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1. C421 C446 Eo LI 10uF 0 1uF 10V 16V 24V A e e e e e gt SPK_L D501 1N4148W R519 R526 OPT 00V 12 12 L506 R527 C536 R535 opt A 10 0uH luF 3 3 C529 HEN 50V gt e 390pF NRS6045T100MMGK OPT 50 ue uu e e SPEAKER L o o eps 47u C521 C547 youu 50V DU TH mue e ms Seng V V F L507 3 3V Normal 50V 050 Y EE iere d GE R528 A A 1N4148W R520 R524 4 7K z C514 i i 7 1897 14 GE Z d 31 oo 0 90 e e e e e O sPK L A 22000p S 50V 53560pr ki SE L504 VU P e e ri a il eil Gil ci NAN ei Hele Nes d d CO m alaja d I lt lt ajaj i alma 28V vi Cie mim apa LALALA HA AOAO A A AH ANA TERIS zi Slo s2s ss s sis 9o a A AMP_RESET S Hm ajoolja a n anlolo ajlna m C506 p A 1000 El 50V 0 BSTIA 1 NC C522 9 e gt SPK Bi AUD MASTER CLK C512 SVluF e VDR1A 2 HERMAL VDR2A 525 e IuFW 125V RESET a 57 BST2A T sea M um mes 1 8V_AMP R A RES ap PGND2A_2 50 1N4148W 12 12 NRS6045T100MMGK 1 8V_AMP 0 1uF DGND 5 PGND2A 1 100V A 6 Ban 538 R529 A e OPT a 0 1uF 4 7K GND IO OUT2A_2 OE z e 5535 50v SPEAKER R 7 e CLK_ OUT2A_1 47uF cu a a 1502 El 7 to Gun 50V gt hd Q ECH C508 S vDD 10 J 3 PVDD2A 2 i 4 est F c4 AR 4 1501 H E
2. OPT D801 JK801 5V HDMI 1 5V DET HDMI 1 HDMI_ 1 A c 0802 B R830 R896 28C3052 HEDI 10K 1K E c802 R804 0 1uF 9 16V d 1 8K e gt ace So m 00 E DDC_SDA_1 OS DDC_SCL_1 R824 H HDMI CEC N o S y AH ed N pe H D z E a o Im et ZS CK DM E OO D0 HDM m D0 HDM gt D1 _HDM gt D1 _HDM OS D2 _HDM O D2 HDM Oy S DEE oo JK802 A HDMI 2 5V_HDMI_2 5V_DET_HDMI_2 SHIELD R828 0801 B 10K R895 2803052 HPD2 e 1K E Y c801 R803 0 L OP e e 16v 1 8K en Lege e o SC E 4 m DEN gt DDC_SDA_2 DD DDC_SCL_2 R815 0 HDMI_CEC Q mu oL m S y gt CK _HDMI2 m ls H e Oo db m a m CK _HDMI2 I D D0 _HDMI2 Es DO _HD 2 gt D1 D 2 O D1 HDMI2 E PASA f D2 D 2 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A I SYMBOL MARK OF THE SCHEMETIC Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purp
3. X1002 1 m z 32 768KHz E r 8 Oe ges o aA Ha T pee A X o n fy fy f ri H A E CT op NEW SUB 3 5V ST a e o o o R4034 o x1002 o E e RS e S 32 768KHz PO e e gt R4035 pall CRYSTAL EPSON Pn 4 7K R1034 EE A e A 4 7M CRYSTAL KDS 3 5V_ST La e o n R1091 10K a S m uN z 2 L o B amp S GND m S S x for Debugger 2 a zi O e M 14 Se rc ERU Warne EECH EE e d SV ST O Q el O Ve gt 5 NI s HI zi n H o x lt TOP SIDE for reset e MICOM_DEBUG MICOM_RESET 3 5V_ST ees A O z E 2 R1076 rr NEC ISP Tx A s A O e TN 2 o DI Xx El e MICOM_DEBUG ol QI m EM Qu R1078 22 DD NEC ISP Rx e mes d e ON ES MICOM_DEBUG FEN bs ei ae a 1003 R1010 422 gt es X X zl ze H 1 16W OCD1A SINJOININIE FS 1 MICOM DEBUG O a NJA MIT A e o R1081 2 A OD DINQNITN ZININ OW OC ALN Sues gt EDID_WP OCD1B AlN WM eil eil Alala wy v ery mae aa c MICOM DEBUG gt gt Ga a ARA Aa a aaa B Q1001 R1013 2 gt FIMDO 2503052 ICOM DEBUG E R1002 10K Se P60 SCLO y PILO ROL IENTE El iu NEC_SCL gt RL ON D D AN nM P61 SDAO0 2 POO TIOOO m NEC CONFIGURATION 3 i OPT og index P62 EXSCLO 3 POTS LOTO BOO dios ue R1006 ak AT NEC EEPROM SCL NEC ISP Tx D I Ker P63 P130 OPT E A E R1090 22 OPT NEC EEPROM SDA R1072 10K OPT e gt nec_rsp_rx R1084 AES ced P33 TI51 TO51 INTP4 5 IC10
4. 3 DDR 1333 NANYA NEW N3 AO VREFCA AO VREFCA P7 N3 P7 s 53 A1 3 AO VREFCA A P3 A2 Al A2 2 P3 N2 A3 VREFDQ A2 A3 VREFDQ P8 N2 P8 A Se A4 SEH A3 VREFDQ A P2 A5 A4 lan R8 P2 R A6 A5 o o e emm o e a a a a a a i emm EE ge Om Gin ES A EE VA A6 J R2 R8 7 Te m2 A T8 A8 A7 VCC1 5V_U3_DDR A DDR3 1 5V By CAP Place these Caps near Memory AVCC1 5V_U3_DDR as R3 E T8 Se A9 D 1 L7 R3 1 5V_FRC_DDR 1 7 A10 AP V x6 R7 210 aP Sg All V A10 AP e e All D_3 7 R7 L304 e sae D_4 xa es M n7 p Fa fa Fa Fa la la la la fa la Fa la lu la la Fa fa AVV e T3 A13 V 3 A12 S uda Z i S 35 n 5 o S o Bo S 4 S m 30 So 35 n 3 o 5 CaL o S 4 Sq 5 ms A13 D 5 T ome S o lo o o o o A A SS N N N Ne V NC 6 D TZ e se fom to fom un uo me 0 oO oi i fm MER ees 0m WE oi i C324 C325 D 6 E o lo S 6 o o o o o o o o oO o oO ol o CO SS SE o o o o oO OO oO o SU Sj SO M7 V 3 10uF 0 luF D 7 M7 QE 10v 16V gt V D 8 e o M2 V D_9 8 M2 a Close to DDR Power Pin N8 a 3 N8 M3 3 M EEN EE 37 V J7 V 7 37 K7 MN er m 8 em Seet eme eege 8 eg teg K9 V 9 7 eee PERS A V L2 MEC ae IS a L2 i V L kd K1 J3 v J3 i gt V 3 33 o 5 Tob ve ES K3 Ce x SAA S7M PLUS DivX MS10 A v L3 3 5 i 3 E z O C MVREFDO e C MVREFC
5. netLa G UOTE FE TS DATA 0 7 Option name of this page because of Hong Kong C S NP U pr mm rm rm eee rm rm em rm rm rm zm s n FE TS DATA 7 _MDI 7 CT FE TS DATA 6 _MDI 6 lt lt FE TS DATA 5 MDI 5 CT FE TS DATA 4 CI MDI 4 yat ee FE TS DATA 3 CI MDI 3 CI FE TS DATA 2 CI MDI 2 C FE TS DATA i cr MDI 1 C FE TS DATA O CI MDI 0 X AR1904 gt CI_MISTRT FE TS SYNC CI MIVAL ERR X JEE TS VAL ERR wenn ET lt rg Ts CLK D M H ee HOS F CI DET IC1902 TOSHIBA PCM A 0 2Y4 CI_ADDR 7 lt 1A2 PCM_A 1 CI_ADDR 6 lt PCM_A 2 TC74LCX244FT CI_ADDR 5 lt PCM_A 3 CI_ADDR 4 lt _ OITO742440D Ta 2A4 gt CI ADDR TY PCM A 7 2A3 CI ADDR TY PCM A 6 2A2 gt CI ADDR 1Y4 PCM AIS 2A1 gt CI ADDR CI DATA O 33 R1907 PCM D O CI DATA 1 PCM D i TIN CI_DATAL2 PCM D 2 SIN CLDATAT3 PCM D 3 pr p a a ide Jk cr_patat4 33 RI908 PCM D 4 d ON CI DATA S PCM D 5 a CI DATA 6 PC
6. Copyright 2011LG Electronics Inc All rights reserved 19 Only for training and service purposes LGE Internal Use Only IC102 NANDO1GW3B2CN6E NAND FLASH MEMORY S7M PLUS DIVX Ms 10 3 3V_Normal 3 3V_Normal A A LGE1
7. ba d FLAN ESL OY 5 20V 3 bis WO d 3 59V A y 12V 15V 3 5v ST 4 3 5V ST gt 3 375V FROM LIPS amp POWER B D PANEL POWER n c CU oce eap a zm zm 12V gt 3 58V 3 82V 3 68V Se A a Sei 18 5V gt 3 5V 3 75V 3 59V 100K 4 gt ia N EST D aim e e Zus Zum mom pe Ye 1C408 Dec Ronde 3K 3K KAT ar BE ato NCP803SN293 0 015uF C409 C438 C442 e a o 015ur C436 0 1uH 10uF New item PANEL DISCHARGE RES R402 POWER DET mmt 0 01uF Sg 16V a e PANEL DISCHARGE RES vec RESET 100 50V 25V 16v wl e e e 3 5V ST OPT 0409 wl e gt A RT1P141C T112 d A03407A i ERES n EN 3 8 oe 2402 E m pe SE GND PWR_DET_ON_SEMI CaA 9 o T PANEL VCC Q 0 1uF ag RA06 1 3 SS ie I F di 4 7K NORMAL_EXPEPT_32 NORMAL_32 L Cas me L e R401 T 5 P403 P404 L407 1 25V RL ON 10K Siet FW20020 24S FM20020 24 CIS21J121 24V e e I hd R404 gt Q A R431 Sx C451 PD 12V 28C3052 aZ ER 22K S 3 0 1uF Be AS s E L404 1 L407 Ate RM e 10409 CIS21J121 MLB 2 01209 0120P N2 OG uk OPT wen Roa Seres NCP803SN293 PD 12V C _ soe SS EN AO Ld R430 Gage R480 Hai yest SE o C418 ca26 TOK e B 0407 R405 lt R407 vcc RESET 100 MLB 201209 0120P N2 0 1uF 68ur DX 25C3052 C455 2 2K lt 2 2K 50v 35v C 0 1uF e e A 4 R429 RASE E 16V C412 POWER 424VQ 0 c401f C406 C408 PANEL CTL ANS B 9406 22K ae OPT 0 1uF gd GND PD 12V PWR DET ON SEMI 0
8. Established B Power error IEEE Off when on off while viewing power auto on off Revised date 7113 Replace Main B D Qe Replace Power B D Power B D symptom Y Fix A C cord amp Outlet A119 and check each 3 phase out Check outlet Ce A22 Check Power Off Check A C cord Mode Check for all 3 phase power out If Power Off mode Check Power B D gt Replace Main B D voltage Replace Power B D Caution Check and fix exterior of Power B D Part Please refer to the all cases which PoweroffList T si h REMOTEKEY Power off by REMOTE CONTROL can be displayed on power off mode play p POE OF NES OFFTIMER Power off by OFF TIMER POMEROFE SEE TIMER SLEEPTIMER Power off by SLEEP TIMER POWEROFF INSTOP Power off by INSTOP KEY Abnormal POWEROFF ABNORMAL1 Power off by abnormal status except CPU trouble POWEROFF CPUABNORMAL Power off by CPU Abnormal Only for training and service purposes 7 LGE Internal Use Only Copyright O 2011 LG Electronics Inc All rights reserved Standard Repair Process Established ero C Audio error Sate IET symptom No audio Normal video A24 A25 ZENS 8 Check user N Feld audio B EG Y Screen normal kast NA oltage Speaker off Power Board g Y N Cancel OFF Replace Power Board and repair parts N Check Disconnection Replace MAIN Board Y Replace Speaker Speaker disconnection LGE I
9. ke IC104 1 AT24C1024BN SH T IC103 1 CAT24CO8WI GT3 H RECV TV NC VCC VGE A1 WP WP A2 SCL LN I SCL anm em au A AA AA AA AA AA A A A AA AA AA AA AA A GM Ga Gg A ent anm dA cu A D A A AA AA AA A A Gea A AA AA AA A Gea Gg Ga A gt GND SDA SDA A am A A Ge Ge Ge AA AA AA A A AA A A GEE GP A I2C 3 3V Normal ANER EPROM ON SEME NER A S7M PLUS BASIC S7M PLUS MS10 S7M PLUS DivX S7M PLUS RM 1 Se gt zm zm zm mm zm zm zm zm zm zm mm a 3 3V_Normal e e e HDCP EEPROM 3 3V_Normal A Addr 10101 A SS ee EEPROM i o r R m lt b Ki Ki am am SO SO Mt D ei wm wm wn MN R156 cios L A DIMX e UE ELM HDCP EEPROM CATALYST OLD EEPROM_1MBIT_ST 0 1uF IC103 IC104 Sage E CAT24WC08W T C107 M2 4M01 HRMN6TP i PWM_DIM lt e PWM R113 0 1uF AMP_SDA 4 7K a RA R155 rl T AMP_SCL 0 CITT leng OPT A WP R127 4 7K I2C SDA 2 2u Famm 20 SEL WP I20 sCE A2 SCL 22 y R128 I LD650 Scan vss SDA SCL NEC_SDA SCAN BLK2 ee deen EE R111 22 fue ae NEG Wen Pond b 100 FRC_PWM1 R129 22 2C_SDA E ES SDA R112 22 xia ES R159 100 FRC_PWMO nea Tag SCAN_BLK1 OPC_OUT OPT J EE 8pF 8pF Me ee ee eee cee EENEG i OPT OPT l an a a a a e THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIA
10. 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC YL E LUG YL O SPRING Ke E CONTACT WH O SPRING SIDE CVBS PHONE JACK New Item Development gt SIDEAV_CVBS_IN SIDEAV DET R og CONTACT RD O SPRING RD E LUG PPJ235 01 JK9903 SIDE AV 3HOLE SECRET LGElectronics SIDEAV_L_IN gt SIDEAV_R_IN LG ELECTRONICS SIDE_CVBS 19903 EE BLM18PG121SN1D KJA PH 1 0177 e AY iji SIDE CVBS 5 M5 GND SIDE CVBS 29907 3 3V Normal C9907 D9901 d 75 100pF 30V OPT 4 ma ADUC30S03010L_AMODIODE em ch STDE_CVBS SIDE_CVBS 10K R9915 3 3_perger e R9311 1k c9901 IO PT Y 100pF 2 D9902 SIDE_CVBS 5 6V 6 6 g A ADMC5M03200L_AMODIODE SIDE_CVBS SIDE_CVBS 19902 STDE_AV_GENDER BLM18PG121SN1D R9914 e e
11. Copyright 2011 LG Electronics Inc All rights reserved OG 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 exposure 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 electrically 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 replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted
12. Connection pane See p 81 Scrolls through the saved programmes Adjusts the volume level Selects the highlighted menu option or confinns an mput ccesses the man menus or saves your input and exits the menus Changes the input source Tums the power on or off el 1 Intelligent sensor Adjusts the image quality corresponding to the surrounding environment 2 Touch Button You can use the desired button function by touching A8 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual moe A Video error_Video error video lag stop See 2011 2 07 symptom TUNER checking part Revised DEN ge Fr E un PON 15 F EE am J Ped al at LI E TZ Url erg gr i ua d H sa a EI WW z Fee CH e H bici T pit 0005 E a E a i i D z I Checking method 1 Check the signal strength or check whether the screen is normal when the external device is connected 2 After measuring each voltage from power supply finally replace the MAIN BOARD Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A9 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error S i d A Video error Color error Econ 2011 2 07 symptom Check Link Cable LVDS r
13. l A D rO NG CW TA ACI A and ave a mem Poweron gt 20v 24v mmm s e oe lpz D 9 e o A avem a mem a s em 6 eno E KA INES mw w Jl op e om s a HO es 10 Dali zi e LP mue DI aa fu ov Be LED N C EN Z fef maen Jl om ta op n s om te om inverter On oft w ev a tamm a am 2 ennen z ve fa Emorout 23 Lamp PSU without inverter y ss SS E G j Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A19 LGE Internal Use Only Standard Repair Process Detail Technical Manual E LCD TV B Power error _Off when on off whiling viewing Ge 2011 2 07 Content POWER OFF MODE checking method Revised DEN A22 IN START e 8 Model Name S2LE5400 UC Adjust Check Power Off Status Serial Number 001KCKJ5 461 ADU D in F BY AUTO OFF Power UIT Stati POWER_OFF_BY_AUTO_OFF SIW Version MICOM Version BOOT Version FAC Version IR LED Version 03 03 02 01 3 03 6 a EDID Version De An chip op HOMI 0 02 wl Host Ver iry Wireless B B Ver Wi Fi Version Wi Fi Channel Wi FiMAC 0 Debug Status 10 2 Stable Coun 10 POWER OFF BY ACDET O dh 11 POWER OFF BY AUTO OFF US qanm D XE AC Add TE ir ESN un ctm POWER OFF BY REMOTE KEY gt POWER dud 4 ACDET 6 POWER Entry method 1 Press the IN START b
14. 1139 Ee R114 D C1129 c 1 2 2K SAK 0 1uF R1EX24002ASASOA 10K 6V EE DEE 8 e EDID_WP e e RGB DDC SCL e e RGB DDC SDA C1127 C1128 R1141 18pF Ze 18pFa5 22 R1143 2 50V 50V 22 DSUB VsvyNc C C T 0 DSUB HSYNC CJ pe TE ER C C1122 DIT D1113 Sale D1116 68pF 68pF 30V 50V 5 6V 50V Ope 5 qv OPT OPT 30V OP DSUB_B C e e R1133 D1110 75 30V DSUB G4 lt e e R1135 D1111 75 30V e 3 3V_Normal i R1146 e 10K e gt DSUB DET R1147 DSUB_R CT e e 1K I D1112 D1117 1s Ko OPT e 99 9 e f l o Git a ajo S a ole z z o a Z I et U D oO OlH Za Ula a bal ojo II E il za gt Hof I I aQjajoa mjo mH o o o vj ajl 2 DID E aj a aj apo gt 1ala Xo x olajom zx m zi ooa a8 E ri o Le KN gt OX ri O da 0 x hb 0 DATE BLOCK res spprr ne GHEET 2 2 LGE Internal Use Only 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes RESA TYPE 3 5V ST TCLIOL MAX3232CDR c1102 0 1uF C1103 0 1uF C1104 0 1uF C1105 0 1
15. 2 A 5 5 Q3 OT A O Exchange T Con Board 2 lt Appendix gt Defected Type caused by T Con Inverter Module Exchange Module itself 1 sch A cO N O 2 Continue to the next page Copyright O 2011 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 Manual Continued from previous page wem Teen Se Meme Gwemuamun am one poner pa voasa stev sv me Lt S T B Power error Off when on off while POWER OFF MODE checking method e i viewing B Power error Off when on off while POWER BOARD PIN voltage checking viewing method Checking method in menu when there is no f audio C Audio error_No audio Normal video Voltage and speaker checking method when there is no audio C Audio error_Wrecked Voltage and speaker checking method in audio discontinuation case of audio error D Function error_ No response in Remote controller operation checking remote controller key error method 21 22 23 24 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual 2011 2 07 symptom A Video error No video Normal audio Check LCD back light with naked eye il ENS D D o D M MESA ALL MODELS we VA
16. DK 0xD7 0x 18 APP History Ver 3164 HOM OK 0xD7 0x9 POL DB LGD EF o ALLxN42 ET JxF3 OK 0x07 0xE9 3 cit Key OK 1C58E7247540B 100 E E 1440935 E gegart top 1990000 vent em Di i SR 341 de E Press the IN START with the remote controller for adjustment F Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes A7 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error A Video error os bar symptom residual image light spo LCD TV Content s Image shown may differ from your TV Only 32 37 42L KA5 32 42L K55 32 25 32 42LV34 32 97 4014 21471435 JARA YA TOA 32 37142 4 7 55 VAN Only 32 37 421 K45 32421 K55 Screen Established 5914 2 07 date Revised LCD TV connection en 1 ae 1 A8 Remote control and intelligent sensors Power Indicator Can be adjusted using the Power Indicator in the OPTION menu a Only d 322LV34 T TF 2 ken n i A ln d LU E PS a E g qo Speakers i Ej pe pi for 32 371 IES Je 5 3242 K55 i w RO a xi Touch buttons Except for 32 421 V 34 SC else PCMCIA Card Slot e t ERR AEREA Headphone Socket Except for 32421 V34 e T mi As the part connecting to the external input check the screen condition by signal pum Description
17. Enter White Balance by pushing gt key at 6 White Balance EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Country Group 5 ADC Calibration White Balance R Gain G Gain B Gain R Cut G Cut B Cut Test Pattern Reset 7 Test Pattern 8 EDID D L 9 Sub B C 10 V Com 11 P Gamma 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 DDC EDID Write RGB 128Byte Connect D sub Signal Cable to D sub Jack e Write EDID Data to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in advance 4 3 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack e Write EDID Data to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in advance LGE Internal Use Only 4 4 EDID DATA 1 FHD RGB EDID data j0 2 s 4 s e v s ola B C D E amp F O b O 1 All Data H
18. SIDE CVBS 10K SIDE CVBS I R990 SIDE_CVBS SIDE_CVBS D9903 C9906 R9917 470K DRON SIDE_CVBS 100pF 12K ADMC5M03200L AMODIODEL L EC 50 SIDE GUHS F BLM18PG121SN1D R9913 ie B e AU e e SIDE CVBS Y SIDE_CvBs 10K SIDE_CVBS D9904 SIDE_CVBS 9905 R9916 5 6V UR T 100pF 12K ADMC5M03200L AMODIODE 50V New Item Developmen 3 3V Normal R9904 10K R9912 SIDE COMP 1K gt COMP 2_DET D9908 SIDE_COMP 5 6V OPT JK9902 KJA PH 1 0177 5 m5 cup P 75 I 4 ma s D9907 gt COMP2_Y o SIDE_COMP 3 M3_DETECT 8 SIDE COMP D9905 WIR s 307 28909 R 6 M6 s gt COMP2_Pb SIDE_COMP SIDE_COMP SIDE_COMP 75 R9908 gt COMP 2_Pr D9906 30 SIDE COMP SIDE COMP MODEL T 22x DATE BLOCK expe sack SHEET LGE Internal Use Only CI Region CE SL
19. c MDQU2 L gt gt C TMDQU2 E gt ti gt C MDQUO FRC_L DIM RC_GPIO8 f cig FREE P aj ROS ES ceNboUi C MDQU gt C TMDQU6 c3 32 FRC SPI DO EEK ape sk 9 la o gt Z gt TMDQUO V_SYNC ABS AC14 R348 3 as gt C MDQU2 C MDQU Q FRC_DDR3_NC DDR2_DQMO FRC_SPI1_DI gt LrL DIM most l E C MDQU3 C MDQU4 DD gt C TMDQU4 R317 FRC_L DIM i ba i Q 22 820 yii AA16 gt C MDQUA FRC VSYNC LIKE RC SP gt FRC SPI SCK _ AR309 S7M R Y19 AA15 O C MDQU5 FRC TESTPIN RC SP FRC SPI SDI gt C MDQU7 OD C TMDQU7 C MDQU c MDQU1 DD gt TMDQU1 R317 1 Y10 R326 22 EROS gt C MDQU7 4 7K FRC_I2CS_DA 70 EE I2C SDA m e a L C MDQU5 gt C TMDQU5 FRC I2CS CK FRY sc A Gam ED AA AA AA AA AA AA AA AA AA A GE O Ga C MDQU3 gt gt C TMDQU3 S7M PLUS 292 AB15 R335 2 0 e FRC_PWMO E FRC_PWMO gt FRC_SCL FRC_PWM1 gt FRC_PWM1 SYY 22 FRC_SDA 3 3V Normal R OPT 3 3V_Normal S7M PLUS_S_FLASH_2MBIT_WIN A Me A Sen 4 1 IC302 Esad mas 223 W25X20BVSNIG e A gt 3D_SYNC_RF S7M PLUS o v Es 3D_SG R329 d Qi 10 O cs FRC SPI CS gt R330 10 DO FRC SPI SDO S7M PLUS S7M PLUS R328 CLK 10 FRC SPI SCK R327 DIO 10 gt FRC_SPI_SDI S7M PLUS 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 DEL NN PES LG ELECTRONICS LOCK HEET Copyright 2011 LG Electronics Inc
20. iS v m 100pF EN m A a S REI ES iod See E i ri E 3 3V Normal ia 2 ikea 3305 5 POWER 20 ERROR OUT a E AAA Jo R437 100 Sea SE SE F 1 1 2 Se B E 15K IE T al Vout 1 R R2 0 38 L M POWER 24 ERROR OUT ERROR OUT Ley 5 50v gt R2 NG v R420 00 e R449 56K NG P m 1 16 i 1 OES Oda lt MODULE PIN MAP gt ES Vout 0 82 7 E E E E ee D s V Normal ud CMO10 L IPS ree mm PIN No LGD CPSU amp AUO 10 Lamp SHARP S 12530209 3 UD No E FF or LIPS PSU PSU PSU PSU d EN wise EC Sod MAX 1A p 1 AOZ1072AI 3 Le GND GND GND GND GND 105303 Y 3 V SYNC i 10530409 3 scan 5i 2 o 5 V d o S V D e 18 INV_ON A DIM INV ON INV ON INV ON 10530509 scan Lk1 0PC OUT Oe Ven e e e e 52 60 ERROR Em Cp E gt gt emm a H NR8040T3R6N i 105306 lt _lorc_ 1C402 I Er out 2 5V Normal 20 VBR A NC c 26 32HD NC Err out AZ2940D 2 5TRE1 gt gt D E wr 26 32 52 PWM l A ea e IN DD PWM_DIM PWM_DIM ee Nc t SE A SE un C458 C460 EE 0477 Err_out 4 E SE V m TZi0ur ST10ur TUF 24 INV ON PWM DIM 60 PWM PWM DIM C432 GND D og IN 25V 25V T 16V Lu 5 e 16V 2200pF 23 GND GND GND GND GND L i L C466 N ep emm gt ap ow 02103 C440 p a C 1 Ou 0 luF z E LED MODULE PIN MAP gt latest update 20100618 gt Mante T v E min Pin OOmnmectuone zi S 32LE5300 TA 32LE4500 TA 32LE5300
21. receiver is returned to the customer Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 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 Q 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 unfores
22. 5 Do not defeat any plug 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 easily 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 damage 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 Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test
23. 5 minutes prior to the adjustment 4 Model General Specification Item 1 Market EU PAL Market 36Countries DTV T C amp Analog Germany Netherlands Switzerland Hungary Austria Slovenia Sweden Denmark Finland Norway Bulgaria DTV T amp Analog UK France Spain Italy Belgium Russia Luxemburg Greece Czech Croatia Turkey Morocco Ireland Latvia Estonia Lithuania Poland Portugal Romania Ukraine Analog Only 2 Broadcasting system 1 PAL BG 2 PAL DK 3 PAL 1 P 4 SECAM L L 5 DVB T C S ID TV Receiving system Analog Upper Heterodyne Digital COFDM QAM 4 e EE HDMI Input 3EA HDMI1 DTV DVI PC HDMI version 1 3 HDMI2 DTV Support HDCP HDMI3 DTV Audio Input 3EA RGB DVI Audio Component AV L R Input SDPIF out 1EA SPDIF out 1 Earphone out 1EA Antenna AV1 AV2 AV3 Component RGB HDMI1 HDMI2 HDMI3 HDMI4 En EN EA i 9 DVB T CI UK Finland Denmark Norway Sweden Russia Spain Ireland Luxemburg Belgium Netherland Cl France Canal Italy DGTVi DVB C Cl Switzerland Austria Slovenia Hungary Bulgaria Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise DVB S Cl Germany Astra HD Copyright 2011 LG Electronics Inc All rights reserved 6 LGE Internal Use Only Only for training and service purposes BENE ES U lt UJ 5 Component Video Input Y CB PB CR PR No Specification Remark Resoluti
24. 5V By CAP Place these Caps near Memory ld ded QN PP u pe Le n A m MS x Gei Ei a e E a mvreroo 7 a 7 e E gt A MVREFCA e e e B M HERGCA lt 1 e B MVREFDO lt e Nia qd o i se 5 p Q 5 oe Qi se SS o o 2 in fy fy fy lu fu fy fy fy m fy lu lu a fa fy a E E Ke El S N o o e 2 G o 4 39 Sie Sri PED Eom EUM Suo Su Sor E 3 9 3 ILS S 59 52 3 RE i m co E o p o e x 5 Q E m er p E o e 5 co 5 o E a E N E m e E bi b e N o S z Nee a E toe vs x E X S e ei N e R S e e S w7 N x x Dex a oy x i N M N e M M M M N N N A E D D o d En z E a i h e D EO i da SN Eos a l oO aA oleoleoleuoleuoleoleoleol leouol e oolooj l oo oo loo lo oojlo o o oo e ETT ST ETT EE vol Gol Gol Gol Gol Jol Jol olol al o d Q AE Oo M m Oo S er Oo m e Close to DDR Power Pin Close to DDR Power Pin L l DI I gt emm emm emm gt gt gt V V quc OLS IQCI202 KABI1G1646G BCH9 KAB1G1646G BCH9 DDR 1333 SS NEW DDR 1333 SS NEW N3 AO VREFCA VREFCA PT P3 Al Al A2 A2 N2 m A3 VREFDQ A3 VREFDQ P2 A4 A4 A5 A5 R8 A6 J A6 R2 A7 A7 T8 s em em et ed eg eg Se m Gei R3 A9 A9 L7 A10 AP A10 AP A VCC 1 5V DDR RT ag il N7 1 5V_DDR T3 A12 BC A12 BC A A13
25. B R1128 9 D OPT e 3904 F MMBT3904 F 1 O Cos c e e jo emm emm z M JK1102 PEJO27 01 SPRING ERMINAL1 _TERMINAL1 PN e T e PC R IN 992 812 R1107 N J _SPRING DITOl C1107 15K AMOTECH I00pFS R1102 5 6V 50V 470K R1110 _SPRING ORT 10K i R1108 ERMINAL2 15K CO N e jJ e M PC L IN 002 812 _TERMINAL2 D1102 C1108R1103 le 100pF gt 470K 5 6V 50V R1111 OPT 10K 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics SPDIF OPTIC JACK 3 3V_Normal 5 15 Mstar Circuit Application v ex nj H H o o o oO K m N o N IO CT E e o VINPUT SPDIF OUT a ES C1131 im C1121 002 T18 a 0 1uF TO OBE 16V P 50V JK1103 LG ELECTRONICS 5V_Normal D1115 ENKMC2838 T112 a k a f Lem ee e e R1140
26. B TMDOLO C B MDOLO D7 12 gt a mno17 22 A TMDQL1 Es _DQL1 DDR2_DQ7 B_DDR3_DQL1 DDR2_DQ7 E B TMDOL1 B TMDOL2 B MDOL2 B MbQUO TI 23 K1 m SS J3 AR1205 A TMDQL2 FEE DQL2 DDR2 DQ1 B DDR3 DQL2 DDR2 DQ1 SEE B TMDQL2 B TMDOL6 CT EEN B MDQU1 lt _ z5 A TMDQLO E B MDQU2 gt a mpovo A MDQLO gt gt Q A TMDQL3 ae _DOL3 DDR2_DQ10 _DDR3_DQL3 DDR2_DQ10 gt B TMDOL3 B TMDOL4 CT EE 22 75 med Open A MDQL2 gt A TMDQL2 A TMDOL4 213 _DQL4 DDR2_DQ4 B_DDR3_DQL4 DDR2_DQ4 ees B TMDQL4 25 B MDQU3 X Se e E A MDQL6 gt A TMDOL6 A TMDOL5 SC _DQL5 DDR2_DQ0 B_DDR3_DQL5 DDR2_DQ0 Se B TMDOL5 ARGE Se Ee do A TMDOL4 x E 3 MDOUS A MDOLA 3 gt Q A TMDQL6 ae _DQL6 DDR2_CKE B_DDR3_DQL6 DDR2_CKE 5 B TMDQL6 B TMDQU7 CT B MDQU7 anne B8 gt A MDQUA 22 A TMDQL7 _DQL7 DDR2_DQ2 B_DDR3_DQL7 DDR2_DQ2 B TMDQL7 B IMDQU3 CT B MDQU3 Q A3 53 AR1206 B MDQU7 lt gt A MDQU5 A15 G26 B TMDQU5 B MDQU5 G3 E E A MDQU7 gt gt DQU7 A TMDQUO E _DQUO DDR2_DQ15 DDR3_DQUO DDR2_DQ15 E B TMDQUO B TMDMU BRENU M gt A MDQU7 A MDQU3 gt A TMDQU3 A TMDQUI _DQU1 DDR2_DQ9 B_DDR3_DQU1 DDR2_DQ9 B TMDQU1 5 gt A TMDQUS B14 G24 E d A MDQU Q A TMDQU2 cU DQU2 DDR2 DQ8 B DDR3 DQU2 DDR2 DQ8 EE B TMDQU2 AR1218 A MDMU gt gt A TMDMU A TMDQU3 ner _DQU3 DDR2_DQ11 B_DDR3_DQU3 DDR2_DQ11 E B TMDQU3 B TMDQU6 lt B MDQU6 ET e 22 A TMDQU4 Ale _DQU4 DDR2_DOM1 B_DDR3_DQU4 DDR2_DQM1 eae B TMDQU4 B TMDQUO X B MDQUO De AR1207 A TMDQU5
27. Component connection E ace in p condition s HDMI DVI Replace Request repair module for external device Check Test pattern External device screen error Color error Check screen condition by l input External Input Connect other external 4 Component device and cable Replace RGB Check normal operation of Main B D HDMI DVI External Input Component RGB and HDMI DVI by Y A S W Upgrade connecting Jig pattern Generator Set top Box etc Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Established B UNS XX error E NEC symptom ymp No NA Re S Revised date date 6 13 A17 A19 DC Power on Check Y ormalN WH EI Y Replace Power LED OV pressing EE Operation On High m Power On Remote control B D Stand By Red Operating white N Replace Main B D Check Power cord was inserted properly N Measure voltage of each output of Power B D AA Replace Main B D Close Check ST BY 5V A18 Replace Power B D Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 6 LGE Internal Use Only Standard Repair Process
28. Electronics Inc All rights reserved Only for training and service purposes 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 connections 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 pa
29. FRC HDMI Position Resolution Interface Wafer Position Sub j j 4 22 Copyright O 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Main PCB 22 26LK330 50Hz Main processor DDR Memory Flash Memory Micom for Key IR sensing Audio AMP 5W 5W 22 26LK330_S7 Reused 11 Main IC LGE101 Mstar Tuner Type TDTJ S001D DVB T C Display Type Resolution LCD TV 1366 x 768 Interface HDMI 2EA Component 1EA AV 1EA USB 1EA Difference Without FRC HDMI Position Resolution Interface Wafer Position Sub Copyright O 2011 LG Electronics Inc All rights reserved 5 22 Only for training and service purposes LGE Internal Use Only Main PCB 32 37 42 47LK450 5042 Main processor DDR Memory Flash Memory LEE X o 8 Micom for Key IR sensing mh Wipes GT d S 4 Audio AMP 10W 10W IT 32 37 42 47LK450_S7 Reused 11 Main IC LGE101 Mstar Tuner Type TDTJ S001D DVB T C Display Type Resolution LCD TV 1920 x 1080 Interface HDMI 3EA Component 1EA AV 1EA USB 1EA Difference Without FRC HDMI Position Resolution Interface Wafer Position Sub Copyright 2011 LG Electronics Inc All rights reserved 6 22 Only for training and service purposes LGE Internal Use Only Main PCB 32 37 42 47 55LW4500 100Hz ME 2 ed Driver Power Main processor DDR Memory Flash Memo
30. G2 C MA11 gt gt C TMA11 AC25 rack No H7 G2 S DE een M TCON12 G 0 SE H7 A2 gt C MA2 XS BOP RLV6P G 7 EES gt RXAO a C MVREFDQ VREFDQ A3 gt C MA3 e C TMBAO REIS DR3_BA0 DDR2_BA2 BOM RLV6N G 6 ET gt RXA0 D7 FT Se A4 gt C MA4 T dee SMS C TMBA1 AD DR3_BA1 DDR2_ODT B1P RLV7P G 5 SES gt RXA1 C3 E R303 A5 C MA5 REMAS CMER C TMBA2 DR3_BA2 DDR2_A12 B1M RLV7N G 4 EES gt RXA1 c8 5s E A6 C MA6 om CEMAT Se B2P RLV8P G 31 Fn gt RXA2 C2 2 Soe A7 gt C MA7 EE gt C TMRESETB C TMCK ETA DR3 MCLK DDR2 MCLK B2M RLV8N G 2 RESA gt RXA2 A7 F um 2 22 d gt A8 gt C MA8 C TMCKE SS DR3_CKE DDR2_RASZ B3P TCON11 9 SDE gt RXA3 A2 zn SS A9 gt C MA9 io C TMCKB DR3 MCLKZ DDR2 MCLKZ B3M TCON10 8 gt RXA3 B8 C MCK C gt vW T gt C TMCK AD25 A3 B8 A10 AP gt Cc MA10 22 B4P TCON9 71 Ee gt RXA4 A3 x A11 gt C MA11 R308 Se B4M TCON8 6 COD RXA4 iud C MCKB NN gt C TMCKB C TMODT DR3_ODT DDR2_BA1 A12 BC C gt C MA12 22 ADS A13 C TMRASB DR3 RASZ DDR2 WEZ R309 AF4 AD23 C TMCASB DR3_CASZ DDR2_CKE CCKP LLV3P gt RXCCK C MCKE LW C TMCKE AD4 AE23 22 C TMWEB DR3_WEZ DDR2_BAO CCKM LLV3N RETI gt RXCCK R310 aod COP LLVOP BLUE 5 Xr gt RXCO VCC1 5V U3 DDR UD c MBAO C MRA SB CL O L C TMRASB C TMRESETB DR3_RESETB DDR2_A3 COM LLVON BLUE 4 Sy gt RXCO 22 gt C MBA1 C1P LLV1P BLUE 3 gt RXC1 L P AR305 AF25 gt C MBA2 C1M LLV1N BLUE 2 gt rxci C MCASB gt C TMCASB AF8
31. OF THE SCHEMETIC n Ly u TH oP EI ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IH LGE Internal Use Only Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes L DIM_LED DRIVER A 3 3V_Normal P2100 12507WR O8L R2102 10K H H OPT a a a t Ho lel R2103 gt due She gt 10K zi Chis Q a FRC_L DIM_REVERSE_SEL a P E a m a a m mH H H e lt L DIM_SCLK e LED DRIVER D7 L L DIM MOSI R4029 22 e e LED DRIVER D L SCL R4028 22 e e LED DRIVER D L SDA LED DRIVER D L V SYNC c2100 c2101 c2102 C2103 C2104 18pF Z l8pF el8pF l18pF 18pF 50V 50V 50V 50V 50V OPT OPT OPT OPT OPT THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION EE SECRET Lc ELECTRONICS DATE THE CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC Electronics SL LILK GHEE LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes TI solution RE gt 3D OPTION ALL AA OPTION 3 3V_Normal 3 3V_Normal A A P3401 12507WR 12L L3401 120 ohm 3 3V 3D SG s A GND 3D SG R341
32. aime gan ege amu rd geet me ae c um a ami ane sum Tc me engine ie ert emn Eege Gets Deg a bc coran Mc OE et conet Pn ap RE E dens CI DETEC 3 3V Normal 3 3v CI 3 3v CI 3 3V CI A A A L190 CICD2 e ES BLM18PG121SN1D E la A CI CD1 B o e TER kd E Om iG ase a or o al OPT C1901 C1902 d i R1915 gt CI DET o Lut 0 1uF e de 7 oe R1918 OPT PCM cp Cl Gd ED degt eg ll ee 8s en s nn o D c eer eg CI POWER ENABLE CONTROL 5V CI ON 5V Normal 01902 11902 A RSRO25P03 BLM18PG121SN1D S e e 9 TER e iz e o c SE R1923 c1912 S 0 1uF 2 10K z 0 1uF e usc r2 o o OPT 16V R1914 Ga zur 16v Gus L e 22K 16v OPT e e R1922 ASK IH 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Eri rj Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes R1913 PCM 5V CTH gt R1924 10K c E 10K B Q1901 e 28C3052 SECRET LGElectronics LG ELELTRONILS A Q DATE
33. leads 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 possible 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 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Copyright 2011 LG
34. m 1 16W 330K 5 oN R413 2200pF n E 5 2 C413 R436 C448 e 7 5K 3300pF I gt 1 16W 5 50V QM e _ R2 POWER_ON OFF2_1 O ER R le Jr R441 5 75K zx B A 0 165 1 8W au 7 a 13 7 TNS O Vout 1 R1 R2 0 8 z E Ne J _ 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 NN SYMBOL MARK OF THE SCHEMETIC Electronics Eri LG ELECTRONICS BLOCK romer sarcs SHEET LGE Internal Use Only rj Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes CRYSTAL_KDS
35. men A R3766 BALE RE 1 should be guarded by ground HALF_NIM_1 2V_DIODES S 2 No via on both of them E 1 10W 3 Signal Width gt 12mils C3740 C3741 Signal to Signal Width 12mils Please check multi Item 10 12 0 Shak 10uF i zs i TES AO 16V WR Ground Width gt 24mils HALF_NIM 10V eee ieee fee ee oe eM ee AP2132MP 2 5TRG P PE HALF NIM FULL NIM BCD Close to the tuner 1 2V 1 8V_TU ch R3748 1 a 10K 9 s80nA R3771 10K PG a S GND AAA A TUNER MULT OPTION cu A EE C3717 A FULL NIM BCD Pech BEER t xin sEMTEK 0 LUE ms TU3702 3 16v R3770 10K EN a Ei ADJ R3748 ROTES UDASSAL 2 El 7 e 0 TU3702 1 dE S 5 1K TA LOW TDVJ H101F H R1 FULL NIM zu VIN 2 T VOUT e R3769 10K VCTRL i NC FULL NI FULL NIM 5V Normal FULL NIM BCD S C3729 C3730 A 8 R3747 Laf med se 9 1K 10v a E D o d S 1005 4 zie 3 E e 4 C3701 1 J 4 EN E SC4215ISTRI A ee ve s Vo 0 8 14 R1 R2 x NC 1 7 GND FULL_NIM_SEMTEK FULL_ R3724 0 FE TS SYNC Cer TS DATA 0 7 EN T ADJ FULL M R3730 0 P3 ATSC 1INPUT A Aen FE TS VAL ERR TN vo FULL M R3731 0 gt FE TS CLK NC 2 NC 3 FULL NIM CHINA BES 0 FE_TS_DATA O e GP2R_AU_1INPUT_H_LGIT ULL NIM 4 zus20i1 4 H 103702 4 j T Reds 0 FE TS DATA 1 ER tesa Wa CIL TDTJ S101D Nd Y ULL_NIM R3728 0 3 FE_TS_DATA 2 zs KE TU3701 2 TDFR BO36F H ULL_NIM 5 UR 0 FE TS DATA 3 D Z forz NIM H R3726 o FE TS DATA
36. room 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 2011 LG Electronics Inc All rights reserved Only for training and service purposes 10 LGE Internal Use Only Standard Repair Process ES D Function error Bb ixi 200 249 symptom ih External device recognition error Revised date 11 13 Check technical information Fix information S W Version Check and fix external device cable t rnal Input and Component ecognition error gt Replace Main B D Replace Main B D Fix in accordance with technical information Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 11 LGE Internal Use Only Standard Repair Process Established Error date ircuit noise mechanical noise Revised date 12 13 Identify Check nose location of OR type noise Replace LED driver al Check location of noise Xx When the nose is severe replace the module For models with fix information upgrade the mE S W or provide the description x Mechanical noise is a natural phenomenon and apply the 1st level XX If there is a Tak Tak noise from the description When the customer does not cabinet refer to the KMS fix information and ade apply us sages by Sage then proceed as shown in the solution manual ju oe ing basis E ine descr
37. s0 ao st 00 1E 30 10 00 00 oo FO 00 aa 2029 z z ERES I I I I I I I DOMACICH sfo a I I I I d Circuit Block UJ N Data Input CO Power Input Z mm AJ OD e wo Fio so 3s 71 16 36 2 se se or 10 00 72 51 0018 Loo oo ve 02 a so 18 71 Liquid ITE Crystal 00 00 20 09 00 00 N N 2 N 4 N 6 Vcom NHI N43 N45 Detail EDID Options are below Product ID Adjust sequence Model Name HEX EDID Table DDC Function Press the PIP key of th ADJ remote control This PIP key is hot key to enter the VCOM adjusting mode FHD Model 0001 01 00 Analog Digital Or After enter Service Mode by pushing ADJ key then Enter V Com Adjust mode by pushing gt key at 10 V Serial No Controlled on production line Com O Month Year Week 01 gt 01 As pushing the right or the left key on the remote control Year 2011 15 fix and find the V COM value which is no or minimized the Flicker If there is no flicker at default value Press the exit Model Name Hex key and finish the VCOM adjustment MODEL MODEL NAME HEX Push the OK key to store value Then the message ab 00 00 00 FC 00 4C 47 20 54 56 OA 20 20 20 20 20 20 20 Saving OK is pop Press the exit key to finish VCOM adjustment Checksum by total EDID data m Ee check su
38. 0 00 CMD 1 CMD 2 Data 0 de gt 2 Check the method of Cl key by command RS232 ci 00 20 3 Result value i 01 OK 1d1852d21c1ed5dcx Cl key Value 7 Local Dimming Function Check Step1 Turn on TV Step2 Press P only key entrance to power only mode and Press Exit key Step3 Press Tilt key entrance to Local Dimming mode Step4 At the Local Dimming mode module Edge Backlight moving right to left Back light of module moving Step5 Confirm the Local Dimming mode Step6 Press Exit key Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 17 8 3D function test Pattern Generator MSHG 600 MSPG 6100 Support HDMI 1 4 HDMI mode No 872 pattern No 83 1 Please input 3D test pattern like below K 2 When 3D OSD appear automatically then select OK key 3 Don t wear a 3D Glasses Check the picture like below K 9 IR emitter inspection 1 Start 3D pattern inspection 2 If IR emitter emitter signal is correctly received to IR receiver the lamp of IR tester turn on IR Tester IR receiver IR Emitter inspection IR Tester Lamp turned off NG gt IR Tester Lamp turned on OK gt LGE Internal Use Only BLOCK DIAGRAM NI HIE SEND OS INO 41048 JIGdS lt NI OD Od 0 O IGNV Dd XL IHVN WAS Odd e S9U SAH god ansa NI HT SEAO AV LX INOudaa dOdH an LX INO
39. 0 R3411 R3412 R3402 2 7K 2 7K 2 7K RX Oo 100 gt M REMOTE RX 3D SG 3D SG 3D SG 3D_SG R3408 TX 100 i lt M_REMOTE_TX 3D_SG R3409 RESET 100 28 e M RFModule RESET T M 3D_SG FRE Q GPOIO O GPOIO 1 GPOIO 2 R3407 DC 100 08 e DC MREMOTE 2 e 3D_SG D O R3401 O O O DD 100 edi e DD MREMOTE 60Hz O O Hd GND 59 94 3D_SG s Hz R3406 O i O GPIO 0 22 hi 3D GPIO 0 3D SG 2 50Hz R3404 o i E GPIO 1 2 5 3D_GPIO_1 3D Ae RESERVED R3405 1 O O GPIO 2 22 lt 3D_GPIO_2 3D_SG RESERVED R3403 1 O EE 3D_SYNC 22 Oo 3D SYNC RF l RESERVED 1 1 O RESERVED 1 1 1 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 m LG ELECTRONICS DEL 2H ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC Electronics Copyright O 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes BLOCK SHEET 7 LG Life s Good LCD TV Repair Guide 11 years New Basic Models 1 Product Roadmap 2 Main PCB layout 3 Block Diagram 4 Interconnection 5 Standard Repair Process LCD TV EU Group LCD TV Research Department JAN 28 2011 Overview for 11 Year Model LCD TV Repair Guide 11 years N
40. 02 P20 ANIO fee Oy MET 10K CEC REMOTE NEC gt SCART1_MUTE R1073 10K P75 y ANI1 P21 Gens R1065 22 E D D 1056 22 T apr POWER_ON OFF2_1 lt e 6 uPD78F0514 R CEC_ON OFF D D MODEL_OPT_3 R1005 10K P74 7 ANI2 LE 22 R1057 22 OCD1B AMP_MUTE lt NEC MICOM MODEL1_OPT_2 LS J ss ae P73 KR3 ANI3 P23 J AMP_RESET 8 gt POWER_ON OFF1 MODEL OPT 0 R1023 22 P72 KR2 ANI4 P24 are ho TANE Soc RESET I gt OLP P71 KR1 ANI5 P25 R1052 10K INV cTL CI gt SIDE HP MUTE EEPROM for Micom RIDES P70 KRO ANI6 P26 3 5V_ST PANEL_CTL e KEY2 MODEL OPT 1 y T dte OL P32 INTP3 0CD1B ANI7 P27 e TOLVOL 1 OCD1B KEY1 IC1001 AT24C16BN SH B M24C16 WMNOT EE NC 1 vcc zi E x el eil Cl lol v l el ol elei bai nN SE 4 A Se NC_2 WP eil Dulli pl miala sna H 0 ES Kr te Te alejo EH o x x o x x m gt 3 B s OO Z Ho Grp A wm Gil ei 3 5V ST o zi RE NC 3 SCL n ace E S O Hill Hill ill ll El NEC EEPROM SCL NINIOINI OI MI ON CO OD Ak GND SDA NIOJ Ze Hl oy at A Aaj Ad d H SDA EE 21006 ALMH loi ol ola Als Ge e NEC_EEPROM_SDA AH Aa HI O VID e A Sn H RI e ou Tee EEPROM_NEC_16KBIT_ATMEL IJ CH bd EEPROM NEC 16KBIT STM ri A A di o M Qu Ay ef N N e 3 5V_ST A ml o e a e a de r a a a seggt Zoe Zeie Seet A M Zeen m Ei 3 5v ST A r x hicom MODEL OPTION Pi 8 a e 4 e d z E S A A o T e uo 17 o o9 Bo me uS eS E Evi SS pa e o AMP RE
41. 07DC RP S7M DIVX MS10 eui NC 29 l wann FLASH 1G NUMONYX 2 PF CEO ES LG D H Serial Flash c2 EAN60762401 ay 59 29 IC101 PCM D 0 7 PF CE1 E 3 us NC 27 rae E FEN 73 CHIP Config AUD_LRCH gt Lo 8 bit x x 45 AR101 c 5 1 07 PCM ATT Boot from SPI flash 1 b0 PCM D O U22 N2 19 44 EK Boot from OR flash 1 b1 GPIO143 TCONO SV DET HDMI 1 PCM D 1 T2 M2 Ce I 06 GPIO145 TCON2 5V DET HDMI 2 EG o 43 PCM D 2 T22 L22 o S GPIO147 TCON4 5V_DET_HDMI_4 a a RB 1 05 PCM_D 3 AB18 L2 x E 42 GPIO149 TCON6 ENSE R ACID GPIO151 TCON8 P SIDEAV DET HE R al v9 T3 CHIP Config gt PCM D 5 AC19 B S SE VV V 22 AUD SCK AUD MASTER CLK PWM1 PWMO PCM D 6 ACZO PF_CEO L 40 PCM_A 0 14 PCM DI7 AC21 K2 MIPS no EJ NOR8 4 h3 MIPS as host No EJ PAD Byte mode NAND flash GPIO36 UART3 RX CL M REMOTE RX en ae a 3 SG NC 7 NC 24 Y 123 x 39 Ga MIPS_EJ1_NOR8 4 h4 MIPS as host EJ use PAD1 Byte mode NAND flash EE GPIO37 UART3 TX gt M REMOTE TX LL LI IIl mm ap SG gt NC 8 NC 23 1 F MIPS EJ2 NOR8 4 h5 MIPS as host EJ use PAD2 Byte mode NAND flash H2 K20 ET RXER S A C101 38 Se e ji B51_Secure_no scramble 4 hb 8051 as host Internal SPI flash secure boot no scramble PCM_A v21 GP1038 L20 2 S 0 1uF VDD 1 VDD 2 B51_Sesure_scramble 4 hc 8051 as host Internal SPI flash secure boot with scarmble PCM A 2 Y22 GPIO39 M20 gt FRC RESET m 37 CH 3 3V_Normal 7
42. 0ur DI 28C3052 pe 16V 0 1uF 0 1uF sp 10 PD 12v m 16V Te Te VAR Sie _ OPT les INV QN S didi m a e e Power DET 12V 15V Babe 8 S Ke on d x v MLB 301209 01205 2 Err Qe V yn ae E E B HOWHR 18 INV CTL 1K D D R ed C404 C407 EIN V l e V 3 3 V N 3 3V_Normal o0ur SK Meo i 3 100 R426 e O rma A 16V 16V d prie OPT POWER ON OFF1 1074 mA L402 1 OFT o SLIM_32 52 EIN ss 7 crs21gi21 EE o x SS 12V 15V prote te a A 104 ast ee AAN ol SMAW200 H24S2 Eu o eais A IC405 1934 ma 3 B 10K INV CTI 3S m A HH AOZ1073AIL 3 z AS p 3 5V ST RUP C462 br L421 L424 S dE 2803052 Rad N 16V FLAN S DO o oc 6913501HE H L_ 10K 0 1uF 3 5 POWER_18_A_DIM OPT if 3 HM e e TH Ld D EM R451 0 EUM NR8040T3R6N ad POWER 22 A DIM e R485 0 L420 e e POWER 20 A DIM A DIM e des 5 o dioe Ge o L423 POWER ON OFF2 2 C469 C473 C485 POWER 20 PWM DIM R Zo EI 3 6uH un a int NAA 12 R456 ms 2 cur a 0 LUF a POMS 24 RUM DIM R484 PWM_DIM hd DEREMATE OM hd C457 c459 10K 16v 16V LOV R432 9 0 m f Sp NR8040T3R6N LOU 10uF COMP a e 1 0461 C468 C470 25v 25v T i R471 0 1 0UF 0 1uF one Ee 2 0 1ur 12K e POWER_22_PWM orm WM_PULL DOWN_3 9K 10V 16V 1C407 10 22uF 22uF Leg Rasa 2200RF esca Regs Ge SE TPS54319TRE C465 10v 10v C464 TO tur 2 lt i 16V PWM_PULL DOWN_ 1K S 0 01uF ao 50V aba 10463
43. 2 A Du v gt A MCKE S AR1202 N A TMBAO ad R3 BAO DDR2 BA2 B DDR3 BAO DDR2 BA2 Em B TMBAO B TMCASB lt _ B MCASB i gt A MCKH gt A TMBAL SS R3_BA1 DDR2_CASZ B_DDR3_BA1 DDR2_CASZ ee B TMBA1 B TMODT lt B MODT B MODT lt m A TMRASB pe RISE A TMBA2 R3 BA2 DDR2 A5 B DDR3 BA2 DDR2 A5 B TMBA2 B TMWEB C B MwEB VCC 1 DECUS B MRASB C 3 DE n A MCASB gt A TMCASB t Cer B MCASB CI a IC1201 2 IC1202 2 E A MODT gt A TMODT A12 D26 R1232 7 NT5CB64M16DP CF NT5CB64M16DP CF O A MRASB A TMCK R3 MCLK DDR2 MCLK B DDR3 MCLK DDR2 MCLK B TMCK f R1219 E 10K B MWEB C VCC_1 5V_DDR A MWEB gt A TMWEB CIT D25 g B TMDOSL lt _ AAA lt __ B MDOSL gt A MCASB A A TMCKB R3 MCLKZ DDR2 MCLKZ B DDR3 MCLKZ DDR2 MCLKZ B TMCKB T2 NL 56 E B12 E24 22 B MRESETB CT DDR 1333 NANYA NEW DDR 1333 NANYA NEW OO a MwEB R1231 A TMCKE R3 CKE DDR2 DOS B DDR3 CKE DDR2 DQ5 B TMCKE R1220 33 Jio aie g EE 10K RIZOS A EAN61857201 VREFCA A EAN61857201 VREFCA B TMDOSLB A B MDQSLB P7 RMS A T SC A 22 s A1 c 22 2 2 gt A MRESETB Bon C20 N25 R1217 B MDOSL CI F3 va 3 A TMODT R3_ODT DDR2_ODT B_DDR3_ODT DDR2_ODT B TMODT B TMDQSU CO VW B MDQSU G3 ps gt gt VREFDQ R3 VREFDQ A MDOSLB L_ gt VWW H A TMDQSLB A20 M26 8 B MDOSLB CT xA 22 A TMRASB 200 R3_RASZ DDR2_WEZ B_DDR3_RASZ DDR2_WEZ SC B TMRASB 22 P2 R1218 A5 AS SC R8 gt A MDOSL R1211 A TMCASB Xd R3 CASZ DDR2 BA1 B DDR3 CASZ DDR2 BAL ees B TMCASB B TMDQS
44. 4 12V 15V AUDIO R OUT D1607 R1606 120 ohm c1611 R1630 d A IN CASE OF SMALL 15V R le OR Ee RIS SCART PIN 8 NON_EU ia PD PSCOO8 O1 e e e R1618 JK1602 Am Nor OPT e vy gt sc1 COMP1 R IN R1687 L1603 10K C D1609 120 ohm c1612 5 6V R1631 OPT B OPT NONZRU R1607 330pF 12K R1675 OPT e e 01615 470K 50V yt ES 2K R1677 e OPT E 28C3052 10K R1695 E e R4207 Full Scart Cones S E SCART AUDIO MUTE opt OPT C N R1680 REC 8 A 3 5V ST B AR DTV MNT L OUT SC RE1 e AMA E 256 D1608 EU_OPT he EU_OPT Bee eee Q1613 5 6V L1601 C1609 C1618 DTV MNT L OUT SE E 28C3052 BLM18PG121SN1D 10009F 47000F EU_OPT ve E EU_OPT R1652 560 v BV Q1607 10K Hi oa 2803052 EU_OPT EE E e RTIP141C T112 EE e B Q1611 R1648 01610 28C3052 2K OPT LR t I IDTV MNT R OUT e SCART1 MUTE OPT R1681 E EU OPT EU OPT R1678 1K e LI602 EU OPT eege DTV MNT_R_OUT lt E t EU_OPT SRO GC BLM18PG121SN1D E c1610 SN 4700pF EU_OPT C1636 me 1000pF 01608 0 1uF F 28C3052 EU_OPT E 20V ad R1650 2K 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 NN SYMBOL MARK OF THE SCHEMETIC Electronics Eri MODEL ce2r DATE LG ELECTRONICS rj BLOCK Rear gacx SHEET Copyright
45. 4 N F LL NIM U Rosen 0 FE TS DATA 5 10 l E FULL_NIM R3122 0 FE TS DATA 6 FULL NIM CHINA DUE 0 FE_TS_DATA 7 t 5V TUNER A 3 3y Nor al Closd to the CI Slot 5V TU TU3702 2 34 3V TU T Size change m Size change TDTR TO 3 6F 200mA L3702 L3703 R3706 4 Z 0 MLB 201209 0120P N2 60mA MLB 201209 0120P N2 IH oP FILRE AND ELECTRICAL SHOCK HAZARDS Eri u N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR rj IH u CRITICAL COMPONENTS IN THE NN SYMBOL MARK OF THE SCHEMETIC Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics FULL_NIM_BR LG ELECTRONICS location movement 0929 Le HHA CALLO C3723 C3725 COLL 7 22uF 0 1uF 22uF 0 1uF 10 Tigy 10V 16V Add 0929 MODEL cez2r DATE BLOCK runer SHEET LGE Internal Use Only 1 8V_AMP 3 3V_Normal A IC404 AP1117E18G 13 r ER 120 mA gt R474
46. A 9 EN i l IC101 SE bg T2 E 2 3 E LGE107DC RP S7M DIVX MS10 12 N yi H o o S LO S a e o o 3 a F3 Ma gt moe n lt AR301 ES m M a MA AE1 w26 G3 F3 2 o S C MA9 DD C TMA9 C TMAO EP DR3 AO DDR2 NC ACKP RLV3P RED 3 E gt RXBCK 63 C MA2 gt C TMA2 C TMA1 AFI DR3 A1 DDR2 A6 ACKM RLV3N RED 2 woe gt RXBCK aa i C MAO 5 C TMAO C TMA2 DR3_A2 DDR2_A7 AOP RLVOP RED 9 gt RXBO C7 AE3 U25 B7 C7 C MBA2 C gt C TMBA2 C TMA3 NUM DR3_A3 DDR2_A1 AOM RLVON RED 8 SE gt RXBO B7 Se CLose to DDR3 LU CLose to Saturn7M IC wa C TMA4 Se DR3_A4 DDR2_CASZ A1P RLV1P RED 7 Fass TD RXB1 AR302 EE mm a eumd m mn ae eng me et m hl C TMAS EDS DR3_A5 DDR2_A10 A1M RLV1N RED 6 SC gt RXB1 E7 E C MA8 gt C TMA8 E C TMA6 EE DR3 A6 DDR2 AO RLV2P RED 5 ae gt RXB2 D3 T C MA6 gt C TMA6 C TMA7 ATE DR3 A7 DDR2 A5 A2M RLV2N RED 4 aoe gt RXB2 E C MA4 gt gt C TMA4 C TMA8 DR3_A8 DDR2_A2 A3P RLV4P RED 1 gt RXB3 E3 z EAN61828901 C MBA1 gt C TMBA1 AD2 Y26 F7 E3 C TMA9 DR3_A9 DDR2_A9 A3M RLV4N RED 0 gt RXB3 F7 T0 22 AD16 Y25 F2 7 5TO G63D 9 C TMA10 Ue DR3 A10 DDR2 A11 A4P RLV5P GREEN 9 SE RXB4 F2 Ss H O1G FR H9C AR303 C TMA11 SE DR3 A11 DDR2 A4 A4M RLV5N GREEN 8 gt RXB4 F8 H3 F8 c ma10 IDD DD C TMA10 C TMA12 DR3_A12 DDR2_A8 Hp RC_DDR_1333_HYN C MA12 gt C TMA12 us H8 H3 AC26 G2 H8 gt C TMA1 C MVREFCA VREFCA AO gt C MAO ace P TCON13 G 1 gt RXACK
47. A13 FK N M7 11201 R1215 S VY hd B TMAO AMM mao E E b C1225 ae Ge lies CS R1216 ES R1213 10uF 0 1uF I Aas A MA0 L_ gt _ WVV _1_ A TMAO 10V 16V B TMA2 sg 15 1 Cor d EAN61828901 37 Son AR1211 101202 K7 R L SR K9 E 5 ANA 4 ei z B TMA11 lt lt B MA11 ME i oe E cue SEP H5TO1G63DFR H9C EAN61828901 B TMA1 B MA1 s an AR1208 IC1201 B TMA8 lt B MA8 FH 1 gt A TMA11 DDR 1333 HYNIX H5TO1G63DFR H9C A B TMA6 C lt B MA6 SE 33 gt A TMA1 SC A AE gt 38 B MAO C 57 VREFCA B MVREFCA K3 DDR_1333_HYNIX A MA8 5 A TMA8 ARTATI B MA1 lt __ Al A MA6 C_D A TMA6 m B TMBAO lt B MBAO B MA2 CC P3 3s 7 A MVREFCA VREFCA AO gt A MAO 56 S7M PLUS DivX MS10 B TMA3 CT ETE 2 AR1203 Mt B MA3 lt A3 VREFDQ B MVREFDQ E I B TMA B MA5 8 A1 gt A MA1 C101 5 I B MA4 lt S A4 E gt A TMBAO TG A2 OD A MA2 AMBAG LGE107DC RP S7M DIVX MS10 B TMA7 CI B MA7 B MA5 CI das R1226 A MVREFDQ VREFDQ A3 gt A MA3 A MA3 gt A TMA3 56 eee R8 G3 AA gt a maa A MAS gt gt A TMAS AR1215 R2 9 1 his B MA7 lt A7 c7 R1203 AS gt A MAS A MA7 gt A TMA7 ua E B TMA4 TT B MA4 5 MAB e T8 1 zm ae UD A MAG M A TMAO SS R3_A0 DDR2_A13 DR3_A0 DDR2_A13 B TMAO B TMA12 CT Sead 5 R3 AR qa B MA9 lt A9 249 A7 gt A MA7 A TMAI Een R3 A1 DDR2 A8 DDR3 A1 DDR2 A8 Um B TMA1 B TMBA1 CT B MBA1 L7 E7 g SC A8 gt A MA8 BANET gt A TMA4 A TMA2 T R3 A2 DDR2 A9
48. ACT KEY SS Se OW ureu LON LOW LD420 HIGH LOW LOW TBD S IIC LED 09Y IIC Protocol amp No BUZZ ODEL_OPT_3 31 GPIO LED NON_GPIO_LED MODEL_OPT_3 34 a IIC LED 09Y IIC Protocol amp No BUZZ LE7300 GE HIGH LOW HIGH Low HIGH LOW TBD PWM BUZZ IIC LED For model that use LED Lighting used IIC LOW GPIO LED amp NO BUZZ PWM BUZZ IIC LED Using IIC for LED Breathing PWM Buzz S T amp IIC LED amp No Buzz amp LED Blink PWM LED For model that use LED Lighting used PWM Signal PWM LED Using PWM Signal for LED Lighting Ns J N J DATE 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 NN SYMBOL MARK OF THE SCHEMETIC Electronics Eri ELELTRONILS rj BLOCK mrcom rev a SHEET Copyright O 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes CONTROL IR amp LED FILRE AND ELECTRICAL SHOCK HAZARDS 3 5V_ST A e ___ EYEQ TOUCH_KEY R2405 SE fi d AE EYEQ TOUCH KEY O
49. AE24 gt C MCK C TMDOSL xem DOSL DDR2 DQSO C2P LLV2P BLUE 1 NGA gt RXC2 ES n ie b C TMDOSLB DOSLB DDR2_DOSBO C2M LLV2N BLUE O cm RXC2 Ay e e SS C MWEB gt C TMWEB 1 SE E gt Rxc34 r gt B AE AD gt C MCKB G MBAD ESTMBAD C TMDQSU Se DOSU DDR2_DOS1 C3M LLV4N 5 DO RXC3 22 E C MCKE C TMDQSUB DOSUB DDR2_DOSB1 C4P LLV5P EE gt RXC4 ANE gt AE11 CAM LEVON ERE 3 3V_Normal emm emm emm emm gt gt gt gt gt gt gt gt gt emm emm amp C MDQSL LW C TMDOSL ASEO OD C MODT 22 C TMDML AFG L DDR2_DQ7 A m lt U3 CHIP Config gt R312 C TMDMU gt gt C MRASB U DDR2_DQ11 c MD 08 18 n C TMDOSLB AD19 EX T e 9 el FRC CONFO CT VCC1 5V_U3_DDR 22 D AE6 AE19 a IS Je Ja 8 DO c MWEB R333 i R313 C TMDQLO PETS DOLO DDR2_D06 SE gt RXDCK bt de Se OC A HIGH I2C ADR B8 mw A m E 10K C MDQSU EN WO C TMDOSU C TMDOL1 Ce DOL1 DDR2_DQ0 SEN O RXDO O miS ama o LOW I2C ADR B4 22 Ge n i L a H L C MRESETB d C TMDOL2 EXE DOL2 DDR2_DQ1 EE gt RXDO Sr a ERC CONF1 FRC PWM1 FRC_PWMO T O e CI C TMDQL3 DOL3 DDR2 DQ2 gt RXD1 o CENDO SUR 22 CTMP ERIB C TMDOL4 AES DOIAJNDRU DOA AD20 OO nxp1 FRE MODEL OPT 0 3 d5 boot from internal SRAM ei z R315 AF12 AE20 e FRC MODEL OPT 1 3 d6 boot from EEPROM PD C MDOSL C TMDQL5 Esc DQL5 DDR2 NC 2105 gt RXD2 e 3 d7 boot form SPI flash COW E C TMDMU D Ge C MDMU 22 C TMDQL6 Sa DOL6 DDR2
50. All rights reserved LGE Internal Use Only Only for training and service purposes ST 3 5V 3 375V gt 3 46V
51. CHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION ME eses PE 5 BEE SECRET Lc ELECTRONICS MODEL ae2n DALE 20101023 THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Electronics SL LILK GHEE LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes GPZR LARGE TUNER emm emm emm emm emm emm emm emm emm emm N 5V_TU a E AT BOOSTER CHINA OPT RF_SWITCH_CTL mm Pull up can t be applied 3
52. Connect tab If Can t is displayed check connection between computer jig and set Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes ee C nfig ohnect f Dis Con Spam C SCL in C SDA out C SCL out PIN emo v E2PROM Device Setting Speed 74 4 mi uj Roughly Speed 450 KHz i Use USB Communication Setting Port Type use Tia SPI Setfing Reverse High I US spr 5 JIG Appl Iv pin 1 switch UART I2c PPIY Pull all Pin High pum 0mj Elapsed Time 2c 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 ReConnect V Read File Checksum I Restore Data VW Multi Flashes Erase Device e All Chip f Erase Area f Partial Erase 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 LGE Internal Use Only 4 Updating is starting 3 1 ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushin
53. EL T DATE BLOCK Lex7consnon SHEET 7 LGE Internal Use Only 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC USB JACK LV3400 JK1450 1 3AU048 345 ZC H LG SECRET LGElectronics av av av av av av av av v 2222222222222 OD OD OD e OD e OD e USB_ _DIODES EAN61849601 IC1450 L1451 1 AP2191DSG CIS2127121 ERR MLB 201209 0120P N2 QUT 2 ARE e e 20 ohm C1452 OUT 1 RICH Blass EX 10uF MPO K K luF 1 8w 1 8W STAS 10V 18 E 22uF 3 3V Normal T ch R1455 4 7K o o OPT sr VO z PIN z USB_JACK n NJ USB1_CTL o R1454 a OK O R1451 47 USB1_OCD N 7 JK1450 e D LO e o Uu z E D GE i El e SIDE USB DM z Z ua H e SIDE USB DP u ts Me o D A D1451 RCLAMP0502BA OPT PEN LG ELECTRONICS MODEL DATE BLOCK bss oce eroos SHEET LGE Internal Use Only
54. EXA Value 2 Changeable Data po foo foo er er frr ee frr rr oo pefe Serial No Controlled Data 01 of e fer fos e vo oo ze on ee oi ao se ac foo Ta Month Controlled Data 00 Fm or 30 sa at oe 00 ev feo er 40 e 40 ar 40 or or 7 Year Controlled ot for for or or or 02 sa eo sa Check sum 40 45 00 ao ea 00 00 00 fre or 10 oo 72 sr oo 1820 so og ae s foo ao A oo ow co ve oo foo on Fo oo fea 4 gt gt Auto Download Ea CAAA IEE s After enter Service Mode by pushing ADJ key e0 re re re ee rr rr e ee re ee re re ee er n er sp or DID DA nede so re e Enter START by pushing OK key e m ee ee rr rr re re ee ee re ee e re re fer er ee po FF e a son i EE 8 EDID D L 00 roo oo 16 18 21 so ao st oo 18 90 sa 00 00 vo tc 00 00 vo ro oo 3a o m e zs e em sm a ope so o sr o 1 01 0t 1D 80 18 71 1C 16 20 58 2C 00 00 9E 01 1D 00 72 51 DO 1E 20 5A 00 00 00 1E O2 3A 80 18 71 38 00 Ao 5A 00 00 OO 1E oF 1D OO BC ND T o aln Caution Never connect HDMI amp D sub Cable when EDID download N Edid data and Model option download RS232 wm miem pe Download A A When transfer the Mode In 28 55 40 Ao 5A 00 00 00 1 o0 o0 Mo
55. Hd33 WSLSAS YVSHN ZS 201497 HZS 101391 0 7 Moche O o Wivda O ou S pieA M10 0 4 1v1vd SL O xau uS NJ or ar RE a erd ra 9u S PIIEA MTO 0IWLVA SL 33 VGS MOS SAAD eun 4IS Jeuny GEO SOT NOR amp INGH GET TE d H INO dH O 1 uz gen JOIN ESN E yeay SPIS LGE Internal Use Only 18 Copyright 2011 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 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 X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer 800 e ese se ASN TN NUS Stand body Base NN EE LLL XN gt SS XN 73 C WS
56. ILTER RC A Opr e TU_SDA R3751 R3752 TU I2C NON F LTER 50V 03742 230 r C3711 29V 220 IF TP 20pF 18pF B Sa TU I2C FILTER emm q e 50V T I close to TUNER E TU I2C FILTER Se e gt TU CVBS E RW I R3749 0 gt am 3 3v TU v N R3750 B 03703 EO C3711 1 C3713 1 1K c ISA1530AC1 3 3V TU 20pF 20pF OPT 1 2V 1 8V_TU Ja T sov i 2d c3708 TU I2C FILTER TU I2C FILTER A C3707 SR luF a ep 100pF x TU_I2C_FILTER fy T2 FILTER B2 EIS 2V FULL NIM 50V Mods 23733 R3735 1 R3736 1 903737 C3738 403705 I Gr s AN AON 100pF 0 1uF 100uF e PDUNBEDERSET COIL COIL B3 3 3V T sov Liev 16V x Se P pEMoD RESET 5 O E close to the tuner pin add 09029 C e ee 0 1uUF 423 3V TU i i i i lt 6V ee This was being applied to the only china demod E RESE So this has to be deleted in both main and ISDB sheet QI y I e pem F AGC CNTL NC 4 on 0 Pus R3744 Ca ES e NNN ECC E See 4 7K HALF NIM Ne FULL_NIM 1 SCL FULL_NI Seel I Eta 10 should be guarded by ground e C p DEMOD_SCL HALF_NIM_1 2V_BCD 2 SDA e m IC3703 K2 R3701 10 AZ1117BH ADJTRE1 G SE i DEMOD_SDA KEE HALE_NIM gt A zuri wim close to IF line SE 1 2V 1 8V_TU R A A ER em BEE TIN 23712 C3714 A INPUT ADJ GND A 22pF 22pF 50V 50V e ES HALF_NIM er EE FULD_NIM FULE NIM IC3703 1 HALF NI R3760 0 AP1117EG 13 R3768 gt IF_N_MSTAR 1 22K R1 e R3703 ADJ GND 150 E P MSTAR HALF _NIM OPT R3761 0 MN i r
57. L 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 NN SYMBOL MARK OF THE SCHEMETIC Electronics LG ELECTRONICS FLASH EEPROM GP Copyright O 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes EAN61829001 EAN61857101 D TCSQ e3 EAN61857201 Me oo K4B1G1646G BCH9 f0801 4 NTSCB64M16DP CF FRC DDR 1600 HYNIX ERC DDR 1333 SS NEW
58. LCD Module LED driver Module cable Soft Touch key IR cable LED driver PSU cable 14P Q eo SPK cable O o Copyright O 2011 LG Electronics Inc All rights reserved 13 22 Only for training and service purposes LGE Internal Use Only Interconnection 6 Cables Main PSU cable e Main Module LVDS cable 3 LCD Module o LED driver Module cable eo SPK cable o Soft Touch key IR cable LED driver PSU cable 14P Copyright O 2011 LG Electronics Inc All rights reserved 14 22 RE Only for training and service purposes Interconnection 7 3 LV3550 Cables Main PSU cable e Main Module LVDS cable o LED driver Module cable LCD Module o SPK cable o Soft Touch key IR cable LED driver PSU cable 14P Copyright O 2011 LG Electronics Inc All rights reserved 15 22 GE TESI tse On Only for training and service purposes Interconnection 8 42LV4500 O Soft Touch Key IR PCB O Timing controller Cables 5 Main PSU cable ES Main Module LVDS cable o LED driver Module cable e SPK cable o Soft Touch key IR cable LCD Module Copyright O 2011 LG Electronics Inc All rights reserved 16 22 T Only for training and service purposes y Interconnection 9 42LW4500 O Soft Touch Key IR PCB O Timing controller Cables Main PSU cable Main Module LVDS cable LED driver Mod
59. LD SUB K 13 13 NEC_EEPROM_SCL e P2401 12507WR 12L C2408 5 6V 18pF 2403 50V L240 OPT R2401 BLM18PG121SN1D 100 T KEY1 lt lt e SER EYEQ TOUCH KEY domo EYEQ TOUCH KEY SE BLM18PG121SN1D D2402 NEC_EEPROM_SDA ANNA e es 5 6V R2412 5 6V KEY2 lt C2409 y L T MOTECH ES D2404 C2401 C2402 18pF 0 1uF 0 1uF 50V D2401 ae OPT 5 6V AMOTECH 9 35 3 5V_ST A 3 5V_ST g L2403 BLM18PG121SN1D 3 5V ST R2425 TR 47K R2428 OPT 22 3 5V_ST 2403 c2404 R2413 1 5K IR GC e e R2429 T LED B LG LOGO e 0 1uF 1000pF x SE 16V 50v P OPS i R2430 OPT 62410 Q2406 10K v Tr 392 O hd VE 7 s OPT SE R2431 47K B 8 02405 OPT 2803052 E 0240 OPT leg 3 3V_Normal SOY 5 6V e L2404 BLM18PG121SN1D ER og e 9 R2414 LED R BUZZ e c2405 C240 1 5K 0 luF T 1000pF OPT 16v 50V R2416 10K S T SCL e e es NEW SUB c906 D902 A am 1 SPF I CDS3CO5HDMI1 50V 5 6V OPT S T SDA F 3 e e NEW SUB C907 D903 1 8pr CDS3COS5HDMI1 50V 5 6V r LL Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes IHE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS NEW_SUB P2402 12507WR 15L MOD
60. M 50V P m n DGND_PLL 9 EAN60969603 PVDD2A_1 S F NRS6045T100MMGK ag E SC R508 Tov OPT e AGND_PLL 10 PVDD2B_2 e D504 v E c539 R530 o 3 3K LF 7 PVDD2B_1 1N4148W R523 0 1uF 4 7K co m NTP 7100 e 100V E De z e e AVDD PLL OUT2B 2 e OPT e e e P SPK R e DVDD PLL OUT2B_1 24V S i GND PGND2B_2 A C501 C502 OPT TTuuF 0 Lut T 15503 C505 V uF 0 1uF 16V lu 0v 16V al oi el x x lt aAiel ol ol ela ala B E O 0 8 0 a a m a a a e bd a m n n 0 0 0 D A ma 1 8V AMP EPA ke elelelzlalala J cs2s 5 n H n n mni 5im a C526 C527 a ZR Xm Ze Z e 10uF GA e SES T 0 1uF D Lut 35V GET 50V 50V ER 517 10uF C513 ll 10V nn 25V T C524 ch 22000pF 50V R503 100 AUD LRCH e R504 100 Se SCH AUD_LRCK y R505 100 e e POWER DET AUD SCK e R506 33 0516 OPT AMP SDA 1000pF R507 33 50V AMP_SCL 3 5V_ST C507 les C546 C544 C545 A N 18pF 18pF ZI22pF ZIZ22pF ZZ22prF 50V 50V 50V 50V 50V KEJE WAFER ANGLE OPT OPT OPT R514 100 LOK e e D e als R517 SPK_L pg En B zx Q501 AMP MUTE 28C3052 10K E SPK L SPK_R S SPK R D nd 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 NN SYMBOL MARK OF THE SCHEMETIC Electron
61. M D 6 3 CI_DATA 7 PCM D 7 A CI_DATA 0 7 AR1912 CI_ADDR 8 C 23 PCM_A 8 CI ADDR 9 lt __ PCM A 9 CI ADDR 10 C X PCM A 10 CI ADDR 11 CT PCM A 11 AR1913 CI ADDR 12 amp C 22 PCM_A 12 CI_ADDR 13 PCM_A 13 CI_ADDR 14 C PCM A 14 REGC PCM REG AR1909 cr og I 22 PCM_OE CI WET PCM WE CI IORDX PCM IORD CI IOWR GT PCM IOWR PCM A 4 PCM D 0 7 BLOCK cwcz SHEET LGE Internal Use Only SMD GASKET Cx vVSV5 S0cOLLC9SQON SVD Let Cx ESVO pou SVD Jet x vVSW9 OLLL88I9SGQN SVD Lee x ESVD SWD IS 6 x CSWO SVD Lee x I1SV5 OLLL8S819SQN SVD 15 6 Dr LSWVO 80LL88L9S5UN SVD Lerct D 9SW9 S0LL8819SdN SVD Lerct SVD LS TT V vSvo S0LL8819SdN SVO LG TT Dr ESVO SVD Lerct b 7SVO BEER SV9 LS ZT Dr TSVO SOLL88L9SAUN SVD LS ZT Gx LSVD 60cOLL YSUN SVO LS 8 Gx 9S5VD 60cOLL YSUN SVO LG 8 Gx ZSVWD S90 c 0L LOSS UN SW LS 8 Sx TISV9 60cOLL YSUN SVO LS 8 e N O q O q O N LLI LL T O M N Ay H LLI O O SECRET LGElectronics WHEN SERVICING IF IS LG ELECTRONICS N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES CIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION RE AND ELECTRICAL SHOCK HAZARDS n Ly u n Ly u iu CRITICAL COMPONENTS IN THE NN SYMBOL MARK
62. 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 LDO1U MODEL 42LW4500 451C 42Lw4500 451C ZB 42LW450A N U 42LW450A N U ZB CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL62863071 1109 REVO1 Printed in Korea CONTENTS CONTENTS eege 2 PRODUCT SARE DY E 3 SPECIFICATION 55 6 ADJUSTMENT INSTRUCTION eee reuera 11 BLOCK DIAGRAM E 18 EXPLODED VIEW Linear 19 SCHEMATIC CIRCUIT DIAGRAM i nunernnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrennnnuneennne Copyright 2011 LG Electronics Inc All rights reserved CH 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 manufacturer 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 po
63. OT 5V_CI_ON A CI_DATA 0 7 eed e 5V Normal n A C1906 o 10uF Di e 10v o x a ask EAG41860102 Len CI SLOFLJAEK LV3400 E CI_cD1 TT e P1902 c1903 10067972 080LF U LE 16V e 35 CI SLOT JACK 1 e R198 A 100 e 36 2 e CI_DATA 3 1 See e 37 3 e D des A CI_TS_DATA 4 lt _ e 38 4 e PU TET le CI_TS_DATA 5 lt _ o 39 5 e CI TS DATA 6 K e 0 6 e CI DATA 7 PS R1919 CI_TS_DATA 71 lt e 1 7 21 e PCM CE 2 8 CI ADDR 10 SVK 3 9 e e ET GE 4 0 CI_ADDR 11 CI_IORD e e CI ADDIO CI_IOWR e 5 1 e SE d CI APPRIS M M er ADORA CI_MDI 1 e 8 4 e E CI MDI 2 e 9 5 e 555 CI WE R 100 CI_MDI 3 GE o 0 6 L gt PCM IRQA C1905 lu 3 e e e L SS d R1916 0 l GND e e C1909 OPT CI_MDI 4 OPT o EH Hae CI_MDI 5 e e CI MDI 6 e e CI ADDR 12 e fnb e e CI ADDR 7 B R1906 10K e e CI ADDR 6 R1902 47 i PCM RST e e CI ADDR 5 R1901 47 PCM WAITX 1 e e CI ADDR 4 REG AR1902 e e CI ADDR 3 33 CT TS GLK e e CIZADDR 2 CI TS VAL GC e e CI ADDR I CI TS SYNC C e e CT ADDR O CI DATA 0 e e CI DATA 1 e e CI ADDR 0 14 CI TS DATA 0 4 xx CI DATA 2 CI TS DATA 1 X CI TS DATA 2 X 1 p CI TS DATA 3 gt e aa A AR1903 S o R1907 100 os HET D2 ET e x ee GND GND R1904 GND 10K C1904 0 1uF 16V CI MISTRT CI MIVAL ERR CI MCLKI Am ems ie ne ie mum um cm i gengt mm n a gt ae E m Van am m um umm en Je
64. R Y ucc cabe VCC 1 5V DDR VCC_1 5V_DDR y Eg La Fi ee EE VCC_1 5V_DDR A A em ii i i M A Ly y 1 o bw Mee V DUNS DDR3 1 5V By CAP Place these Caps near Memory 1 VCC 1 5V DDR r Sc o Lo A i DDR3 1
65. RT key in service remote control 3 COMPONENT 480i 2 Select Tool Option 1 and push OK key 4 RGB PC 1024 x 768 60 Hz 3 Punch in the number Each model has their number 9 HDMI 6 PC Audio In Module Tool option Tool option Tool option3 Tool option4 Tool option5 Display and Sound check is executed by Remote control 26528 18986 55337 27032 8448 4 Completed selecting Tool option Copyright 2011 LG Electronics Inc All rights reserved 12 LGE Internal Use Only Only for training and service purposes 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CCFL EEFL gt CH9 Test signal Inner pattern BOIRE LED gt CH14 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control 13 000 K X 0 269 0 002 Y 0 273 0 002 lt Test Signal Medium 9 300 K X 0 285 0 002 Inner pattern rtm M 7 ees aem some Warn 6500 K TT Edge LED W B Table is process of time Only LGD Module CA210 CH14 Test signal Inner pattern BOIRE GP2R Min s a len 6 sn re s sus 20 9 Over 150 260 y 273 85 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 remote control P ONLY gt Enter the mode of White Balance the pattern will come ou
66. SET lt e MODEL OPT 0 K H R1083 10K Eon lt Ld MODEL OPT 1 opa e MODEL1_OPT_2 CEC_ON OFF X e MODEL OPT 3 J J U U J o A49 o m a E 3 E S b x o a S 5 l d m D o ls E e E 5 a S n n ey v A x E Ei o A H H e El o 5 E z a 2 E T On Es aa o 2 Oo Oo zZ S o Ho AS mo Ay E E z 9 p o zi x z 2 g e e E 2011Y GP2R 101125 Update 2010Y GP2 MODEL OPTION MODEL OPTION 290 MODEL OPT 0 MODEL OPT 1 MODEL OPT 2 MODEL OPT 3 MODEL OPT 0 MODEL OPT 1 MODEL OPT 2 MODEL OPT 3 Description Mu sels PIN NO HIGH LD350 450 550 PIN NAME PIN NO HIGH LOW LK330 LK430 for KR US BON LOW LOW LOW LOW LOW LOW OW LOW 10Y EYE Q Sensor PWM LED amp No Buzz amp No LED Blink E KEY amp PWM LED amp No B amp No LED Blink ODEL_OPT_0 B L_LED B L_LAMP MODEL_OPT_0 8 B L LED B L LAMP PCG ERT ET URES 2 ln S WE ge 19 22 26LE5300 5300 ants LOW TON HIGH HIGH DO HIGH IIC LED amp PWM IIC BUZZ KEY amp PWM LED amp No Buzz amp No LED Blink ODEL OPT 1 LE PWM BUZZ IIC LED PWM LED 32 37 42 47 55 Zog MODEL_OPT_1 11 PWM BUZZ IIC LED PWM LED B RW 4 HIGH HIGH HIGH LOW LE LOW LED TER ATGH ow LV25 LV35 LV45 LW45 LV55 LK45 LK55 IIC LED amp PWM BUZZ HIGH LAMP S T amp IIC LED amp NO BUZZ amp LED Blink ODEL OPT 2 30 TOUCHOREY TAGICKEY MODEL OPT 2 30 TOUCH KEY T
67. STEM HDCP I2C SDA ED Se ae DDCR_DA GPIO71 TS1_CLK RT FE_TS_SYNC External demod in 1 04 IAE 1 05 EEPROM amp URSA3 I2C SCL4 DDCR CK GPIO72 mei opt FE_TS_DATA 0 7 j NC_25 NC_25 r E m i5 TS1 SYNC e zm zm NC_25 RGB_DDC_SDA ae Se 5 PDCA_DA UARTO_TX ig FE TS DATA O NC 24 NC 24 RGB DDC SCLX DDCA CK UARTO RX DO ac F T NC_24 SE z ABIO E_TS_DATA 1 NC_23 NC_23 o sd D AG FE TS DATA 2 NC_23 E 5 K23 D2 ABO FE TS DATA 3 Vcc vcc CI vec 2 PWMO GP D3 FE_TS_DATA 4 PWM1 K22 AC vss_2 vss_2 TI G23 PWM1 GP P4 D ine FE TS DATA 5 Vss_2 PWM GE Gap E D5 Fac FELTS DATATS NC 22 NC 22 BENS NC_22 SC_RE2 CI Gor M3 6P D6 lig FE TS DATA 7 NC 21 NC 21 TO SCARTI SC RE1 CI PWM4 GP _D7 NC_21 _ a s NC 20 NC 20 NC 20 C6 D12 1 03 1 04 DSUB_DET ac SARO GP MPIF_CLK eege 1 03 MODEL OPT 3 cs SARL GP MPIF CS NM Delete PIF SPI CS I 02 1 03 Sue OEE R160 1 02 CM_SV_ 3 on SAR2 GP Sr m 1 0 1 02 RST PHY ac SAR3 GP F BUSY 1 0 d _ OM RFModule RESET O SAR4 GP TE I 00 I 01 3D SG TEPE 1 00 F12 i NC_19 NC_19 PIF DI pis NC 19 ere n2 p ES NC 18 NC 18 Eros NC 17 NC 17 E f P Nc 16 y SIR S MR NC 16 anm AO ED AA AA AA A AA A AA AA AA AA AA AA AA AA A A A GG A m dA AO D AA A A AA AA AA Ge AA AA A A AA AA A A A O A S7R_MS10 S7R DivX S7R DivX MS10 S7R BASIC S7R RM i S7MR BASIC S7MR_MS10 S7MR_DivX S7MR DivX MS10 S7MR RM i i i ERC SCL ERC SDA EEPROM 1MBIT ATMEL
68. T CETT OT FK gt Ven i Ke NA Si zi o 1 4 A A t ee Z e ee d mati oe i eo a eo ha o D H Lati ta rts our uret ur 0 2 a UENESE SIE LA 1 i bd ni i 1 J L p h J ooe wra C A EX ig e d ri NN SS d e d daat ut at at ee D e gt 2030 va After turning on the power and disassembling the case check with the naked eye whether you can see light from 4 locations Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes A1 LGE Internal Use Only oC FakE T Len pup st s g e A i a a ru my Eo MA ut s t s t ee SG i Edge LED PSU without LED Driver ES Lamp PSU without inverter 74 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes Standard Repair Process Detail Technical Manual Error E lishec A Video error No video Normal audio 2011 2 07 LED driver lamp inverter B 24V measuring method bou EN A2 Check the DC 24V 12V 3 5V and Inverter on ALEF OS 42 47 55 60 Power Board Drive Board PSU mm om sw o av a tener ower inverter Ovo 4 eremmeom ox Pam ron ALL 32 37 26 47 11 Pin map Em EN Lamp Power Board Inverter voten um AECI oN un Son ER Inverter On Off EON nt PWM NN Ext PWM PDIM A2 LGE Internal Use Only Sta
69. TA E V out O e 8 db R 1 R2 LGD PB PIN No 1 1 CMO10 LED AUO 10 LED LGD 10 LED INV x C MAT H OS LPB PSU PSU PSU Pa x sy 24 16 NC NC NC NC 12 lt gt 18 E e 13 lt gt 20 18 INV ON INV ON INV ON INV ON 14 lt gt 22 err out err out FK 5V TUNER Y 20 NC NC IC410 5V Normal 10411 A NC NC V 5 AP1117EG 13 R AP1117EG 13 22 PWM DIM Fates NC NC PWM_DIM V E e e e err out err out R422 ADJ GND NE PWM DIM II SC i R424 24 are is PWM DAM TT ge d a A 3 e 5 SIM core 1l1 260V volt i 210 C414 C422 ae as NC NC NC u Ped E dum iun 330 RANE Aa C419 lt POWER ON OFF2 1 TON FOV E RAO me Jr Se 4 M GD dg led rror out use or not checking is necessary S e e do ad FK B C447 SR HH C J 0 1uF E V UJ S BH 5V_USB 3 5V ST 16V 1 26v VDDC C421 C422 Close to LDO A A C441 A 0 1uF NC A 12V 15V A UE Jee e Teao 2000 mA L413 AOZ1073AIL 3 e L406 s MET SE fe Seet Lengt ng e y 6u i pn i 12 E AAR HL SVADDR 1 5V FRC DDR z ER THERMAL 7 The ES NR8040T3R6N NR8040T3R6N Gang usi 17 11 caka 10uF 0 1uF C453 C456 0 1ur 10V 16V 1C403 10 22uF 22uF 16V a OPT SN1007054RTER C488 10V 10V Es N POWER_ON OFF2_1 C429 are rer C428 a 7 Jo Ze S ta zn R1 100pr 224F 0 1ur 0 1uF S 0 01uF es 2 ae x Ser C405 C410 10K 50v 16V 16V Fev me100pF E lOUF S i0ur COMP OPT z 9 EE C439 e 25V 25V fi 9 R1 IS E 12K e e
70. UB 4 7 AAN B MDO SUB wen CI C7 27 ES A6 gt A MDOSLB A MDQOSU gt VVV gt A TMDOSU A TMWEB R3 WEZ DDR2 BAO B DDR3 WEZ DDR2 BAO B TMWEB 22 Q Sa 2s E 22 B MDQSUB lt SH Ee Se R1212 c22 R25 AR1212 R3 Ke A9 A9 gt a MDOSU A MDQSUB ix TE A TMDQSUB A TMRESETB _DDR3_RESETB B_DDR3_RESETB B TMRESETB B TMDOL1 CT 1 B MDQL1 SOR E7 SUE re Keren SCH ca 7 gt A MDQSUB meats B TMDQL3 lt lt B MDQL3 GE D3 I A11 A11 c16 J25 B TMDML lt B MDML 73 Oa OD A MDML A MDQL1 gt A TMDQL1 A TMDOSL Bie DOSL DDR2 DQSO B DDR3 DOSL DDR2 DQSO E B TMDOQSL B TMDQU2 CT lt __ B MDQU2 E3 NC 6 _6 LD A MDMU A MDOL3 gt A TMDQL3 A TMDOSLB DOSLB DDR2 DQSBO B DDR3 DQSLB DDR2 DQSBO B TMDQSLB 22 B MDOLO C Se T A MDML gt A TMDML xod B MDQL1 CT 55 A16 H26 8 T O A MDOLO A MDQU2 gt A TMDQU2 A TMDOSU m _DOSU DDR2_DOSB1 B_DDR3_DQSU DDR2_DQSB1 E B TMDQSU B TMCKE CT 1 B MCKE B Uu Se a lt n B MDQL A MDOL1 22 A TMDQSUB _DQSUB DDR2_DQS1 B_DDR3_DQSUB DDR2_DQS1 B TMDQSUB B TMDQL7 C B MDQL7 ae H3 M3 gt A MDQL2 eee Aud Ge B TMDQLS lt B MDOL5 i H8 gt A Dots A MCKE gt A TMCKE A TMDML Ste _DML DDR2_DQ13 B DDR3 DML DDR2 D013 7 B TMDML B MDOL5 C G3 37 gt er pas m K7 gt A MDQL4 A MDQL A TMDQL7 A TMDMU _DMU DDR2_DQ6 B_DDR3_DMU DDR2_DQ6 B TMDMU 27 B MDQL6 C Se z gt A TMDQL5 B MDQL7 gt A MDQL5 AAMDQES Q c18 SS AR1216 gt A MDQL6 TMDQLO Se _DQLO DDR2_DQ3 B DDR3 DOLO DDR2 DO3 777 B TMDQLO
71. UG R1685 GN CONTACT 10K M SC ES gt gt AV_R_IN 221009 YL CONTACT L1609 o POLE wos D1614 30V ET RXDO ed 120 ohm C1663 co d R1620 D1625 REAR AV C 330pF ANSA T Me rr1611 4 ET TXDO ALO FS ERIN Piney a 50V Bos E CS comP2_Pb REAR AV EAR AV REAR AV KS 121020 E gt YL E LUG BDTE CLUBS ET RXD1 a L1610 REAR_AV R1621 e T 120 ohm R1684 RD O SPRING 1 Eo a E TP1613 lt ET_TXD1 10K Di615 COMP2_Pr ET REF CLK ee Ay vm gt AV L IN 30v TP16 DET REF eee WH O SPRING ps R1672 ER Ne SCH 10K 12101509 ET TX EN E um iode ae E is RD CONTACT e O COMP2 L IN ch REAR_A REAR_AV 4 1616 Reese C1616 R1646 TP16 A gt ET_MDC RD O SPRING 2 5 6V 470K 1000pF L K n D OPT TP16 10 ET_MDIO RD E LUG TP16 T DET CRS e R1632 10K PPJ234 01 2 Jt J 1 COMP2_R_IN TP16 9 ET RXER C1617 JK1603 1617 5 6V R1626 1000pF Pest TP EM RST PHY REAR COMP2 470K SOU ce OPT e IC1601 1 SN324 o mn emm wm mm emm Pm emm wm em a e emm emm e emm a OUT1 OUTA EU_OPT_AUK INV_IN1 INV INA 3 3V Normal NON INV IN1 NON INV bi R1613 vcc GND 10K e SC1 COMP1 DET NON INV IN2 NON INV bk R1614 D1611 Gem iK N CASE OF SMALL 15V M 5 6V 0 luF EU OPT 12V 15V INV IN2 INV IN3 a 2 Zo OPT 16V ee Oat Li606 A R4210 hd vy COMPONENT1 EU_OPT gt SC1 80G IN gy opr e EU_OPT EU_OPT Ci 25 OUT2 OUT3 ISA1530AC1 R1640 C1623 Mna Q1601 229 0 Lur e 50V 50V id e
72. USB Divx EX dia MPO file Automatically 3D on H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode EX LT 33 75 30 000 74 25 Side by Side HDTV 1080P Top amp Bottom Checkerboard 2 MPO Piture 3D When selecting MPO file Automatically 3D on 3 Store 3D Demo motion No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 1920 1080 33 75 30 000 74 25 Side by Side HDTV 1080P 8 3 DTV Input When watching the DTV mode Press 3D key amp select 3D format 1 720x579 50 000 Side by Side SD 576i 50 Hz ey es 1 2 1920x1080 50 000 Side by Side HD 1080i 50 Hz e MN 8 4 2D to 3D Support all input mode which is possible refer to 3D specification 8 5 Reference 2D to 3D Top amp Bottom Side By Side Checkerboard Frame Seq Copyright 2011 LG Electronics Inc All rights reserved 10 LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION MStar ISP Utility V4 1 8 mij 1 Application Range This specification sheet is applied to all of the LCD LED LCD TV with LDO1U 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 Temp
73. VDS SEL RXACK NX RXDO A Se e 3 3V Normal RXACK A lt RXAO RXAO R712 FI RXA2 RXC4 3 3K OPT RXA24 TI RXC44 9 RXA1 I X rxc3 R711 10K RXA1 KA RXC3 OPT lt RXA0 F PANEL_VCC BIT_SEL hd n RXAO m X 1 RXCCK mom EE L701 II RXCCK 120 ohm HD R709 10K e RXB4 BIT_SEL_LOW I RXxC2 OPT HD e C701 C702 C703 A RxB44 RXC2 10uF 1000pF 0 1uF 16V 50V 16V RXB3 A RXC1 OPT RXB34 KA RXC1 AT rxco RXBCK AT rxco RXBCK RXB2 RXB2 Es RXB1 RXB1 RXBO RXBO LVDS_SEL eB gt SCAN_BLK2 EM ES NE 3 3V_Normal A gt SCAN BLK1 0OPG OUT R703 R705 Q PWM_DIM LVDS_PWM_44 GE OPT 9 R710 T 10K OPT RADI x LED_DRIVER_D L_SDA z 3D SG AN a R702 O_ LED_DRIVER_D L_SCL 3D_SG 186 lt 2D 3D_CTL LVDS_51PIN_GPIO R706 R707 0 LVDS_51PIN_GND 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 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics MODEL DATE BLOCK Jos aner SHEET LGE Internal Use Only LG ELECTRONICS Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 777 EE EE ER VCC 1 5V DD
74. _D03 ELE gt RXD2 FRC MODEL OPT 2 i C TMDQL7 DQL7 DDR2 DQ5 gt RXD3 gt AR306 AD18 e 2D 3D_CTL 3 3V_Normal gt C MDQSU RXD3 Du SS C MDQL7 gt C TMDQL7 3 AE10 AE18 set fee A Ge C TMDQU DQUO DDR2 DQ8 gt RXD4 E s dom DD c Mposu SE DD c rMpon3 AFT Ee AF18 a X Zei ME UN C TMDQU1 DQU1 DDR2_DQ14 gt RXD4 o em i ST e e C MDOL1 gt C TMDOL1 AD11 us MP MX MTS ao amp um a E C TMDQU DQU2 DDR2 DQ13 x FAE i gt gt C MDML C MDML gt C TMDML m AD7 9 Q emm z N jd mi One DD C MDMU 22 C TMDQU3 om DQU3 DDR2_DQ12 2553 t m DM St md 2 a m AR307 C TMDQU4 Se DQU4 DDR2_DQ15 GPIOO TCON15 HSYNC VDD ODD XE FRC MODEL OPT 0 is m o n 9 O gt gt o C MDOLO Seen Sec C TMDQLO C TMDQU5 Pm DQUS DDR2 Dog GPIO1 TCON14 VSYNC VDD EVEN REJS FRC MODEL OPT 1 Z 2 by Hd m ERG GONE T C c MDQL1 c mbor2 KO OU TMDOLS C TMDQU6 xs DQU6 DDR2_DQ10 GPIO2 TCONT LDE GCLK4 FRC MODEL OPT 2 a l e i mi TD Cc MDQL2 C MDOL6 DD C TMDOL6 C TMDQU7 DQU7 DDR2_DQM1 GPIO3 TCON6 LCK GCLK2 gt 2D 3D_CTL J a i 5 e lt FRC_CONF1 gt C MDQL3 C MDQL4 gt C TMDQL4 N Am EROS gt gt gt emm z FRC_PWM1 i C C MDOLA4 22 Xe Y gt C MDQL5 R316 RC SPI CZ eege I rFRC SPI CS e FRC PWMO gt C MDOL6 C MDOL5 gt gt C TMDQL5 FRC_GPIO1 FE FRC_CONFO l o 2 jz co R3 H gt C MDQL7 22 FRC SPI1 CK D L DIM_SCLK i m 27 ES 9 AR308 FRC_L DIM me WS MS My Y16 We a 2 d
75. _DDR3_A2 DDR2_A9 7 B TMA2 B TMA10 CI Sg NA B MA10 C Sen a10 aP D3 A9 gt A MA9 A MALO gt A TMA12 A TMA3 Ss R3_A3 DDR2_Al _DDR3_A3 DDR2_Al f7 B TMA3 B MA11 C Dp iz A TMBA1 D 8 B MA12 A12 BC Sua O A MA10 A MBA1 CD A TMA4 X R3 A4 DDR2 A2 _DDR3_A4 DDR2_A2 B TMA4 GE E F Se A MA10 gt A TMA10 E B MA13 lt A13 A11 A MA11 A TMAS O R3_A5 DDR2_A10 DR3_A5 DDR2_A10 Se B TMAS B TMRESETB CT B MRESETB F2 TAS Er T F8 A12 BC gt A MA12 ne A TMA6 EX R3 A6 DDR2 A4 DDR3 A6 DDR2 ees B TMA6 SEI E EC BAD M7 z AR z ae I A13 A MA13 i EN A ds E R3 A7 DDR2 A3 DDR3 A7 DDR2 A3 525 B Fe B IMA13 B MA13 SS A MRESETB DD A TMA 78 R3_A8 DDR2_A6 DDR3 A8 DDR2 AG Te B TMA B TMA9 Y ESMAS zt 2 scu x e UE er A MBA2 gt A TMBA2 A TMA9 a R3_A9 DDR2_A12 B_DDR3_A9 DDR2_A12 SC B TMA9 Xe 56 B MYA lt I 8 A H7 A MA13 gt A TMA13 A TMA10 FO R3 A10 DDR2 RASZ B DDR3 A10 DDR2 ee B TMA10 I uU er B MBAI CI 3 gt D7 VCC 1 pu A MBAO s m Ml A9 gt gt A TMA9 A TMA11 Ee R3 A11 DDR2 A11 B DDR3 A11 DDR2 A11 E B TMA11 B TMCK C CB re seg N B MBA2 lt 9 S gt A MBA1 m he A TMA12 m R3 A12 DDR2 AO B DDR3 A12 DDR2 A0 77 B TMA12 22 e re e oe 8 R1223 Y gt A MBA2 oe a R1206 N A TMA13 R3 A13 DDR2 A7 B DDR3 A13 DDR2 A7 B TMA13 circu em ocu SH oo z Se Gu C1209 A MCK gt A TMCK oe p SS ER 2 2 Ei B MCKEX A2 m se 0 01uF R1207 ed B MOKB lt 58 Noe 25V A MCKB gt A TMCKB E Ev Ed B TMRASB lt B MRASB L
76. _DQU5 DDR2_DQ12 B_DDR3_DQU5 DDR2_DQ12 B TMDQUS B TMDQU4 CC B MDQU4 A MDQU6 DQU6 C14 G25 DDR DVB T2 2G DDR DVB T2 2G E3 A TMDQU6 _DQU6 DDR2_DQM0 B DDR3 DQU6 DDR2 DQMO B TMDQU6 IC1201 3 IC1202 3 F7 A MDQUO gt DQUO B17 K24 K4B2G1646C K4B2G1646C A TMDQU7 DQU7 DDR2 DQ14 B DDR3 DQU7 DDR2 DQ14 B TMDQU7 22 F2 A TMDQUA A MDQU4 gt Q R1221 B TMDQU1 ANMAT B MDQU1 23 212 H8 22 V E R1210 ge A MDQU1 C gt W gt A TMDQU1 T Ses K R M ee J gt B MCKE 55 R1233 OK cb ES A MCKE X C8 DS AT A2 B8 A3 IHE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION MODEL c 2 DATE 20101023 EE EE EE EE SECRET LG H El TRONILS THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Electronics I ULK DDR 256 HEET Copyright 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 3 3V_Normal 3 3V_Normal A A S_FLASH_MAIN_MACRONIX x IC1401 MX25L8006EM21 12G R1404 3 3 3V Normal A CS SPI_CS e m o zt bei do mr SO SIO1 SPI_SDO I i 0 1uF SPI SCK SCLK HEN FLASH WP e el R1401 Qu R1405 SI SIOO 33 SPI SDI KRC103S opt H E OPT S_FLASH_MAIN_WINBOND IC1401 1 W25080BVSSIG DI IOO0 THE N SYMBOL MARK OF THIS S
77. ayed ex 42LD450 ZA 5 Check the Diagnostics DTV country only gt Buyer model displayed ex 42LD450 6 Cl Key Download method 1 Download Procedure 1 Press Power on key of a service remote control Baud rate 115200 bps 2 Connect RS232 C Signal Cable 3 Write Cl Key through RS 232 C 4 Check whether the key was downloaded or not at In Start menu Refer to below gt Check the Download to Cl Key value in LGset 1 check the method of Cl Key value a check the method on Instart menu Adjust Check 2 ADC Data Press OK to Save 3 Power Off Status 4 Syst 2 ei Country Group Code Model Number D L 7 8 Country Group 6 Test Option Country 7 External ADC i 8 Spread Spectrum H Sync Level 10 Wireless Ready 11 Stable Count i 12 0DC Test Tool Option1 Tool Option Tool Option3 Tool Option4 Tool Option5 lt lt 18 Component SO Component RGB P p B OK 0x10 i HDMI OK OxD6 0xF9 27 HDMI2 OK ENRI LGE Internal Use Only b check the method of RS232C Command 1 into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 2 check the key download for transmitted command RS232 ci 00 10 gt gt Data 0 3 result value normally status for download OKx abnormally status for download NGx 2 Check the method of Cl Key value RS232 1 into the main ass y mode RS232 aa 0
78. d foil 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 circuit 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
79. de In Carry the command 00 00 00 00 00 00 oo OO OO OO e Download A E 10 Automatically Download Me 4 s e 7 e 8 eT o E TF FF FF FF o0 tE G6D a b 68 10 09 78 OA EE 91 A3 54 AC 99 26 Manual Download Los 00 81 80 61 40 45 40 31 40 01 0 Caution 01 ot 02 3a 80 18 71 38 2D 40 58 20 1 Use the proper signal cable for EDID Download 00 00 oo TE O1 1D 00 72 51 Do 1E 20 Analog EDID Pin3 exists 00 00 00 1E 00 00 OO FD OO 3A Digital EDID Pin3 exists Ei 20 20 20 20 4 2 Never connect HDMI amp D sub Cable at the same time ee tee AAA AE 3 Use the proper cables below for EDID Writing LE 4 Download HDMI1 HDMI2 separately because HDMI is F Wu GARE O 2 o TI different from HDMI2 FF For Analog EDID For HDMI EDID D sub to D sub DVI D to HDMI or HDMI to HDMI T a E FF FF Copyright 2011 LG Electronics Inc All rights reserved 14 LGE Internal Use Only Only for training and service purposes 4 3D HDMI EDID data 4 5 V COM Adjust Only LGD M S Module pof1 2 3 4 5 jejejajB clfoje F Why need Vcom adjustment 00 00 FF FF FF FF FF 1E 6D a b m The Vcom Common Voltage is a Reference Voltage of 10 Liquid Crystal Driving See gt Liquid Crystal need for Polarity Change with every frame 18 71 38 2D 40 58 2C 21
80. e S 5 elk 3 3V Normal PEM_ALS AA22 GPTO40 Fazo ER Y vss vss GPIO41 ERROR_OUT A e 36 O 1luF PCM A 4 R22 619 R105 NC_9 e NC_22 e PCM A 5 m GPIO42 MODEL OPT 0 e NA o e e PCM A 6 T23 F20 mE NC_10 34 NE fr Dum PCM ATT E GPIO50 UART ts OD DC_MREMOTE 3 SG ad cd 25 CL NC 20 aS FTSE PCM A 8 2223 GPIO51 UART1_ DD_MREMOTE 3p SG ETOS ud PFCEL d AR102 C AUD_LRCH PCH_ATS SCH zs e AL I 03 PCM A 3 Og GPIO6 PMO INTO USB1_OCD Og 4 PF_ALE 32 LAA A GJ AUD_SCK PCM A 10 AB17 D7 W 1 02 AUD MASTER CLK R148 PCM_AT11 AO GP107 PM1 PM UART TX 777 gt USB1_CTL PF WE 31 lt lt e BUD MASTER GER POM ATIZ SC cP108 PM2 E HP DET WP 56 GPIO9 PM3 gt CONTROL ATTEN 30 e PWMI PCM A 13 Y23 E p e o NC 11 1 00 C112 PWMO PCM A 14 W23 GPIO10 PM4 E MODEL OPT 6 EE e V VV 100pF GPIO11 PM5 PM_UART_RX INT1 MODEL_OPT_1 B Q101 GER NC 12 ES 22 sale la E8 33 R146 PF WP e KRC103S 28 50V ORAN La da SC PM SPI CS1 GPIO12 PM6 FE EN Eege Ho ad OPT SERT NC 18 EOS EN a PCM REG PM SPI WP1 GPIO13 PM7 E O gt FLASH WP S B E 27 S cl af ARA PM SPI WP2 GPIO14 PM8 INT2 SC MODEL_OPT_2 mm NC 14 26 ESA _e _e PCM og CI Se GPIO15 PM9 PA gt TUNER RESET NC 15 NC 16 IE PCM_WE C Se PM SPI CS2 GPIO16 PM10 E gt DEMOD RESET 25 E EE PCM I ORD C SC GPI017 PM11 INT3 AV_CVBS_DET Lo
81. econnection condition bog DEI LV Edge LED Series Models Check the contact condition of the Link Cable especially dust or mis insertion Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A10 LGE Internal Use Only Standard Repair Process Detail Technical Manual 2011 2 07 symptom A Video error_Color error Check Link Cable LVDS reconnection condition d DEN LK Lamp series Models Check the contact condition of the Link Cable Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A11 LGE Internal Use Only Standard Repair Process Detail Technical Manual EFT i Establishec A Vi rror lor error StaDIISNeEG 9011 2 07 LCD TV symptom deo error Color erro date es ee Wee NP Test Pattern j Test Pattern Pattern Control o ELI White Press to hide 050 Fass 8 to hide 0 EZ ADJUST 0 1 T 3 4 d Test Pattern Sultan Central De Press to hide OSD BATT Test Fattem A Black Test Pattem Fattem Leatt Bue J Press 8 to hide 050 Press 8 tn hide OSD E You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAH 4 Video error Classification of MODULE or Main B D Copyright 2011 LG Electronics Inc All rights reserved Only for t
82. een circumstances create conflict 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 module 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 explosion 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
83. eg JP810 Sy e e DDC SCL 2 R878 22 e DDC SDA 2 R877 22 5V_HDMI_4 5V_Normal A A s g lt y y ENKMC2838 T112 D824 HDMI_SIDE_ATMEL T IC804 AT24C02BN SH T EDID_WP lt m o f ri AO Se ii E e E E x C809 R8872R891 0 1uF 2 7KR 2 7K A2 JP812 L GEES DDC_SCL_4 R881 22 GND e DDC SDA 4 R882 22 3 3V Normal 68K e R854 z R855 ay 0 REG R857 10K 68E OPT Ee e e n mre e CEC REMOTE S7 Q806 E x Y BSS83 o5 a d OPT i C805 E 0 1uF gt 16V GND GND gt lt CEC_ON OFF 68K 34 e 3 5V ST R892 um R883 N 2y o R323 R853 10K 68k OPT e e e ole CEC_REMOTE_NEC e Se Q805 o zt BSS83 2 OPT a VO a e E a celo 0 LUF 16V MODEL DATE BLOLK nom SSH T 9 7 LGE Internal Use Only RGB SPDIF PC HP New Item Development EARPHONE BLOCK a 3 5M ST O E A e 49 nw ort dg eU GH Q m R1129 B SE SIDE_HP_MUTE Q1106 28C3052 HP_LOUT e 9 e e C1118 002 V7 10uF 16V C1115 HEAD PHONE 1000pF ga R1125 C E DR m s JK3301 3 3V Normal E KJA PH 0 0177 MMBT3904 F SE GND 5 e E 2 9 gt e c D d L 4 R1155 p 1K DETECT 3 cS HP_ROUT HP_DET sl e e e e c1119 002 V7 10uF 16V C1116 1000pF e E 50V 1102
84. eo lag stop Pished 2011 2 07 symptom TUNER input signal strength checking method bom DEN ate select channel When the signal is strong use the attenuator 10dB 15dB 20dB etc oU VIVI Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A6 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error i d A Video error_Video error video lag stop ee 2011 2 07 symptom LCD TV Version checking method ee DEN 1 Checking method for remote controller for adjustment IN START node Name LULU DM EN y Ty Check Adjust Check Serial Number 912KCEA6792 OL Data S W Version 02 08 04 01 3 Power Off Status AA Group Press OK to i Versi MICOM Version 3 03 6 u em PA Ge ersion od 10177 A P Count FRC Version 150 Model Ni Number D L hi IR LED Version 12 7 Test Option 2 Tool Uption EDID Version RGB 0 02 8 External ADC ds Option EDID Version HDMI 0 04 9 Spread Spectrum vol Option chia Tye erat dere 10 Sync Level Tool Option Wireless be Ver 0 00 de ite Ready e Options Wireless B B Ver 0 00 table Lount Wi Fi Version Art 13 ODC Test 3 Adjust White Balance Wi Fi Channel 14 Local Dimming 4 Adjust ADC Wi Fi MAC 00 00 00 00 00 00 _ 480i Component MAC Address 00 0 91 07 09 5F 1080p Component Local Dimming Ver bud ELS Debug status EVE ij Brun EE NG 0x10 UIT 2
85. ep BOOSTER_OPT because of MODEL_OPT_2 M18PG121SN1D e J K BOOSTER OPT R3734 BOOSTER OPT o R3743 close to TUNER 10K oa oe a oe ee Fe N Rend BOOSTER_OPT ISA1530AC1 OPT S R3737 R3762 0 2 2K CONTROL_ATTEN e J B BOOSTER OPT E P c _2INPUT_H_LG3911 C BOOSTER OPT Tom e Q3702 B FE_BOOSTER_CTL TU3702 TUS PO i 2563052 LNA2 CTL C3709 E The pull up down of LNA2_CTL TDTJ S001D TDFR C036D 0 0148 SE E 25V GPIO must be added for FE BOOSTER CTL BOOSTER OPT NPUT_H_LGI close to TUNER 5V TU EE EE 5V TU ANT_PWR OPT RF_S W crt Y F TUM e ite GT E OP ON RF AGC R3755 C3731 oso T e A 470 R3758 x E RF SW OPT emm a a a a a a a gt gt gt gt gt emm a BST_CNTL ssr cr 0 1uE FUE esada ee 10uF 82 T 15 C3703 0 10V gt TU SIF e VS 0 1uF 16V OPT J E SONDE 16v OPT bios Ss GPIO t be added 1 mus e 2 E P B 5V _ 50V d R3754 TU_IIC_NON_ATSC_SANYO TU_IIC_NON_ATSC_SANYO 03704 E 10K B ISA1530AC1 Bea FE_AGC_SPEED_CTL 3 3V_TU RITES 03705 NC RF_AGC RF AGC OPT IF AGC SEL R3740 1 ASK C R3707 0 OPT 1K R3741 1 E 1K OPT ls TU_IIC_ATSC_SANYO es Em R374 TU IIC ATSC SANYO 63706 E 1 2K R3741 0 1uF Som omme A e c c Ven 33 R3735 1 2K Tiv TU I2C NON FILTER e 5V_TU TU_SCL A TU_I2C_NON_FILTER C3713 33 R3736 SSC eo 18pF TU NON F
86. erature at 25 C x 5 C Relative humidity 65 96 10 Input voltage 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig equipment Service remote control 7 Push The IN STOP key For memory initialization 2 3 4 5 Case1 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 After function inspection Push In stop key 3 Main PCB check process APC After Manual Insult executing APC Boot file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab pra e evi 2 e O A zd estore rase o onne is on Ge Read filexxx bin Unused Bytes End Addr axi FFFFF Checksum Ze 0x00 OxFF ato Start Addr 0x000000 Batch File 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 4 Click
87. ew Models lt Applicable Basic Model gt xxLK330 xxLK430 xxLK450 xxLK530 xxLK550 xxLV2300 xxLV2500 xxLV2540 xxLV3400 xxLV3500 xxLV3550 xxLV5500 xxLV4500 xxLW4500 3D Copyright 2011 LG Electronics Inc All rights reserved 2 22 Ss LGE Internal Use Only nly for training and service purposes Product Roadmap Tool UK Nordic M Italy 2BLK330A ZB LaS 32LK3304 ZB Ca EE Wegen A O E 32LK430A Z LK43 3TLK430A Z 42LK4304 Z 32LK4504 ZB Lamp 3TLKA50A ZB es J2LKASDA ZB 17057 EE TI asza Y 32LK5304 Z0 LK53 42LK530A ZC ATLK530A ZC 32LK55DA Z E 42LK550A Z 3a3K55I CZB ETE LI o o Copyright 2011 LG Electronics Inc All rights reserved 3 22 Only for training and service purposes SES ZB TT ZE CECR ZB 22LK330A ZB 19LvV2300 7A gt VS exmvexeza O PJ I9LV2500 Z A SE ZB avsa EE E3s v3sst zD o a LW45 VES Edge LED vos LGE Internal Use Only Main PCB 19 22 26LV2500 5042 Main processor DDR Memory Flash Memory 2 Eg hla E Micom for Key IR sensing TMS m i D i Audio AMP 5W 5W ape fe Tm a X LH Ls i pm E E Es es 4 19 22 26LV2500_S7 Reused 11 Main IC LGE101 Mstar Tuner Type TDTJ S001D DVB T C Display Type Resolution LED TV 1366 x 768 Interface HDMI 2EA Component 1EA AV 1EA USB 1EA Difference Without
88. floor can generate static electricity sufficient 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 component lead and the foil CAUTION Work quickly to avoid overheating the circuit board printe
89. g p key at 5 ADC Calibration EZ ADJUT 0 Tool Option ADC Calibration 1 Tool Option2 2 Tool Option3 3 Tool Option4 ADC Comp 480i 4 Country Group ADC Comp 1080p NG 6 White Balance 7 Test Pattern ADC RGB B 8 EDID D L 9 Sub B C 10 V Com Reset 11 P Gamma Start Reset lt Caution gt Using power on key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 Adjust Sequence em Jembrjompz parao O Adjust Mode In A A When transfer the Mode In Bee sam me comment ADC Adjust A 1 Automatically adjustment l Wee e aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i e ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 e ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control 5 Uploading 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 3 2 Function Check channel recover if all channel data is cleared you didn t Check display and sound have a DTV ATV test on production line Check Input and Signal items cf work instructions 1 TV After downloading have to adjust Tool Option again 2 AV SCARTT SCART2 CVBS 1 Push IN STA
90. gt SC1 CVBS IN B EU OPT EU OPT bg EU OPT L EU D C1608 e Q1602 E e EU OPT R1641 Ped EE 220pF T el 28C3052 47K EU OPT EE AV DET 50V 30V Aeg c1621 IC1601 ee 2s OPE 47uF AS324MTR E1 GOMSEND 30v uN i EU OPT H DTV MNT VOUT CLOSE TO MSTAR R1656 SYNC IN QET ee AE 2 2K OUT1 OUT4 z prv mwr_1_our lt SYNC_OUT M coh EU OPT H Rf EU_OPT Stee cues OPT 33K IN1 IN4 EU OPT m e R SYNC GND2 D1610 7598 EU OP Rg 1639 a 10uF R1662 E C1620 R j C1664 16v D1603 30V 75 is 180 470K EU OPT 100uF Gain 1 Rf Rg R4218 SYNC_GND1 e 30V OPE 12V 15V Os Our 22K R1667 16v A EU_OPT EU_OPT 10K IN1 INA RGB IO OPT e ae SEN EU_OPT ener SCART1_Lout 5 32219 100 y R_OUT R1627 VEC GND e SCC A LU sci R COMPl Pri RISSET 35 e RGB GND 30V R1608 75 C1642 EU OPT 25 R1658 VLU 216 100 5 6K IN2 IN3 R_GND 50V SCART1 Rout ESF EU_OPT D2B_OUT Ri221 R1665 EU OPT C1665 SEIN 33K IN2 IN3 m B 0 01uF 22K G OUT OPT e e sc1_G COMP1_Y EU OPT D1605 lt Buon DRE OUTS our E 8 D2B_IN EU_OPT PPJ 230 01 30V R1604 Die Wee R1655 C1655 JK1601 G GND 75 2 2K 33pF COMPONENTI e La 2 oo I H EU_OPT C sci_Ip C1645 OPT Sed EU OPT 10uF 1691 D z EU_OPT 470K e e e R1623 LU sc1_B COMP1_Pb 30v mer BEE 16V AUDIO L IN D1606 SE EU_OPT Le R1605 ch N B_GND 75 B 0 AUDIO_GND NS P e AUDIO L OUT EYE A Va N 10K AUDIO R IN e e e AS LL sc1 CoMP1_L_IN 5160
91. her equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc gt AT Check RF Cable N Connection Check Check 1 Reconnection S W Version Tuner soldering 2 Install Booster y N S W Upgrade Replace Contact with signal distributor Main B D or broadcaster Cable or Air Copyright 2011 LG Electronics Inc All rights reserved 3 LGE Internal Use Only Only for training and service purposes Standard Repair Process Established bg A Video error PE aam symptom A8 GG A10 A11 X Check Check color by input and replace External Input d COMPONENT Vie Replace module RGB HDMI DVI uan condition Check error color input A12 Check device and Replace Main B D cable External Input Check Test pattern RGB HDMI DVI error Check external device and cable Cable normal Replace Main B D Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 4 LGE Internal Use Only Standard Repair Process Established de dila LE WEE TEM symptom Vertical Horizontal bar residual image Reviseddate light spot external device color error Revised date 5 13 Vertical Horizontal bar residual image light spot Replace GAS x A10 A11 Check color condition by input Check external External Input device Y G ane
92. ics Eri MODEL crew DATE rj LG ELECTRONICS BLOCK ame nre SHEET Copyright 2011 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Rear AV av cvs IN COMPONENT2 3 5 gjorman REAR A C1643 C1648 D1619 R1654 47pF 220pF NE 75 50V 50V 43 3v Normal R1612 R1615 REAR AV REAR_AV as OPT x 10K 1K gt COMP2 DET R1660 D1613 SE 10K SE EEN PPJ233 01 REAR_AV Op AV_CVBS_DET RD E L G R1666 e 1K D1624 Steag REAR_AV l RD O SPRING 5 6V 0 1uF GN E LUG OPT 16V R1619 RD CONTACT EN GN O SPRING 75 L MONO D1612 gt COMP 2_Y REAR_AV 30V WHlC L
93. iption For models without any fix information in Part related to nose in the Owner s provide the description Manual Copyright 2011 LG Electronics Inc All rights reserved 12 LGE Internal Use Only Only for training and service purposes Standard Repair Process Error F Exterior defect SE USE am Zoom part with exterior damage gt Replace module Replace cabinet Replace remote controller Replace stand Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 13 LGE Internal Use Only Contents of LCD TV Standard Repair Process Detail Technical Manual 1 Check LCD back light with naked eye OM o LED driver B 24V measuring method a2 A Video error No video Normal audio A Power Board voltage measuring method 4 TUNER input signal strength checking method A6 A Video error No video Video lag stop AS LCD TV Version checking method LCD TV connection diagram Tuner Checking Part A Video error_Color error Check Link Cable LVDS reconnection A10 A10 Edge LED condition A11 A11 Lamp N z 00 Adjustment Test pattern ADJ Key LCD TV connection diagram A Video error_Vertical Horizontal bar Check Link Cable LVDS reconnection A10 A10 Edge LED residual image light spot condition A11 A11 Lamp Adjustment Test pattern ADJ Key Exchange T Con Board 1 A 1 5 A 2 5 Exchange LED driver Board PSU A 3 5 Exchange Module itself
94. l Block Source TAB IC Defect Source TAB IC Defect Source TAB IC Defect Horizontal Block Horizontal Block ui Horizontal line Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Un repairable Cases In this case please exchange the module Horizontal Block Gate TAB IC Defect Copyright 2011 LG Electronics Inc All rights reserved A 5 5 Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Error ishec B Power error_No power Fstablished 2010 219 symptom Check front display LED Geen Image shown may differ from your TV Only 32 37 42LK45 32 42LK55 32LV25 32 42LV34 32 37140142147 1 V35 32 37 4214TL V45 32 374214T S5L WAS Rennie renim and intelligent sensors Power Indicator Only 32 37 4201 K45 Can be adjusted using 3242L K55 Screen the Power Indicator in l Eg the OPTION menu at Only E 32 421 V34 L I gata EC cL ito io jo Except for 32 37 42LK45 32 42LK55 Touch buttons Except for KSC New PCMCIA Card Slot DI HDMI IN Except for Description Connection pane EN 2 Xx SE See p 81 Headphone Socket AUTE OL KE i Except for E gd MM 328421 V34 er e amp Scrolls through the saved programmes Adjusts the volume level Selects the highlighted menu option or confirms an imput Description Acce
95. m Block O Hex HDMI1 Block 1 Visual Adjust and control the Voltage level HDMIS 4 6 Outgoing condition Configuration When pressing IN STOP key by Service remote control Red Vendor Specific HDMI LED are blinked alternatively And then Automatically turn off MODEL NAME HEX Must not AC power OFF during blinking 78030C001000B82D20C00E01400A3C08201820982058203820 i 78030C002000B82D20C00E01400A3C08201820982058203820 4 7 Hi pot Test HDMI3 78030C003000B82D20C00E01400A3C08201820982058203820 Confirm whether is normal or not when between power board s ac block and GND is impacted on 1 5 kV dc or 2 2 kV dc for one second Copyright 2011 LG Electronics Inc All rights reserved 15 LGE Internal Use Only Only for training and service purposes 5 Model name amp Serial number D L Press Power on key of service remote control Baud rate 115200 bps Connect RS232 Signal Cable to RS 232 Jack Write Serial number by use RS 232 Must check the serial number at the Diagnostics of SET UP menu Refer to below SETUP r Move r OK Software Update Off 5 1 Signal TABLE CMD LENGTH ADH ADL 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 DATA_1 Data_n CS DELAY 5 2 Command Set No Adjus
96. m et a a es se Zeg ens oe ees Cee zeg vee es Zeg PCM IOWR GPIO18 PM12 INT4 R132 ng V Zeg AA20 D9 33 R147 10K PCM CEK T PM_SPI_CK GPIO1 TA gt SPI_SCK R133 PCM_TROA P23 GPIOO PM SPI CZ Sg A SE ER le ERIAL FLASH 10K PCM_CD SC PM_SPI_DI GPI02 F Se SPI SDI or SE i AS PCM WAIT D 503 PM_SPI_DO GPIO3 SPI SDO J NAND_FLASH_1G_SS NAND_FLASH_1G_TOSHIBA Get uuum ign Tee RER RESTER CHE C109 FS See SS 1 NAND_FLASH_1G_HYNIX CI TS CLK E 16 EAN61857001 EAN61508001 AR104 rama e ARO CI TS VAL EAN35669102 PC ex 10102 3 elen OPT peo CLE n San C SLOT 1C102 1 K9F1G08U0D SCBO TC58NVGOS3ETAOBBBH PE_CE0 y S AC17 AAS CI_TS_SYNC H27U1G8F2BTR BC _PF_CEOZ TSO_VLD PF CEl AB20 AA10 CI TS DATA 0 7 S PUT PF CE1Z TSO SYNC PF OE pum ee IA NC 29 NC 29 I 22 AB21 PF_OEZ ABS CI TS DATA O NC 29 PF WE pris TI SE _PF_WEZ TSO_DO ees GI TS DATATI NC 28 NC 28 PF ALE miim NC 28 Z JEF E AD17 PF ALE TSO_D1 Fy CI TS DATA 2 NC 27 NC 27 I AA19 PF AD 15 T 0 D2 1a6 CI TS DATA 3 NC_27 F RBI 35 _PF_RBZ 15003 ee CT TS DATATA NC 26 NC 26 L ESAS NC_26 ee ee ee TSO_D4 117 CI TS DATA S 1 07 1 08 R134 22 M23 TSO_D5 v5 CI TS DATA 6 Eod 87 NEC TXD lt UART TX2 GP1065 TS0 D6 GI TS DATA A Ze Z Ze ees 1 06 1 07 R135 22 N23 AA8 Ts_ S7_NEC_RXD UART RX2 GPIO64 TSO_D7 1 06 a mee je ee FE_TS_CLK a 1 Internal demod out 1 05 1 06 D R136 22 M22 AC5 FE T8 VAL ERR 1 05 for SY
97. n 1 Cables e Soft Touch key IR cable o Main Module LVDS cable e LED driver Module cable e SPK cable LCD Module Copyright 2011 LG Electronics Inc All rights reserved 9 22 Only for training and service purposes LGE Internal Use Only Interconnection 2 19 22LV5500 Soft Touch Key IR PCB mammam Oe nume S CR RORORU Cables e Soft Touch key IR cable o Main Module LVDS cable e LED driver Module cable e SPK cable LCD Module Copyright 2011 LG Electronics Inc All rights reserved 10 22 Only for training and service purposes LGE Internal Use Only Interconnection 3 26LV2500 I E Gi KT il Lo ee Ey LCD Module Copyright 2011 LG Electronics Inc All rights reserved 11 22 Only for training and service purposes Cables e Soft Touch key IR cable o Main Module LVDS cable e LED driver Module cable SPK cable LGE Internal Use Only Interconnection 4 26LV5500 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes Tu rir 3 CN Fl A LT E Soft Touch Key IR PCB thes Cables Soft Touch key IR cable o Main Module LVDS cable e LED driver Module cable e SPK cable LCD Module 12 22 LGE Internal Use Only Interconnection 5 32LV2500 Main PSU cable Main Module LVDS cable
98. n board Is inserted properly or not Main B D lt gt Power B D LVDS Cable Speaker Cable IR B D Cable 1 13 c A gt A4 No video Check Back Light Check Power Normal audio On with naked eye Board 12v 3 5v etc AN Move to No video No audio A2 Check Power Board 20V 12V or 24v output Replace Inverter or module Repair Power Board or parts x Precaution c A7 A3 Always check amp record S W Version and White Replace Main Board Re enter White Balance value Balance value before replacing the Main Board Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process No Video No audio Established A Video error CP enz gt A4 Check various j N Check and voltages of Power replace Board N q MAIN B D 3 5V 12V 20V or 24V Replace Power Board and repair parts Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 2 13 LGE Internal Use Only Standard Repair Process eno A Picture Problem ee D ames symptom AA Picture broken Freezing Revised date DN 3 13 AG By using Digital signal level meter By using Diagnostics menu on OSD Check RF Signal level Menu gt Red key gt Signal test Signal strength Normal over 50 Signal Quality Normal over 50 Check whether ot
99. ndard Repair Process Detail Technical Manual or i es rM LCD TV A Video error No video Normal audio 2011 2 07 R Content Check White Balance value See A3 lt ALL MODELS gt GH White Balance H Gain G Gain B Gain R Cut G Cut B Cut Test Pattern Backlight Reset Gam 15 Touch Sensitivity Setting Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 7 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A3 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error Establishec 201 207 2011 2 07 m A Video error No video Audio Gr RE i Revised Content Power Board voltage measuring method date Check the DC 20Vor24V 12V 3 DV Le M WE gn on GT mm 24V pedian Ni Wi Genen E 20V 24V EI 20V 24V ES 20V 24V 19 20 Lamp A Dim LED N C af w E A Error out Lamp Dec Model PWM Dim 2 m mw mim on m wmv Lelmm es 23 me Tal Errorout Lamp PSU without inverter Copyright 2011 nc All rights reserved Only for training and service purposes AA LGE Internal Use Only Standard Repair Process Detail Technical Manual Error ishec A Video error Video error vid
100. nternal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 8 Standard Repair Process C Audio error uiid METEO t SA MAC Wrecked audio discontinuation noise Revised date 9 13 abnormal audio discontinuation noise is same after Check input signal compared to No audio Check input signal RF External Input signal When RF signal is not received Request repair to external cable ANT provider In case of External Input signal error Check and fix external device Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes gt A25 Check and replace Check audio speaker and B Voltage 20V or 24V connector Y orma Replace Main B D oltage N Replace Power B D Replace Main B D N Connect and check orma other external audio device Y Check and fix external device LGE Internal Use Only Standard Repair Process D General Function Problem Established MER LCD TV RUE date SEH Remote control amp Local switch checking 10 13 1 Remote control R C operating error Replace Main B D c ADT SA27 Check R C itself addu crue Check IR ormal __ Oberanan Cable connection voltage Output signal Signal P d Connector solder di On Main B D N Check R C Operating Check 5v on Power B D Repair Replace When turn off light Replace Power B D or IR B D in
101. on H freq kHz V freq Hz 720x480 15 73 60 00 SDTV DVD 480i 720x480 15 63 59 94 SDTV DVD 480i TC E 10 woo an am mm gt w mom an an mm ON ol mom am as mm 19 mom em so mme gt 44 mom es a mme 6 RGB PC ificati No EE Proposed Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720900 0148 7008 zess FwowDOSmxe 2 640 480 31 469 59 94 25 1f VESA Input 848 480 60 Hz 852 480 60 Hz 5 ooo sew os wo wel mem am 6000 650 men 1366 768 47 56 84 75 WXGA WXGA Model 8 1200 1024 63 901 60 02 100 075 SXGA FHD model 1280720 45 60 74 25 720p DTV Standard 1920 1080 60 148 5 WUXGA FHD model Copyright 2011 LG Electronics Inc All rights reserved 7 LGE Internal Use Only Only for training and service purposes 7 HDMI Input 7 1 DTV Mode Vea a Prei cook n 7200 81 460918 nm 2700e703 sowas 2 zos Lan Ia a mee neen Lamm a Ins mme 4 sove ue ann um mmer 5 rozoroso Lamm ann ams mme e mem 28125 an num mme Lem 26977 amm Lamm mmer a rozorioso 607168878 29 076 8000 howie e mem s620 fso ms mmer 40 mem eme ann maen mmer 7 2 PC Mode 55 00 VESA XGA 1280 768 47 78 59 87 79 5 WXGA HDCP 6 1360 768 47 72 84 75 WXGA HDCP HS 1280 1024 63 981 60 02 108 875 SXGA HDCP FHD model 9 1920 1080 675 160 1485 WUXGA HDCP FHD model Cop
102. oses SECRET LGElectronics A 5V_HDMI_4 BOD Y_SHIELD A 5V DET HDMI 4 R897 1K c803 R837 0 1uF 16v To MG TIOR o lt a B JP805 OS o 0803 28C3052 C JP806 R841 0 ri o N el sl VO N VO 9 59 1 HDMI SIDE R862 B HPD4 10K gt DDC_SDA_4 gt DDC_SCL_4 HDMI_CEC gt cr HDMIA CK4 HDMIA4 gt DO _HDMI4 gt DO _HDMI4 gt D1 _HDMI4 gt D1 _HDMI4 gt D2 _HDMI4 gt D2 _HDMI4 JK803 OPT D811 Pid 1 LG ELECTRONICS HDMI EEPROM HDMI_1_RENESAS TOS OTAI R1EX24002ASASOA HDMI 2 RENESAS IC802 1 R1EX24002ASASOA HDMI_SIDE_RENESAS 1C804 1 R1EX24002ASASOA For CEC HDMI_1_ATMEL IC801 AT24C02BN SH T 5V_HDMI_1 5V Normal A Al N Es y Vv ENKMC2838 T112 D821 O e EDID WP R874 10K i ET HDMI CEC DDC_SCL_1 R876 22 e nage Mss DDC SDA 1 5V HDMI 2 5V Normal N ri pe lt y y ENKMC2838 T112 D822 HDMI 2 ATMEL IC802 AT24C02BN SH T e EDID WP 5 M o ola oo CR e 9 2 C807 1 R885 R889 0 Sch 2 7K
103. raining and service purposes A12 LGE Internal Use Only Appendix Exchange T Con Board 1 solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Copyright 2011 LG Electronics Inc All rights reserved A 1 5 Only for training and service purposes LGE Internal Use Only Appendix Exchange T Con Board 2 Abnormal Power Section Abnormal Power Section Solder defect Short Crack E Abnormal Display GRADATION Noise GRADATION Copyright 2011 LG Electronics Inc All rights reserved A 2 5 Only for training and service purposes LGE Internal Use Only Appendix Exchange PSU LED driver EM j No Light Dim Light Dim Light Dim Light No picture Sound Ok Copyright 2011 LG Electronics Inc All rights reserved A 3 5 Only for training and service purposes LGE Internal Use Only Appendix Exchange the Module 1 Panel Mura Light leakage Panel Mura Light leakage Press damage i SR Crosstalk Press damage Crosstalk Un repairable Cases In this case please exchange the module Press damage Copyright 2011 LG Electronics Inc All rights reserved A 4 5 LGE Internal Use Only Only for training and service purposes Appendix Exchange the Module 2 Vertical Block Vertical Line Vertica
104. ry Micom for Key IR sensing Audio AMP 10W 10W LED Driver connection with local dimming 37LW4500 S7 Reused 11 Main IC LGE107 Mstar Tuner Type TDTJ S001D DVB T C Display Type Resolution 3D LED TV 1920 x 1080 Interface HDMI 3EA Component 1EA AV 1EA USB 1EA Difference HDMI Position Interface Wafer Position LVDS Power Sub Copyright 2011 LG Electronics Inc All rights reserved 7 22 Only for training and service purposes LGE Internal Use Only Block diagram DATA Video Tuner_ SIF E seng Tuner_CVBS TUNER SCL SDA T C FE TS _DATA O CLK Valid Sync po ETNE I I Cl TS DATA 7 0 CLK Valid Sync I CI DATA 7 0 I CI ADDR 14 0 I I I l i USB_DM DP Only for FRC or 3D Model I USB E i HP OUT i j H P i S j d e l HONS HDMI TMDS HPD CEC I A LGE101 S7 RE 1 LGE107 S7 FRC HDMI_TMDS HPD CEC HDMI 1 HDMI 2 HDMI TMDS HPD CEC COMP YPbPr LR IN COMPIOOOOL AV CVBS LR IN DSUB RGB HVsync PC RGB Ra PC AUDIO 8 DDC_SDA UART_TX SPDIF O SPDIF_OUT SCUSDA SYSTEM EEPROM X 1 EG 1Mb SCL SDA HDCP EEPROM X 1 8Kb Se 125 I F SCL SD PC Audio IN SC CVBS RGB LR IN umip SCAR lf Hu SC VIDEO LR OUT RS 232C ER Debug TX RX Copyright 2011 LG Electronics Inc All rights reserved 8 22 Only for training and service purposes LGE Internal Use Only Interconnectio
105. sses the man menus or saves your input and exits the menus Changes the input source f m 1 Intelligent sensor Adjusts the image quality corresponding to the surrounding environment 2 Touch Button You can use the desired button function by touching Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A17 LGE Internal Use Only Standard Repair Process Detail Technical Manual B Power error No power Established 2011 2 07 Content Check power input voltage and ST BY 3 5V bru AEN A18 For 11 models there is no voltage out for st by purpose ila St fb RE 3 OV I IS Lund on Check the 3 5V when st by Lktesr gel 24 Pin Power Board lt gt Main Board 0 24SB FOOSUNG 20V 24V EN 20V 24V Lamp SCAN NING Model PWM Dim 2 w vw 20 tomes m a m2 moms m wc a see p 95 m Lamp PSU without inverter 7 A o Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A18 LGE Internal Use Only Standard Repair Process Detail Technical Manual amor Established symptom B Power error No power 2011 2 07 Checking method when power is ON lou ENS Check power on pin is high Lktesr gel 24 Pin Power Board lt gt Main Board 24 Pin Power Board Main Board A iH SMAW200 H245 YEONHO mes SSES G vers pp
106. t Full White Pattern CA 210 COLOR ANALYZER TYPE CA 210 RS 232C Communication Auto control interface and directions 1 Adjust 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 full white pattern or the others check the back light on Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 2 48 Auto adjustment Map RS 232C RS 232C COMMAND CMD ID DATA Wb 00 00 White Balance Start Wb 00 ff White Balance End RS 232C COMMAND CENTER MAX ees Gen Gei Mia wamm Gei mia warm Ran i e M 00 172 tee 192 182 Gan in vo je 00 172 192 192192 BG de 00 192 tee 172 192 sou IICA sau sinn sou I ein 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 it is the FULL Dynamic Range of Module Manual W B process using adjusts remote control After enter Service Mode by pushing ADJ key
107. t mode CMD nes LENGTA E Description EEPROM WRITE n bytes Write n 1 16 Description FOS Default write lt 7mode data write Vtotal V Frequency Sync Polarity Htotal Hstart Vstart O Phase Data write Model name and Serial number write in EEPROM 5 3 Method amp notice A Serial number D L is using of scan equipment B Setting of scan equipment operated by Manufacturing Technology Group C Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man Sometimes model name or serial number is initialized Not always There is impossible to download by bar code scan so It need Manual download 1 Press the instart key of Adjustment remote control 2 Go to the menu 5 Model Number D L like below photo 3 Input the Factory model name ex 42LD450 ZA or Serial Aur Model Number D L EDID Version HDMI V01 01 Maker 99 1 Adjust Check 2 ADC Data 3 Power Off Status 4 System 6 Test Option 7 External ADC E her Of 0 Model Name GP DVB 1 Serial Number SKJY11 H Spread Spectrum 9 Sync Level 1 Serial Number SKJY1107 Press to save Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes 16 4 Check the model name Instart menu gt Factory name displ
108. training and service purposes GE Internal Use Only Interconnection sub PCB LV LK450 Series SPK unit To Main 15pin Cable Copyright 2011 LG Electronics Inc All rights reserved 21 22 Only for training and service purposes LGE Internal Use Only Interconnection sub PCB LK430 LK530 Series SPK unit 12pin Cable To Main Copyright 2011 LG Electronics Inc All rights reserved 22 22 Only for training and service purposes LGE Internal Use Only Contents of LCD TV Standard Repair Process No Error symptom Mid category Remarks 1 No video Normal audio No video No audio A Video error Video error video lag stop Color error Vertical Horizontal bar residual image light spot external device color error B Power error Off when on off while viewing power auto 7 on off No audio Normal video 08 C Audio error Wrecked audio discontinuation noise 09 No response in remote controller key error 1 recording error memory error O D Function error bh External device recognition error E Noise Circuit noise mechanical noise First of all Check whether there is SVC Bulletin in GCSC System for these model Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only AN 11 12 3 1 OD Standard Repair Process symptom First of all Check whether all of cables betwee
109. ttern 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 connected 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 5 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 LED LCD TV used 1 Performance LGE TV test method followed LDO1U chassis 2 Demanded other specification Safety CE IEC specification 2 Requirement for Test Ers 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 96 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 about
110. uF EAN41348201 h r 0 1uF RA123 100 R1124 100 1107 30 D CDS3C30GTH V OPT D I 1108 30 CDS3C30GTH V OPT gt ST NEC RXD gt 87 NEC TXD SPG09 DB 009 JK1101 IHE CRITICAL COMPONENTS IN THE A SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS MODEL T DATE BLOCK Tuszszc or s SHEET LGE Internal Use Only 51Pin LVI For FHD DS Connector 60 120Hz PANEL VCC A L702 120 ohm WAFER_FHD 41Pin LVDS Connector For FHD 120Hz 30Pin LVDS Connector For HD 60Hz Normal P705 P703 P704 FF10001 30 FI RE51S HF J R1500 e FI RE41S HF J R1500 HD WAFER FHD WAFER FHD 120HZ C700 C709 C710 10uF 1000p f 2 O0 1uF 16V 50V 16V OPT OPT WAFER FHD C 0 2719 DEEN PWM DIM AT RXD4 1072209 gt OPC OUT I RXD4 AT RXD3 RXA3 A 1 RXD3 lt RXA3 KA RXDCK N lt RXACK NA RXDCK J RXACK 9 RXA4 NA RXD2 RXA2 RXA4 A RXD2 RXA2 RXA3 RxD1 0 RXA3 A RXD1 RXA1 A RXD0 EET L
111. ule cable LCD Module SPK cable Soft Touch key IR cable Local dimming signal cable Main LED driver 8pin Copyright O 2011 LG Electronics Inc All rights reserved 17 22 Only for training and service purposes LGE Internal Use Only Interconnection 10 32LK530 PSU without inverter O IR Indicator PCB O Local Key PCB O Inverter Q Timing controller Cables 5 Main PSU cable ES Main Module LVDS cable o SPK cable LCD Module e IR Local key cable Inverter PSU cable 14pin Copyright 2011 LG Electronics Inc All rights reserved 18 22 E Only for training and service purposes LGE Internal Use Only Interconnection 11 3 7LK430 PSU without inverter O IR Indicator PCB O Local Key PCB O Timing controller Cables 5 Main PSU cable ES Main Module LVDS cable o SPK cable e IR Local key cable LCD Module Copyright 2011 LG Electronics Inc All rights reserved 19 22 LGE Onl Only for training and service purposes GE Internal Use Only Interconnection 12 42LK450 O PSU without inverter O Soft Touch Key IR PCB O Inverter O Timing controller Cables 5 Main PSU cable ES Main Module LVDS cable o SPK cable LCD Module e Soft Touch key IR cable Inverter PSU cable 14pin Copyright 2011 LG Electronics Inc All rights reserved 20 22 LGE Only for
112. utton of the remote controller for adjustment 2 Check the entry into adjustment item 3 Copyright O 2011 LG Electronics Inc All rights reserved Only for training and service purposes A22 LGE Internal Use Only Standard Repair Process Detail Technical Manual 2011 2 07 C Audio error No audio Normal video mh Content Checking method in menu when there is no audio bus NEN ALL MODELS infinite Sound gt Of Treble 0 a Bass 50 NEN Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A24 LGE Internal Use Only Standard Repair Process Detail Technical Manual 2011 2 07 LCD TV symptom C Audio error No audio Normal video Content Voltage and speaker checking method Lil when there is no audio date D lt ALL MODELS gt d 24 Pin Power Board Main Board 35 SMAW200 H245 YEONHO ES SS 20V 24V EN B PE e J E a Dal tal EN ke 0 M3 d i d a A pi 33 SN KS ee H EM d 1 D D MES h ee E E E 18 nverter Um 0 out LED Driv 19 12V Lamp A Dim TAL PM uo Am E LED N C Error out Edge LED PSU with Lamp SCANNING Model PWM Dim 2 Checking order when there is no audio 4 Check the contact condition of 20V or 24V connector of Main Board 2 Measure the 24V input voltage supplied from Po
113. wer Board If there is no input voltage remove and check the connector 3 Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A25 LGE Internal Use Only Standard Repair Process Detail Technical Manual Error D Function error_ No response in remote controller Establishec 2011 2 07 symptom key error date Revised Remote controller operation checking method Ll ENS lt ALL MODELS gt P2401 P2402 1 EYEQ SCL 2 EYEO SDA MA a gt i 1 LN Hi D FI d L Li est pa F et IER E a E d d A si E i z J E i E EN Soft Touch SCL 15 Soft Touch SDA Checking order 1 2 Check IR cable condition between IR amp Main board 3 Check the st by 3 3V on the terminal 6 4 When checking the Pre Amp when the power is in ON condition it is normal when the Analog Tester needle moves slowly and defective when it does not move at all Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes A27 LGE Internal Use Only
114. wer rating as this protects the technician 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 MQ and 5 2 MQ 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
115. yright 2011 LG Electronics Inc All rights reserved 8 LGE Internal Use Only Only for training and service purposes 8 3D Specification 8 1 HDMI Input 1 HDMI Input 1 4a When connect the cable on TV or change the input mode Automatically 3D on Display OSD information gt 1920x2205 1080p 24 1280x1470 720p 50 60 Pixel clock MHz 3D input proposed mode 148 35 148 5 Frame packing 1080 24p 148 35 148 5 Frame packing 720 60p 148 5 Frame packing 720 50p 148 5 Side by Side half Top and bottom half Top and bottom 6 1280720 Im gt 74 25 Side by Side half 8 19201080 337 160 74 28 Side by Side hal 9 19204080 281 50 74 25 Side by Side half Top and Bottom Side by Side half Top and Bottom Top and Bottom 5 1920 1080 148 5 HDTV 1080P Side by Side 5 60 Top and Bottom Top and Bottom 2 HDMI Input 1 3 1 Connect the HDMI cable amp receiving the HDMI signal 2 Press SD key of remote control amp select 3D format below 5 1920 1080 27 00 24 00 74 25 HDTV 1080P Side by Side Top Bottom Checkerboard 7 1920 1080 67 50 60 00 148 5 HDTV 1080P Side by Side Top Bottom Checkerboard IT e que pee o Ge 5 1920 1080 56 250 50 148 5 HDTV 1080P Side by Side Top Bottom Checkerboard PRP NE d RN Copyright 2011 LG Electronics Inc All rights reserved 9 LGE Internal Use Only Only for training and service purposes 8 2 USB Input 1

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