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LG Electronics 42LT360C-ZA Flat Panel Television User Manual

Contents

1. SS ee cp SS lt x PIN NAME PIN NO LOW HIGH x pP Parr MODEL OPTION 4 4 4 Unda S de RN UM l
2. CI SLOT p Se SSS SS SS SS ES eS SS SS Se eS 45V CI ON A DATA O0 7 CI TS INPUT 21993 FE TS DATA 7 45V Normal MDI 7 C FE TS DATAI6 10uF CI_MDI 6 lt EE TS 5 m 10V 5 CI_MDI 5 lt _1 FE_TS_DATAI4 5 x SLOT CI C EAG41860101 U 5 e P1902 MDII3 C FE TS dioda 10067972 050LF MDI 2 amp FE TS TU 1 MDI 1 lt FE TS DATA O CI M
3. A A NC 29 lt CHIP Config LED R BUZZ NES NAND FLASH 1G NUMONYX NEAR Boot from SPI CSINCEXT_FLASH 1 bO m FANW60762401 x Boot from SPI_CSONCINT_FLASH l bl1 IC101 10 71 LGE2112 T8 NC_3 NC_27 NC 4 NC 26 PCM D 0 7 S7LR DIVX MS1O ME NC 5 1 O7 PCM A 7 PCM DI0 w21 lt a ai DI Aais PCMPATAIOVGPIO126 2 lt CHIP Config gt PCM_D 2 127 o DEN x x RB 1 O5 425 25 OUT PWM 1PAD PCM_D 3 AE20 PCMPATALVGPIO128 F_RB d 2 PC
4. 12V 15V ES x s A DON Perey yer TRON 12V 15V 43 5V ST 43 5V ST gt 3 375V FROM LIPS amp POWER B D PANEL POWER 222 CET R Se 12V gt 3 58V gt 3 82V 3 68V uds gt 33 R405 1 R405 2 18 5V gt 3 5V gt 3 75 3 59 100K S 3 5 1K 2 9 2 gt O z 3K PANEL DISCHARGE 5 1K PANEL DISCHARGE SEC 26 1 408 5 N S z 0 01uF C442 Mois 4 APX803D29 m 0 015uF C409 i 438 R407 1 407 2 0 015uF C436 O luF 10uF New item 6 T sov 0 0 NF 16V L 16 3K 5 1K T 43 5V ST dos 0409 3K PANEL DISCHARGE 5 1K PANEL DISCHARGE 2 m gt A AQ3407A 3 MMBT3906 NXP N al JASE C474 e Son PANEL a 0 1uF A R406 Sk I 1 0 10uF NORMAI EXCEPT 32 NORMAL 32
5. AVDD_DDRO AVDD_DDRO AVDD DDRI AVDD DDR1 5 S Sls Sig Pv AVDD DDRO DDR3 1 5V By CAP Place these Caps near Memory DDR3 1 5V By CAP Place these Caps near Memory 55 9 V d OS TE A 1 1203 EN M n BLMISPGI2ISNID x x x e BuMispci2isnip A MVREFDQ e YA MVREFCA B MVREFCA C e B MVREFDQ lt 2 2m E 9 S S o oe 5 J n JA m amp 5 5 UNS sei ea s ig s ma mel m m tg un meo meo mal ma ma n ml s Us SLs SLs q v Gls ALS os 1252 e a S q x Se 5 S L Se el ee 2 4 2 5 Cmm a D am D Cada Cua 2 Cua Ma Ma ca es 10uF m x e e q q q q q a cmm 2 x a ons ao See See See See See See See See See 2 2 See UT See See See See See C Uc Gc USO OU UO 10V d oxp A Q T 3 gy ej Q eO eO en es pO CoO eO eO Spo eO eO eO S U 9 D 9 E Close to DDR Power Pin Close to DDR Power Pin
6. 4 Nod QH QHJ3 ZHO09 SQ 1 NL ae 4 4l 5 1 L 2 4 1 Je X LGE Internal Use Only 90 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by 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 APR S M Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Ts LGE Internal Use Only IC102 NANDOIGWS3B2CN6E NAND FLASH MEMORY 3 3V_Normal 3 3V_Normal
7. P 2 e PCM_A 8 vig PCMAPRI7V GPIO103 EC E AL 1 O3 PCM AI3 e 9 108 Ox ALB AUD_SCK 10 GPIO PM OJ GPIOG POWER DET PE WE od VOZ AUD c RI e AUD MASTER 0 PCMAPRILOVGPIOI14 PM_UART_TX GPIO_PMI 1 GPIO7 L RIBA PM TXD WP 1 1 C112 56 AA19 PCMADR 11 GPIO112 GPIO_PM 2 GPIO8 16 gt INV_CTL 100pF e PWMI A 3 Aca 12 6 10104 GPIO PM 3 GPIO9 C ORL ON s NC 11 1 00 50V e PWMO PCM_ATI4 107 GPIO PM 4J GPIO10 1 POWER ON OFF 1 x PM RXD e P Q101 4 E NC 12 NC 19 Jats 9 PCMADR 14 GPIO106 RX GPIO PM 5 VGPIO i Fo 25 n KRC103 lt ES e E Yak PM_SPI_SCZ1 GPIO_PM 6 GPIO14 E SAT PRU Me a gt _ PCMREG_N GPIO123 PM 7 I GPIOI3 J T gt FLASH WP mi e fie RII Y x PM 8 GPIO14 5 x NC_14 NC 17 4 Age PMI8 T D 2224 SUB_AMP MUTE _ PTS PCMOE_N GPIO113 GPIO_PM 9 GPIO15 eu gt PANEL CIL NC 15 NC 16 Apa PCMWE_N GPIO197 PM_SPI_SCZ2 GPIO_PM 10 GPIO1q 7 L MODEL 0 PCM_IORD AMP MUTE eee 5V_Normal lt 20 PCMIORD_N GPIO111 GPIO_PM 11 GPIO17 22 R142 m
8. z RLINEIN SEDIFF 3 3V_Normal EXT_AMP_R_IN 11 A 002 V11 RIN SEMAX OPT R1827 51K VDD AGND EXT SPK e R1828 100 EXT SPK DET v LIN BYPASS EXT_SPK 43 5V ST EXT SPK cues 1808 LLINEIN FADE luF EXT AMP L IN 11 i 25V EXT_SPK 4 7K 002 V11 R1852 R1850 LHPIN SHUTDOWN 100 EXT_SPK EXT_SPK C 100 PVDD 2 LOUT E R1853 gt 10K B SUB_AMP MUTE EXT_SPK_L EXT_SPK 1805 AME LOUT PGND 2 009 X24 Q 009 X24 EXT SPK L v MMBT3904 NXP 5 5 EXT_SPK z gt m E xz 7 OPT amp 100 R1803 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MODEL GP3 S7LR DRIE 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Electronics LG i IDE JACEK 5 5 T 3 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics LGE Internal Use Only Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Option name of this page SLOT because of Hong Kong Region
9. 5 79 freo soo 1620 1280 768 47 776 59 870 79 50 CVT WXGA 5 3 HDMI Input PC DTV PC DV o EN NEN s wm seo 7959 omwen X s wem 0 VESAGXGM O 10 X NEN 3 mum 29 _ wm 4m s _ 4 Movie s so s msa Copyright 2012 LG Electronics Inc All rights reserved Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 4 Click Connect tab If Can t is displayed check connection between computer jig and set 1 Application Range This specification sheet is applied to all of the LCD TV with LD2AC chassis 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing Power adjustment Free Voltage Magnetic Field Condition Nil Input signal Unit Product Specification Standard Reserve after operation Above 5 Minutes Heat Run Temperature at 25 C 5 Relative humidity 65 10 Input voltage 220 V 60 Hz 6 Adjustment equip
10. CLose to DDR3 CLose to Saturn7M IC CLose to Saturn7M IC CLose to DDR3 a BP UR cc eee uuu ucc 22 IE QU oe ok MR da dU IC1201 1 IC1202 1 K4B1G1646G BCH9 K4B1G1646G BCH9 DDR_1333_SS_NEW DDR 1333 SS NEW M8 N3 M8 VREFCA P7 VREFCA P3 Al H1 N2 A2 HI P8 A3 P2 AA L8 R8 a L8 R2 A6 T8 A7 c B2 R3 yn B2 89 D9 L7 D9 A10 AP G7 R7 A10 AP G7 All K2 N7 All K2 A12 BC T3 A12 BC K8 A13 NI A13 NI N9 M7 N9 NC RI RI RO M2 R9 BAO N8 BAL M3 Al Al A8 J7 A8 C1 K7 C1 C9 K9 C9 D2 D2 EAN61828901 IC1201 IC101 EAN61828901 F1 F1 H5TQOQIGO63DFR H9C LGE2112 T8 IC1202 ES EN H5TOIGO63DFR H9C L3 DDR 1333 HYNIX J1 1 gt A MAO All S7LEI DI 2 lt MS 10 ae DDR_1333_HYNIX 19 T2 J9 VREFCA AD A_DDR3_A 0 B_DDR3_A 0 B MAO IC1202 4 IC1201 4 LI 1 AMAI C14 ARO RS ANI 025 B MAO lt AO VREFCA B MVREFCA K4B2G1646C HCKO K4B2G1646C HCKO L9 19 A2 A MA2 P Bll Sd us F22 C Al I 17 2 A_DDR3_A MA2 GA A MVREFDQ A3 2A MA3 A F12 2 2 TRN G e G22 B MA2 lt A2 DDR_1600_2G_SS DDR_1600_2G_SS MA3 MA3 N3 8 N3 M8 A4 L 4 15 AB ADI E24 B MA3 1 A3 B MVREFDQ EAN61848801 VREFCA EAN61848801 VREFCA 9 7 9 A MA4 A DDR3 B D
11. DOSL DOSL THE 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 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECREI MODEL GP3_S7LR DATE BLOLK DDR 256 5HEET LGE Internal Use Only ELECTRONICS LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes AR GLOBAL TUNER BLOCK m 2 2 1093700 T 9 m gt TIDSS G101D 2 4 12176 DVB IINPUT H o amp Q N Yn R3755 470 SEL R3758 R3775 0 82 e gt TU SIF 3 3 3V TU B MMBT3906 NXP 3 3V_TU c 93705 A R3753 4 7K R374 1K R3741 33 R3735 IK TU SCL 33 R3736 eo e TU SDA R3751 R3752 C3702 1 Toa 1 71 220 220 aa 18pF 18pF C3742 3743 my 50 IE 20 20 N 50 Lsov R3756 0 er c Q0 close to TUNER OT u R3783 0 e TU CVBS E lluF 16V NON ASIA R3749 0 x w NON_A
12. B MDQSL lt gt 14 vss LE vss 81 7 A MDQSLB A_DDR3_DQSLB B_DDR3_DQSLB B MDQSLB E7 Gs E7 Gs R3 i A8 3 B MDQSLB D3 vss4 5 m vss 4 15 A9 A9 A MDQSU B18 Ra J21 b 55 5 VSS_5 7s A10 AP A MDQSUB gps ais osu B PPR PUH Nig fin B MDQSU lt E3 55 6 Mi v8 n7 xU A MDOSUB DDR3 DQSUB B DDR3 DQSUB B MDQSUB UB lt lt 7 VSS_7 yo 7 55 7 NO 12 A12 Es MDOS VSS 8 VSS 8 F2 P1 F2 Pl NC_6 NC_6 A MDML E15 H24 i vss_9 B vss 9 AI NT jose 20 120 H3 asi H3 55 10 ses B NC 5 A AMDMU J DDR3 B DDR3 DOMU BMDMUZ 71 Hs ee T9 H8 ope T9 ND R9 R9 SA MDQLO D17 L23 G2 G2 E N8 BAY a X4 A MDQLO DDR3 DQL 0 DDR3 001401 a B MDQLO H7 H7 MB BAI i5 A MDQLI B21 A_DDR3_DQL 1 B_DDR3_DQL 1 154 B MDQLI Bl Bl Al Al MDQI MDQ D7 B9 D7 B9 L2 B L2 J7 8 8 AMDOS uis Fis 21 B_DDR3_DQLI2 pus BMDOL2 lt 5 i E a B22 4 PPR3_DQLI3 B DD nee ies 1 a B MDQL3 lt C8 D8 C8 D8 Co ES E E2 E2 A MDOQLS MDQ EIA DDR3 B_DDR3_DQL 4 235 MDQ B LA C gt C2 D2 D2 A MDQLS A_DDR3_DQL 5 B DDR3 DQL 5 B MDQLS 2 7 8 7 8 L2 E9 E9 m A MDQL6 A22 A DDR3 DOLI6
13. K North Latin America http aic lgservice com Y Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED LCD TV CHASSIS LD2AC MODEL 42LT360C 42LT360C ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67368108 1206 Printed in Korea CONTENTS CONTENTS qc 2 SAFETY PRECAUTIONS d 3 SERVICING PREGAUTIONS 4 SPECIFICATION uuu u 6 ADJUSTMENT INSTRUCTION 9 TROUBLESHOOTING GUIDE 15 BLOCK DIAGRAWu iu uuu u u ANM CEN au asi NU HEN S DLE 20 FAPLEODED VIEW 21 SCHEMATIC CIRCUIT DIAGRAM Copyright 2012 LG Electronics Inc All rights reserved 122 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 in the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as rec
14. e 118 55 R240 6 C221 0 047ug C243 C263 Oc SO a Ole e m SIDE_COMP R241 33 SIDE_COMP 1 5 4 7u LUF 0 14 10uF PT o 4 8 010 s R242 68 C223J AC6 ir e 121 Po SIDE_COMP C2244 10002 WI AVDD DDRI 55mA e F18 cupi AAS T203 rgy TONE OPT l e 123 AB6 L205 10uH OPT G8 U14 e GND 124 R244 33 C225 0 047uR AAS H8 015 TU CVBS e 11 e GND_125 Fus R245 33 C226 0 047uF Y4 N22 R246 33 n TT N21 _126 u E u WA C6 AV_CVBS_IN ET RXD O RP GPIO6 GND_127 4016 33 OPT C405 0 047uP AAS C5 N20 R18 vs TXD O TP GPIOS e MS 128 lo e GND 129 OPT R249 33 OPT C230 0 047uF AA4 A6 mmm m M21 m V10 E ET RXD 1 RN GPIO63 a e T 130 E TP210 AA ET_TXD 1 LED1 GPIO56 SOC_RESET e 18 gt DIV MNT_VOUT BS 3 5V_STRESET SWITCH vis 90 132 via C203 ET TX CLK TN GPIOS9 SW200 e GND 133 i 1000pF T R252 68 C233 0 047uF AB4 C3 TMUE312GAB W16 V17 U T ET TX EN GPIOS8 e GND 134 oaf A3 q Y v8 T7 ET MDC GPIO6 5 oe ee age ah e TIZ 135 ees Close to MSTAR ET_MDIO GPIO62 x RSDS OPT
15. B MDQL6 2 F9 22 E KI F1 F1 A MDQL7 015 DQLI6 DQHI6 B MDOQL6 lt B8 GI B8 Gl 73 B A MDQL7 DDR3 DQL 7 B DDR3 DQI 7 B MDQL7 3 B MDQL lt 59 59 K3 H9 16 G21 L3 A MDQUO B MDQUO A MDQUI a A B20 PPP3 PQUIO 22 x L22 5 05 B MDQUO 45 m m I AMD us pnus x 2 es B MDQUI lt 1 19 19 CA MDQU3 n 21 ER PE Q A Bs Q K20 B B MDQU2 lt L9 L9 MDQ A_DDR3_DQU B_DDR3_DQU MDQ A MDQU4 E16 A DDR3 i a B MDQU4 x G3 A MDQUS 2 io B MDQU5 A_DDR3_DQU A MDQU6 D16 52 e 2 B MDQU6 PADOV Er ae 29 c20 m K21 B MDQU6 B7 551 VSS 1 ps A MDQU7 A_DDR3_DQU 7 B_DDR3_DQU 7 B MDQU7 vss_2 Fu vss 2 7 B MDQU7 lt vss_3 VSS_3 Ge VSS 4 VSS 4 D3 NI J2 J2 VSS 5 78 VSS_5 78 VSS_6 VSS 6 DDR DVB T2 2G DDR DVB T2 2G E3 MI MI EU ES F7 VSS vee VSS 8 VSS 8 F2 P1 verc HE F8 VSS_9 10 VSS 10 HE VSS_11 Pro VSS_11 24 25 VSS_12 VSS_12 H7 ben Bl Bl hey D7 B9 B9 vens DI DI C8 DS D8 S c2 E2 E2 vog mi 7 E8 E8 vaa St xr x A2 F9 F9 woos 22 al B8 GI Woods P EE FR GS 7 VDDQ 8 VDDQ 9 RESET
16. RIBOT 22 2 01625 E 330pF 2X tee ee EU_OPT EU_OPT 10K INI INA 10K EXT SPK EXT SPK 470K eS R1657 C1654 YL O SPRING lv 50 33pF 5 6K SCARTI Lout on aud EXT 1 YL E LUG _ _5 5 R1684 1912 R17 lios 10K 0 1 5 6K IN2 IN3 5 6K COMP PC L IN 50V 5 Rout x R I C1662 C1665 52 54065 IN2 IN3 33K EXT_SPK gal IS D1626 R1672 330pF ee 330pF 220K oy 220K 330pF EU_OPT 5 6V 470K 50 EU EU R1668 R11 lt EU OPT 10K OUT3 10K EXT SPK R1655 C1655 EXT_SPK SPK R19 2 2K 33pF 33pP 2 2K Tl gt EXT_AMP_R_IN Pee Se x 5 C1645 1661 R15 10uF 470K 470K 16V 3 3V_Normal R1613 10K EU_OPT EU_OPT SC1_DET EU opr R1014 1611 IN CASE OF SMALL 15V 5 6V O 1uF EU OPT 12V 15V OPT 16V 1 1606 EU 210 TS 3 3V_Normal a EU_OPT L gt SCI SOGIN E EU OPT FU or C1625 MMBT3906 NXP 456 o E O luF R9904 T 999 d 10K R9912 1 gt SC1_CVBS_IN B SIDE_COMP 1K EU_OPT EU_OPT gt SIDE_COMP_DET C1608 EU OPT Q1602 R1641 SIDE 220 777 MMB amp 3904 NXP 47K 09908 75 50V R4211 D990 S DEP 505 C1621 J OPT 390 B 47uF OPT D1602 16V 7 a H D
17. L mm m L 77 POWER DET ON SEMI B P403 P404 L407 1 ICA08 1 Q401 FW20020 24S FM20020 24 CIS21J121 24V A e e e NCP803SN293 MMBT3904 NXP MEER 22K kic 0 1uF ioe vec gt RESET L404 1 L407 S OPT 1 409 CIS21J121 MLB41201209 0120P N2 5 e POWER 424V APX803D29 PD_ 12V PD 412V PWR DET ON SEMI 2d F ZEN ipo S R430 2 2K_PANEL_DISCHARGH R480 ICA409 1 3 5V_ST L404 e C418 C426 IOK e B Q407 R405 R407 vec RESET 100 NCP803SN293 MLB 201209 0120P N2 e es 68uF I om MMBT3904 NXP C455 2 2K lt 2 2K 35V C O luF 3 2 E TO 5 R429 R435 E 16V 2K PANEL DISCHARGE POWER 424V 2455 C401 C406 C408 PANEL_CTL T SB Q406 22K O luF PD_ 12V_PWR_DET_DIODES MMBT3904 NXP 16 O luF O luF L AKI10 OPT PD_ 12V 16V 16 16V R489 OPT e ED x Power DET 4 12V 15V uoa a MLB 20 15 205 0120 2 BNP Ne O POWER 18 INV CTL IK 780 mA c402 C404 C407 INV 3 3 100 aw TI ion 100 R426 rin 16V L402 1 OPT SLIM 32 52 e 19K Z Sees Se cIs21J121 7 P401 m E SMAW 200 H24S2 x 3 3V_Normal R421 _ ER q e B 10K INV 3 5V_ST Q403 L403 e 3 5 ST AO3407A BLMI8PG121SN1D 5 405 IC407 v 5 T3904 NXP R427 1 5V_DDR 4i e 10K AP7173 SPG 13 HF DIODES A POWER 18 DIM OPT L420 R446 R451 0 BLMI8PGI21SNID EP
18. 4 21 09 00 1E 00 00 00 oo 00 00 Soto 2 Fo oo oo oo oo oo oo e m As pushing the right or the left button on the remote 3 are below controller And find the V COM value Which is no or minimized the Flicker If there is no flicker at default value MODEL NAME HEX EDID Table DDC Function Press the exit key and finish the VCOM adjustment HD FHD Model 0001 0100 Analoa Diaital m Push the OK key to store value Then the message 0001 as Saving OK is pop m Press the exit key to finish VCOM adjustment lt m lt b Serial No Controlled on production line c Month Year Controlled on production line ex Week 01 gt 01 d Model Name Hex cf TV set s model name in EDID data is below MODEL NAME HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 LG TV 4 6 Outgoing condition Configuration m When pressing IN STOP key by SVC remocon Red LED are blinked alternatively And then automatically turn off Must not AC power OFF during blinking e Checksum Changeable by total EDID data EDID C S data HDMI 43 25 Block 0 4 7 Hi pot Test 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 D 8 8 Lad _ Hex Block 1 Copyright 2012 LG Electronic
19. 5 CI TS DATA 2 NC 28 NC 28 TSODATA_ 2 GPIO79 CI TS DATA 3 D4 AB12 19 NC_28 EUM PES 1 C I Or ate R FO TRLO UARTI TX GPIO43 TSODATA_ 3 GPIO80 NC 27 CTRLI UARTI RX GPIO44 TSODATA 4 TS 5 NC 26 NC 26 lt UART2_TX GPIO65 TSODATA_ 5 GPIO82 CI TS DATA 6 NC 26 PM RXD 22 R130 N24 AA13 Se amp Hae wee Bg UART2_RX GPIO64 6 GPIO83 8 TS DATA 7 RNC 1 O7 MODEL_OPT_6 22 R131 UART3_TX GPIO47 TSODATA 7 GPIO84 ee x lt MODEL_OPT_7 A8 __FE_TS_CLK O6 1 06 I 07 UART3_RX GPIO48 ACIS RE TS VAL ERR I 6 Essi em d ad TEM HD TSICLK GPIO98 FE TS SYNC O2 O for SCL lt lx Hn TSIVALID GPI96 FE TS DATA O 7 I O5 es mmm mu uh maan EEPROM amp URSA3 an R137 22 P24 I2C SCKM2 DDCR CK GPIO72 ACI6 1 04 1 O5 I2C I2C SDA SDAM2 DDCR DA GPIO71 TSISYNC GPIO97 1 04 3 3V_Normal I 1 d d NC 25 NC 25 R138 22 D2 AD16 FE_TS_DATA 0 nterna emo out NC_25 RGB_DDC_SDA R139 22 DI DDCA DA UARTO TX TSIDATA_ 0 GPIO88 AE15 FE TS NC 24 NC 24 RGB_DDC_SCL lt DDCA_CK UARTO_RX TSIDATA_ 1 GPIO89F FE TS NC 24 v a 2 GPIO90 TS o NC 23 9 s ius TSIDATA_ 3
20. n Y 1Y 0 108 ie i ADDR 7C 1 CI ADDRIO 1 2 2 4 MISTRT PCM PCM A 7 MIVAL ERR 1Y2 gt CI_ADDR 1 I MCLKI N a face ey as Ee eee E 1 2 PCM_A 2 PCM_A 6 I I 5 1Y3 i ADDRI 5 C gt CI ADDRI2 242 I PCM_A 3 PCM AI5 1 4 mm CI DETECT ADDR A gt CI ADDR 3 4 T PCM_A 4 I 3 3V_Normal 3 3V_CI 3 3V_CI 3 3V_CI A A CI SLOT OR_GATE NXP A l IC1901 TALVCIG32GW 1 1901 gon vllo 1 BLMISPGI2ISNID I CI_CD1 S I gt 5 aly p C1901 C1902 GND 1907 PCM D 0 I R1915 I DII O 1luF O 1uF CI DET CL_DATAIZI I R1918 SRE cr CD _ 5 1 SR PCM DI5 CATAL PCMDI 2 DATA 7 PCM_D 7 CI POWER ENABLE CONTROL i PCM_D 0 7 I I CI_DATA 0 7 i CI_SLOT CI SLOT dic A I I E ro mm NATL ple CI_ADDR 8 lt PCM_A 8 RR I ADDR 9 l
21. 1 C494 C493 16V 16V R2 R2 luF 3300pF 10V 50V 1426 2 2 BLM18PG121SN1D AA 0 165 gt X ZEN EXT SPK Vout 1 R 1 82 0 765 5 03 V out 0 827 1 R1 R2 1 225V THE 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 SECRET MODEL crs snr 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG ELECTRONICS THE CRITICAL COMPONENTS IN THE YMBOL MARK OF THE SCHEMETIC GFlectronics Power GHEE T Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes CONTROL IR amp LED THE 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 THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET GElectronics 3 5V ST A R2404 R2405 IR_OUT_Brazil_USA P2401 12507WR 10L 1 1 R2401 BLMISPGI2ISNID 100 JP2407 KEYI A e R24
22. F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 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 5 minutes prior to the adjustment 4 Model General Specification 1 Market EU PAL Market 36Countries DTV amp Analog Total 36 countries DTV MPEG2 4 DVB T 36 countries UK Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Kazakhstan DTV MPEG2 4 DVB C 11 countries Sweden Finland Austria Swiss Germany Netherlands Hungary Slovenia Norway Denmark Bulgaria Broadcasting system 1 Programme coverage 2 PAL DK VHF E2 to E12 UHF E21 to E69 3 SECAM L L CATV S1 to S20 HYPER S21 to S47 4 DVB T C 3 Receiving system Analog Upper Heterodyne DVB T Digital COFDM QAM Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 gt DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s
23. IK cns B R862 E eae Sinise B HPD Ras MMBT3904 NXP ioi e e kd 16V 16V E 18K ae 1 8K 9 lt JP805 e 2 m won lt 55 gt DDC SDA 2 gt DDC SDA 4 m DDC SCL 4 DDC SCL 2 XE R815 0 R841 HDMLCEC 5 7 0 A CK _HDMI2 4 gt 5 zu 5 eee S gt gt 8 e 7 HDMI2 gt 6 HDMI2 gt 5 4 gt gt 3 D2 gt D2 _HDMI4 1 1 gt D2 E 7 Oo w 501 F JK801 JK803 o 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 THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights
24. e E e SCARTI EU OPT EU OPT D1601 1 1602 EU OPT C1619 OUT EU 5 6 BLMIS8PGI2ISNID C1610 4700 EU B C1636 OPT 1000pF Q1608 N 0 1uF 50V MMBT3904 NXP EU O z 8 1050 THE 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 THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGElectronics SECRET LG ELELTRONILS MODEL DATE 20110324 BLULKREAR rAcx 5HEET LGE Internal Use Only RGB PC Dum d 4 TE Lxx ciue T yes Z l e RGB DDC SCL e e RGB DDC SDA C1127 C1128 R1141 2 ER UM E 22 49 cb 72 DSUB VSYNC lt e DSUB_HSYNC lt Tow MESE D1113 D1116 E I 30V E I 7 m 5 6V 1 HE DSUB_B 4 e e RI 133 1 D1110 DSUB_G e e R1135 1 pin e pocorn ae E T R1147 DSUB_R lt e e I IK
25. lt G tm C445 C437 O 1uF q 10K o luF 9 16 C423 oT Ev dard POWER 22_A_DIM 52023 Sy OPT 16V 16V e R434 22K 16V OF e POWER_20_A_DIM A_DIM 10K un E m POWER 20 PWM DIM R453 0 ORT j I I I POWER 24 DIM R484 PWM_DIM R472 0 0 e RA71 0 R445 POWER 22 PWM I i 100 OPT am C416 3 9K R606 1 3 3V_Normal 433 0 14 A 10K EN 16V WM PULL DOWN IK R443 POWER_ON OFF_1 10K Q400 i e MMBT3904 NXP 3 3V_Normal 5 o R490 POWER 20 ERROR OUT 10K R437 100 fosh POWER 24 ERROR_OUT ERROR_OUT VN R420 00 Vout 0 8 C1 RI1 R2 1 5319 lt MODULE PIN MAP gt PIN No LGP SU Avo 10 Lamp SHARP IPS m nimc a asus or LIPS PSU PSU PSU PSU eee FOR I PB Download 2 5SV 1 8V 18 INV_ON A DIM INV_ON ON INW ON 3 3V Normal 52 60 ERROR A cot mi I 20 VBR A NC Err out Err out 42 5V Normal 26 32HD NC TJ3940S 2 5V 3L l A To LED DRIVER gt 22 DIVPWM DIM NC NC IN 13 va ssomv2 g e 300 mA I FOR LPB MODEL P Err out I 12507WR 08L 24 ONPFPWNM DIM DIM C43 GND Z eos et 0 1u 16V I 23 GND GND GND GND GND L um gt 403 440 1Ou O 1uF 10V 16 I lt LED MODULE PIN MAP gt late
26. Modulation 16QAM 64 QAM 128 QAM and 256 QAM Scart Jack 1EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT analog 9 Component Input 1EA Y Cb Cr Video only side Y Pb Pr Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Specification 6 RGB Input RGB PC Analog D SUB 15PIN HDMI1 DTV DVI PC HDMI version 1 3 HDMI Input 3EA HDMI2 DTV Support HDCP HDMI3 DTV The number of Input ports is different by model 8 Audio Input 1EA RGB DVI Audio In case of the RGB DVI Audio input 9 SDPIF out 1EA SPDIF out SS EMF 10 USB 1 DivX HD JPEG MP3 DivX HD For SVC download Cl UK Finland Denmark Norway Sweden Russia Spain Ireland Luxemburg Belgium Netherland 12 DVB France Canal Italy DGTVi CI Switzerland Austria Slovenia Hungary Bulgaria DVB C Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise uu aaa RS232C 1EA Interactive mode support 5 Video resolutions 2D 5 1 Component Input Y uox 5994 Domos ar 599 79 oaos ferso 690 Copyright 2012 LG Electronics Inc All rights reserved ae LGE Internal Use Only Only for training and service purposes 5 2 RGB Input PC 9 4 800 137879 45090 7 O 5 1024768 4558 __ 10000 650 Oo 9 s uma 639 n
27. 0120P N2 OUT 2 45V USB A 120 ohm C1452 59 10uF C1453 C1451 10V O 1uF 596 22uF 3 3V Normal i 16V 1455 4 7K OPT USB1_CTL m R1454 T 10K USB_Commercia ILED USB1_OCD 3 JK1450 e gt Q 21 512 4 e SIDE USB DM n SIDE_USB_DP ELECTRONICS MODEL lt DATE BLULK SHEET LGE Internal Use Only eg 7 s ne 1 5V HDMI 1 5V DET HDMI 1 HDM T 1 1 R806 e 10K R896 c IK Q802 B R830 C802 MMBT3904 NXP HPDI R804 e T uF 10K 1 8 E s x gt DDC SDA 1 gt DDC SCL 1 05 0 RRS C o HDMI_ARC 5 REX 0 HDMI gt 9 5 CK HDMI D0 DO0 _HDMI1 i DI HDMII gt D2 1 D2 _HDMI1 Ln JK802 I mr ae t TT cer J E ee 1 SIDE HDMI IDE HDMI HDMI A 5V HDMI 2 5V DET HDMI 2 m BONES R807 e R808 10K 10K R895 R897 e C R828
28. 1080p Component RGB RGB OK 0x1C HDMI1 OK 0xD6 0xF9 HDMI2 OK gt Check the Download to Cl Key value LGset 1 Check the method of CI Key value a Check the method on Instart menu Adjust Check Press OK to Save Country Group Code Country Group Country ADC Data Power Off Status System Model Number D L Test Option External ADC Spread Spectrum Sync Level Tool Option Tool Option2 10 Wireless Ready 11 Stable Count Tool Option3 Tool Option4 Tool Option5 12 0DC Test 480i Component 1080p Component RGB RGB OK 0xD6 0xE9 b Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 1 A 0 0 2 Check the key download for transmitted command RS232 ci 00 10 oc j 1 j 0 3 Result value Normally status for download OKx Abnormally status for download NGx Copyright 2012 LG Electronics Inc All rights reserved 14 Only for training and service purposes 2 Check the method of Cl key value RS232 1 Into the main ass y mode RS232 aa 00 00 CMD 1 CMD 2 Data 0 2 Check the mothed of CI key by command RS232 ci 00 20 CMD 1 CMD 2 3 result value i 01 OK 1d1852d21c1ed5dcx EN CI Key Value Data 0 L Internal Use Only TROUBLE SHOOTING 1 Check the booting Voltage Make sure the Stand
29. 1uFpour DIN2 RIN2 ROUT2 EAN41348201 POWER_OUT R65 For External power 5 POWER OUT GND SOURCE 5 EXT 12V Lf 470pF DV DT SOURCE 4 PSU POWER OUT JE SOV POWER_OUT L54 100K R63 IK ENABLE FAULT SOURCE_3 CE3216PAS0IE PSU_POWER_OUT Switching noise re ducing MPS recommen d EXTI2V CTRL e si POWER OUT I LIMIT SOURCE 2 C64 C65 50V II 0 luF Ng 424V a 22uF O 1uF IC50 5 50V 16V MP4460DQ LF Z GND A POWER OUT POWER OUT NC SOURCE_1 lose t os sw_l BST e 1 10 PSU_POWER_OUT 12V i PSU POWER_OUT 5 T 2 9 e D50 Ton NT uc voc 12 12V 15V 2 EN g VIN 3 3uF 0 1uF A A E e e PSU POWER OUT us 50 5 S ese PSU_POWER_OUT COMP 4 0 2 1 5 FREQ 200K L51 E PSU POWER OUT CB3216PA501E ile C50 1 8W WER_OUT n 5 FB GND R56 R57 150pF 5 6 19 POWER OUT 270K 10K 5 20 6 LIPS POWER OUT 3E O x 5 E 1 16W 1 16W POWER_OUT_ON_SEMI loas 1 1 decor Co 51 1 D gt 2 POWER Za 222248 of DE cus 16V 16y POWER R66 100K NCP803SN293 98258 E a 4 x POWER OUT vec RESET E VY y L50 PSU_POWER_OUT POWER OUT POWER OUT DIODES xD E PSU POWER OUT M 2UH C52 IC51 PSU POWER OUT 22uF C53 APX803D29 j 25V 0 luF 50V R64 100 e gt EXT_PWR_DET POWER_OUT R67 1 2K 1 16W POWER O e THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPO
30. Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously s
31. GPIO91F FE TS mt 2 _2 Dan wa P a lt PWMO GPIO66 TSIDATA 4J GPIO92 TS 5 67 TSIDATA_ 5 GPIO93 F755 FE_TS_DATAT6 VSS_2 PWM Ud PWM2 GPIO68 TSIDATA 6 GPIO94 p14 FE TS DATAT7 NC_22 NC_22 3 5V_ST LED W C poo PWM3 GPIO69 TSIDATA_ 7 GPIO95 ee he NC_22 mE SDA A RJP_CTRL2 re PWM4 GPIO70 LGE2111A W1 MULTI NC 21 AMP SCL LED R C PWM_PM GPIO199 I2C_SDA o NC 20 NC 20 NC 20 3 25 I2C_SCL R143 GPIO36 LVAOP 7 523 1 03 1 04 4 7K H6 GEO ryaaw 1 03 1 Gs SARO GPIO31 24 1 2 1 03 KEY2 SAR 1 GPIO32 gs 9 1039 LVAIN pos 1 02 G4 SAR2 GPIO33 Ds GPIO40 LVA2P AC24 1 I O2 EXT12V_CTRL 22 R101 75 p7 SP O41 LVA2N 1 rum 22 R163 14 SARS GPIO34 7 221042 LVASP 1 00 1 SCARTI MUTE SARA GPIO35 p7 221045 LVAN yoo 22 R164 ABs GPIO46 LVA4P Apos GPIO49 LVAAN NEA ed UO4_LGE2111A TE R23 ES Gon U04_LGE2111A T8 904 LGE2111A VD GPIOS1 NC 18 NC 18 VSYNC_LIKE GPIO145 024 NC 18 z IC101 1 IC101 2 IC101 3 Agi GPIOS2 LVBON s NC_17 NC_17 LGE2111A TE LGE2111A T8 LGE2111A VD R24 e vs NC 17 R25 5 11 1 201 a ie NC 16 NC 16 SP
32. _HDMI4 RXCIP USBO DM AVDD_NODIE AVDD_NODIE GND_71 D1 _HDMI4 ADIO RXCIN usso 22 2 5V Normal 72 n AEI1 A L7 1 18 D2 _HDMI4 RXC2P VDD33 AVDD DVI USB 1 GND 73 ADI ACI2 Se USB DM T L211 AVDD2P5 172mA M7 GND ee D2 _HDMI4 R4035 55 RXC2N USB1_DM USB BLMISPGI2ISNID AVDD DVI USB 2 E AES AE12 P7 8 DDC_SDA_4 R4036 52 DPCDC_DA GPIO28 USB1_DP SIDE_USB_DP e R7 AVDD3P3_MPLL GND 75 DDC SCL 42 71 27 SIDE USB AVDD_DMPLL GND 76 vio AMP SDA C269 C271 C273 C274 HPD4 C C270 GND 77 HOTPLUGC GPIO21 10uF OQ 0 1uF T0 1uF C4045 1uF M19 E3 I2S_IN_BCK GPIO150 f 11 DVDD_NODIE GND_78 CK _HDMI2 RXDCKP 125 SD GPIOI15 e GND 79 ee D9 v7 MIS CK _HDMI2 RXPCKN 125 IN WS GPIO149 SIDE COMP DET AVDD_AU33 w AU33 80 00 HDMI2 Fl RXDOP B10 AVDD2PS MOD AVDD EAR33 GND 81 MI8 D0 _HDMI2 RxpoN I2S_OUT_BCK GPIO156 C gt AUD SCK AVDD25_PGA 13mA d 82 D1 _HDMI2 DS OUT MCK GPIOI54 AUD_MASTER_CLK BE2295G121SNID VDD33 e T19 GND D1 _HDMI2 RXDIN 125 SD GPIO157 gt AUD_LRCH d c e VDDP 2 GND 84 xi m D2 _HDMI2 RXD2P GND_85 H3 N W18 N13 l D2 _HDMI2 KIOSK 55 RXDN C4070 e wig VD
33. and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board mod ule or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying
34. by Voltage P 403 9 42pin 35V ST Make sure the Power Connector Yes Make sure the Micom voltage Exchange the L404 L404 x35V ST Yes Make sure the CLK of X201 No Exchange the X201 Is 24MHz Yes Make sure the PWR ON of P403 No Re download of Firmware No 33V Yes Make sure the Multi Voltage No Exchange the circuit board P 403 2pin 24V 17pin 12V Yes Make sure the Output Voltage of IC 402 3 7 the 402 3 7 IC402 25V 1C403 11V IC407 15V 0403 33V Q Exchange the Q409 Exchange the Mstar IC101 Or Main board Yes Make sure the voltage of LVDS Power 0409 12V Yes Make sure the output of MSTAR LVDS Yes Exchange the circuit or check The LCD module Make sure the Inverter control and error 403 18pin High 24pin Low Yes Exchange the LCD Module 2 Digital TV Video Checkthe Stand by Voltage P 403 9 42pin 35V ST Yes Check the Tuner 33V Exchange the L3703 L3703 Y es Check the Tuner 1 No Exchange the IC3703 1 3703 2pin 1 8V Yes Checkthe IF P N signal No Exchange the Tuner TU3704 10 11pin Yes Check the LVDS output signal of Mstar IC No Exchange the Mstar IC101 Or Main board Copyright 2012 LG Electronics Inc All rights reserved 5 lt Only for training and service purposes Make sure the disconnection of Main board 3 5V circuit Exchange the Mstar IC101 Or Main board Exchange the Ci
35. purposes Seja Dis Con _ oMStar ISP Utility A gt 22 Restores i Use USB E2PROM Device Setting Pin Definition n x Communication Setting 1 Speed 74 a gt EA SDAow SCL out ji j Roughly Speed 450 KHz LER ESSE usss PIN PINIO Reverse High SPI Setting E Auto Detect USE SPI 7 pin 1 switch UART I2c 2 Pull all Pin High gt Elapsed Time 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 GE Device Load Read Auto E Sauce File ReConnect Blank Read File HDCP Key Checksum Key 1 Restore Data I Multi Flashes Flash 0 Flash_1 Flash_2 Flash_3 Program Verify Erase Device Exit ISP All Chip C File Area C Erase Area First KBytes I up C Partial Erase E 380KHz USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded
36. reserved Only for training and service purposes SECRET GElectronics ELECTRONICS HDMI CEC HDMI EEPROM C806 5V HDMI 1 5V_Normal 2 v lt ENKMC2838 T112 D821 ae R884 R888 uk 2 7K 7 DDC SCL 1 C DDC SDA 1 5V HDMI 2 5 Normal 2 2 ENKMC2838 T112 T D822 DDC_SCL_2 JDDC SDA 2 5V HDMI 4 5 Normal lt 2838 112 Y po SCL 4 LLL SDA 4 43 5V ST OPT A 68K e R854 For CEC R855 1 E R856 R857 10K 55 oe GE e CEC REMOTE S7 OPT z Q806 a x 7 S11012CR T1 GE3 lt 5 E C805 E 0 luF 2 16V m MODEL DATE BLULK 20110324 LGE Internal Use Only HEE
37. 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 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged eas ily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before han
38. 02 L2402 100 BLM18PG121SNID 25358 KEY2 e THR 1 7 C2401 C2402 D2402 O luF O luF me ae ee lA I LIU I AMOTECH I D2401 s d 5 6 1 2403 BLMISPGI2ISNID yeas 3 5V_ST 1 7 C2403 C2404 O luF TOOOpF R242 16V ii ag 50V 47K R2428 z 22 8 JP2 IR lt e i e C2407 Ly 100p 72405 R2413 1 5K ipo SOM S 6V LED W IR OUT R2414 1 5K m Ea xx mm mm z mm mm ES mm mm LED I 3 5V_ST OPT OPT A C2410 m C2411 I 0 0 JP2405 43 5V ST R37 EU ASIA A Ll R36 iz 22 R39 5 our EU i I IR_OUT R38 IR_OUT Q30 10K 28C3052 IR_OUT_EU_ASIA R40 47K I Q31 IR_OUT s OUT I I R41 0 l ELECTRONICS MODEL DATE BLULK SHE T 20110324 LGE Internal Use Only THE 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 THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes USB LK437 ONLY JK1450 1 Z 3AU04S 305 ZC LG SECRET LGElectronics USB_DIODES EAN61849601 IC1450 L1451 1 AP2191DSG CIS21J121 F L1451 MLB 201209
39. 04 7K C1401 0 luF SPI SCK SPI CS e 5 SPI SDO FLASH WP e R1401 B Q1401 1035 SCLK R1405 SI SIOO 33 gt SPI SDI S FLASH MAIN WINBOND IC1401 1 W25Q80BVSSIG VCC HOLD IO3 DI IOO THE 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 MUDEL szrm DATE 20110324 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Electronics SL LILK Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes ELECTRONICS RJP 12V 15V A RJP L1800 Q1800 BLMI8PG121SNID A ET e 7 e e 1 C1801 RJP R1800 C1800 C1803 10K 2 2uF R1836 22uF gt 1802 RJP I 16V RJP PROTECTION G Guy 16V 10K e OPT RJP R1801 Q1802 10K AO3407 ARJP PROTECTION 7 e
40. 1 Tn Him m Ti Ti Ti Ti Ti TITI Ti TIT TI TI TI Ti TI Ti Ti TI TI T TI mimimim m Circuit Block mimimimimimim gt T Ti TI Ti Ti Ti T Ti TI TI Ty Ti mn TI Ti 1 TI Ti TI Ti TI Ti Ti Fo FF FE FF FF Data R G B amp i _ Gamma Control signal Reference Voltage Gamma Reference Voltage I I I 2 FHD HDMI EDID data i 5 I I I Source Drive IC Column Line 4 I Cic Csr Liquid Jessa Crystal 2 3 4 00 00 00 60 a b j 10 01 03 80 78 OA EE 91 54 99 26 20 oF 50 54 1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 01 01 02 18 71 38 2D 40 58 2c 40 45 00 A0 5A 00 1E 66 21 50 BO 51 OO 1B 30 00 00 1E 00 00 00 FD 00 20 20 20 20 20 09157742 18 1c 16 20 58 2C 25 00 20 c2 Adjust sequence m Press the PIP key of the ADJ remote controller This PIP oo oo 4D s2 1E 20 o E EE EO Be 28 65 40
41. 1 e GND_136 ET_COL LEDO GPIO55 R205 R298 wm 1 10V_VDDC 200 199 5 3 2 gt V A MIUVDDC A M 4 7uF Z R217 L228 NA 10V 5 0 e x Er AVDD_NODIE 7 362mA BLMISPGI21SNID IRIN GPIO4 IR gt RES T6 R210 33 C231 0 047uF ARCO 11 HDMI D200 43 5V ST N5 KDS181 AVDD_NQDIE C4071 C4062 HWRESET SOC_RESET i56 R200 201 BLMISPGI2ISNID JU C286 C252 O IuF 0 1uF THE 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 THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC 20110511 T LGE Internal Use Only SECRET SECRET DATE SHEE ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 5 3 5 gt 3 375V gt 3 46 r w
42. 2 OUTIB 1 199 12 12 THERMAL SPKL DVDD PLL ff 3 PGND1B 49 B TIB 22000pF 50V A IC501 DGND_PLL 5 VDRI e SPK L4 GND f6 N TP 7S500L 5 DGND 7 AGND DVDD 9 VDR2 SPK_R C528 C529 C534 SDATA 9 BST2A luF luF AUD LRCH 25 25 25 SPK_R ff io PGND2A AUD LRCK 22000pF x BCK OUT2A_2 4 AUD scx 11 AMP SDA R503 SDA 12 OUT2A_1 l 35 ST C509 wee c N NNN as A oe ea e gt SPK_R e 9 sa AS NS D RM R502 E m qa IN4148W 12 12 L503 R520 10K R506 Q Q Q 2 NIN A 10 0uH 539 R518 x lt e F 505 14x C536 ped 100 505 2D 50 L504 20V p 10 0 s SPEAKER R Root B 501 1000pF O O A A A C520 522 C524 Q sov L Q OO 533 MENS IOK MMBT3904 NXP 5 5 5 0 1uF 0 1uF 10uF L E taig 50V 50V 35V D504 50 540 R519 e e INA148W R511 R512 0 1uF 4 7K 22000pF 100 12 12 50 50 e e e e e e e SPK R R522 0 e e POWER DET THE 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 SYMBOL MARK OF THE SCHEMETIC GFlectronics MODEL Gr3 s
43. 32C COMMAND CMD ID DATA MIN lt Caution gt Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are all CO itis the FULL Dynamic Range of Module Manual W B process using adjust Remote control After enter Service Mode by pushing ADJ key Enter White Balance by pushing gt key at 8 White Balance EZ ADJUST White Balance 0 1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool 5 5 Country Group R Gain G Gain B Gain R Cut G Cut B Cut Test Pattern Backlight Reset 6 Area Option 7 ADC Calibration 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting After you finished all adjustments Press In start key and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON 4 2 DDC EDID Write RGB 128Byte m Connect D sub Signal Cable to D Sub Jack m Write EDID DATA to EEPROM 24C02 by using DDC2B protocol m Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in adv
44. A PCM_IOWR lt PCMIOWR_N GPIO109 A 33 idis SPI SCK he 4 uu e um R132 AD21 f D3 22 R154353 R146 SPI_CS 10K CEC PCMCE_N GPIO115 PM_SPI_CZ0 GPIO_PM 12 GPIO DIMMING 7PCM_IROA e AC20 B2 SPI SDI R133 vis PCMIRQA_N GPIO105 PM SPI SDV GPIO2 RI pec l lt 9 0 cr ee b E 2 BI uman x C S ME ER NO a Sama 0 mama 10K PCM_CD 5 PCMCD N GPIO130 PM SPI SDO GPIO3 f S RIAI FLASH SPI SDO WAIT PCMWAIT_N GPIO100 PCM_RST lt T 2 61 PCM_RESET GPIO129 eme a FLASH 1G SS NAND FLASH 1G TOSHIBA A DMC 10K PWMO 0 1uF ZZ0 1uF Aa CL TS_CLK FLASH 1G HYNIX u L TSOCLK GPIO87 CI TS VAL EAN61857001 EAN61508001 GELD U21 AA10 FS SYNG EAN35669102 1 102 2 1 102 3 BET R157 100 PWND PCM2_CE_N GPIO131 TSOVALID GPIOSS I9 K9F1G08U0D SCB0 TCS8NVGOS3ETAOBBBH CICD1C 1 USBLCIL 77 PCMO N GPIO132 TSOSYNC GPIO86 TS DATA O 7 H27U1G8F2BTR BC 22 R120 R20 id c 2 CD 135 TS DATA 0 o PRESS KS T20 Y13 _TS_ C111 22 opr R122 PCM_5V_CTL u PCM2_WAIT_N GPIO133 TSODATA OVGPIO77 TS from CI SLOT NC_29 2 as PEROU PCM2_RESET GPIO134 TSODATA IVGPIO78
45. B15 DDR3_BA 0 B DDR3 BA 0 4 B MBAO ee Arr Ms E o 4 Doc A MBAI B DDR3 B MBAI E2 c2 E2 gt AMBA2 Z E13 BAH F20 B MBAI lt A MB MB C1209 A MBA2 A DDR3 BA 2 B DDR3 BA 2 B MBA2 ec BMBA2 Al Al E8 7 E8 S e N 17 8 17 8 F9 A2 F9 a 20 1 C17 G25 J GI Gi o 50V A MCK A DDR3 B DDR3 MCLK B MCK x c G9 A3 G9 ww A17 G23 K9 C9 3 A MCKE A MCKB Bie DDR3 MCLKZ B_DDR3_MCLKZ e B MCKB 5 p D AMCKB A MCKE A_DDR3_MCLKE B_DDR3_MCLKE B MCKE Sike Es i ro mU F1 K1 F1 J3 H2 J3 H2 IC1201 2 IC1202 2 A MODT El4 D20 K3 H9 K3 H9 NT5CB64M16DP CF NT5CB64M16DP CF A MODT B_DDR3_ODT B MODT AVDD_DDRO 5 B12 P eM T 5 3c 22 25 B MODT lt 13 13 MRAS RAS MRAS 1 1 5 R1231 12 Boni B24 AVDD DDRI B MRASB T2 9 a j DDR 1333 NANYA NEW DDR 1333 NANYA NEW E N3 M8 8 A MWEB 10K 6 C12 E A24 a A B MCASB lt 1 Ll Li B7 EAN61857201 VREFCA EAN61857201 VREFCA i ADDR WEZ WEZ R1232 BMWEBB L9 Lo Pa Al A MRESETB TN F11 E20 B E Ine 7 T7 N2 HI HI MRES RES B DDR3 RESET MRES G3 G3 A_DDR3_RESET E E B MRESETB lt e P2 C7 gesi A9 C7 9 R8 L8 AS L8 14 lt 2A MDQSL Me B19 K24 H a B7 vss 2 B7 vss R2 A6 A MDQSLB APA 5 5 PODES
46. D LPLL 1 86 Li DDC SDA 2 037 gt us DPCPP_DA GPIO30 n T UE AVDD LPLL 2 GND 87 ly DDC SCL2 Bs DDCDD CK GPIO29 I2S OUT WS GPIOI155 AUD Fio GND_88 SHE HPD2 m Ra HOTPLUGD GPIO22 VDD33 VDDP NAND 89 ry S7 Pg GND 90 CEC GPIOS AB9 C236 2 2uF gt AVDD25_PGA l SC1_L_IN PG GND_91 m 5 l 11 C237 2 2uF J17 K7 a ES IN AVDD_MIU AVDD_DDRO_D_1 GND_92 510 2 Y9 C238 2 2uF L219 K15 P8 DSUB_HSYNC e R4025 un AAS Il ie AV_COMP_PC_L_IN O BLM SPGI2ISNID AVDD DDR0 D 2 93 DSUB_VSYNC AV_COMP_PC_R_IN AVDD_DDRO_D GND_94 Ed R228 33 C204 0 047 N2 AAT 4059 2 2uF x R229 68 C205J 0 047 P3 8 SELAN j2 2uF OPT C4027 I 96 R230 33 C206 0 047uFy Y8 C242 K17 P13 12 DSUB_G e 11 Pine e AVpp ppRi D 1 97 sic li ss ucc Ji iS ppo 2 mE 233 68 C2001 l M2 AD7 C245 ll 2 2uF OPT PC L BLM18SG121TN1D L16 AVDD DDRI D GND pis F II AVDD DDRI C 100 A eet S x a 11 P Close to IC with width trace GND_101 T SCARTI R
47. DI 0 C R1908 100 2 DATA 3 5 CI DATA 4 m AR1901 5 _ _ 7 CI TS 4 CI_DATAI6 PIE TS DATA SK 1 7 r 33 lt ICI TS_DATA 6K 6 ET MISTRT FE TS SYNC 7 7 I FE TS VAL ERR ICI TS DATA 7K 7 ADDRTIO 1_ ERR R190 10K TUNES FE_TS_CLK SAN e CI OE L CILIORD CI ADDR 9 IOWR ADDR 8 L J CI ADDRI I3 CI MDI 0 ADDR I4 CI MDI 1 CI MDII 2 CI MDI 3 mpm gt PCM IRQA C190 NA nm GND CI MDI 4 OPT OPT 0 1 a MDI 5 ADDR 12 CI HOST I F CI MDI 6 CI ADDR 7 CI MDI 7 7 CI ADDR 6 roe R1902 47 R1901 47 CI ADDR 4 WAIT lt CI ADDR 3 ds um R1925 33 CLADDRI2 a VIDA c R192 33 CI CLTS SYNC RIZ NTC I lt CI CI TS CLDATATZ CI_ADDR 0 14 I 75 DATA 1 C 1 CI TS DATAI2 C TS_DATA 3 C E l AR1903 5 x i I 5 2 5 CI DET ICL_CD2 81997 100 22 1 1902 5V_Normal GND C1913 A O 1uF a 5 16 1914 12pF L l L Eu R1904 i I dE GND PCM AI0 I CLOSE TO MSTAR 10K C1904 I OITO742440D
48. DR3 A 4 B MA4 EZ ES VSS 1 58 1 R1203 AS 2A MAS E12 P a F21 B MA4 lt AA P3 222 7 Sea B3 dr A6 gt A MA6 2 A14 4 DPR3_ADI I m E23 B MAS lt 5 R1226 N2 Hi N2 ves E vss 3 E ke G8 re G8 240 A7 A MA7 PPR AI6 B_DDR3_AI6 577 A6 ES G rs VSS 4 VSS_4 1 7 Bia B_DDR3_AI7 F554 7 BMA7 3 240 P2 5 P2 22 D3 vsss L2 MA m 8 A MAS8 DDR3 B_DDR3_A 8 B MAS 1 R8 L8 R8 L8 18 1 d Sa D 3002 2 D21 B MA9 BMA oe vss SAMA gt zt C24 MAO lt T8 T8 F7 SR i A_DDR3_A 10 B_DDR3_A 10 10 s 2 us Mj F2 vss po 11 17 49 D9 L7 Do P F8 eS A12 BC soa B MA11 AM ALO AP vss_10 3 vss_10 12 A_DDR3_A 12 B_DDR3_A 12 12 mE R7 G7 Ri G7 VSS 11 VSS 11 1 EE AS 5 T B MA13 N vss_12 I vss i2 5 B13 A_DDR3_A 13 B_DDR3_A 13 D23 B MAI3 A13 T3 A12 BC T3 A12 BC kS i G2 MG 14 A_DDR3_A 14 B_DDR3_A 14 14 A13 NI A13 Wi H7 E M7 M7 NO Bl Bl AVDD_DDRO NC_5 Ri NC 5 ki B9 D7 B9 L 2A MBAO mh 9 A MCK 4 F13 G20 M2 RO RO DI D1 aMBAI
49. EDID Pin3 exists Digital EDID Pin3 exists 2 Never connect HDMI amp D sub Cable at the same time 3 Use the proper cables below for EDID Writing 4 Download HDMI1 HDMI2 separately because is different from HDMI2 For Analog For HDMI EDID D sub to D sub DVI D to HDMI or HDMI to HDMI Manufacturer ID 1E6D LGE Internal Use Only 1 FHD RGB EDID data f Vendor Specific HDMI Model name HEX 67030C001000 5 00 00 00 1 60 a b 10 01 03 68 78 OA EE 91 54 4C 99 26 20 OF 50 54 1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 O1 01 O2 18 71 38 2D 40 58 2c 40 45 00 ao 5 00 00 00 66 21 50 Bo 51 30 00 00 00 00 O0 00 FD 00 60 53 10 00 20 Ld idi Ll FF 00 00 e 4 5 V COM Adjust Only LGD M S Module Why need Vcom adjustment FF FF FF m The Vcom Common Voltage is a Reference Voltage of Liquid Crystal Driving Liquid Crystal need for Polarity ERE Change with every frame Fe FF FF mH uL Him mimimimmm T gt gt TI Ti
50. GB COMPI il GND_102 2 E9 R9 353 SCART OUT GND_103 v2 R11 SCI ID XTERN EAKER GND_104 V3 W6 E AL SP GND ibe R12 E s y A23 R13 Ned EU R253 33 EU C211 0 0474 U3 V6 SCARTI Lot e uon z 254 G V4 4 BIJ EIS R255 1 TI Y7 AMPL e GND_107 I PT SC1_G AA ETO D Te _ TP208 DDR3 1 5 e 108 T9 R256 6 C2145 10 047 T2 WS AS e ul gt SCARTI e GND_109 EU R257 33 C2154 0 047uF R2 US EXT R e ND 18 N7 R258 6 0 04709 RI x C19 T11 8 55 216 que usum 1 5V_DPR AVDD_DDRO 55mA e GND 1 5 SOG IN 11 e GND 112 D14 T13 4 AVDD e GND 113 D18 T14 L209 e GND_114 AA2 BLMISPGI2ISNID e 19 GuD quede SIDE COMP R237 33SIDE COMP C218 0 047uP Y2 e AL E17 a 716 SIDE_COMP_Pr pm l5 mo L202 P GND 116 7 EE BLMI8SG121TNID reales 55 OPE eel 3 e GND 117 Q SIDE COMP R239 9IDE COMP C2204 10 047uF W2 ADS s qa o 2 Ome s s 3 SLT E19 U8 SIDE COMP Y e s 2 Umm
51. I1 DI GPIO202 AC Gpro74 LS NC 16 AB25 a T21 Lvgap 4423 _ gg GPIO36 LVAOP 7 523 6 LVAOP GPIO36 2 T22 SPI2_CK GPI0203 24 GPIO37 LVAON GPIO37 LVA0N GPIO37 LVA0N GPIO38 LVAIP GPIO38 LVAIP BR GPIO38 LVAIP 5 2 DI GPIO204 LVB4P ES GPIO39 LVAIN AD2S ES GPIO39 LVAIN ES GPIO39 LVAIN LVBAN GPIO40 LVA2P GPIO40 LVA2P GPIO40 LVA2P AT2A D GPIO41 LVA2N Aes 3 D GPIO41 LVA2N LVACKP B7 AE23 B7 GPIO41 LVA2N B7 AD E7 GPIO42 LVA3P E7 GPIO42 GPIO42 LVA3P LVACKN 23 NAND_FLASH_2G HYNIX p 9 045 LVA3N ic p 921045 LVA3N p7 045 LVA3N wo EAN60708701 Aps SPIO46 LVAMP Apos ABs 46 LVA4P ABS GRIOS LVA4P LVBCKN GPIO49 LVA4N GPIO49 LVA4N GPIO49 LVA4N IC102 4 ABS 196 525 GPIOSO v23 PO GPIOSO A9 GPIOSO U23 HY27UF082G2B TPCB GPIOS1 LVBOP GPIOS1 LVBOP GPIOS1 LVBOP GPIO193 ABI 52 LVBON 25 Ani 52 LVBON ABI 52 LVBON GPIO194 T23 2 SCKMO GPIO53 LVBIP SCKMO GPIO53 LVBIP 2 SCKMO GPIOS53 LVBIP 195 NC 1 NC 29 ms 2 SDAMO GPIOSA LVBIN I x I2C_SDAMO GPIO54 LVBIN as 12C_SDAMO GPIOS4 LVBIN STI R_DI VX MIS 10 AC2 GPIO73 LVB2P W23 AC2 GPIO73 LVB2P AC2 GPIO73 LVB2P IC 1 O 1 IC104 1 GPIO74 LVB2N GPIO74 LVB2N GPIO74 LVB2N NC_2 NC_28 mE LGE2112 T8 M24256 BRMNGIP vu Herons NC_3 NC_27 NVRAM ST LvB4P LVB4P LVB4P LVBAN LVB4N
52. LVBAN NC 4 NC 26 IC103 1 EO AE LVACKP LVACKP AB25 AMP RESET LVAOP gt NC 5 1 07 CAT24CO8WI GT3 H RECV TV AGEN AEN GPIO36 AB23 m LVBCKP oi RG LVBCKP 5 HDMI 1 GPIO37 LVAON PS gt RXAO NC 6 1 06 NC 1 vec El WS LVBCKN LVBCKN LVBCKN 5V DET HDMI 2 GPIO38 LVAIP A524 gt RXA1 E UOS sE m PA GROSS 125 aioe 5V_DET_HDMI_4 GPIO39 LVAIN gt RXAI GPIO193 GPIO193 GPIO193 AV CVBS DET GPIO40 LVA2P L gt RXA2 GPIO194 E GPIO194 GPIO194 A DSUB DET GPIO41 LVA2N gt RXA2 RE 94 A2 SCL GPIO195 GPIO195 GPIO195 AE23 vss SDA SC1_DET GPIO42 LVA3P cos NC 25 Z vss SDA EXT_SPK_DET 45 LVA3N ACH gt RXA3 NC_7 NC_24 RJP_CTRL3 GPIO46 LVA4P Apod gt RXA4 EAN61548301 TUNER_RESET 1 GPIO49 LVA4N gt RXA4 NC_8 NC_23 HDCP_BEPROM_ON_SEMI_NEW ee ES s s MODEL OPT 0 R171 22 50 V23 1 vcc_2 rre c EXT_PWR_ DET ccm LVBOP EUM RXBO 43 3V Normal MODEL OPT 1 52 LVBON VSS 1 VSS_2 i Come pcc MODEL OPTION 8 5 gt gt RXBI 54 LVBIN gt RXBI Nes Rec HDCP EEPROM 3 3 Normal EEPROM rr W25 A Addr 10101 MODEL OPT 2 GPIO73 LVB2P gt gt RXB2 D GPIO74 LVB2N gt RXB2 IC104 C105 RJP_CTRL4 A23 CLE NC 20 0 1uF LVB3P gt RXB3 HDCP_EEPROM_CATA
53. LYST_OLD fee gt RXB3 ALE 1 O3 AA25 CAT2AWCOSW T Foy gt RXB4 WE 1 02 R113 C 107 HDCP_EEPROM LVBAN gt RXB4 4 7K lu vec L PM MODEL 0 WP I O1 HDCP EEPROM re 11 ni SEE LVACKP DEM gt HDCP WP AD24 NC 11 1 00 RI 4 7K PM_MODEL_OPT_1 LVACKN gt RXACK SCL R128 22 HDCP EEPROM PESCE LVBCKP gt NC_12 NC_19 SCL i R175 R176 WA E SDA TACT KEY PWM_LED LVBCKN gt RXBCK NC_13 NC_18 129 22 SDA R112 22 125 I2C_SDA I2C_SDA GPIO196 5 3 NC 14 NC 17 uy Ip C106 193 T24 ODEL OPT 4 NC 15 NC 16 8 GPIO194 ODEL_OPT_5 gt QER applied on only SMALL PCB THE 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 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SECREI 20110511 MUDEL DATE BLULK SHEET ELECTRONICS LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 3 3V_NormaK MODEL OPTION
54. M_D 4 PCMDATA 3 GPIO120 R 1 04 B5l_no_EJ 4 b0000 Boot from 8051 with SPI flash 15 PF OE SB51_WOS 4 b0001 Secure B51 without scramble PCM pi 21 19 AR103 NC 25 SB51_WS 4 b0010 Secure B51 with scramble PCM DI6 AB2I PCMDATA S GPIO118 18 e MIPS_SPE_NO_EJ 4 b0100 Boot from MIPS with SPI flash PCM DI7 PCMDATA 6 GPIO117 NF CEIZ GPIO138 NC 7 NC 24 MIPS_SPI_EJ_1 4 b0101 Boot from MIPS with SPI flash PCM_A 0 14 1 15 ACI7 WP z oS 5 SPI EJ 2 4 b0110 Boot from MIPS with SPI flash 5 PCMDATA 7 GPIO116 NF_WPZ GPIO198 Bud NC 8 NC 23 10uF MIPS_WOS 4 b1001 Secure MIPS without scramble PCM CEZ GPIO137 ACI amp C101 MIPS_WS 4711010 Scerur MIPS with SCRAMBLE W20 PCMADRIOJGPIO125 _ 20 19 2 9 1 E 5 _1 VDD2 e ADI wo PCMADRIIV GPIO124 NF REZ GPIOI39 575 OE 3 3 Normal VSS 1 VSS 2 C103 3 3V Normal ABig PCMAPRI2VGPIO122 WEZ GPIO140 e 0 1uF PCM PCMADR 3 GPIO121 NF ALE GPIO141 poy _9 NC_22 AA20 ADI9 ERB R105 eee PCM ALS PCMADRI4V GPIO99 RBZ GPIO142 pc e NC_10 NC_21 51015 PCM_A 6 vio PCMADRISV GPIO101 AR104 a lt 22 ETT P E PCM AT7 ABIT PCMADRIGI GPIO102 L mone
55. P BD BLM18PG121SN1D e GND 49 2 E RXA2N ae C240 C241 PLS AVDDIPO 50 P 2 e R4033 22 TS 0 10 Sa cone P19 SDA 1 R4034 22 TA DDCDA_DA GPIO24 C4064 R4019 lt 1 R16 FB_CORE GND 51 111 DDC_SCL 1 vs PDCDA CK GPIO23 O luF 111 52 115 HPDI ca HOTPLUGA GPIO19 NE AVDDIO LAN GND 53 ADD R4020 MIUVDDC DVDD_DDR GND 54 111 R4004 0 GND_55 AE2 R4001 0 0 xx C4065 55 GND 56 OPT 0 047uF AVDD2P5 e SD AVDD2P5 1 GND 57 718 TUNER 25 c rl LIP ee Pul AE6 wil es J19 SCKMI GPIO75 gt TU wis VDD2P5 Apc 3 59 F555 2 SDAMI GPIO76 TU SDA AVDD25 REF GND 60 L Close to MSTAR GND_61 Y17 Avppes 62 3 261 22 25 LAN E ADI 14 GND 63 ACI edi V18 z H10 555 x AVDD2PS MOD lt i AVDD MOD 1 GND 64 iis HOTPLUGB GPIO20 MIU h oo AVDD MOD 2 GND 65 ro AE9 D7 R2970PT 0 GND 66 1 SPDIF IN GPIO152 gt DET S8 GND 67 Acio RXCCKN SPDIF_OUT GPIO153 u e ee s AVDD25 wis 0025 GND 68 15 HDMIA RXCOP AVSS AVSS_PGA GND_69 Normal 2 5 18 HDMIA RXONN p3 ds 70 75 D1
56. RATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Electronics GHEE Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes lt C D T ELECTRONICS LVDS for large LVDS Connector For FHD FHD P703 FI RESIS HF J R1500 95 N LVDS_SEL 3 3V_Normal A OPT R705 3 3K OPC_EN R706 0 PWM DIM OPT R710 10K OPC SEL 1nch FOR FHD REVERSEC1 Obit Change in S7LR LVDS Connector For HD 60Hz Normal 3 3V_Normal A OPC_EN R703 3 3K 4 RXA4 RXA3 RXA3 RXACK RXACK RXA2 RXA2 1 1 RXAO RXAO BIT_SEL RXB4 RXB4 RXB3 RXB3 RXBCK RXBCK RXB2 RXB2 RXB1 RXBI RXBO RXBO FA A PANEL VCC A L702 70 ohm 10K BIT_SEL_LOW R709 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZA
57. RDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET GElectronics 16V C700 C709 C710 1000pEZ 0 1uF 50 16V OPT R704 10K Pol change HD RXAO RXAO P705 RXAO RXAO FF10001 30 RXAI RXAI RXAI RXAI 1 RXA2 RXA2 2 e LK437 ONL RXA2 RXA2 3 R713 0 RXACK RXACK 4 RXACK RXACK 5 6 6 M RXA3 RXA3 7 RXA3 RXA4 4 8 e RAAR 9 RXACK RXACK RXA2 RXA2 RXAI RXAI LVDS_SEL RXAO vlc pe rr 3 3V Normal RXAO A R712 3 3K PT R711 10K PANEL 9 HD e lt L701 70 ohm FOR FHD REVERSECS8bit Change in S7LR OPT OPT HD C701 C702 C703 Pol change RXA4 RXA4 RXAO RXAO RXAI gt RXAI RXA2 RXA2 RXACK RXACK RXA3 RXA3 MODEL DATE BLOCK Evos SHEET LGE Internal Use Only ELECTRONICS 3 5V_ST 3 5V_ST A A S FLASH MAIN MACRONIX IC1401 e MX25L8006EM21 12G OPT R14
58. RJP_PROTECTION R1833 5 1K RJP PROTECTION JK1800 a e R1835 KRJV9768 1001 024 RUE PROTECTION es L R1834 RJP_PROTECTION E 5 1K NORMAL R1856 0 R1806 510 RJP e e e e gt CTRLO R1804 510 e gt CTRLI R1805 slo RIP e e RIP CTRL2 R1807 510 gt R1854 510 e gt CTRLA a amp amp wa gt 5 gt 5 x x e BC MCCC I A Bs we wes vm Sac 552 BRS EN gt gt aO Mer 647 Mec Moo v o v 5 v Bx A gt AI Az 5 8 8 5 4 A A Ar A g o B8 00 00 o oo 5 o o6 0 az Bs Bm NI Q NU e e eee 45V SUB AMP A SPEAKER OUT JACK C1835 C1836 22uF 0 1uF SM EXT SPK EXT SPK JK1801 PEJ029 02 G_SPRING L1802 EXT SPK EXT SPK e CY EXT SPK R 3 AF8 IC1800 pene L1803 EXT SPK TPAGO1 1A4PWPRG4 ES EXT_SPK_R 3 AF8 R SPRING e L1804 EXT SPK EN EXT SPK L 3 AF8 PGND 1 ROUT gt T_SPRING e L1805 EXT SPK e TH EXT_SPK_L 3 AF8 EXT_SPK_R ROUT SE BTL EXT_SPK B_TERMINAL 009 X24 EXT SPK R lt x R1813 009 X24 C1812 Sisto ci cu a 1K 39pF m 39pF 39pF 39pF PVDD_1 HP LINE EXT SPK gt X E T TERMINAL OPT OPT OPT z R1846 XT_SPK e IK 0 R1849 RHPIN VOLUME 3 3K 2
59. SIA 3 3V_TU RITI B Q3703 C MMBT3906 NXP 3 3V_TU OPT IF AGC 1 2V 1 8V_TU C3707 C3708 A C3739 100pF 3 50 16V 10uF DIF P 6 3V R3733 C3750 C3751 mo 3737 cons 705 5 100 SpF 25 s 100pF 0 1uF 22uF e TUNER RESET 50 50V DIF N L sov 16 an 25 dlose to the tuner pin add 09029 wee ASIA AS u 6 R3780 R3781 ASIA R3782 ASIA _ 4 2K R3704 100 OPT IF_AGC MAIN e b R3785 R3786 should be guarded b round SHIELD g yg UM C3716 O 1uF li 1 2 1 8 A v 3 3V_TU R3760 0 AZ1117BH 1 8TRE1 2 e gt IF N _MSTAR 83766 m n R3761 0 J 1 2 I ee a 1 should be guarded by ground Close to the tuner 2 No via on both of them 3 Signal Width gt 12mils C37 N C3740 mo Signal to Signal Width 12mils 10uF a Ll Ground Width gt 24mils 10 44 0929 3 3V_TU 3 3V_Normal A A Size change 0929 L3703 MLB 201209 0120P N2 60mA e TR C3723 C3725 3727 22uF 0 1uF 0 luF 10V ie 16 THE 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 SYMBOL MARK OF THE SCHEMETIC LG Electronics Copyright 2012 LG Electroni
60. TV MNT_VOUT JE 000 SYNC_IN OPT 1 0177 RI635 390 YNC OUT R9910 2 EU 75 1642 8 YNC GND2 e D1610 628 Res RIG3O 15K gt SIDE_COMP_Y 21603 30V 7 Gain 1 Rf R D9907 YNC GNDI 100uF ae s due SIDE COMP 0 16 SIDE_COMP RGB_IO OPT 8 EU OPT i gt SC1 FB D9905 OUT R1627 30V sci_R EU OPT 22 75 GB GND D1004 8 R9909 30V R1608 75 SIDE_COMP_Pb EU_OPT SIDE_COMP SIDE_COMP 5 GND RA221 SIDE COMP 75 R9908 OUT a SIDE_COMP_Pr e e L gt SC1_G PV SIDE COMP DB D1605 EU OPT SIDE COMP p R1604 GND 9 75 ID e 3 GET 5 ID koi B Bers Duro Tun OPT PISOS 30V 15K R1629 AUDIO LIN D1606 3 9K EI B_GND EU_OPT UDIO GND e EU OPT UDIO L OUT 1617 m 10K AUDIO_R_IN 3 e e SER SCI L IN L1604 EU OPT EU OPT UDIO OUT D1607 R1606 120 ohm C1611 R1630 5 6V 470K EU_OPT 330pF 12K OPT EU_OPT 50V PSCOO8 01 i EU_OPT I K1 2 R1618 JK160 OR SER S gt IN L1603 EU OPT D1609 120 ohm C1612 5 6V EU OPE R1631 OPT R1607 F 330pF 12K 470K 50V EU_OPT E EU_OPT A 3 5V_ST SEN DTV MNT L OUT D1608 EU OPT EU OPT U OPT 5 L1601 C1609 C1618 DTV MNT_L_OUT BLMISPGI2ISNID 160058 aono EU OPT OPT p EU_OPT R1652 ur UE Q1607 10K MMBT3904 NXP EU OPT Q1610 5 648 MMBT3906 NXP REN t DTV MNT OUT
61. al 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 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 pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1
62. ance 4 3 DDC EDID Write HDMI 256Byte m Connect HDMI Signal Cable to HDMI Jack m Write EDID DATA to EEPROM 24C02 by using DDC2B protocol m Check whether written EDID data is correct or not For Service main Assembly EDID have to be downloaded to Insert Process in advance Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 11 4 4 EDID data 1 All Data HEXA Value 2 Changeable Data Serial No Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum 4 4 1 Auto Download m After enter Service Mode by pushing ADJ key mEnter EDID D L mode mEnter START by pushing OK key Caution Never connect HDMI amp D sub Cable when EDID downloaded EZ ADJUST 0 Tool 1 1 Tool Option2 2 Tool 3 Tool 4 4 Tool 5 5 Tool Option Commercial EDID D L 6 Country Group 7 Area Option 8 ADC Calibration 9 White Balance 10 10 Point WB 11 Test Pattern 13 Sub B C 14 Ext Input Adjust EDID data and Model option download RS232 Wm CMD i CMD2 Dato o Enter download Download A A When transfer the Mode MODE Mode In In Carry the command EDID data and Automatically download Model option Download A E 10 The use of a internal download data 4 4 2 Manual Download lt Caution gt 1 Use the proper signal cable for EDID Download Analog
63. arts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes rer Leakage Current Hot Check See below Figure Plug the AC cord directly into the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5 K 10 watt resistor in parallel with a 0 15 uF capacitor between a known good earth ground Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5 mA In case any measurement is out of the limits specified there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter Good Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth
64. craped 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 pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range 3 Test method This specification is applied to the LCD TV used LD2AC 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification EMC CE IEC 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77
65. cs Inc All rights reserved Only for training and service purposes ELECTRONICS MODEL Gr3_s7LR_ DATE BLOCK TUNER 1 SHEET LGE Internal Use Only 3 3V_Normal AMP_RESET e gus SN T gt e e L502 3 E l BLM18PG121SNID 24V_AMP NES AUD_MASTER_CLK 2 8507 e ee a 24V 24V_AMP e C525 Q C519 C521 C523 Gie O O lt 0 1uF 0 1uF 10uF r Ti 1 ap pe e e e e e e gt SPK L MLB 201209 0120P N2 dE 5 e Un 1N4148W R508 R515 12 12 Pons NOISE IMPR NOISE IMPR O O m oer esi 6502 Ge m To s 4 7K soy 50 10 10V 16V 50 Eds n e 0 47u 000 Y SPEAKER L Letos 50V lt 531 C538 100pF R505 o AGND_PLL 1 OUTIB 2 D502 V Tur R517 50V 3 3K INA148W DEO BEA ve 4 7K AVDD_PLL
66. dling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expo sure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electri cally shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembl
67. e 1 E pon 1 5 IRRE 2 8 2 8 di J ge ee ee THE 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 MUDEL GP3_S7LR DATE 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Electronics BLOCK 9 ZX Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes IR_OUT R1123 100 121 e R1124 4 3 5V_ST 100 g A D1107 D1108 CDS3C30GTH Y CDS3C30GTH 30V 30V OPT EXT 12V 10 238 SPGO9 DB 009 IC1101 C1106 JK1101 MAX3232CDR luF 43 5V ST A Cl vec D1100 M BAP70 02 O luF GND e 50V C1103 0 luF DOUTI T C24 RINI C1104 0 luF ROUTI gt PM RXD v DINI e gt PM TXD C1105 0
68. eed 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 or Serial number like photo EDID Version HDMI V01 01 Maker 99 Adjust Check 2 ADC Data 3 Power Off Status 4 System 6 Test Option 7 External ADC Model Number D Model Number D L 8 Spread Spectrum Model Number 0 9 Sync Level 0 GP DVB 1 Serial Number SKJY 1107 1 Serial Number SKJYITI Copyright 2012 LG Electronics Inc All rights reserved a4 3 Only for training and service purposes 4 Check the model name Instart menu Factory name displayed ex 42LD450 ZA 5 Check the Diagnostics DTV country only Buyer model displayed ex 42LD450 LGE Internal Use Only 6 CI Key Download method 6 1 Download Procedure 1 Press Power on key of a service R C 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 Adjust Check Press OK to Save Country Group Code Country Group Country ADC Data Power Off Status System Model Number D L Test Option External ADC i 8 Spread Spectrum 9 Sync Level 10 Wireless Ready M Stable Count 12 ODC Test Tool Option1 Tool Option2 Tool Option3 Tool Option4 Tool Option5 480i Component
69. gt 9 g 5 1 NON_ASIA TERCERA Go ONE aC A Z lt A E OPT 4068 e Ze 2 25 25 29 5 R239 100 C258 0 1uF J T 100 l L204 2 9 EN x IF_N_MSTAR K10 G14 N q 7 BLMISPGI2ISNID XD GNIS 36 x Xe Xe e e e NON ASIA e e G17 C4069 wl wl m ow ow wlel VDDC_4 GND_37 n n 3 3 3 3 3 3 38 L10 G18 i 100pF 45 5 3 3 3 VDDC_5 GND_38 Se Seen ee pP 616101 KW EEEE p EE ed PCS i E MI3 G24 umm s Y o N v VDDC_7 GND_40 C250 R4002 47 sf lt ape N12 5 5 8 S VDDC 8 GND 41 eo S7LR_DIVX_MS 10 C251 Otek 47 Ts J 5 UO sO SO P14 pero EM 12 J2 AC4 e e P15 Say 15 AT ANALOG SIF ATS 4 TUM aeg anoa Close to MSTAR 7 R14 15 S J a Pe w fi VDDC_12 GND_45 d 111 AVDD_AU33 R15 ppc 13 46 D0 HDMII xo RXAON ATIS 43 31 Normal T10 H17 xi RXAIP 1208 VDDC_14 47 iig D1 _HDMI1 L227 BLMISPGI2ISNID GND 48 is 2 RXA2
70. ige de MODEL_OPT_O AB3 FHD HD VDDC 1 05V E ond Z m E S 5 d 9 VDDC 2026mA 62 d 2 2 al als s 25 MODEL OPT PHM OFF PHM Oli x x s sp c IL IL IL IL x x i MODEL OPT 2 AB2 NON DVB T2 DVB T2 1 1 3 jT jT jT jT jT jT al Jl Jl e m e E T gt e un n MODEL OPT 3 T25 NON_3D 3D e MODEL OPT 0 OPTS OPT R202 OPT 100 a 5 M 5 5 5 5 5 S 5 OWN 100 e DEL 1 MODEL OPT 4 U23 NON OLED OLED D 3 5 d 3 3 3 3 ODEL 2 204 100 MODEL OPT 5 T24 NON DVBS DVBS R4031 100 ODEL 4 R4032 100 OD OPES MODEL 6 B8 READY READEY HH HM Hl 4040 100 e ODEL OPT 6 ASIA ASIA IC 101 R4039 100 7 MODEL 7 A8 READY READY C4068 1 4069 1 4 68pF 68pF LGE2112 T8 1 10V_VDDC ae a Close MSTAR DTV IF x VQ 8288 100 C257 0 1 5 PRONUM UN Normal Power n cup 910 USB PI a M
71. ing P ONLY key of the Adjustment remote control power on TV If there is no Component Input disappear ADC Comp message ADC Calibration Protocol RS232 Enter Adjust A A When transfer the Mode In Adjust MODE Mode In Carry the command ADC adjust Automatically adjustment pee ust The use of a internal pattern Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component Input 4801 ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 only LD21B ad 00 10 Adjust 1024 768 RGB only LD21B aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 Function Check 3 2 1 Check display and sound m Check Input and Signal items cf work instructions 1 TV 2 AV 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz 5 HDMI 6 PC Audio In Display and Sound check is executed by Remote controller Caution Not to push the INSTOP KEY after completion if the function inspection Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes ze 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CCFL EEFL gt CH9 Test signal Inner pattern 80IRE LED CH14 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control Mode Temp Coordinate spec Target Enn Y 0 273 40 002 lt Tes
72. ments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig Service remote control 7 Push the IN STOP key For memory initialization 2 3 4 5 1 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 f you push Power key TV set will recover channel information by itself 3 After function inspection Push In stop key 3 Main PCB check process APC After Manual Insert executing APC Boot file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uti ity V4 1 8 6 3 Device Load Auto B P V Restore HOCP Checksurn S Rd S Si F Start Addr End Addr Us1FFFFF Batch File Elapsed Time USB 450KHz Copyright 2012 LG Electronics Inc All rights reserved Only for training and service
73. n tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush LGE Internal Use Only IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the cir cuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Sign
74. ommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufactu General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician 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 p
75. or connector Exchange the speaker 8 TV Audio Yes Check the voltage of Tuner 33V 13703 Exchange the L3703 Yes 3703 2pin 1 8V Yes Yes Implement the 8 Audio of all input Of Malfunction guide Copyright 2012 LG Electronics Inc All rights reserved 18 LGE Internal Use Only Only for training and service purposes 9 AV Audio Check the signal of JK1601 1684 R1685 Implement the 8 Audio of all input Of Malfunction guide Exchange the AV Jack 10 RGB Audio Exchange the AV Jack Checkthe signal of JK1102 Implement the 8 Audio of all input Of Malfunction guide Copyright 2012 LG Electronics Inc All rights reserved 19 LGE Internal Use Only Only for training and service purposes BLOCK DIAGRAM q ISAG E d AB 0507579 dal SS Zzngi dai Ee a Es I 9pIS 3 saw lt 022851 E5 Wd da gt a 1 C INO 16 5 007 41 V y Uld UuJed ZEZEXYN RRE 9262 83 965654 J l M800OMYCIVO i 55552 41 5 I AV 090 ul IPNY IAQ Od L
76. program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files from memory 4 Updating is starting TV Software Upgrade TV Software Upgrade COMPLETED The TV will restart automatically in Iseconds UPGRADING Do not unplug 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select Tool Option 1 and push OK key 3 Punch in the number Each model has their number 9 LGE Internal Use Only 3 1 ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing gt key at 7 ADC Calibration EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group 6 Area Option ADC Calibration ADC Comp 480i ADC Comp 1080p ADC RGB 8 White Balance 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting Caution Us
77. rcuit board LGE Internal Use Only 3 Analog TV Video Check the RF cable and RF signal Yes Check the Tuner 33V 3703 Exchange the 13703 Yes Check the Tuner 1 8V No Exchange the 1 3703 3703 1 8V Yes Checkthe CVBS signal No Exchange the Tuner TU3704 8pin Yes Check the LVDS output signal of Mstar IC No Exchange the Mstar IC101 Or Main board 4 AV Video Make sure the input signal type and Our TV can support the signal Yes Check the AV cable defect or status of conductor Yes Make sure the JK1604 CV BS signal Exchange the AV Jack Yes Make sure the CVBS_DET signal Exchange the R1660 Yes Exchange the Mstar IC101 Or Main board Make sure the LVDS output signal of Mstar IC Copyright 2012 LG Electronics Inc All rights reserved 16 LGE Internal Use Only Only for training and service purposes 5 RGB Video Make sure the input signal type and Our TV can support the signal Yes Check the RGB cable defect or status of conductor Yes Download the EDID data Exchange the Mstar IC101 Or Main board Exchange the D SUB Jack Check the EDID 2 signal R1141 R1143 SDA SCL Ye Check the JK1104H V_Sync R G B signal Yes Check the DSUB_DET signal Exchange the resistor R1146 R1147 Yes Check the LY DS output signal of Mstar IC Exchange the Mstar IC101 Or Main board 6 HDMI Video Make s
78. s Inc All rights reserved L 12 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 5 1 Signal Table LENGTH ADH ADL DATA1 Datan CS DELAY CMD AOh LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data 1 Data n Delay 20ms 5 2 Comand Set Adjust mode CMD hex LENGTH hex EEPROM WRITE n bytes Write n 1 16 Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 5 3 Method amp notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 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 n
79. st update 20100618 gt Tis to Main Pin C onnpecetiol s __ 321 5300 32LE4500 TA 32LES300 TA PIN No LGD AUO10 LED LGD 10 LED INV lt gt MAIN I OS LPB PSU PSU PSU 1 24 1 lt gt I 16 NC NC NC NC 12 lt gt 18 I 13 lt gt 20 FOR LPB MODEL 18 INV ON ON INV ON R491 14 lt gt 22 e 33 I2C SCL 20 NC err outerr out NC I gt NC gt NC DC SDA 22 DIM NC NC FOR LPB MODEL R492 err_o err out lt WNI DINPWM_ DIM 24 gt NC gt NC I TE Q gt ZL R core 1 2 volt LGD edge led error out use or not checking is necessary 3 3V_Normal I e R428 C447 H12V 15V e Ji he 4 5V_USB 3 5 16V 1 10V_VDDC C441 A he e e I 3 L413 C405 10uF L415 25V 3 6uH lt IC401 e e IPS54327DDAR EP GND er pus NR8040T3R6N m 2000 mA oar o AF C453 C456 0 1uF 10V 16V 1C403 22uF 22uF x bo 16VOPT TPS54319TRE s P SS TR T m F gt RAND FB_CORE R410 C413 5V_USB 5V Normal E 3300pF E 7 e 9 10K 0 1uF VFB 4 T R1 sis PS nd Sais 2 2 BS xg C o 3 6uH d 5 1 16W 330K 5 T 55642 e SER e nude C448 Ls NR8040T3R6N don ios 15K 3300pF SS GND D e 2K 4 5 22uF 22uF 5V_SUB_AMP 50V
80. t AI9 E ADDR 10 C AL 10 I S Su R1923 67915 IK ee I CI_ADDR 11 PCM_A 11 e 4 O lu 16V 1911 16V R1914 4 16V R1912 22K ice OPT R 4 1913 CL_ADDR 12 lt PCM_A 12 ADDR 13 C 1 PCM_A 13 ADDR 14 C 141 R1922 REG 2 2K c R1913 1 10K B Q1901 33481909 _5 _ e MMBT3904 NXP I CLOE C M OE R1924 CI WE lt WE I 10K I CLIORD lt PCM IORD CLIOWR C 7PCM_IOWR I Em Em i mm Em mmm Hm mm Em mmm mmm mni m mm mmm Mm Hm Hm Hm mm un mm mmm n mm 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 MODEL S7LR 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SEE LG ELECTRONICS MUDEL GP3_s7LR DLL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics BLULK PCMCI GHEE T Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LG Life s Good
81. t Signal gt a com am Y 0329 Edge LED WEB Table in process of aging time Only LGD Edge LED Module except AUO CMI IPS Module CA210 CH 14 Test signal Inner pattern 80IRE y x y x y 269 3 69 277 284 29 304 317 334 3649 272 288 297 312 327 8 8 49 270 274 266 294 310 324 79 Over 150 269 273 288 293 309 323 Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C POWER ON Enter the mode of White Balance the pattern will come out Full White Pattern V 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 POWER ONLY or the others check the back light on LGE Internal Use Only Auto adjustment Map using RS 232C to USB cable RS 232C COMMAND CMD ID DATA Wb 00 OO White Balance Start Wb O0 ff White Balance End RS 2
82. ure the input signal type and Our TV can support the signal Yes Check the HDMI cable defect or status of conductor Exchange the IC or download The EDID data Check the EDID 2 signal R884 R891 Yes Yes Check the HDMI Jack JK801 JK802 JK803 Exchange the HDMI Jack Exchange the Resistor R830 R828 R862 Exchange the defective IC Check the HDMI_DET HPD signal Check the voltage of HDCP EEPROM I2C Signal IC103 Yes Check the HDMI signal Exchange the Mstar IC101 Or Main board Yes Exchange the Mstar IC101 Or Main board Check the LVDS signal output Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 7 Audio of All iput Check the speaker menu Menu toggle menu sound gt TV speaker Check the voltage of AMP IC IC501 Exchange the AMP IC or 24V 33V Main board Yes Exchange the Mstar IC101 Check the Mstar Audio Master signal Main board R148 Yes Check the AMP Line Check the signal or R140 R141 Exchange the Mstar IC101 Yes Check the Mstar 125 output Check the signal or 501 9 10 11pin Exchange the Mstar IC101 Yes Check the Audio output signal Exchange the Audio AMP C501 1 2 3 4pin C501 Yes Check the connector P501 Exchange the connector If the connector is defect Yes Check the Speaker resistor
83. y into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suf ficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iro
84. zrm DATE BLULK mrreza4oo OHEET LGE Internal Use Only ELECTRONICS Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Rear AV gt AV_CVBS_IN INV INI NON INV INI NON INV IN2 OUTI VCC IC1601 1 SN324 OUT4 GND INV_IN4 NON_INV_IN4 NON INV IN3 pm C1648 INV_IN2 INV_IN3 R1654 47pF 220pF 75 50V 50 3 3V_Normal OUT2 OUT3 R1660 JK1604 10K PPJ233 01 AV_CVBS_DET RD E LUG T OP_AMP_BCD D1624 b TES IC1601 RDIO SHRING 56v T Qu AS324MTR E1 16V EXT_SPK CLOSE TO MSTAR E R18 CLOSE TO MSTAR RDICONTACT MONO 2 2K OUTI OUTA 2 2K 5 Won EE EXT AMP L IN P WHICLYG g us i 1664 m RIR 33K IN1 OPT EXT_SPK e mE AV COMP PC R IN opp EU R1662 255 EXT_SPK C14 470K R20 330pF LYLICONTACT 130 ohm C1663 9

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