e cede di ut HALF NIM EU NON T2 MEME DAUERN USA DIE P NE 3 T C_DIF P C2600 R2608 should be guarded b round T 8 lt
5. NANDO1GW3B2CN6E NAND FLASH MEMORY E E deiode neh CHIP Config LED_R BUZZ gt E Norma Se E S 2 A A Boot from SP CSIN EXT FLASH 1 boO esi ag 3629 Boot from SPI CSON INT FLASH d T NAND_FLASH_1G_NUMONYX C_2 EAN60762401 a7 58 28 3 ae 58 27 OS PCM A O lt CHIP Config gt ud NE oe I2S OUT BCK I2S OUT MCK PAD PNMIPAD PWMO PEMAD 10771 45 B51 no EJ 4 b0000 Boot from 8051 with SPI flash PCM D O W21 OS oS CS 1707 SB51 WOS 4 50001 Secure B51 without scramble PCM D 1 AA18 BID RIO 44 SB51 WS 4 b0010 Secure B51 with scramble BCH DTZ i Ce 1706 MIPS SPE NO EJ 4 b0100 Boot from MIPS with
6. Set Stand Stand Base Body Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 20 LGE Internal Use Only S C Ne C 412V 415V N 43 5v_st gt 3 375V gt 3 46V A 20V gt 3 51V 3 76V 3 59V 12V 15V 3 5V_ST 3 5V_ST FROTI d T L P S S P OW El R B D PANEL POWER 24V 3 78V 3 92V 3 79V a A AT L412 3 12V 3 58V 3 82V 3 68V T S OE 120 A e 18 5V 3 5V 3 75V 3 59V N OPT CIS21J12 PD 12V PD_ 3 5V R463 bd e BAAS R450 10K Jee 2 7K 0 0 015uF C442 1 5 C409 UE C438 10uF C436 0 1uF New item a R402 0 015urF T 0 01uF u 25V ap e am 4 1 00 POWER DET 3 5V ST 50V 50V 25V Q409 e e e gt A MMBT3906 NXP a EEN AO3407A R405 1 R407 1 PD_KR_42_LIPS 1C408 1 3 5V_ST s a 4
7. 5V HDMI 1 5V DET HDMI 1 HDMI 1 A A R806 10K e R896 KK C R830 NON CI CAP 0802 E 10K C802 29C3052 Kl HPD1 0 1uF 0 16V E R804 1 8K R802 3 IK OD DDC_SDA_1 DOG SELE1 k HDMI_CEC a m Ka H e py CK _HD N o o o z DO CK D H P E PERS eee ESA O P1 _HD O D2 HD py D2 _HD OPT T D802 JK802 HDMI 2 a A 5V_HDMI_2 A 5V_DET_HDMI_2 R807 n HDMI 2 R895 lk e C HDMI 2 NON CI CAP HDMI 2 HDMI 2 R828 C801 0801 B 10K 0 1uF 28C3052 lt HPD2 e e 16V HDMI 2 E R803 HDMI_2 1 8K R801 3 3K gt DDC SDA 2 DDC_SCL_2 R805 gt B HDMI_ARC HDMI_ARC HDMI_CEC N a CK _HDMI2 o H D gt N oO o o E CS CK HDMI2 E D D0 HDMI2 OO DO _HDMI2 Ko D1 _HDMI2 gt D1 _HDMI2 ED D2 HDMI2 OO D2 HDMI2 L OPT D801 HDMI_2 JK801 IHE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics 5V_HDMI_1 5V_Normal 5V_HDMI_2 5V_Norma
8. lt PCM_A 4 PCM D 0 7 CI DATA O PCM D O CI_DATA 1 PCM D i1 CN CI_ZDATAT2 PCM D 2 SN CI_DATAL3 PCM D 3 E H a E Jk ci DATA 4 ARTI 0S d PCM D 4 EN ON CI DATA S E PCM D 5 a CI DATA 6 PCM D 6 z CI_DATA 7 PCM D 7 A AR1912 33 CI ADDR 8 lt __ PCM A 8 CI ADDR 9 X 1 PCM A 9 CI ADDR 10 C KI PCM A 10 CI ADDR 11 PCM A 11 AR1913 33 CI_ADDR 12 lt lt PCM A 12 CI ADDR 13 amp 4 PCM A 13 CI ADDR 14 X4 PCM A 14 REG BEER AR1909 33 PCM REG CI OEXQ CI NE PCM OE lt 1 PCM_WE CI_IORD lt CI IOWRX PCM IORD PCM IOWR CL Sho Lf DATE BLOCK pemcr SHEET LGE Internal Use Only ELBHBEHRNELIL H W option ETHERNET JK2100 1 BS R430051 THE AN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes JK2100 XRIV 01V 0 D12 080 2 5V_Normal ETH ERN ET BLM18PG121SNI1D
9. emm a mg VOUT 300 A OPT m vd 550nv e BO 1 10K R473 i NON CI CAP um i GND 3 Ss i SS i 0 1UF oe S LOCAL DIMMING y FOR LPB MODEL L DIM 16V R612 33 A em GED GD eM 0203 C440 L DIM SCLK ea OUF 0 1uF 10V 16V i FOR LPB MODEL_L DIM i R613 33 L DIM_MOSI FOR LPB MODEL R183 33 i I2C SCL l I2C SDA FOR LPB MODEL L DIM FOR LPB MODEL 33 R184 Kl LIDIM VS 33 FOR LPB MODEL L DIM P R617 G i E 4 7K l LR core 1 2V volt O O l i 12V 15V 10K 16v A 5V USB P o 2 w leg L 2000 mA t3 5V ST C441 1 10V VDDC L401 A 0 1uF A R410 10K 16v e e ken s s i m a A am AO A AA AA AA AA A AA A AA AA AA AA AA A AA AA AA AA AA AA AA A A AA AA AA AA tp A O A 0405 1 04075 5V_USB 5V_Normal 3 L413 10UF 10uF A ob eo E ae L415 E ICAO 1 L406 L425 E Aa 3 6uH AOZ1051PI EP LX 3 6uH BLM18PG121SN1D e TTE m ae 12 ar e e gat deua RR e AY CI e v NR8040T3R6N OB C430 C431 17 Se sh C444 OPT Li0uF 0 1uF AU RE C420 c4074 OPT PGND NC c492 pe SE 1C403 10 22uF 22uF ees bin 1 8 22uF 0 1uF R180 Soa TPS54319TRE 10v 10v OE LO a 16v 16v SS TR 16v t i z OLP AK ae SET vf PM DE C488 C4073 T 330
10. R112 22 I2C SDA TACT_KEY 12 SUB E2 SCL A2 SCL o 5 ms emm mm om ms emm i e e am eios C106 O 8pF 8pF OPT OPT vss SDA vss SDA TH Copyright 2012 LG Electronics Inc All rights reserved n Ly u ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Only for training and service purposes WHEN SERVICING IF 15 IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics EAN61548301 EAN62389501 LG ELECTRONICS S7LR2_DIVX_MS10 IC101 LGE2111A T8 G G G G G G G G Qr EI Er Q Q9 EI Yn D FB WN FO GP GP GP GP GP GP GP GP GP GP GP GP 12 GP 13 GP 14 GP o LO OO OO 000000 o o w ON o Uc B WN o HH Ai Ai Ai A O A Ai Ai Ai A HH Ai REG N GPIO OE N GPIO WE N GPIO IORD N GP IOWR N GP CE N GPIO IRQA_N GP CD_N GPIO WAIT_N GP _RESET GP 2_CE_N GPIO 2 IRQA N GP 2 CD N GPIO 2 WAIT N GP 2 RESET GP 31 0132 35 0133 0134 UART1 TX GPIO43 UART1_RX GPI044 UART2_TX GPIO65 UART2 RX GPIO64 UART3 TX GPIO47 UART3 RX GPIO48 I2C SCKM2 DDCR CK GPIO72 I2C SDAM2 DDCR DA GPIO71 DDCA DA UARTO TX DDCA CK UARTO RX PWMO
11. Z olvivd SL 33 I olviva INOd vi glv Wod 2 p LOLOI NH 898 O yvexo Wwe Z olv Nod WLLLZO1 9 9 34 LOS NI SGAD LOS CE 0 L1NVOS 3 INOA 22 1AM9SZ POL E LJjuauodulo dLONINNH LOINYZIN E Sn d Qd A SAAD SAM IAQ Z HINGH gea AA eee ee wen PPV C 200 A29H 1197 AIS SAAD NL akoo som ssal dl O ZHOS QH4 WEZ d15 9d3 E m LGE Internal Use Only mr Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Applied Model LM580T 560T LS350T CS460T LM340T CI Slot diS od3 3M808 V S Y 1MdS Oj div olpny CATA LATA Vas 1os YOSN3S Z olvivd SL Z olvivd SL 33 Z olvLVG INOd vi glv Wod VVoXO 112 0 v Nod 31d49Sc VOLII d L9NINHH LOIWTCIN dcl eyed udd Mm PPV dad ZHOS GH4 SOA b i A E RA EE EN i 9DIS 109vso 10s s31 LOLOI VILLLCO1 I INOA 24 AHd3 NHIGOH 9 9 34 198 NI SGAD LOS 4 Jd dd A SAAD SAINL JYVIS 3 juauodulo gt IAQ Z LIINGH Je8M g Als SAAD NL Z olvivd SL 33 Nve ex 1197 aloes NSQL 9 Jo 3de5x3 LGE Internal Use Only 18 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Applied Model LM580S 560S LS350S CS460S LM340S CI Slot diG od3 ST d
12. FHD 2 L702 70 ohm FILRE AND ELECTRICAL SHOCK HAZARDS OPT C700 10uF 16V dom FHD C709 c710 1000p 0 luF 50V 16V e e se e IHE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGElectronics SECRET OPT R704 10K KI OPC amp SCANNING CTRL RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXA4 RXA4 RXBO RXBO RXB1 RXB1 RXB2 RXB2 RXBCK RXBCK RXB3 RXB3 RXB4 RXB4 RXA4 RXA4 RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXB4 RXB4 RXBO RXBO RXB1 RXB1 RXB2 RXB2 RXBCK RXBCK RXB3 RXB3 LG ELECTRONICS Change in S7LR Change in S7LR ES FOR FHD REVERSE 10bit Pol change RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXA4 RXA4 RXBO RXBO RXB1 RXB1 RXB2 RXB2 RXBCK R
13. 53 10 00 0A 20 20 20 20 20 20 d 0 e EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group ADC Calibration ADC Comp 480i NG ADC Comp 1080p ADC RGB NG 6 Area Option 8 White Balance 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting E 00 00 00 BO 51 00 1B 30 6 00 AO 5A foo 00 00 15 00 Oo 00 FD 00 SA 53 10 00 0A 20 20 20 20 20 20 ad 01 e 0126 15 07 50 09 TRT O7 f I 20 CO OE 01 40 OA OF 08 10 18 10 98 10 58 10 01 1D 80 18 71 1C 16 20 58 2C 25 00 20 00 joo 9E 01 1D 00 72 51 DO 1E 20 GE 28 55 lt Caution gt Using power on key of the Adjustment remote control power on TV li m Calibration Protocol RS232 ue Adjust When re Wu Mode In Adjust MODE Mode In Carry the command TM ojpiojvij O NIO O BA B O O NIO NIN m ojo j O O0O 0O0 oja o m mo O 20 C2 31 00 00 1E 02 3A 80 18 71 38 2D 40 58 ADC adiust ADC Adiust Automatically adjustment Eo 2c 45 00 ao 5A 00 00 00 1E 01 1D 00 BC 52 ER ni The use of a internal patem Fo 20 B8 28 55 40 ca ae 21 00 00 t 00 00 00 Adjust Sequence 3 Detail EDID Options are below aa 00 00 Enter Adjus
14. d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush LGE Internal Use Only IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the cir cuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shape the end of each of three leads remaining on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor leads to the corresponding l
15. 6 3 USB Input H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1920 1080 33 75 30 000 74 25 He oy cde TOP amp Bonom suppen MPO Photo 6 4 RGB PC Input H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1920 1080 66 587 59 93 148 50 HDTV 1080p Side by Side Top 8 Bottom 6 5 DLNA Input H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1920 1080 33 75 74 25 HDTV 1080p Side by Side Top 8 Bottom 6 6 3D Input mode Side by Side Top amp Bottom Single Frame Sequential Frame Packing Copyright 2012 LG Electronics Inc All rights reserved a mq LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 4 Click Connect tab If Can t is displayed check connection between computer jig and set 1 Application Range This specification sheet is applied to all of the LCD TV with LD21C chassis 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing Power adjustment Free Voltage Magnetic Field Condition Nil Input signal Unit Product Specification Standard Reserve after operation Above 5 Minutes Heat Run Temperature at 25 C 5 C Relative humidity 65 10 96 Input voltage 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig Service remote cont
16. C2819 R2857 R2868 N14 ANA EU OPT OPT Rf D 15K A 330pF 220K EU OPT EU OPT 10K SINC GND S D2802 D2809 Roz R R2862 C2823 20V T 180 5 6K 33pF SYNC_GND1 20 EU OPT Gain 1 R Rg SCART1_Lout e L R2815 VCC GND 22 S e RGB IO CI sci FB EU OPT EUSQET SEN EU OPT C2817 5 6K IN2 IN3 7 USD scl_R COMP1_Pr SS E SCART1_Rout C RGB_GND OPT EU_OPT 50V EU OPT T 22803 R2806 EE EU OPT EU OPT R2867 B l C2820 R2858 33K IN2 IN3 R_GND 20V B 220K 330pF EU OPT R2869 RERO M EU_OPT EU_OPT 10K ouT2 OUT3 R2860 C2824 G OUT e e gt sc1_G COMP1_Y 2 2K 33pF QRT e a E Moa aa D2B_IN Y 22504 EU OPT a a a a a a Se EU OPT T 20V R2802 C2822 SET G_GND 75 EU OPT 10uF R2864 e R2814 TEV 470K 15K ID e EI e ES sci ID B OUT EU OPT e e CD sc1_B COMP1_Pb DZS ii EU OPT e EE OPT S R2817 ER iue ROS 20V 3 9K B_GND GON 75 e AUDIO GND gt e PL EU OPT AUDIO L OUT L2803 R2812 120 ohm 10K AUDIO R IN e e A CD sc1 COMP1_L_IN EU_OPT AUDIO_R_OUT H OPT EU OPT C2805 EU_OPT R2804 R2818 D2806 330pF 470K 5 6V 50V 12K 7 EU OPT E T L2802 EU_OPT 120 ohm SCART AUDIO MUTE e UR SCc1 COMP1 R IN OPT EU OPT EU OPT EU OPT de D2808 R2805 C2806 R2819 m pano 470K 330pF 12K DTV MNT L OUT C EU OPT 29V R2839 EU OPT ER es E Ge Ce T R EU OPT MMBT3904 NXP EU OPT L2800 5290 4 10K BLM18PG121SN1D e 90 ou e AY T t DTV MNT_L_OUT SCART1_MUTE OPT EU OET EU_OPT DTV MNT_R_OUT lt
17. Y s S 0 1uF DIFINI NC 4 T C DIFINI 16V HALF NIM EU NON T2 e e 0 F P MSTAR B3 3 3V NC_2 43 3V 2 U e IF NM MSTAR D GE B4 1 23V NC 3 mr AUT NON T2 ET e amp a 0 0 NC_5 NA Lo RECTE E RE M 100pF Z2 0 1ur lio0ur 1 23v TU C N Ll DEMOD RESET L GND GND 1 16V T e 16V Tw T2 L260 e This vas being applied to the only china demod 18PG121SN1 ERROR ERROR C ae O S e t O TUNER E e EE PR T3 3V TU so this has to be deleted in both main and ISDB sheet N 26 de 62 Ji 1C2603 IF AGC SEL 2616 2620 er E AP1117E18G 13 1 8V TU LNA2 CTL SYNC SYNC n Pd e FULL_NIM_NON_S INADJ GND VALID VALID AR3701 47 e FE TS ERR MCLK MCLK DO FE TS SYNC e gt FE TS VAL T e DO DO FE TS CLK ax e OPT A R2632 R2876 1 D1 D1 0 gt T2 DMOD CAM e DVB S D2 D2 FULL NIM NON S gt FE TS DATA 0 7 C2641 C2642 AR3702 47 y Ge TR Vo VREF 1 R2 R1 0 1uF 10uF e FE TS DATA O AR3702 1 es 16V Jw FE TS DATA TT 33 VREF 1 V D3 D3 LL 1 16W e FE TS DATA 2 FE TS DATA 3 D4 D4 ALD B RE e FULL NIM NON S x AR3703 47 FULL NIM PS pe SE 5 rire e c dr TJ4220GDP ADJ EP GND TU CHINA y T 6 AROS UL i Vo 0 8 1 R2 R1 D6 D6 EE 33 Rl i 23v TU FE TS DATA 7 1 16W TU2603 1 sci len DSN C201D D7 D7 DVB_S uti SM e FULL HIN R R2629 2 R2633 m5 3 3K EN2 ADJ SENSE GND 2 e 2 E o 3 13 RF_S W_CTL m E RESET TIz23W EU C2635 ol VIN3 VOUT mc u toll E 12600 A
18. gt E MODEL OPT 2 AB2 NON DVB T2 DVB T2 E 5 5 7 3 3 3 3 3 5 5 a al E E glee Hal E feel a BA 21 e SUL see eee ce o o o Al N Q N T E N N N N MODEL OPT 3 T25 NON 3D 3D aez SE pa eri E M pa pa E E E E SS PT opto opts 19 opta OPTY ES o m N H ad N IF AGC SEIC 291 109 e MODEL OPT 0 MODEL OPT 4 23 NON OLED OLED e O O e o D D 2 e S a R202 BOOSTER OPT 00 SQ em U tas De e N N N N N x s x ki LNA2_CTIX nie iog e MODEL OPT 1 ST B 2 2 2 M e e D RF_SWITCH_CTI __ 8293 77 AAA e MODEL OPT 2 MODEL OPT 5 T24 NON DVB S3 DVB S Reba Nn 00 e MODEL OPT 3 R4031 RAN 100 e Oa cs mopEL_opt_ B8 NON 120HZ 120HZ R4032 PT ms ems ms ms em s m ems ms m em s em s m s em em e e em m m m em es em s e em s mm e m e m m W 100 e MODEL OPT 5 E 4 e OS use OS net use HALF_NIM ASIA HALF_NIM ASIA R4040 100 e MODEL OPT 6 MODEL OPT A NonOS ErrorOut NonOS Non ErrorOut le C40 68 1 le 40097 1 o Pm a a a a e e e ao a a a a a a a a q B ko R4039 QA 100 e MOBEL OPI J OSPF ep OSPF 1 10V_VDDC Close to MSTAR P HALF NIM EU_NON_T2 HALF NIM EU NON T2 A SPER N Ke m m i a x Es DIV_IF S m E pl A C R288 100 C257 0 1uF Normal Pover AA K12 G10 OS use NonOS ErrorOut N z o m 9 a Il e IF P MSTAR AVDDLV_USB G zi 3 q z t HALF_NIM EU_NON_T2 d G11 Z 218 sje S aZ 5 rd c4068 3 3V Normal PRESS G9 612 uc sje Sls 812 5 sje S x HALF NIM EU NON T2 HALF_NIM EU_NON_T2
19. oy gun 16v T VDDDIG SR gt sPK_L e e NDD 8 7 ge 6 t3 3V Normal 3 3V_AMP EAPD 5 e 13404 A a 10 0uH i338 C3404 la TWARNEXT 4 e 2 2uF A 3 SUT e SPK RL BLM18PG121SN1D 10V C3414 C3422 C3426 NDP 2 E3408 330pF 0 22uF 1000pF moras 1 iur qo C3419 50V 50V T 0 22uF E TeV R3409 R3410 50 SPEAKER_R 13405 C3423 C3427 TA 04H 0 22uF 1000pF g 50V oy d TP e T gt SPK_R AUD_MASTER_CLK 3 5V_ST E z 2 3 3V_AMP e AUD SCK SM a 24V_AMP NON_LIPS ge IREK x AUD_LRCH NON_LIPS 03407 lef 34 1 1 23412 QLC3415 6 eC 2417 R3401 0 1uFr 0 1uF lur Tur 0 1uF i DAE 10K NON LIPS 16V 50V 50V 50V 35V e e R3402 100 L AMP RESET gt ak e e NON LIPS e e e R3403 0 R3400 NON_LIPS 10K B 93400 c3401 AMP_SDA rada sd T AMP MUTE MMBT3904 NXP 1000pF 50v AMP_SCL e OPT OPT C3405 C3406 33pF 33pF P3400 50V 50V WAFER ANGLE LIPS R3411 N SPK_L es POWER DET SPK L 29 SPK_R od SPK R ee IHE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION a E nou SECRET LG ELECTRONICS MODEL DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes BLOCK SHEET PF WP
20. 0 1uF C40454 4 g1uF M19 1 e 128 IN BCK GPIO150 F Xm e Ze LC DEMOD_SCL T OPT OPT Jr Il DD NODIE G p CK _HDMI2 e DCKP I2S IN SD GPIO151 53 e DEMOD_SDA e Jn p G S CK HDMI2 DX a DCKN I2S IN WS GPIO149 Kl coMP2 DET AVDD_AU33 L SC DD AU33 G E DO _HDMI2 DOP DD_EAR33 G PT 810 AVDD2P5 MOD c 8 DO HDMI2 zz RXDO 128 OUT BCK GP10156 V AUD SCK AVDD25 PGA 13mA 9 G n DIt HDMI2 gt RXDIP 128 OUT MCK GPIO154 AUD_MASTER_CLK_0 L229 VDD33 e G ci B9 BLM18PG121SN1D T19 0 D1 _HDMI2 RXDIN 12S OUT SD GPIO157 gt AUD LRCH e e G S H2 e 1 D2 _HDM RXD2P G H3 W18 3 D2 _HDMI2 gt ac RXD2N 2S IJE C4070 e wi DD LPLL 1 G A DDC_SDA_2 DDCDD_DA GP 1030 EE DD LPLL 2 G U6 C10 16v 5 DDC SCL 2X 1 SE DDCDD CK GPIO29 I2S OUT WS GPIO155 gt AUD LRCK T G E HPD2 1 Sex HOTPLUGD GPIO22 VDD33 DP_NAND G 3 CEC REMOTE S7 CEC GPIO5 E L AB9 C236 2 2uF EU OPT 9 mms ms a a a SC1 COMP1_L_IN AVDD2 REGA G r mmm emm ase s a AA11 C237 2 2uF EU OPT SER E DSUB l um SC1 COMP1 R IN AVDD_MIU e E DD DDRO D 1 G i L219 DSUB_HSYNC HSYNCO e DD DDRO D 2 G R3 AA9 BLM18PG121SN1D K16 D_ P9 DSUB_VSYNC VSYNCO ZI e e DD DDRO D 3 G 2 AAT L15 9 DSUB_R RINOP e DD DDRO C G P3 AB8 Pll DSUB_R ee RINOM A bas 04027 E E Y E 2 2uF 0 iuF K P DSUB_G GINOP COMP2_L_IN c e DD DDR1 D 1 G 1 Y10 243 2 2uF L17 UMS P16 DSUB_G GINOM E COMP2_R
21. 2012 LG Electronics Inc All rights reserved Only for training and service purposes 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expo sure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electri cally shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can g
22. C R132 AD21 10K PCM_CE C e AC20 R133 PCM IRQA Se 10K PCM_CD e Y21 ke em m e e em e m m em e m em em e e m e e a OO m em PCM WAIT Y22 PCM RST C108 C109 0 1uFS 0 1uF NAND FLASH 1G SS NAND FLASH 1G TOSHIBA oer U21 NAND FLASH 1G HYNIX USB1 OCD S E EAN61857001 EAN61508001 R120 22 v21 EAN35669102 IC102 2 IC102 3 ci cdi CI USBI CTL C zT IC102 1 K9F1G08U0D SCBO TC58NVGOS3ETAOBBBH fer Z nse Ez R122 22 i H27U1G8F2BTR BC OPT T20 PCM Bu CTL lt lt Mes es l J ERROR_OUT C MSTAR IC101 Multi package 11 11 18 E geng E to delete CI or gate for A NC 28 NC 28 E4 TE US Multi T8 EU Multi VD CN Multi NI KR Multi NC 27 NC 27 IC101 5 IC101 6 IC101 7 IC101 8 N25 LGE2111A TE LGE2111A T8 LGE2111A VD LGE2111A W1 MULTI PM TXD Sa N NC_26 NC 26 PM RXD E T 1 07 1 08 sys M OM MODEL_OPT_6 A8 SE IE ERR MODEL_OPT_7 1 06 1 07 IC104 1 R136 22 P23 2C scL C 1 05 1 06 R137 22 P24 2C SDA 1 04 1 05 S e e ct 25 RGB DDC SDA NC 25 NC 25 RGB DDC SCL lt NC 24 NC 24 SS a om sell NC 23 NC 23 P2 PNMO C N23 VCC 2 VCC 2 a PWM1 C A P22 5 pwm2 C VSS_2 VSS_2 a R2 LED B LG LOGO C GP10196 P20 NC 22 NC 22 epi l s Be F6 ER xe oo LED R BUzz lt lt NC 20 NC 20 H6 KEY1 1703 1 04 G5 KEY2 G4 I 02 1 03 S7LR2 DIVX AT ASR S7LR2 DIVX AT SPIL S7LR2 DIVX DTS AT S7LR2 DIVX CN J5 1 101 1 IC101 2 IC101 3 Ic101 4 1 0 1 0
23. Check 3 5v on Power B D Repair Replace Replace Power B D or IR B D Replace Main B D Power B D don t have problem If R C operate Explain the customer cause is interference from light in room Replace R C Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process D Function error SCHEER t SE External device recognition error Revised date 12 14 Check technical information Fix information S W Version Check and fix external device cable rnal Input and Component Replace Main B D Fix in Replace Main B D accordance with technical information Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error date symptom IMP Circuit noise mechanical noise Revised date 13 14 Replace PSU with LED driver Identify n OR DEE location of yp noise Replace LED driver a ES Check location of noise Xx When the nose is severe replace the module l T For models with fix information upgrade the x Mechanical noise is a natural S W or provide the description phenomenon and apply the 1st level description When the customer does not x If there is a Tak Tak noise from the p bai apply e enin d stage cabinet refer to the KMS fix information and i E c di basis of t A then p
24. E A8290SETTR T 22000pF iuh 5 1 A_GND A GND R2705 R2706 4 0 0 LNB_TX 3 V t3 3V Normal 3V_ Bee TONO z B o o o K S A A_GND SE A GND gt zZ m LNB R2704 e e AE Max 1 3A E ECH o o di o i 12V 15V 12V_LNB EI E 9 A S e x L2701 N 3 A BLM18PG121SN1D g rl U a es AL oj Ala 9 a e Ce e E Ge N N N O 6 O e 900 A_GND lt E a L A A Q Aa O Zi zi El El Q a THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES at oe AM ME e SECRET MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR GHectronics CJ HH TRONILS BLOCK CHEET IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes AUDIO AMP STASSOBWE 24V 24V_AMP A L3400 CIS21J121 13402 10 0uH 0 VYN e 3 3V_AMP Te gt SPK_L C3420 C3424 0 22uF 1000pF C3400 C3402 ur ui R3407 R3408 Sais ed n 50V 50V S S 9 Ds 22 UE SPEAKER L 5 luF Tous PR C3421 C3425 N L3403 C3403 330pF 6 Den 0 22uF 1000pF E 0 1ure NG pun
25. MAC 00 00 00 00 00 00 4 Adj Ge White Balance IAC Address E8 5B 5B 24 64 70 5 Adust A ADC ebug Status RELEASE 480i Deg a lx Component API History Ver 1320 IL DB CMI_EF_LGT10_00000 Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 16 7 2 LAN Inspection 7 2 1 Equipment amp Condition Each other connection to LAN Port of IP Hub and Jig d 7 2 2 LAN inspection solution e LAN Port connection with PCB Network setting at MENU Mode of TV Setting automatic IP Setting state confirmation gt If automatic setting is finished you confirm IP and MAC Address PCBA JIG Ready setting automatic IP IP 192 168 123 254 7 3 LAN PORT INSPECTION PING TEST Connect SET LAN port PC gt LAN Port SET PC 7 3 1 Equipment setting 1 Play the LAN Port Test PROGRAM 2 Input IP set up for an inspection to Test Program IP Number 12 12 2 2 7 3 2 LAN PORT inspection PING TEST 1 Play the LAN Port Test Program 2 Connect each other LAN Port Jack 3 Play Test F9 button and confirm OK Message 4 Remove LAN cable PingTest LGE Internal Use Only BLOCK DIAGRAM Applied Model LM5800 LS5600 L 83500 CS460 LM3400 E IES ERES A AMAO8SEVIS dINV oipny S dS 09v 2 00S S 1 Scl Jo 3de5Xx3 CATA LAJM k gt VOIUS 19S HOSN3S Z olvivd SL
26. Manual S 1 C M Check LCD backlight with naked eye At A Video error_ No video Normal LED driver 8 24V measuring method A2 2 Z oZ o maid Check White Balance value Jl Power Board voltage measuring method Jana A Video error_ No video Video TUNER input signal strength checking method AS 0 e LLOD TV Version checking method ae LCD TV connection diagram Av o l Check Link Cable LVDS reconnection A8 A Video error_Color error Ss condition A9 ol oO O Adjustment Test pattern ADJ Key LCD TV connection diagram 4 T o A Video error Vertical Horizontal bar Check Link Cable LVDS reconnection AG residual image light spot condition A9 Adjustment Test pattern ADJ Key mol Exchange T Con Board 1 A 1 5 NN Exchange T Con Board A 2 5 i lt Appendix gt 55 driver board Defected Type caused by T Con Exchange LED driver Board PSU A 3 5 Other PSU Inverter Module Exchange Module itself 1 0 Module itself A 4 5 ee Exchange Module itself A 5 5 Sy Continue to the next page Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error A Video error e mzoa symptom ymp No video Normal audio Revised date 1 14 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable
27. OPT i00pF UON mE DC 1 G STIS N gt N N N N R289 100 C258 0 1uF 2 E p M p gt gt gt 2 Il lt IF N MSTAR ate T N L204 K10 G14 C4069 BLM18PG121SN1D DC_3 G e e e e e TES e K11 G17 HALF_NIM EU_NON_T2 fu m 5 S a E 5 S S Z DC 4 G ae IC10 30 gt Fra Fra Fra 5 5 5 5 3 5 DC 5 G SS SS s om S SS ii le i i 3 ola 5 E E H Ale e ala E Em emm s s s s sl o s o o a E ala 8 E E E E 1 M12 G19 LGE21 1A 8 ER o H aso m olo o epo o o ojo ojo ojo ojo M13 DC_6 G 624 C250 0 1uF R4002 47 d i nam a prm Ur DC 7 G SE sit sr a Ex N sr C LO H 1 C251 0 1uF R4003 o o E m o o m A N N m D ES N P14 ess G H12 o emm mm mm e S7LRZ2 PUDE v co o o o o o o o o so wo o DC 9 G 32 ACA re Se oh aL SL Aja uM P15 813 CK _HDM RXACKP T DC 10 G Ee AD3 ANALOG SIF m e R10 H14 CK _HDM l zz 2s x3 RXACKN Close to MSTAR pss PR CORE SA m DC 11 G SE _H RXAOP See etum degen um em Sees See Seo sc TR DC 12 G J1 AC3 E R15 H16 DO _HDM RXAO 43 3V Normal AVDD AU33 DC 13 G x K2 GER A T10 7 D1 _HDM xi RXALP A DC 14 G P D1 _HDM11 gt RXA1 peed L208 G BLM18PG121SN1D EE Ie uan ADA HALF NIM EU NON T2 BLM18PG121SN1D E H19 SES L3 ACS AY TER e P10 J9 D2 HDM RXA2 DDIPO G T5 HALF NIM EU NON T2 T Se e FB CORE Pu Jeo Ta DDCDA_DA GPIO024 C4064 HALF_NIM EU_NON_T2 Lour wegl LuP RID _CORE G EL DDC SCL 1X vs PPCPA CK GPIO23 Ca
28. Only Only for training and service purposes 3 4 Function Check Check display and sound m Check Input and Signal items 1 TV 2 AV SCART CVBS 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz RGB input LD21B only support 5 HDMI 6 PC Audio In except LD21A chassis model Display and Sound check is executed by Remote control Caution Not to push the INSTOP key after completion if the function inspection 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CCFL EEFL gt CH9 Test signal Inner pattern 80IRE LED CH14 Test signal Inner pattern 80IRE f it is executed W B adjustment in 2 3 minutes H run it is adjusted by Target data Mode Temp Coordinate spec Target Cool 13 000k nmm a Edge LED W B Table in process of time LGD module 8 65 AUO module Cool LX y x y 3 69 277 284 Warm NO 00 al N OO N co O 8 O N w NJAJX O N LO al CA O al Co co d co O O O ER O N GO GW G G CO l C l G hO lt BJjojNIoO OO N co N CA O Co Co O CA CA Co 28 O E co O 8 O O O DA O O O N N N 00 00 N co N ev N 6 36 49 272 27 8 80 119 270 9 Over120 269 N al 8 00 N d LO al NO co IR Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes A
29. RDICONTACT 1 5 6V RD O SPRING 1 gt COMP2 pri s 2 OPT RDJE d S D2813 R2823 20V 75 BL O SPRING BL E 1jUG S d p gt COMP2_Pb GN CONTACT OPT D2812 lI Qood 3 3V Normal GN O SPRING ON A GN E 1UG E R2837 e LUK R2838 e DY AV CVBS DET OPT len D2817 m 2813 5 6V 0 1uF 16V e EU OPT AUK e gt IC2800 1 SN324 QET R2822 COMP2_Y AV_CVBS_IN D2814 T 20V T OUTI OUTA INV_IN1 INV INA NON INV IN1 NON INV IN4 vcc GND E l l N Cz a I l 3 3V Normal NON INV IN2 NON INV IN3 EU OPT sur R2808 n2810 10K iK IN CASE OF SMALL 15V INV_IN2 INV_IN3 e Y SC1 COMP1 DET 12V 15V ds EU opt A C2801 D2810 E OUT2 OUT3 5 6V T EE EU OPT 16V EU OPT L2804 ES R2809 VYN bi E 0 gt C1 80G IN EU OPT E EU QET EU OPT EU OPT Sn 065 02800 410 C2814 C2815 MMBT3906 NXP 0 1uF 0 1uF E JK2801 l e iis 30 SCART AUDIO QUT EU OPT BCD PSCOO8 01 Ws LS SC1 CVBS IN E EU OPT mute I a IC2800 EU OPT L EU OPT C2802 c 92801 7 j AS324MTR E1 R2807 C2800 50 MMBTB904 NXP R2829 75 4TpF am SREK N e ee CLOSE TO MSTAR BUE AV DET e 50V 50V R2821 C2812 R2861 390 B 47uF eeng L Seng 2 2K OUTI OUTA T e SC I E DTV MNT L OUT lt COM_GND EU_OPT TE D2801 EU opt EU OPT 20V C2809 E e KIDTVJMNT VOUT C2521 R2866 SYNC IN EU OPT 100uF EU OPT Our OPT 33K IN1 IN4 R2816 16V R2820 DE aoe SYNC_OUT 75 390 EU_OPT EU_OPT EU_OPT EU_OPT e T O BT R2830 12V 15V
30. _ EU OPT D2807 C2803 C2807 3 1 1000pF 4700pF R2840 SN P i EU OPT 2K EU OPT 50v 02803 S C2816 MMBT3904 NXP EU_OPT 0 1uF L2801 BLM18PG121SN1D e ARD t E DTV MNT_R_OUT L OPT EU opt c2808 F D2800 5 6V C2804 4700pF 1000pF C KSE A t A A TH ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Fi ti SECRET MODEL Lo DATE BLOCK mm SHEET LGE Internal Use Only LG ELECTRONICS rj LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Pu ati DN IHE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics P1000 12507WS 04L PM RXD Kl PM TXD Kl LG ELECTRONICS MODEL Te DATE BLOCK s2sec_sems SHEET LGE Internal Use Only MSTART DEBUG 4PIN Pl 12505WS 04A00 STAR_
31. pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range 3 Test method This specification is applied to the LCD TV used LD21C 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification EMC CE IEC 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 96 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for abo
32. 0pF R1 0 1uF H C493 al m x 16v AGND a EN 0 01uF aim d R432 Not used 50V ai E 1 16W 330K 5 T only for small ready R416 R609 gt ps R436 C448 56K 11K FB 5 come E 15K E G L o SS Zeg SH e 3A im R608 12K C494 R2 2200pF 50V ZA 0 165 0 Vout 0 8 1 R1 R2 No TH N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Electronics Fi ti MODEL T er DATE Q6 ELECTRONICS ar aN 7 rj Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LVDS for large inch 5d Pan LVDS Connector For FHD 60Hz FHD P703 FI RE51S HF J R1500 LVDS SEL 3 3V Normal A OPT R705 3 3K PWM_DIM PSU_T120_LGD R706 0 OPT R710 10K SCANN NG_EN 3 3V_Normal A OPT R703 SK RXA4 RXA4 RXA3 RXA3 RXACK RXACK RXA2 RXA2 RXA1 RXA1 RXAO RXAO AUO_GND LGD_NC RXB4 AUO_GND RXB4 10K RXB3 NEM UN RXB3 RXBCK RXBCK RXB2 RXB2 RXB1 RXB1 RXBO RXBO PANEL_VCC A
33. 2 LGE2111A TE LGE2111A TE SPIL LGE2111A W1 LGE2111A VD R164 22 J4 SCART1 MUTE Kl EU OPT 1 00 1 01 9 LOCAL DIMMING NC 19 NC 19 R23 L DIM vs NC 18 NC 18 R24 L DIM SCLK C NC 17 NC 17 R25 L DIM MOSI gt T21 NC_16 NC_16 SENSOR_SCL C ES SENSOR SDA Ee zm zm zm zm e zm zm mm 3 3V_Normal e k e A DIM R156 10K A_DIM lt _ PWMO R1402R141 R1602 R161 R1442 R145 1K 1K 1K 1K 2 2K 2 2K R157 100 PWM DIM C PWM2 A DIM ciii Le AMP_SDA 2 2u F Kl AMP_SCL I2C_SDA AA 120 ser NON OS 512k ST NON OS 512k ATMEL gt IC104 3 IC104 4 SENSOR_SDA M24512 RMN6TP AT24C512C SSHD T SENSOR SCL EO vec AO vec E1 WC Al WP i EE EE Di te eee ay Ee 1 d E2 SCL A2 SCL DCP EEPROM 3 3V Normal Addr 10101 EEPROM l l A 3 3V_Normal i e mm rn zm Option HDCP EEPROM e vss E ay PE PM MODEL OPTION 4 4 e 3 5V_ST A IC103 KEE CAT24WCOSW T C107 AT24C256C SSHL T C105 EAN43349003 EAN43349004 RIIS teg NVRAM ATMEL DW 9 AO vec e Il NVRAM_ST NVRAM_RENESAS R174 R177 SS 10K 10K Al we ape hoe L S yee IC104 1 IC104 2 TOUCH KEY 11 SUB E 2C SCL M24256 BRMN6TP R1EX24256BSASOA R178 100 OPT 2 SCL 22 Le R128 e PM MODEL OPT 0 Al WP ES VSS SDA EO vcc AO vec R179 100 OPT e PM MODEL OPT 1 A2 SCL R129 22 2C_SDA R111 22 I2C SCL El WC Al WP R175 R176 GND SDA 10K 10K
34. 7K 4 7K PD_ 12V R450 1 SOS AS A Q402 e cati R447 100 C474 APX D i PANEL DISCHARGE RES 4 7K 0 1uF 1 2K 18 0 1uF C443 PANEL DISCHARGE RES 4 7K Y 13 R461 R406 4 3 R439 10uF 16V No oL MW e OPT 4 7K NORMAI _EXPEPT_32 NORMAL_32 33K 25V L an Cam em PANEL_VCC g R401 C P403 d 24V es e E RL_ON 10K S Q401 2 FW20020 24S FM20020 24 L407 1 A GET e e 1 e E PD KR 42 LIPS PD t24V e MMBT3904 NXP MLB 201209 0120P N2 iia OPT e RAO ET na Gd 5 1K 100K Wr 22k WA C451 A PWR DET ON DIODES E L407 5 6K 0 1uF 18 R462 L404 1 e CIS21J121 25V e PD t24V WV IC409 1 10K MLB 201209 0120P N2 a RAS 2 Phere EE APX803D29 3 5V ST OP AI e R430 8 2K NCP8035N293 PD 424V SS poo R610 NON CI CAP 13 RA80 L404 33K e C418 10K e B 0407 C455 R405 R407 100 CIS21J121 6 0 1uF oe MMBT3904 NXP 0 1uF 5 6K 25 6K mcg 50V OPT 25V PD t24V ae T D I era 255 P 24 oo 47K B 0406 PD t24V 1 5K C406 C408 PANEL CTL MMBT3904 NXP 22K C412 i e i PD 24V PWR DET DIODES 0 lutr 0 1uF 1 AK10 E 0 1uF 16v Ti R489 _ PANEL DISCHARGE RES 5 6K To 10K PANEL DISCHARGE RES 5 6K P T D E T i QOWG TAM SV 3 3V Normal C L402 X DE J CIS21J121 57 57 AT 3 5V_ST S R419 A K I N C404 OPT A 1K 780 mA C407 a 0 1uF E di R415 iert ee ege He O F I I 1 a i Pu T suns E Ai SC V DDR EE xo P401 10K e Max 1000mA 3 SMAN200 H2452 ER L402 1 M cns MLB 201209 0120P N2 S m OPT TER SL R421 A
35. A TH OPT D2105 1 ADLC 5S 02 0X5 9 EPHY TP ETHERNET XMULTIPLE EPHY TN OPT D2103 Due QM ADLC 5S 02 015 OPT D2104 5 5V ADLC 58 EPHY RP 02 015 SECRET LGElectronics OPT D2101 D DV ADLC 5S 02 015 gt EPHY RN LG ELECTRONICS MODEL BLOCK zl ZO 1400714 LGE Internal Use Only ERY LED and control for on vy THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC a 2 sub without LOUIE x qus co ST A R2411 100 L SENSOR SCL e e OPT D2403 R2404 R2405 aL 02408 A 5 48V105 76V OK 10K 18pF E E 50V 13 13 x R2401 BLM18PG121SN1D 100 ES KEYI C e vy AMOTECH CO CTD jus Hebe R R2402 L2402 OPT 100 BLM18PG121SN1D D2402 SENSOR_SDA e es KEY2 e e 5 a OPT A a T C2409 D2404 C2401 C2402 T iepr 5 48VTO5 76V O 1uF 0 1uF OPT 50V D2401 AT 6 AMOTECH CO TD 9 322407 zk DAT GT e
36. A 2 B_DDR3_A 2 B MA2 B MA4 CG A4 F12 G22 P2 os A4 gt A MA4 A MA3 cis A PPR3 AL3 B_D 3 Hs B MA3 B MA5 lt ne 5 R1226 R1203 Hu A5 gt A MA5 A MA4 elo EN B_D 4 D B MA4 B MA6 C a2 26 ubi IMG ANM xp B poe 51 TE o Sud Te E i AVDD_DDRO ae 210 AT LD A MAT A MA6 A DDR3 A 6 B_D 6 B MA6 B MA8 C A8 MES AVDD DDRO F 1 D11 D22 R3 A SC A8 CD A MA8 A MA7 SD A DDR3 A 7 7 o B MA7 B MA9 X S A9 e ERGO EYES e a D 1 A9 O A MA9 A MA8 512 ALDDR3_AL8 81 F5 B MA8 B MA10 A10 AP 1 c1228 lee os Cia05 9 E D 2 A10 AP gt A MA10 A MA9 cis A PPR3_AL9 9 Ge B MA9 B MA11 C lan sl Fo et ET os 6 C120 Q 1uF T D 3 A11 A MA11 A MA10 cis PPR3 0 eae B MA10 B MA12 C q3 212 BC e 1536 ERE d os ili g l D 4 A12 BC O gt A MA12 A MA11 z A DDR3_A 1 TE B MA11 B MA13 C A13 ue K A 5 F OS IU e Q 0 1uF g D_5 A13 C A MA13 A MA12 A_DDR3_A 2 B MA12 e e C1211 Q 1uE HE E11 E2 M7 osc1232 PH 0 1ur e e Se D 6 A MA13 Som A_DDR3_A 3 BCS B MA13 e C1233 0 1uF os 222 0 luF zd D 7 A MA14 A DDR3 A 4 B MA14 M2 C1234 0 1uF os e 2 0 luF a 5 8 B MBAO C m ag cizssl b o iur Y os lu e D_9 gt A MBA0 p gt A MCK p B MBA1 lt S E era ear g G on M OS pe d gt a MBAl 2 2s A MBAO A DDR3 BA DDR3 BA B MBAO 00 B MBA2 e e C 6 Q uF do d F24 E 0 e gt A MBA2 mi A MBA1 A DDR3 BA DDR3 BA B MBA1 m os Al 61209 3 F20 27 ey d A MBA2 A
37. ADDRI2 CI TS VAL C B e 62 e CI ADDR 1 CI TS SYNC C RUE AT ARE e 63 e CI ADDR O 64 CI DATA 0 e e AR1903 33 65 CI DATA 1 e e CI ADDR 0 14 CI TS DATA 0 X J 66 CI DATA 2 e e CI TS DATA 1 X 67 e CI TS DATA 2 4 e 68 e e CI TS DATA 3 OPT R1907 Pe 100 e CI CD2 e 5V_Normal GND alk qdu H GND C1914 DF R1904 L 50V J TOR pol ee END mis ps vv 9 CLOSE O MSTAR C1904 s LA 0 1uF 16V CI MISTRT CI_MIVAL_ERR CI_MCLKI A a A a aj Er rcc Er cer rr RM c cn C DETEC mcr me ee d T aa cra gc Za Ae iii ii i i zm zm 1 E 3 3V_C1 3 3V_CI 3 3V_Normal 3 3V CI A A A re1901 CI_CD2 e L1901 BLM18PG121SN1D CI CDl C1908 e R1917 D u eee 10K e VI kd 16v um R R1915 47 ci1901 Peet e O GI BET 0 1uF u pla ES PCM cp CI POWER ENABLE CONTROL 4t5V CI ON TRV Normal Q1902 11902 A AO3 407A BLM18PG121SN1D Rei a e e TER e C1907 OPT R1914 2 C1911 C1910 OPT DM UR 0 1uF R1912 22K 4 7 Eege G 0 1uF R1923 16V 10K 16V 16V 10K 0 1uF 16V e e R1922 2 2K G R1913 10K B Q1901 PCM AN CTL MMBT3904 NXP R1924 10K x ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC WHEN SERVICING IF 15 Copyrig
38. B P V Restore HDCP i Use USB E2PROM Device Setting I2 Pin Definition e a x Communication Setting 1 Speed 74 al E gt EA et aise C BDA out SCL out ji E Port h s en eng Roughly Speed 450 KHz o ste PC TA A CTE PIN pino Reverse High SPI Setting FA Auto Detect ra USE SPI 7 pin 1 switch UART I2c imt Pl ES Se z ser Pull all Pin High gt Elapsed Time Es USB 450KHz Flash Status 00 Please Check the Speed To use speed between from 200KHz to 400KHz 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility V4 3 7 i ee GE Device Load Read Auto E Sauce File 010 file DE Y ReConnect IV Blank M Read File HDCP Key Checksum Key 1 Restore Data l i M Multi Flashes Flash D Flash 1 Flash 3 C Flash 3 IV Program iv Verify V Erase Device iv Exit ISP All Chip C File Area I I e C Erase Area First KBytes I E up C Partial Erase E USB 390KHz USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files from memory 4 Updating i
39. B3 1 23V BLM18PG1215N1D NCA NC 2 FULL NIM E E z R2634 FULL NIM FULL NIM Tos S Tos S pc 22K C2645 02647 B1 3 3V S2_RESET C2608 c2611 Rn 41 23V TU T Ral ares se D 0 1uF 1 T 50V ste T A B4 3 3V B2 1 8V DVB_S DVB_S S2 F22 OUTPUT R2600 R2612 bya CO LNB TX 10 S2 RESET e 13 3V S2 DE S2 SCL SA DVB S c2619 A o J E DVB_S DVB_S LNB DVB S C2624 C2625 TORUM R2605 22 100pF 0 1uF b d DEMOD SCL 50V 16V GND 4 DVB S R2604 22 DEMOD_SDA ERROR OPT OPT 62610 T b 18pF 18pF 50V 50V VALID BEER D 3 3V_TU 2 5V_TU 3 3V_TU 3 3V_S2_DE 33v TU 3 3V_Normal MLB 201209 0120P N2 ep emm em A A A A A A OPT MEN IC2600 close to TUNER AP2114H 2 5TRG1 DUEB SS Een Pull up can t be applied L2602 L2606 7 T R2835 rr Gene because of MODEL OPT 2 BLM18PG121SN1D CIS21J7121 0 Surge EUR Y TR e LNB_OUT OPT e ik e e fT 1 e lo S OPT C2630 DVB_S DVB_S C2643 C2644 C2646 C2648 p C2650 E dons pz dp c2627 RECH TZo iur c2632 TZ C2634 TZ 22ur 0 1uF 22uF ZZ20 1urF n 18pF J 33pF 3 OSMCI20A suzhougrande gt 2 2K DANT 1 16W TeV Tour VUE 10v JE 10v 16v bp SC 50V 50V 50v 20V 1w 16v Z 10V 16V OPT OPT ma ee ee E C2628 C2629 ce 10uF 0 1uF 10v Dv 3 3V T2 TU T2 E L2603 BLM18PG121SN1D SHIELD TH Fi ti Ti THE W Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes ZN SYMBOL MARK OF THIS SCHE
40. Board N Cancel OFF Replace Power Board and repair parts N N Gheck Disconnection Replace MAIN Board Speaker disconnection Y Replace Speaker LGE Internal Use Only Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes Standard Repair Process 10 14 C C Audio error RC inn METEO Symptom Wrecked audio discontinuation noise Revised date abnormal audio discontinuation noise is same after Check input signal compared to No audio A16 Check and replace Check audio speaker and B Voltage 24V connector Check input signal RF External Input signal When RF signal is not received Request repair to external cable ANT provider In case of N External Input Connect and check p lt Norma signal error other external audio Check and fix device external device Y Check and fix external device Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process F j Established Error D Function error que 2012 01 14 symptom Remote control amp Local switch checking Revised date SJ Wu 1 Remote control R C operating error Replace Main B D 7 A17 A17 Check R C itself Check amp Repair Check B Cable connection Operation J Connector solder M Beie signal On Main B D put sig Check R C Operating When turn off light in room
41. C_SCKMO GP1IO53 C_SDAMO GPIO54 AB25 AB23 gt RXAO AC25 gt RXA0 AB24 gt RXA1 AD25 gt RXA1 AC24 gt RXA2 AE23 gt RXA2 AC23 gt RXA3 AC22 gt RXA3 AD23 gt RXA4 V23 gt RXA4 U24 gt RXBOt VAS gt RXBO V24 gt RXB1 N25 gt RXB1 W23 gt RXB2 AA23 gt RXB2 Y24 gt RXB3 AA25 RXB3 AA24 gt RXB4 AE24 gt RXB4 LVACKP AD24 gt RXACK LVACK Yr23 gt RXACK LVBCKP WER gt RXBCK LVBCK TAG gt RXBCK GPIO196 U23 MODEL OPT 3 GPIO193 T24 MODEL OPT 4 PIO194 T2 3 MODEL OPT 5 GPIO195 gt S2 RESET FLASH EEPROM GP LGE Internal Use Only ODEL OPTION me a a a a a a a a a a a a as am am as em em em mam mam mam am
42. DDR3 BA DDR3 BA B MBA2 s A8 ra der 0 co 7 de 0 uF NM ci Sot 50V C17 G25 N 9 Ee eo A MCK 7 A DDR3 MCLK DDR3 MCLK EDS B MCK BPMCKE C gt A MCKE A MCKB A_DDR3_MCLKZ _DDR3_MCLKZ B MCKB D2 6 F25 L2 Se gt A MCKB A MCKE A DDR3 MCLKE DDR3 MCLKE B MCKE S B MODT lt a F J gt A MODT AVDD DDRO B MRASB lt H2 E14 D20 3 Se gt A MRASB AVDD_DDRO A MODT Bi 2 DDR3_oDT B_DDR3_ODT V B MODT B MCASB lt _ 2 A MCASB R1231 A MRASB AS A DDR3 RASZ B DDR3 RASZ ES B MRASB R1232 B MWEB lt 10K a CD A MWEB 10K A MCASB SSES A DDR3 CASZ B_DDR3_CASZ ees B MCASB E SC A MWEB A_DDR3_WEZ B_DDR3_WEZ B MWEB os B MRESETB X gt A MRESETB L1 F11 E20 Ka A MRESETB A DDR3 RESET B DDR3 RESET B MRESETB S 5 B MDOSL X 1 3 gt B MA14 T G A MA14 lt gt A MDQSL ds B MDQSLB lt K CD A MDOSLB A MDOSL cia A_DDR3_DQSL B_DDR3_DQSL m B MDOSL c7 X9 A MDOSLB A DDR3 DOSLB B DDR3 DOSLB B MDQSLB B MDOSU CC ET gt A MDQSU B MDQSUB lt B3 B18 D m LD A MDQSUB A MDQSU z 2 PPR3 DOSU B_DDR3_DQSU FP B MDQSU ae A MDQSUB A_DDR3_DQSUB B_DDR3_DQSUB B MDQSUB B MDML amp m gt A MDML B MDMU lt J2 E15 H24 E CD A MDMU A MDML Se A DDR3 DO DR3_DOML 25 B MDML A M A MDMU A DDR3 DO DR3 DOMU B MDMU B MDOLO X ES gt A MDQLO B MDOL1 lt M9 D17 L23 F2 n gt A MDOL1 A MDQLO aie A DDR3 DQL O DR3_DOL O um B MDQLO B MDOL2 K Se mE gt A MDQL2 A MDOLI Bad A DDR3 DOLI1 DDR3 DOLI1 5 B MDOL1 B MDOL3 X Se e CD A MDQL3 A MDQL2 e
43. DEBUG_4P gt RGB_DDC_SCL 9 RGB DDC SDA IHE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC GElectronics LG ELELTRONILS SL LIL Kn TAR DEBUG_4PI GHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes DATE LG Life s Good Contents of LCD TV Standard Repair Process No Error symptom High category Error symptom Mid category Remarks No video Normal audio No video No audio E Uso Tuning fail Picture broken Freezing Color error Vertical Horizontal bar residual image light spot external device color error No power FF B Power error Off when on off while viewing power auto on off No audio Normal video 9 C Audio error Ean Wrecked audio discontinuation noise Remote control amp Local switch checking 11 D Function error External device recognition error Exterior defect N GJ First of all Check whether there is SVC Bulletin in GCSC System for these model Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Contents of LCD TV Standard Repair Process Detail Technical
44. E RE gt PF ALE gt F RB AR104 22 OS POWER_DET gt PM ron p INV GTL K gt RL ON gt POWER ON OFF 1 T PM_RXD FLASH WP ws gt SIDE HP MUTE ei PANEL CTL Se PM MODEL OPT 0 U DY AMP_MUTE A2 R147 33 D3R154 22 R1464 33 mae Be OPT Kl SPI_SDI as ae gt e for SERIAL FLASH E L F cueausuk Y14 CI TS VAL AA10 AE CI_TS_SYNC m CI TS DATA 0 7 SE EE from CI SLOT e CI TS DATA I purs CI TS DATA 2 ARI CI TS DATA 3 ETE CI TS DATA 4 NET CI TS DATA 5 XaT3 CI TS DATA 6 BT CI TS DATA 7 A FE TS CLK acis FE_TS_VAL_ERR FE TS SYNC poem FE T DATA 0 7 AC16 Gae CEDAR ADM FE TS DATA O Internal demod out ARS FE_TS_DATA 1 RET FE TS DATA 2 GIA FE TS DATA 3 AC14 FE_TS_DATA 4 D FE TS DATA 5 DIS FE TS DATA 6 ADIA FE TS DATA 7 S7LR2 DIVX MS10 IC101 LGE2111A T8 pt Fe T CF AMP_RESET E6 5V_DET_HDMI_1 F5 5V_DET_HDMI_2 B6 E5 AV_CVBS_DET D5 DSUB_DET B7 SC1 COMP1_DET E7 HP_DET SS OLP lt l S ee T d on onl SMALL PCB AB TUNER RESET X 1 P Y AB3 MODEL OPT 0 A9 FA MODEL OPT 1 R172 0 AB1 AMP_SCL R173QBT 0 N6 AMP_SDA OPT AB2 MODEL_OPT_2 DEMOD RESET C AC2 G G G G G G G G G G G G G T I G G mm N N 036 037 038 039 040 041 042 045 046 049 050 WER 052 073 074
45. EXPRESS AM1 TURK SAT 2A 3A INTERSAT10 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Z O 1 PAL BG 2 PAL DK Broadcasting system 3 PAL 1 P 4 SECAM L L 5 DVB T T2 C S DVB T Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 DVB T2 Guard Interval Bitrate_ Mbit s 1 4 1 8 1 16 1 32 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 QAM 1 2 2 5 2 3 3 4 5 6 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 Analog Upper Heterodyne Receiving system Digital COFDM QAM gt DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM DVB S S2 symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 9 9 10 Scart Jack 1EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT analog Video Input RCA 1EA PAL SECAM NTSC 4 System PAL SECAM NTSC PAL60 Component Input EA Voie BEEN UO Analog D SUB 15PIN RGB Input RGB PC Some models LD21A LD21C are not supported HDMI1 DTV DVI PC HDMI version 1 3 HDMI Input 3EA HDMI2 DTV Support HDCP HDMI3 DTV The number of In
46. FET_AOS 3 3V_Normal CEN S 0 d AT e 10K INV CTL te ms s emm a a a 0403 1403 A OPT AO3 407A BLM18SG700TN1D R475 o a 5 0 OPT A IC407 e e e P a e e CL gt gt OE NXE 2427 AP7173 SPG 13 HF I PWM1 10K P OPT OPT NON CI CAP G MES 25 R446 CL C445 caog BLM18PG121SN1D el C435 R434 R438 FET AOS 0 LUF TOK Vas 22uF 9 iur 16v 0 1uF 16V 16v 10K 22K C423 16V NON PSU TIZU LCD A DIM ais FET 2 5V R611 E 6423 41 0 z cient Kl PWM DIM z 10V FET_2 5V i OPE ES R445 1 a C416 R606 2 2K FET 2 5V DIODE FET 2 5V AOS 0 1uF 3 9K FET AOS Sn aH A03435 eG PWM_PULL DOWN_3 9K R445 Donc 0403 2 3 3V_Normal 100 R606 1 E a 7 A 1K PWM_PULL DOWN_1K ME G j POWER ON OFF 1 10K E gaod Wi Wa ERROR_OUT 1s used for gt e MMBT 3904 NXP t3 3V Normal OPT lamp CCFL EEFL models i SED z In other words ERROR OUT R486 100 LED models need not use SE L J 4 y I i i I l I l y i I l I I l I l I i l i i i l I l I i I 8 1 R1 R2 1 5319 FOR LPB Downloacd To LED DRIVER t3 3V Normal A den NV du OO t3 3V Normal C447 FK N A R428 0 33uF 3 3V_Normal OPT R om om q FOR LPB MODEL R615 IC402 t2 5V Normal P407 10K GEESS f A 12507WR 08L r wem
47. GP I G m B4 KI ET COL LED0 GP i354 e S T Y 3 gt 5 1 10V_VDDC ali MIUVDDC Close to MSTAR 0 1ur O 1uF A a a a a e q a a See AVDD NODIE 7 362mA L228 A DSUB_HSYNC DSUB Bi a E ae M BLM18PG121SN1D ge m 4 uF e R217 psus_vsyync Da aun s DO IRIN GPIO4 lt IR id 2 0 3 5V ST AVDD NODIE AY Y Ld T6 R210 33 C231440 047uF e SOC RESET A A ARCO Lt gt HDMI_ARC L206 C4071 C4062 DSUB_R DSUB SOG PC L IN 5 EPHY RP N5 HDMI ARC HDMI A EE BLM18PG121SN1D ONE O luf HWRESET SOC RESET AY e DSUB R gt q PC_R_IN A EPHY_RN gt 7 AA R200 c201 ml 286 cose 62K 0 1uF 0 1uF ee Q 1uF DSUB_G HP LOUT EPHY TP e DSUB G SPDIF OUT CC A HP ROUT Co EPHY TN Co OW L F T mum umen manum uus munis a Zeit uu rs GE nal i p s s e Ce THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Electronics LG ELECTRONICS T H W OP Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes USB SIDE THE ZN SYMBOL MARK OF THIS SCHEMET
48. GPIO66 PWM1 GPIO67 PWM2 GPIO68 PWM3 GPIO69 PWM4 GPIO70 PWM PM GPIO199 SARO GP SAR1 GP SAR2 GP SAR3 GP SAR4 GP VSYNC LIKE GPIO145 SPI1 CK GPIO201 SPI1 DI GPIO202 SPI2 CK GPIO203 SPI2 DI GPIO204 PM UART RX GPIO P PM SPI SCZ1 GPIO P PM SPI SCZ2 GPIO PM NF CE1Z NF WPZ NF CEZ NF CLE G NF REZ NF WEZ NF ALE G NF RBZ GPIO_PM PM_UART_TX GPIO_PM GPIO_PM GPIO_PM GPIO_PM 4 GPIO_P GPIO_P GPIO_P GPIO_PM PM_SPI_S PM_SPI_CZ0 GPIO_PM 1 PM_SPI_S PM_SPI_S TSOCLK GP TSOVALI TSOSYNC GP TSODATA_ TSODATA_ TSODATA_ TSODATA_ TSODATA_ TSODATA_ TSODATA_ TSODATA_ p t SS a px RI TN n TS1CLK GP TS1VAL TS1SYNC GP G G G G G E L E O OF OQ 0 10 G 0 GPIO6 GP107 2 GPIO8 3 GPIO9 GPIO10 GP GP GP GP GP GP GP CK GPIO1 2 GPIOO DI GPIO2 DO GPIO3 D GP GP GP GP GP GP GP GP GP 098 D GPI96 097 GP GP GP GP GP GP GP GP 088 089 090 091 092 093 094 095 OS AR103 22 AE18 gt PF WP NEUE gt PF cen PE PF CE1 IU gt PF OE i PF W
49. H2 H9 J1 J9 L1 L9 T A9 B3 El G8 J2 J8 M1 MBS HEET LGE Internal Use Only Serial Flash for SPI boot 3 5V_ST 3 5V_ST A A S FLASH MAIN MACRONIX OPT IC1401 158 MX25L8006EM2I 12G 3 5V_ST OS C1401 0 1uF CS SPI_CS e OPT R1403 10K SO SIO1 SPI_SDO gt SCLK SPI_SCK FLASH_WP R1405 SI SIOO 33 SPI SDI OS NXP S FLASH MAIN WINBOND IC1401 W25Q80BVSSIG DI IOO0 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LGEectronics LG H El TRONILS BLOCK GHEET DATE THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC LG Electronics Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes IH oP TH CI Region Fi ti u rj u
50. I Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C POWER ON gt Enter the mode of White Balance the pattern will come out Full White Pattern as CA 210 COLOR ANALYZER TYPE CA 210 RS 232C Communication Auto control interface and directions 1 Agjust in the place where the influx of light like floodlight around is blocked illumination is less than 10 lux 2 Adhere closely the Color analyzer CA210 to the module less than 10 cm distance keep it with the surface of the Module and Color analyzer s prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 5 minutes Using no signal or POWER ONLY or the others check the back light on Auto adjustment Map using RS 232C to USB cable RS 232C COMMAND CMD ID DATA Wb 00 OO White Balance Start Wb White Balance End 00 ff CMD ID DATA MIN DEFAULT MAX RGain io Jua ia 00 172 192 192 182 Gain n Jm fie oo 172 192 192 102 BGan i i f oo te 192 172 e Ro es e e Ip eca je je e 128 je cut je a je 95 Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are all CO itis the FULL Dynamic Range of Mo
51. IC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS W HEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics USB 1 32L53500 JK1450 1 a LD to e o z un d E amp z 3AU045 345 ZC H LG USBlL DLODES USB_1_NORMAL JK1450 LG L1451 1 MLB 201209 0120P N2 120 ohm V UN NC L145 CIS21J121 OUT 2 TTR e OPT OPT R1458 R1459 C1451 OUT 1 2K 2K 22uF EAN61849601 IC1450 AP2191DSG GND 5V_USB 0 0665 IN 1 2 TT I l IN_2 C1452 C1453 10uF 0 1uF 10v E 3 3V Normal OPT R1455 4 7K USB1_CTL R1454 10K R1451 47 e gt USB1 OCD SIDE USB1 DM a un w e o Zz an d Ei E z 3AU04S 305 ZC OPT A D1451 RCLAMP0502BA SIDE USB1 DP LG ELECTRONICS MODEL es rs7im2 SL LILK USB_OCP_ RET LGE Internal Use Only HDMI ZEA NON SIDE HDMI
52. METIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC HEN SERVICING IF IS SECRET LGElectronics LG ELECTRONICS lla ok 10uF 10V 0 1uF 16V L I MODEL 7 DATE BLOLK roweseo SHEET LGE Internal Use Only DVB S2 LNB Part Allegro Option LNB 2A SA 12V_LNB A LNB gt L2700 Be c d a LC C a ae e T LNB sal de close to Boost pin SP T850 33 c2711 ff e DCDC GND and A GND are connected 2 4A 10uF s 25V N 50V DCDC GND and A GND are connected in pin 27 D TES i DCDC GND ies DCDC GND a diee ida PCB GND and A GND are connected D2703 DCDC_GND MBR230LSFT1G xt A_GND Ra n an anr an ee ee dl LNB_OUT lt PET A EI E E E M c CC 30V LNB LNB C2703 nnd Input trace widths should be sized to conduct at least 3A LNB SE dor 50V C2700 J Ouput trace widths should De sized to conduct at least 2A e u e Aum ED GE AA HD A GP GP AA A GP A GE A HD HD HD AA GED AA GD AO GED GD Ka 4 D A GND A mM Q Z H O Fi a Z Ka H fy O Ey A_GND 4 LD 4 gt mM Z D A GND 8 ii LNB C2702 1 0 1uF LNB IC2700 6
53. North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED LCD TV CHASSIS LD21C MODEL 42LM3400 340S 340T 42LM3400 340S 340T ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67360733 1204 REVOO Printed in Korea CONTENTS CONTENTS qc 2 SAFETY PRECAUTIONS eegen 3 SERVIGINS PREGAUTONO ooo ers riores 4 SPECIFICATION WE 6 ADJUSTMENT INSTRUCTION sss d eee 11 BLOCK DIAGRAM scraps 17 EXPEODED MER 20 SCHEMATIC CIRCUIT DIAGRAM nona aaa nana nenen eseve neser ene ee nnn Copyright 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A in the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufactu General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician
54. S CI Z olvivd SL 33 Jong VVCXO A 3IM908 V1S oipn div oipny m ul 4 y dai CA3M LAJM k q_ vasos HOSN3S L olviva SL Z olvLva INOd vi glv Nod 0 V Nod HAN9SZ VOLOI d LONINYH LOWNVZIN dcl IEO eacda PPV dad zH0os aH43 SOA LOL 3 VILLLCS1 OB i 9DIS sosvso sosest Jo 1de5x3 AIH 8OS L g or4 LOS NI SHAO LOS I INOA 33 Sn 4d Qd A SJA JYVIS 3 Ljuauodulo IAQ Z LIINGH SAINL Je8M 1197 AIS SHAD NL DUNS som sal Z olvivd SL 33 INV lt iex LGE Internal Use Only 19 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by AV in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer
55. SPI flash AB22 43 MIPS SPI EJ 1 4 b0101 Boot from MIPS with SPI flash PCM D 3 AE20 RB 1 05 MIPS_SPI_EJ_2 4 b0110 Boot from MIPS with SPI flash PCM D 4 AA15 F RB a MIPS_WOS 4 p1001 Secure MIPS without scramble R 1704 MIPS WS 4 b1010 Scerur MIPS with SCRAMBLE PCM D 5 AE21 41 PCM DI6 PF OE E 3 3V_Norma AB21 E NC PCM D Y15 PF CEO e 40 A PCM_A 0 14 NC_7 NC_24 39 e e e PCM ALO W20 OPT OS NC 8 NC 23 M x x x x PCM_A 1 v20 R108 C101 38 1K RCM ALZ W22 0 1uF VDD_1 VDD_2 E E E E e ji e d Bi Bi 6 By a PCM A 3 AB18 3 3V Normal VSS 1 VSS 2 E D m a PCM_A 4 AA20 A OPT e 36 E EI o N to TE SE R105 NC 9 NC 22 Ei Ei e x e AA21 IK E SS LED R BUZZ EH L Y19 e NC 10 NC 21 PCM A 7 XI 34 e AUD SCK PCM A 8 Y16 CL NC 20 AUD MASTER CLK R148 OPT pr_cEl gt i Ct AUD_MASTER_CLK_0 PCM ATI AB19 R104 AL 1703 56 PCM_A 10 OPT AB20 10K PF AL 32 e PWM1 PEM ATI 9 1 02 C112 AA16 App WE 31 100pF e GA PCM A 12 ano WP so LE 50v x x x x M PCM A 13 NOE e A PCM A 14 AA17 c o NC 11 1 00 O o 29 I B o xu NC 12 NC 19 S H gt 0 OPT o iz KEN bal Y20 God Eum gt dj 28 i zi Q EN ER PCM REG C OES MMBT3904 NXP NC 13 NC 18 m m ei D eee E 27 AB15 os On Sm S NC 14 NC 17 e e e PCM OE C EE 26 Ki PCM WE 3532 NC 15 NC 16 lt 5V_Normal PCM IORD C XU PCM IOWR
56. Speaker Cable IR B D Cable SA1 ie AA No video Check Back Light Check Power Replace T con Normal audio On with naked eye Board Board or module 12v 3 5v etc Move to No video No audio N Repair Power Board or parts x Precaution c A6 A3 Always check amp record S W Version and White Balance value before replacing the Main Board Replace Main Board He enter White Balance value Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process s Established Error A Video error dele 2012 01 LCD TV symptom d AA Check various ZN Check and No Video voltages of Povver em gt replace No audio Board 3 5V 12V 20V MAIN B D or 24V Y Replace Power Board and repair parts Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process symptom Picture broken Freezing Revised date A5 By using Digital signal level meter By using Diagnostics menu on OSD Menu Set up Support Signal Test Signal strength Normal over 5096 Signal Quality Normal over 5096 Check RF Signal level Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc Check RF Cable Connection Check 1 Reconnection S W Version 2 Install Boost
57. XBCK RXB3 RXB3 RXB4 RXB4 FOR FHD REVERSE 8b1t Pol change RXA4 RXA4 RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXB4 RXB4 RXBO RXBO RXB1 RXB1 RXB2 RXB2 RXBCK RXBCK RXB3 RXB3 HD P705 FF10001 30 30Pin LVDS Connector For HD 60Hz_Normal HD_GND_2pin e R713 0 e RXA3 RXA3 e RXACK RXACK RXA2 RXA2 e RXA1 RXA1 LVDS_SEL RXAO 3 3V_Normal RXA0 A e OPT R712 333K e OPT e R711 10K e aan e PANEL A OPT OPT c701 C702 10uF 1000pF 16v 50V Hie Me HD C703 0 1uF 16V VCC HD L701 70 ohm BLM18SG700TN1D MODEL Gen DAT BLOCK ves_eance SHEET LGE Internal Use Only
58. _IN GE e DD DDR1 D 2 G E E Be SEN T e AVSS PGA M17 RR ee P17 bud ma PANOE ADI E L BLM18SG121TN1D SES HE D3 G PIS DSUB B TJ BINOM PC R IN DD_DDR1_C E L ll RS B S9S SOGINO vu Close to IC with width trace p e 5 K AUDIO IN R8 ke s s o E9 R9 SCART1 RGB COMPI1 a oat SS ee poem mp mmi emi s D EFUSE x sc1_ID I sme E eo ees Pm prr A AN Ss SC1_FB E VSYNCI AUOUTLO AUDIO OUT a ei R253 33 C211440 047uF q U3 V6 A23 R13 SC1_R COMP1_Pr EE l ya RINLP AUOUTL2 E gt SCARTI_Lout SYSH SS SH aR hd B17 GND 1 E R255 C213 z Ti RINIM AUOUTL3 TP207 1 e Gad GND_2 e 33 0 047uF SC1_G COMP1_Y GIN1P AUOUTRO TP208 DDR3 d a 5V e GND 3 R256 68 C214 0 047uF T2 w5 S RRET R A5 T9 T R257 33 0 047uF q n2 eno AUOUTR f y5 L EO e a eno_a C215 u SC1_B COMP1_Pb BINIP AUOUTR3 TP209 L e GND_5 R258 68 c216440 047uF Y R1 zm mm zm c19 T11 e ES BINIM e Gus GND 6 1 mE C217 4 41000pF sci SOG INL gt P SOGIN1 e GND 7 2 sopt bu opm AVDD_DDRO 55mA e D14 Gus 5 T13 SR 1 5V_DDR p poe ech A AVDD MIU D18 T14 A e GND 9 4 r s ms c a AA2 e D19 PLS HSYNC2 GND_10 5 COMP 2 eat AV R237 33 C218440 047uF Y2 L209 w E17 T16 COMP2 Pri RIN2P L202 BLM18PG121SN1D GND_11 6 R238 68 Cc219440 047uF VAA3 EE E18 x T17 R239 Ski AD5 fu De Ea De T gig ee Tue 33 C220440 047uF OMP2_Y AV_CVBS_IN gt e s GIN2P UR l E B
59. between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board mod ule or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 96 99 96 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required 5 Do not defeat any plug
60. cs DDR_1600_SS IC1201 5 K4B1G1646G BCKO DDR_1600_SS IC1202 5 K4B1G1646G BCKO DDR 1600 HYNIX IC1201 4 H5TOl1G63DFR PBC DDR 1600 HYNIX IC1202 4 H5TQ1G63DFR PBC LG ELECTRONICS DDR_DVB_T2_2G Ic1201 3 K4B2G1646C DDR DVB T2 2G 1C1202 3 K4B2G1646C DDR_1600_MICRON IC1201 6 MT41J64M16JT 125 G DDR 1600 MICRON IC1202 6 MT41J64M16JT 125 G N3 P7 P3 N2 P8 P2 R8 R2 T8 R3 L7 R7 N7 T3 M7 M2 N8 M3 J7 K7 K9 L2 K1 J3 K3 L3 T2 E3 G3 C7 B7 E7 D3 E3 F7 F2 F8 H3 H8 G2 H7 D7 C3 C8 C2 AT A2 B8 A3 N3 Py P3 N2 P8 P2 R8 R2 T8 R3 L7 R7 N7 T3 M7 M2 N8 M3 J7 K7 K9 L2 K1 J3 K3 L3 T2 F3 G3 C7 B7 E7 D3 E3 LC K4B1G 1201 ri1 1646G BCH9 DDR 1333 SS NEW AO Al A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 A12 BC A13 VREFCA VREFDQ LG K4B1G T2024 1646G BCH9 DDR 1333 SS NEW AO Al A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 A12 BC A13 VREFCA VREFDQ TETZOLA2Z NT5CB64M16DP CF DDR 1333 NANYA NEW AO EAN61857201 VREFCA Al A2 A3 VREFDQ A4 A5 A6 A7 A8 A9 A10 AP A11 A12 NC 6 NC 5 IC1202 2 NT5CB64M16DP CF DDR 1333 NANYA NEW AO EAN61857201 VREFCA Al A2 A3 VREFDQ AS AS A6 AT M8 H1 L8 A8 B2 A9 D9 A10 AP EJ A11 ko A12 K8 NC 6 N1 N9 R1 R9 Al A8 ci CS D2 E9 F1
61. dule LGE Internal Use Only Manual W B process using adjust Remote control 4 3 3D function test After enter Service Mode by pushing ADJ key Pattern Generator MSHG 600 MSPG 6100 Support HDMI1 4 Enter White Balance by pushing gt key at 8 White HDMI mode NO 872 pattern No 83 Balance 1 Please input 3D test pattern like below HDMI mode No White Balance 972 pattern No 83 EZ ADJUST 0 Tool Option 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option5 5 Country Group 6 Area Option 7 ADC Calibration R Gain G Gain B Gain O R Cut G Cut B Cut Test Pattern Backlight Reset K 2 When 3D OSD appear automatically then select OK key 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting After you finished all adjustments Press In start key and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON 4 2 EYE Q function check 3 Don t wear a 3D Glasses Check the picture like below 1 Turn on TV 2 Press EYE key of Adjustment remote control 3 Cover the Eye Q Il sensor on the front of the using your hand and wa
62. e amp Serial number D L APP History Ver 638 POL DB LGD CF LEI ven Press Power on key of service remote control Baud rate 115200 bps 4 Check the model name Instart menu gt Factory name displayed Connect RS232 Signal Cable to RS 232 Jack ex 32LV3400 ZG Write Serial number by use RS 232 5 Check the Diagnostics DTV country only gt Buyer model Must check the serial number at the Product Service info displayed ex 32LV3400 ZG menu key gt red key gt select product Service info Software Update fae Picture Test 1 Sound Test LI Signal Test 7 Product Service Info 6 1 Signal Table CMD LENGTH ADH ADL DATA1 Datan CS DELAY CMD AOh LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data 1 Data n Delay 20ms Copyright 2012 LG Electronics Inc All rights reserved a LGE Internal Use Only Only for training and service purposes 7 MAC Address Cl key download 7 1 MAC Address 7 1 1 Equipment 8 Condition Play file Serial exe MAC Address edit Input Start End MAC address 7 1 2 Download method 1 Communication Prot connection E PCBA USB Port RS S 232C cable Personal Computer Y S RS 232C Cable USB to Serial Adapter PC RS 232C Port UC 232A Connection PCBA USB Port USB to S
63. eads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacen
64. enerate static electricity suf ficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil
65. er Contact with signal distributor or broadcaster Cable or Air Check Tuner soldering Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes s Established A Video error IEC 3 14 Replace Main B D LGE Internal Use Only Standard Repair Process s Established A Video error Er NE CEN Tuning fail Picture broken Freezing Revised date 4 14 cm AN Check RF signal cable DVB satellite signal or not Check whether other equipments have problem or not IIA By connecting RF Cable at other equipment Set Top Box Different maker TV etc symptom Check satellite setting Ge en nono Check Check Replace Check Satellite connection e S W Version Tuner soldering Main B D DiSEqC motor etc Contact with signal distributor or broadcaster Cable or Air Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process E Established Error A Video error B WEE CEN symptom mA A8 A9 Check color by input x Check and replace External Input Y en ONEN BOLT LVDS and Replace module contact SALA N Condition Check error color input A10 Check Test pattern Check device and Replace Main B D cable RGB Check external HDMI DVI device and Cable error cable normal Replace Main B D Copyright O 2012 LG Electronics Inc All r
66. erial Adapter UC 232A RS 232C cable PC RS 232C port Caution LJ21 chassis support only UC 232A driver only use this one 2 MAC Address amp Cl Key Download Set Cl Key path Directory at Start Mac amp CI Download Programme Com 1 2 3 4 and 115200 Baudrate Down Load Setting F Select Scanner ei Ve Port Connection D CANCEL Scanner Seting 2 oue Mee nun 2 D Port Baudrate PCRAID Eed MAC Address Setting Start MAC Address End MAC Address Function PO Par ad pa par a al E save co Change Model F5 sorgen 4 Ee SEN GP4 LOW MAC Address Message Cl Return Message 5 Port connection button click 1 Push the 2 MAC Address write At success Download check the OK 3 Start CIt Key Download Push the 4 Check the OK or NG IN START Name GP3 MSTAR 1 Adjust ial Number SKJY1107 Li ADC ac i S W Version 01 00 00 01 3 Pow MICOM Version 3 00 6 1 Ee ge Country Group Co SPI Boot Version 3 01 02 System 2 Country Group OT Version 100 15 odel Number D L Country FRC Version 0 56 7 Test Option 2 Area Option R LED Version 13 3 Cow ADC 3 Tool Option EDID Version RGB 0 02 read Spectrum Tool Option1 EDID Version HDMI 0 02 E Level Tool Option2 Chip Type SATURN 7R h Stable Count Tool Option3 Ni Fi Version 1 0 12 ODC Test Tool Option4 Adjust Check 1 Country soup Press OK to Save 04 Wi Fi Channel du Tool Option5 Wi Fi
67. from accidents resulting in personal injury from electrical shocks It will also protect the receiver and it s components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with the specified When replacing a high wattage resistor Oxide Metal Film Resistor over 1 W keep the resistor 10 mm away from PCB Keep wires away from high voltage or high temperature parts Before returning the receiver to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer C
68. ge of each output of Power B D Check ST BY 3 5V Replace Povver B D Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established B Power error E Off when on off while viewing power auto on off Revised date 0 8 14 Y Replace Main B D Go Ena N symptom Y Fix A C cord amp Outlet A13 and check each 3 phase out Check outlet A14 Check Power Off Check A C cord Mode Check for all 3 phase power out Replace Power B D If Power Off mode is not displayed Check Power B D voltage Replace Main B D Caution Check and fix exterior of Power B D Part Replace Power B D Please refer to the all cases which Power oi list SEBES can be displayed on power off mode CONGUE E E SE OFFTIMER Povver off by OFF TIMER Gja EE SLEEPTIMER Power off by SLEEP TIMER POWEROFF INSTOP m off by INSTOP KEY Abnormal POWEROFF _ABNORMAL1 Power off by abnormal status except CPU trouble POWEROFF CPUABNORMAL Power off by CPU Abnormal Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established C Audio error PS enn symptom No audio Normal video A15 A16 N Check user N Check audio B o audio orma Screen normal dial Iaa ael oltage Speaker off
69. ht 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS kag Option name of this page because of Hong Kong E TS NPU miss x CI_MIVAL_ERR FE TS DATA 0 7 T2 DMOD CAM AR1905 33 Mp CO FE TS DATA 7 WBPI LIX FE TS DATA 6 B a FE TS DATA 5 1 unc ta lt I FE TS DATA 4 S S Ed a AR1906 33 ol MDIL3 Co FE_TS_DATA 3 E MBA ACE FE TS DATA 2 3 MDI 1 c FE_TS_DATA 1 EI E FE_TS_DATA O AR1904 33 MISTRT _ Kl rg rs SYNC lt lt FE TS VAL ERR R1929 CI merkr lt A 0 FE_TS_CLK OPT R1928 0 L Ee e Ah T HOS uc Hj 3 3V_CI CI DET 101902 c1913 0 luF 16V TOSHIBA 1A1 PCM A 0 01T0742440D 2Y4 1Y1 CI ADDR 7 4 1A2 2A4 PCM A 1 CI ADDRIGJK PCM A 2 CI ADDR 5 4 PCM A 3 CI_ADDR 4 lt CI_DATA 0 7 TC74LCX244FT AR1907 33 gt CI_ADDR 0 1Y2 PCM A 7 2A3 gt CI_ADDR 1 1Y3 PCM A 6 2A2 gt CI ADDR 2 1Y4 PCM AIS 2A1 gt CI_ADDR 3
70. ights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process i Established Error A Video error date 2012 01 14 LCD TV symptom Vertical Horizontal bar residual image Eevisedidore BEEN 6 14 light spot external device color error Vertical Horizontal bar residual image light spot Replace AT CG A8 A9 Check color condition by input Check external External Input device lge Component connection p RGB Cable HDMI DVI condition Request repair for external device Check screen condition by N input S EE VOIIDI External Input Connect other external Component device and cable RGB Check normal operation of HDMI DVI External Input Component RGB and HDMI DVI by Y S W Upgrade connecting Jig pattern Generator Set top Box etc orma N Connect other external creen device and cable i Check normal operation of External Input Component Y RGB and HDMI DVI by connecting Jig pattern Ena Generator Set top Box etc Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error B Power error date MNAE symptom c A11 A13 DC Power on Reol Check P Check Power eplace by pressing Povver Key Sino Power Power LED On Remote control i LS AL B D Stand By Red Check Power cord Replace Main B D was inserted properly Measure volta
71. ining and service purposes 5 4 HDMI Input PC DTV remm me ox om ms zw xl 3 720400 am 70e es nos O9 3 emu aan an en maen O 4 soo zm an 409 mee O s were am an men maen O s sra aam mm mn ESA O 1 wore oe am mea VESNWXON O 1 mou sa 1 5 om sve 3 mou an an om amer 3 me am an om Lamae 4 mom za so 7 amp 5 mme s mom 450 909 7 amp 5 mmm s mom 49 an om owr lem aus 500 7425 mme JO s eme an an 7425 mme 9 mmm an an om mme 10 mmm am an mn mme mmm erso an men mme el em va mn mm howo al em on 249 7 amp 5 mme ul mmm es 25976 om mme el mmm sus 30 745 mme Copyright 2012 LG Electronics Inc All rights reserved 9 LGE Internal Use Only Only for training and service purposes 6 Video resolutions 3D 6 1 HDMI Input 4 toe ers Je uns mmer Side by Sare Top and botom emm Jas Ia on mmer Side by Sidetraln Top ana Botom emm e razas mme Side by Sidetraln Top and Botom o emm 29125 a vazas HDTV 1080 Side by Saat Top ana Bottom 6 2 RF 3D Input DTV H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1280 720 37 500 74 25 HDTV 720P Side by Side Top amp Bottom 1920 1080 28 125 74 25 HDTV 1080 Side by Side Top amp Bottom
72. it for 6 seconds O K 4 Confirm that R G B value is lower than 10 of the Raw Data Sensor data Back light If after 6 seconds R G B value is not lower than 10 replace Eye Q II sensor 5 Remove your hand from the Eye Q II sensor and wait for 6 seconds 6 Confirm that ok pop up If change is not seen replace 4 4 IR emitter inspection Eye Q Il sensor 1 Start 3D pattern inspection 2 If IR emitter signal is correctly received to IR receiver the sud an Ji lamp of IR tester turn on Backlight 75 S Sensor Data 136 U Backlight 80 IR Tester Fig 2 Fig 3 IR Tester Lamp turned offiNG IR Tester Lamp turned on OK Copyright 2012 LG Electronics Inc All rights reserved e TA LGE Internal Use Only Only for training and service purposes 4 5 Outgoing condition Configuration 6 2 Comand Set When pressing IN STOP key by SVC remocon Red LED are blinked alternatively And then automatically turn off EEPROM WRITE 8dh n T mbytes Write n 1 16 EEPROM WRITE AOh 84ht bytes VVrit 1 16 Must not AC power OFF during blinking Ah k EA Description FOS Default write lt mode data write Vtotal V Frequency Sync Polarity Htotal Hstart Vstart O 5 HI POT Test Phase 5 1 HI POT auto check preparation Data write Model Name and Serial Number write in EEPROM Check the POWER cable and SIGNAL cable insertion condition l 6 3 Method amp notice 1 Serial n
73. l A A e N gh N lt E S R HDMI 2 v v D821 y y D822 e MMBD6100 MMBD6100 O m e a emm R8BAL R888 R885 i 2 7KS 2 7K ES IK 2 7K a T A Y A 506 Spa UJ DDC_SDA_2 DDC_SCL_1 DDC_SCL_2 For CEC R855 100 HDMI _CEC CEC_REMOTE_S7 LG ELECTRONICS MODEL arat sra2 BLULK SHEET LGE Internal Use Only R2831 0 10K gt COMP2 R IN OPT OPT R2826 C2811 R2833 D2816 470K 1000pF 12K 5 6V lo R2832 10K t gt COMP2_L_IN OPT OPT Se R2825 C2810 R2834 JK2803 D2815 470K 1000pF 12K PPJ234 05 5 6V y RD E LUG 3 3V_Normal L A RD O SPRINS 2 7 R2841 RD CONTACT e E R2842 1K WH O SPRING e gt COMP2 DET OPT D2818 c
74. m A 40 BLM18PG121SN1D T s C2403 C2404 0 1uF 1000pF LED B LG LOGO o A Lov dod R2413 peu SK JP2409 gt LED_R BUZZ OPT C2410 IR OUT SA T P 1T3 5V ST R2426 3 3K IR lt C2407 sio 100pF D sov T 5 48VTO5 76V SECRET LGElectronics P2400 12507WR 10L LG ELECTRONICS MODEL es 1s7im BLULK TROL_W O_IR E SHEET LGE Internal Use Only GPAR GLOBAL TUNER BLOCK RF SW OPT R2603 0 ERR OR amp FE TS VAL R2627 OPT OPT IC2601 74LVC1G08GW 3 3V TU OPT C2640
75. ne e See DDL MOD G 315 HPD1 Cc HOTPLUGA GPIO19 le HALF NIM EU NON T2 SCH DD10 LAN G Ce R4004 AD2 0 MIUVDDC DD DDR G SHA gt IF AGC MAIN s G AE2 J15 C4065 es G ES OPT m emm 0 047uF AVDD2P5 e DD2P5 ADC 1 G ad R4001 _ADC_ TUNER 0 25V emus uam degt ee eg et ssc umm tems jam Ae OS mam dee mati iesu ume Yolen a iq WTO TES ARE K HALF NIM EU NON T2 We DD2P5_ADC_2 G E I2C SCKM1 GPIO75 EDS gt TU SCL E E S DD2P5 ADC 3 G E I2C_SDAM1 GPIO76 TU_SDA a SS DD25_REF G 6 L I Close to MSTAR b Y17 3 xD C261 22pF DD25 LAN G E AGI Il li v18 G H10 ES SS y X201 AVDD2P5 MOD Ki DD MOD 1 G R5 as 24MHz 6262 22pr U19 E MS 8 pj PM_MODEL_OPT_1 LUGB GPIO20 N DD_MOD_2 G 3 gt G a REO E 65 D7 OPT R297 0 SEDET A RXCCKP SPDIF_IN GPIO PS Crs G d ACI G D6 W14 L8 acio RXCCKN SPDIF OUT GPIO153 DY SPDIF OUT AVDD253 PGA wis DD25_PGA G a oj Normad 2 dv e SE i se RXCO G AC11 E3 UT L12 FEES RXCIP USBO DM SS AVDD_NODIE e DD NODIE G 3 RXCI USBO DP e ies ie e 2 5V_Normal ADDS G AE11 SIDE USB A vipa L7 L18 RXC2P DD_DVI_USB_1 G e RXC2 USB1_DM Se SIDE USB1 DM ee nen RR ai DD_DVI_USB_2 G ADS DDCDC DA GPIO28 USB1 DP SIDE USB1 DP e e DD3P3_MPLL G S aes DDCDC CK GPIO27 gt AMP SCL DD_DMPLL G 7 HOTPLUGC GPIO21 AMP_SDA C269 e C270 C271 C273 C274 G C8 R213 22 DVB S 10uF em0 1uF 0 1uF 0 1uF
76. opyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes rer Leakage Current Hot Check See below Figure Plug the AC cord directly into the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5 K 10 watt resistor in parallel with a 0 15 uF capacitor between a known good earth ground Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5 mA In case any measurement is out of the limits specified there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter Good Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict
77. put ports is different by model In case of the RGB DVI Audio input Audio Input 2EA See GE Some models LD21A LD21C are not supported Component amp AV s audio input is used by common port 10 Ee EMF JPEG MP3 DivX HD 12 USB 1EA or 2EA DivX HD LM58 CM96 2EA For SVC download L S56 L 835 C846 LS 34 LM34 1EA CI UK Finland Denmark Norway Sweden Russia DVB T Spain Ireland Luxemburg Belgium Netherland Cl France Canal Italy DGTVi 13 DVB CI Switzerland Austria Slovenia Hungary Bulgaria DVB C Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise Copyright 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes 5 Video resolutions 2D 5 1 Component Input Y Ca Ps Cn PR s mum sr Ian o Lamae s umm an am ns Im nimm ae Ian nom Im 5 2 RGB Input PC HD Model vient vient Piel dock DDC 640 480 31 469 59 94 25 17 VESA VGA 800 600 37 879 60 31 40 00 VESA SVGA 1024 768 48 363 60 00 65 00 VESA XGA 1152 864 54 348 60 053 80 00 VESA 5 3 RGB Input PC FHD Model MO o o o o 2 mw nm Inn Jas os Le s fowo sien se Ian ween Le 4 wveo sm an Ian ween Te ole nm Ian Jensen Te e usrea nm Jam Ian wa O ee om am en men e alem ers e ms am O Copyright 2012 LG Electronics Inc All rights reserved B LGE Internal Use Only Only for tra
78. roceed as shown in the solution manual i a related to nose In the Owner s For models without any fix information anuai provide the description Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process m F Exterior defect a menn mm Emererdetect Revised aate gt Replace module Zoom part with exterior damage Replace cabinet Replace remote controller controller ef ade Replace stand Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 14 14 LGE Internal Use Only
79. rol 7 Push the IN STOP key For memory initialization 2 3 4 5 Na a XX Case Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key 3 Push Power on key 4 Function inspection 5 After function inspection Push In stop key Case2 Function check at the assembly line 1 When TV set is entering on the assembly line Push In stop key at first 2 Push Power on key for turning it on gt If you push Power on key TV set will recover channel information by itself 3 After function inspection Push In stop key 3 Main PCB check process APC After Manual Insert executing APC Boot file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uli ity V4 1 8 i i Device Load Auto B P V Restore HOCH Checksurn EE F Uruzed Hyliix Start Addr n nnnnnn End Addr UckkERE Batch File e Ott C OFF Elapsed Time ae USB 450KHz Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 11 Kisi K Seja Dis Con _ oMStar ISP Utility V4 1 6 S lt gt
80. s S s 2 e GND 13 8 1 e R240 68 C221 0 047uF Y3 C249 C253 czse Y caes Y s E 3 Bim d S 1 E e E22 U9 GIN2M GND_14 TTE R241 33 c2221 10 047uF vi AES EE TUF ep H Lukas 1 OUF e 5 9 GQ Sa S M F8 x U10 R242 68 C223j0 047uF Y w3 AC6 HE ET 7 U11 e BIN2M Ss co o N e GND 16 C224 1000pF WI Sp z Sa S 2 5 8 UL 2 SOGIN2 H P OUT N N N lt lt E y GND_17 AA6 zc o o o o o o o 9 U13 EARPHONE_OUTL F HP_LOUT e ca GND_18 33 EARPHONE OUTR DX HP ROUT e e e e GND 19 CVBS n OUT R244 33 C225440 047uF L eS a DCN J H8 z U15 Peon R245 33 c226ll0 047ur q va 3 E T wel U16 u 5 AVDD DDR1 55mA sc1 Cuba IN CVBS1 2 e CND 21 R246 33 C227440 047uF Y wa C6 N21 U17 OMP2 Y AV CVBS IN ans CVBS2 ET RXD 0 RP GP SS e lt EPHY RP x20 R18 vs CV8S3 ET TXD 0 TP GP e EPHY TP T 4x22 v9 aaa SYPSA A6 T 21 kb v10 I Ve CVBS5 ET RXD 1 RN GP d lt EPHY_R ia mm ee el t e Mod G El aa CVBSOUTO ET TXD 1 LED1 GP SOC RESET 7 mo V12 DTV MNT VOUT 7 CVBSOUTI M e Sek i ao a a a a C203 ET_TX_CLK TN GP EE t3 5V ST E 1000pF e R252 68 T RA pes E C3 s s s a a a a s a i a a W16 V17 ET TX EN GP Gu m eal A G E S A3 R264 R265 R262 R263 ecl H W opt vej T B3 49 9 49 9 49 9 49 9 ETHERNE 4 5 e T18 E8 ET_MDIO
81. s starting l d TV Software Upgrade E TV Software Upgrade COMPLETED eise Eaa The TV will restart automatically in seconds UPGRADING Do not unplug 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select Tool Option 1 and push OK key 3 Punch in the number Each model has their number LGE Internal Use Only 3 1 ADC Process 3 3 EDID data 1 ADC 1 FHD RGB EDID data RGB input only LD21B support Enter Service Mode by pushing ADJ key lol1 2 38 4 s5 e v 8a e A B c p t amp E F Enter Internal ADC mode by pushing gt key at 7 ADC 00 OO0 FF FF FF FF FF FF OO0 1tE 6D a b Calibration c o 03 68 AO 5A 78 OA EE 91 A3 54 4C 99 26 150 54 At 08 00 31 40 45 40 61 40 71 40 81 80 0101 01 01 02 3A 80 18 71 38 2D 40 58 2C AO 5A 00 00 00 1E 66 21 50 BO 51 00 1B 30 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A SE tE
82. socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged eas ily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test Copyright
83. t A_DDR3_DOL 2 DDR3_DOL 2 ECH B MDQL2 B MDOL4 X 1 SS SS CD A MDOLA A MDQL3 525 2 DDR3_DOL 3 DR3 DQL 3 Ce B MDQL3 B MDQL5 85 CD A MDOL5 A MDQL4 r14 2 DDR3_DOL 4 DR3_DOL 4 ds B MDQL4 B MDOL6 CD A MDQL6 A MDQL5 ES A DDR3 DQL 5 DR3 DQL 5 33 B MDQL5 B MDQL7 C dd CD A MDQL7 A MDQL6 51s A PPR3 DOLI6 DR3 DOLI6 SS B MDQL6 n HS A MDQL7 A DDR3 DOLI7 DDR3 DQL 7 B MDQL7 B MDQUO lt _ mM A gt A MDQUO d b B MDQUI lt E D G G e Ss CD A MDQUI A MDQUO 529 A PPR3 POUIO DR3 DQU O 28 B MDQUO B MDQU2 X SS E2 LD A MDQU2 A MDQU1 See A DDR3 DOU 1 DR3 DQU 1 SE B MDQUI B MDQU3 1 PE m CD A MDQU3 A MDQU2 237 A_DDR3_DQU 2 DR3_DQU 2 ED B MDQU2 B MDQU4 lt lt A2 gt A MDQU4 A MDQU3 ee A DDR3 DQU 3 DDR3 DQU 3 H5 B MDQU3 B MDQU5 58 eA gt A MDQU5 A MDQU4 SN A DDR3 DQU 4 DDR3 DQU 4 53 B MDQUA B MDQU6 X 1 Pe ES CD A MDQU6 A MDQUS DH A_DDR3_DQU 5 DR3_DQU 5 See B MDQU5 B MDQU7 X Jl gt A MDQU7 A MDQU6 ezo 2 DDR3_D0U 6 DR3_DQU 6 23 B MDQU6 A MDQU7 A_DDR3_DQU 7 DR3_DQU 7 B MDQU7 0 e IHE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC WHEN SERVICING IF 15 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectroni
84. t Mode a Product ID xb 00 40 Component1 Input 4801 MODEL NAME HEX EDID Table DDC Function ad 00 10 Adjust 480i Comp xb 00 60 RGB Input 1024 768 only LD21B HD FHD Model 0001 01 00 Analog Digital ad 00 10 Adjust 1024 768 RGB only LD21B aa 00 90 End Adjust mode b Serial No Controlled on production line Required equipment Adjustment remote control c Month Year Controlled on production line ex Week 01 gt 01 3 2 EDID Download Year 2012 gt 48 fix After enter Service Mode by pushing ADJ key d Model Name Hex Enter EDID D L menu cf TV set s model name in EDID data is below Enter START by pushing OK key MODEL NAME HEX Caution Never connect HDMI amp amp D sub cable when EDID 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 LG TV downloaded e Checksum Changeable by total EDID data FHD pos Ea c HDMI Block0 43 5C Check sum 23 E ES Hex Block1 13 EH O3 HDMI3 EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group EDID D L 6 Area Option 7 ADC Calibration 8 White Balance f Vendor Specific HDMI 9 10 Point WB 10 Test Pattern Input Model name HEX HDMI 78030C001000 12 Sub B C 13 Touch Sensitivity Setting HDMI2 78030C002000 HDMI3 78030C003000 Copyright 2012 LG Electronics Inc All rights reserved te LGE Internal Use
85. t components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper
86. umber D L is using of scan equipment 5 2 HI POT auto check ee mE 2 Setting of scan equipment operated by Manufacturin 1 Pallet moves in the station POWER CORD AV CORD is E i tightly inserted 3 Serial number D L must be conformed when it is produced in 2 Connect the AV JACK Tester production line because serial number D L is mandatory by 3 Controller GWS 103 4 on D book 4 0 4 HI POT test Auto If Test is failed Buzzer operates Manual Download Model Name and Serial Number If Test is passed GOOD Lamp on and move to next proc If the TV set is downloaded by OTA or Service man sometimes ess automatically model name or serial number is initialized Not always There is impossible to download by bar code scan so It need A Manual download SE EE 1 Press the Instart key of Adjustment remote control 1 Test voltage 2 Go to the menu 6 Model Number D L like below photo Touchable Metal 3KV min at 100mA 3 Input the Factory model name or Serial number like photo 4 SIGNAL 3KV min at 100mA 2 TEST time 1 second case mass production I Name 1 Adjust Chack Mu s dial 3 TEST POINT er 01012001 3 PowerofStatus O Touchable Metal gt LIVE amp NEUTRAL Touchable Metal enin 3 01 12 5 System2 SIGNAL gt LIVE amp NEUTRAL SIGNAL sion 0 7 Test Option Press OK to Save 8 External ADC ne Level 11 Stable Count 12 ODC Test GR ael Spectrum 10 Sy 6 Model nam
87. ut 5 minutes prior to the adjustment 4 Model General Specification 1 Market EU PAL Market 37 Countries DTV amp Analog Total 37 countries DTV MPEG2 4 DVB T 37 countries UK Italy Germany France Spain Sweden Finland Nether lands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Kazakhstan Belarus DTV MPEG2 4 DVB T2 8 countries UK Denmark Sweden Finland Norway Ireland Ukraine Kazakhstan DTV MPEG2 4 DVB C 37 countries UK Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia SlovakiaBosnia Serbia Albania Kazakhstan Belarus DTV MPEG2 4 DVB S 29 countries Italy Germany France Spain Netherlands Belgium Luxemburg Greece Czech Austria Hungary Swiss Croatia Turkey Slovenia Poland Portugal Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Belarus Supported satellite 22 satellites HISPASAT 1C 1D ATLANTIC BIRD 2 NILESAT 101 102 ATLANTIC BIRD 3 AMOS 2 3 THOR 5 6 IRIUS 4 EUTELSAT W3A EUROBIRD 9A EUTELSAT W2A HOTBIRD 6 8 9 EUTELSAT SESAT ASTRA 1L H M KR ASTRA 3A 3B BADR 4 6 ASTRA 2D EUROBIRD 3 EUTELSAT W7 HELLASSAT 2

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