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LG 22LT360C-ZA User's Manual

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1. r LOW HIGH E ee ee ees te ec re ee a ee ses ee es MODEL OPTION x vi 4 4 MP b N 1 10V_VDDC t1 10V_VDDC EE B MODEL AB3 FHD HD VDDC 1 05 Ao 9 VDDC 2026mA m 5 N 2 5 4 5 2 5 z 5 9 F4 PHM_OFF PH M a 9 a 5 MODEHL 2 AB2 NON DVB T2 DVB T2 1 1 5 Jl Jl jT jT Ji jT jT jT w T m 22 ORE adie MODEL 3 T25 NON_3D 3D cae MODEL OPT 0 PT OPTe OPT m
2. 5V_Normal TH 24 415 SNR dnd ind R7561 3 5V_ST v Adapter MAG ia PANEL ANEL lt V V ER 100K 7 MLB 201209 0120P N2 E ANEL 5 4 apter_ m POWER_DET_DIODES L7912 e e ER MLB 201209 0120P N2 C7525 T 526 7529 7863 1 C 4 1 7509 eu C7504 04 UE ce 0 1uF 10uF APX803D29 DS ZEE 5 015 50V 16V 1 16V muon PANEL_DISCHARGE_RES vm n C7514 A J OPT 4034070 PANEL_DISCHARGE_RES POWER_DET 0 14 68uF L7912 1 e gt 30V 35V CIS21J121 2 a New 24V gt 3 48V ii 15 gt 3 56 C7957 OR R7530 C7531 ST_3 5V gt 3 5V gt 3 375V 0 1uF 2 0 1 IOuF G VENE dn HE SS 16V 227 5V_PANEL m m SUM m L OPT e e 11 754
3. b gt 1 502 3 BLMISPGI2ISNID AUD_MASTER_CLK R507 AN 24V_AMP NIH AINI C519 C521 C523 C525 A A 0 1 514 C515 H lt lt lt E i i SOV 10uF T f L501 10 7 lt gt AIAI gt sSPK_L MLB 201209 0120P N2 16 H E D501 AR 9 Q O gt gt gt 1N4148W R508 R515 L505 _1 NOISE IMPR mM O O 54 pend A Ur lt 501 lt 502 C506 C508 C510 C512 530 Y 50V 4 7K 0 Toar E 390 1 506 50 SOV 10V ra 10V 16V 50 MAT 6555 e e so T 1009p 5 L AY 20V SPEAKER 2 1 AGND PLL OUTIB_2 Y TR iom 50V 3 3K ae R509 R513 AVDD PLL f OUTIB 1 7 THERMAL 5 DVDD_PLL PGND1B C526 3 49 22000pF 50V mb IC501 DGND_PLL 5 VDRI SPK_L 2 x ar GND f6 NTIP 7500L vec 5 DVDD 9 VDR2 SPK_R L
4. GPIO195 NANDO1GW3B2CN6E NAND FLASH MEMORY p veel fy pm 3 3V_Normal 3 3V_Normal NC 1 NC 29 lt CHIP Config LED R BUZZ KES NAND_FLASH_1G_NUMONYX NESE Boot from SPI CSINCEXT_FLASH 1 bO Boot from SPI 5 l bl1 IC101 PCM_A 0 7 LGE2112 T8 _3 NC 27 4 26 PCM 00 71 E 2 NC 5 1 07 _ 7 D 0 5 gt S W21 E 51 Aais PCMDATALOV GPIO 126 5 2 lt CHIP Config gt PCM_D 2 127 z x RB 1 05 k 125 OUT_BCK I2S OUT_MCK PAD PCM_D 3 AE20 PCMPATALV GPIO128 F_RB AALS PCMPATAI3VGPIO120 R 1 04 no EJ 4 b0000 Boot from 8051 with SPI flash SB51_WOS 4 b0001 Secure B51 without scramble PCM 215 AE2 1 119 25 5 51 WS 4 b0010 Secure B51 with scramble PCM 516 PCMDATA S GPIO118 55 5 21 18 e MIPS_SPE_NO_EJ 4 b0100 Boot from MIPS with SPI flash PCM_DI7
5. CI SLOT 4 45V CI ON DATA O0 7 CI TS INPUT eee T FE TS DATA T7 1 5V_Normal meus CI_MDI 7 lt _1 FE TS DATA 6 5 10uF 5 CI_MDI 6 lt FE TS 5 m 10V CI_MDI 5 FE TS DATA A4 5 x SLOT T CI lt 1 41860101 U FE TS CDI 4 e P1902 MDII3 C 1 FE TS DATAI2 cun 10067972 050LF CI MDI 2 FE TS T T 1 CI_MDI 1 1 FE TS DATA O CI_MDI 0 lt 61908 100 2 DATA 3 3 ARISI CLDATA 5 FE TS DATA O 7 CI TS DATA 4K CI DATA 6 bad TS 5 1 8 7 39 TS 6 3 6 CI_MISTRT FE_TS_SYNC TS DATA 7K 7 1919 47 CE MIVAL ERR IFE_TS_VAL_ERR 8 A R190 10K lt i ADS RN ADDRIII CI OE CI MCLKI FE TS CLK CILIORD CI ADDR 9 CI IOWR ADDR 8 J 13 MDI 0 ADDR I4 CI MDI 1 CI MDI 2 CI WE R1920 100 CI MDI 3 gt IRQA C1905 0 1415 BLA C1909 MDI 4 OMT MDI 5 ADDR 12 CI HOST I F CI MDI 6 ADDR 7 MDI 7 EU CI
6. E A gt f gt et 5 Al 9 al 8 5 gt CK HDMP 5 gt gt B e 7 DO ropes 00000 LN LN RM x x SS EL 6 DI HDMI2 gt 5 4 3 5V_ST 4 gt 68K 3 gt D2 854 5 For CEC T HM P 1 l gt 1 199 gt R357 s 7 57 HDMI e JK801 JK803 69 57 2 Qsos 1 SI1012CR T1 GE3 234 orr E C805 E 0 1uF gt 16V E EE OPT GND GND Se 1 B THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION MODEL DATE FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF I
7. lt lt lt SS SS 64 1 _ 4 3 3V_Normal 3 3V_CI 3 3V_CI 3 3V_CI SLOT OR A IC1901 S L1901 sh s ree i BLM18PG121SN1D 06 7 8 for 3 229 I 4 kapi 1 AR1907 C1901 C1902 eu DATAIO 33 PCM DI0 1915 DII O luF O 1uF M L CL DET 2 512 i 21918 _ l B 47 lt a rcc ce cta po ee m a CLDATA 4 44 R1908 PCM DI4 UL DI5 ees Aas PCMDI 2 i DATA 7 CI POWER ENABLE CONTROL PCM_D 0 7 0 7 SLOT 5 CI 5 1 1 A DUE L1902 33 1912 CL_ADDR 8 lt _ _ 8 OS CL_ADDRI9 lt _ 9 2 lt _ 10 5 5 R192 ADDR 11 4 _ 11 2 0 1uF a 2 06 juE LEH 16v EN 16 I 4 7uF 16V R1912 22K T OPT 16V E E AR1913 33 ADDR 12 4 _ 12 lt 3 _ 13 14 lt
8. B14 cs 2 224 7 7 S i us P vss 5 vss 5 2 9 mee S LA I zee B MA9 NS RZ 2 us ME A10 AP A MAIO 35 C16 5 SRA n C24 BMA B MA9 C A9 T8 ME F7 vss 3 Me MA 17 F2 11 gt 11 5 B MA10 lt A10 AP R3 B2 vss_9 vss_9 ADB 11 Ais B_DDR3_AI11 55 B MAI1 Lo D9 vss_10 FS vss 10 2 12 B_DDR3_A 12 B MA12 Qu m R7 G7 EE E H3 T A13 A MAI3 x ii E11 A_DDR3_A 12 e e 21 12 lt 1 12 oae To DDR AU3 B_DDR3_A 13 575 3 B MA13 lt 13 12 z G2 14 A_DDR3_A 14 B_DDR3_A 14 B MA14 A13 Ni H7 M7 N9 B1 B1 AVDD_DDRO NC_5 NC 5 Ei B9 D7 B9 gt A MBAO A Ass F13 620 R9 DI D1 ANBAT Bis P ae 24 OBAT B MBAO lt AVDD DDRI N8 D8 D8 5 E2 C2 E2 CAMBA xg _ 20 B MBAI MB C1209 A MBA2 A_DDR3_BA 2 B_DDR3_BA 2 B MBA2 en BMBA2 Al E8 7 E8 F9 2 F9 N J7 A8 C17 MOT G25 BEK ET ci G1 B8 Gi A17 B_DDR3_MCLK in es PES 1 E AGREE ics
9. 1835 1836 22uF O 1uF 16V JK1801 EXT SPK EXT SPK PEJ029 02 i 1 1802 EXT SPK e TR EXT_SPK_R 018 N11 EXT SPK s gt L1803 5 IC1800 TH EXT_SPK_R 018 AA11 TPAGO1 1A4PWPRG4 R SPRING L1804 EXT SPK TR EXT_SPK_L 018 N6 L1805 PGND_1 ROUT T_SPRING TH EXT_SPK_L 018 W6 EM EXT SPK R4 ROUT SE BTL EXT_SPK C1812 __ 1813__ 1810 C1811 018 AL13 EXT SPK R c x R1813 39pF m Z7 39pF 1K T_TERMINAL OPT OPT OPT LINE EXT_SPK EXT SPK e PVDD 1 HP LINE 255 R1814 RISE TEXT_SPK 1K R1849 RHPIN VOLUME gt 3 3V_Normal 30 RLINEIN SEDIFF E EXT AMP R IN 017 21 RIN SEMAX 51K EXT_SPK VDD AGND R1828 100 EXT_SPK_DET v LIN BYPASS EXT SPK 2 EXT SPK 21808 HEN 1837 LIK d Ons LLINEIN FADE 1uF EXT_AMP_L_IN 25 EXT SPK 4 7K 017 AJ24 Eso R1852 nm LHPIN SHUTDOWN EXT_SPK EXT_SPK PVDD_2 LOUT R1851 E m 5 SUB EXT_SPK_L EXT_SPK CY ids RET LOUT PGND 2 018 AL11 E 018 112 EXT SPK L C MMBT3904 NXP i 2 E EXT SPK z 5 RES E 2 nin 100 21803 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION AND EL
10. G17 l l 4069 n m Ln m Ln m nun mou VDDC 4 GND 37 3 5 5 5 3 88 L10 G18 IC101 1 amp as mp 5 LGE2112 T8 Ts T gt _6 GND 39 E VDDC 7 GND_40 C250 0 14 R4002 47 23 5 N12 TU_SIF 5 9 8 6 VDDC 8 GND 41 1 S7LR DIVX MSIO 251 0 14 4003 47 5 9 9 2 cua J2 ACA x ze e 15 uud GND 913 Md tps ya ADS ANALOG SIF CK HDMII RXACKN VDDC_11 K3 Close to MSTAR R14 z H15 D0 _HDMH RXAOP sce ce Se Femmes d VDDC_12 GND_45 11 R15 H16 l DO _HDMI1 VDDC_13 GND_46 K2 AE3 Pe T10 17 GND 47 _ 1 RXAIP Ane VDDC_14 E Hig 1 RXAIN 1227 BLMISPGI21SNID 48 iiio 2 RXA2P BLMISPGI21SNID CY e GND 26 x L3 ACS AY GA 10 J9 D2 HDMII R4033 22 RXAN 60240 d 50 m 0 10 VLU DDC SDA 1 R4034V V 23 DPCDA_DA GPIO24 4064 R4019 FB CORE lt FB CORE GND 51 DD
11. 4 F8 Gu DO U10 _ 4 R242 68 C223 0 047 AC6 1 5 F17 posses EUT E a SIDE_COMP C2244 wi AVDD_DDR1 55mA e F18 conb ip AAS T203 rry POUH l GND_123 52 AB6 L205 10uH OPT oF 124 2244 33 C225 0 047u R AA8 H8 015 TU CVBS e GND_125 R245 33 C226 40 047uF Y4 N SC1_CVBS_IN GND_126 R246 33 C227 10 047u WA N21 017 CVBS IN ET RXD O RP GPIO6 e GND 127 R4016 33 OPT C405 10 047uP AAS C5 N20 R18 ET_TXD 0 TP GPIO5 MES 128 19 R249 33 C230 0 0474 AAA 129 ET_RXD 1 RN GPIO63 e e Sn GND 130 210 ET_TXD 1 LED1 GPIO56 SOC_RESET e GND 131 Y DTV MNT VOUT AAI ds 132 2 5 3 5V_ST 15 V14 ST SWITCH l2 252 68 C233 0 047uF 22 WI6 _133 f yi7 0471 zc Ve xd c ET TX EN GPIOSS 134 ET_MDC GPIO61 135 Close to MSTAR 2 B3 El T18 E8 Eu iA tim es id MDIO GPIO62 e GND 136 4 swreu RSDS Power x m 1 10V_VDDC 200 159 5
12. PCMAPRILOVGPIOII14 PM_UART_TX GPIO_PM 1 GPIO7 3s Eu gt PM TXD Vol 1 C112 56 PCM_A 12 AAI9 PCMADR 11 GPIO112 GPIO_PM 2 GPIO8 76 gt INV_CTL 100pF e PWMI PCMADRII2 GPIO104 GPIO_PM 3 GPIO9F 2 RL ON 2 NC 11 VOO SOV e PWMO 15 107 7 POWER ON OFF 1 _ BEWE E 50 IA i NC 12 NC 19 e Jats m 106 PM UART RX GPIO PMI SIGPIO11 x Eu 1 ES e xs PM SPI SCZI GPIO PMIGI GPIO11 2 gt Ne 29 PCM_REG PCMREG_N GPIO123 GPIO PM 7V GPIOI3 gt FLASH WP 2 d NC_14 NC_17 pM M GPIO_PM 8 GPIO 14 5 2 gt SUB_AMP MUTE PCM_OE lt 5 PCMOE N GPIOI 13 PM 9 GPIO15 ci gt PANEL CIL Neat NC_16 PCMWE_N GPIO197 SPI SCZ2 GPIO 10 MODEL 0 7 PCM_IORD n mcr cue cc a 45V Normal z Apoo PCMIORD_N GPIOILII _ 11 6 17 22 R142 ME MUTE IOWR PCMIOWR_N GPIO109 A dS p 2132 PM SPI SCK GPIOI 22 R154 SPI SCK AD21 D3 33 R146 ISPI CS DIMMING 10K PCMCE_N GPIO115 PM_SPI_CZ0 GPIO_PM 12 GPIO 27 7PCM_IRQA B2 SPI_SDI R133 PCMI
13. 2 2uF 22 10uF I2 2uF I 2 2uF 2 2uF 2 2 2uF O 1uF 560K 100V 100V 100V 100V 50V 50V 50V R ORNER 1 10W R10015 Q10001 o close to IC10000 12 G APISTIOGH e e e must modifed e BS R10016 LED DRIVER 18 5 21 52 CMI_21 6 CMI 18 5 LED DRIVER 3K R10017 R10019 5 R10019 1 R10019 2 R10019 3 R10007 1 8W O 1 16K 11K 16K 223K Tow Pe dA PLOW MION TOW wafer modify amp resister add C10008 must be modifed po R121 0 03 0 1 LED DRIVER 2010 06 30 HWSON 2 2010 06 30 hwson C104 100 gt 2 2nF for thermal Issue Y U LED DRIVER NON LGD C106 0 68uF gt 0 33uF 810020 LED_DRIVER Rag 8113 8114 o e e R10001 2010 02 07 for PQ 19V_LED Operating 5 Eri pans e LAUNE WLED ENABLE 100 14 m 1 10W m COMP 3 IC10000 1 LEDGND 10004 C10003 LED DRIVER LED_DRIVER 16814 UT2 100K 100pF Du 6 R10008 EE igppmve 12 LED DRIVER NON LOD 1 10W 50V FLT 5 11 OUTI e MAC LED DRIVE bnc 1 10 i B du o e 1 10W Pt 100076 E e uii aom EREL R 10013 10015 10017 10019 2 9 5 Perera Spe AUO_CPT 45 T 1000pF 1000pF 1000pF 1000pF Bc 1 R10011R10013 L 50 50 Z 50V 50 1 10W 1 10W 10031HR HO6 DOW EE ATK 51K R10011 1 R10011 2 R10011 3 LED DRIVER ED
14. SOURCE 2 SOURCE_1 luF 159 50V POWER_OUT ERE vcc 12 12V 15V 1 51 CB3216PASOIE e S LIPS POWER OUT C62 C63 POWER OUT a luF zz22uE 16V 16 POWER OUT Q lt lt y y D5 POWER_OUT R66 100K POWER_OUT POWER OUT DIODES 1 51 APX803D29 POWER_OUT_ON_SEMI IC51 1 NCP803SN293 voc 2 RESET 1 GND R64 100 gt EXT_PWR_DET POWER_OUT ELECTRONICS BLULK GHEET LGE Internal Use Only 22_LVDS P706 FF10001 30 PANEL A 22_LVDS 3 L702 70 ohm OPT 22 LVDS OPT 1 2 3 4 5 6 7 8 9 R714 26_LVDS P705 FF10001 30 RXA3 RXACK RXA2 2 RXAI RXAI RXAO RXAO 1 2 3 4 5 6 7 8 9 RXA3 RXA3 RXACK RXACK RXA2 2 RXAI 1 LVDS_SEL RXAO wu 3 3V_Normal RXAO OPT R712 3 3K 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 SY
15. 2 ae aie 5 J LKE B DDR3 MCLKE L2 _A MCKB 1 13 H2 1 1201 2 IC1202 2 2A MODT E14 220 K3 H9 NTSCB64M16DP CF NTSCB64M16DP CF A MODT B_DDR3_ODT B MODT AVDD_DDRO R s 512 P C x DES RA 25 d B MODT L3 MRAS RAS MRAS J1 R1231 12 45222 B DDRS ARE B24 BOCA AVDD DDRI B MRASB T 18 DDR 1333 NANYA NEW DDR 1333 NANYA NEW E T N3 M8 N3 M8 A MWEB x C12 tae UE 24 Bi B MCASB lt Ll x EAN61857201 EAN61857201 VREFCA MWEB DDR3 WEZ DDR3 WEZ R1232 BMWEB lt P3 4A MRESETB Sik F11 E20 T7 N2 HI 42 HI MRES RES B_DDR3_RESET MRES G3 gt B MRESETB lt Pe 2 2 7 9 5 4 19 24 m vss 18 A MDQSL A DDR3 DOSL B DDR3 DOSL B MDQSL vss_2 R2 Re A MDOQSLB cis x EN K25 B MDQSL lt gt vss 3 LE TS TS A MDOSLB A DDR3 DQSLB B DDR3 DOSLB B MDQSLB E7 Gs B2 48 B2 B MDQSLB vss_4 55 z A MDQSU B18 J21 VSS_5 7s A10 AP on A MDQSU Aig B DDR3DOSU B MDQSU ai oS T vss 6 Fu RII 97 ia e i A MDQSUB A_DDR3_DQSUB B_DDR3_DQSUB B MDQSUB 5 s vss 7 us e MDOS VSS 8 F2 Pl NC_6 NC_6 ASIE E15 BO res H24 EGER vss NIE
16. 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 LD2AA MODEL 22LT360C 22LT360C ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67368118 1206 Printed in Korea 5 CONTENTS 2 3 SERVICING PREGAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION HE 9 TROUBLESHOOTING GUIDE lt 15 BLOCK DIAGRAM 20 VIEW 21 SCHEMATIC CIRCUIT DIAGRAM Copyright 2012 LG Electronics Inc Alll 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 A i
17. 5 E EAN61849601 IC1450 L1451 1 AP2191DSG CIS21J121 an 5V_USB 1 1451 _ MLB 201209 0120P N2 OUT 2 E 120 ohm I C1452 E R1459 10uF 1451 10V O 1uF 5 221 3 3V_Normal ji 16V R1455 4 7K R1454 gt 10K E S JK1450 RI USBI OCD a 008 g 4 SIDE_USB_DM E SIDE_USB_DP o E E ELECTRONICS MODEL T cee DATE BLULK oce HEET Internal Use Only HDMI EEPROM 5V HDMI 1 5V_Normal 9 2 ENKMC2838 T112 D821 ee ID 1 9 5V_HDML 1 5V DET HDMI 1 1 A oT cae 5 R806 10K 2896 1K Q802 B R830 C806 52 R888 oa MMBT39
18. 57 5 Mc GND 90 CEC GPIO C236 2 2uF gt AVDD25 237 11 5 717 GNDO 17 JEE SC1_R_IN AVDD MIU e AVDD DDRO D 1 GND 92 DSUB HSYNC e AN 22 e e AV PC L IN eee e K15 AVDD DDRO D 2 R4025 54 R3 KAO c239 5 Iu BLMISPGI2ISNID E35 _ pu DSUB VSYNC e COMP R IN AY AVDD_DDRO_D 3 GND 94 HEN R228 33 C2044 0 047 N2 AAT C4059 2 2uF OPT 4 R229 68 205 0 0474 P3 AB8 C4060 2 2uF P11 2230 33 m 047uF Y8 C242 C4027 icis 96 12 DSUB_G jeu oS DERE AVDD DDRI D 1 GND 97 2231 68 ESI eoru N1 Y10 C243 2 2 COMPONENT 1 223 1 17 AVDD DDR DS ee P16 C208110 047uF M3 Bem Xn D P1 DSUB_B 32 B TUR AD Cobh L Lig D 3 99 Lis e HZ C245 OFT AVDD C GND 100 12 25 210 1000 ei ICONE RHET WEE to TC with width trace Pe SCART1_RGB COMP1 GND 102 x x em mm i Un E9 R9 SCART OUT GND_103 v2 R11 ID XTERNAL SPEAKER cd GND 104 12 v3 We E SP 71
19. R202 100 E OEY 100 ODEL 1 MODEL 4 023 OLED OLED 0 9 9 N 4 4 3 3 3 3 e ODEL 2 R204 100 5 MODEL 5 T24 NON DVB 5 5 R4031 100 e ODEL 4 e 2 100 4 op MODEL 6 B8 READY 24040 00 6 C4068 1 C4069 1 R4039 100 e ODEL 7 7 READY READY T 6 68pF cr ace ts 1 101 1 LGE2112 T8 1 10V_VDDC To D ea M AMT ME 2 S SIS Close to MSTAR DTV IF N 1 3 3 R288 100 C257 0 1uF orma ower 2 12 G10 nm IF P MSTAR AVDDLV USB GND 32 z G11 g 5 5 E 4067 NON ASIA 3 3Y_Normal VDD33 GND 33 e lt lt amp 5 5 2 _ S TUE 106 E VDDC 1 GND 34 x R289 100 C258 0 1uF L204 VDDC 2 GND 35 eS S 1 7 IF N MSTAR BMT EM 2522 Xe e e e NON ASIA
20. A BST E s 1 is 22 EU R253 33 C211 0 0474 03 L SCARTI Lou 4 22227 29 2254 6 C2124 pen U2 V4 i 1 B17 ae R17 R255 C213 Y7 m C23 SC1_G 3 0 05 7u TP208 DDR3 1 5 GND_108 2256 6 2141 10 T2 5 T9 ul gt SCARTI Rout GND 109 EU_OPT R257 33 BO ORE C215 R2 R gt R258 68 C216440 047uR RI C19 T11 1 5V_DPR AVDD_DDRO 55mA ra GND 1 5 e GND 112 SOG IN E AVDD D14 HE m D18 T14 L209 e GND_114 AA2 BLMISPGI2ISNID 19 enp tis SIDE COMP R237 33 SIDE COMP C218 0 047uF Y2 00 2 17 T16 R238 68 L202 18 _116 BLMI8SG121TNID ne 2 GND_117 SIDE COMP R239 5 COMP gt 220 0 0471 W2 ADS T 5 3 3 S Bom dome Q 3 qz e E19 OND 118 U8 SDE COME Y 3 C249 C253 C256 TT 5 amp ATZ ae E22 U9 R240 6 C221 0 047 Y C263 Ole 2 2U0ls js vjs js STE GND_119 m SIE COME Hs SIDE_COMP R241 33 SIDE_COMP V1 AES 4 7u 2 LUF m
21. GPIO196 GPIO196 GPIO196 gt RXA2 ES T DA GPIO193 GPIO193 GPIO193 AV_CVBS_DET GPIO40 LVA2P ACOA 1 04 d a GPIO194 GPIO194 GPIO194 DSUB DET GPIO41 LVAN 5 gt RXA2 0195 GPIO195 GPIO195 DET GPIO42 LVA3P gt CE NC 25 AC23 vss SDA EXT_SPK_DET GPIO45 gt _7 _24 EANO61548301 RJP CTRL3 GPIO46 LVA4P AD23 TUNER RESET lt GPIO49 LVA4N NC_8 NC_23 HDCP_EEPROM_ON_SEMI_NEW MODEL 0 2171 22 GPIO50 V23 1 2 EXT_PWR_DET GPIOS1 LVBOP ee CC nn U24 MODEL_OPT_1 GPIO52 LVBON VSS 1 VSS 2 3 3V Normal V25 pope MODEL OPTION DC SCKMO GPIO53 NC_9 Nee HDCP EEPROM 43 3V Normal EEPROM eee e Dus 10101 MODEL 2 GPIO73 LVB2P NC_10 NC_21 GPIO74 LVB2N CLE NC_20 ice LVB3P 3 IC104 Y24 d HDCP EEPROM CATALYST OLD AT24C256C_SSHL T LVB3N ALE CAT24WCO8W T AA24 WE 1 02 R113 C 107 EEPROM GO LVB4N 4 7K lu vec MODEL 0 WP I O1 HDCP EEPROM VERD 52 AE24 WP R127 ATK BE WE LVACKP 554 gt RXACK NC_11 1 00 zi LVACKN 55 gt RXACK L SCL 22 HDCP_EEPROM LVBCKP NC_12 NC_19 R128 R111 22 I2C_SCL TACT_K
22. B MDQUS A9 AS A MDQU6 A DDR3 DQUI6 DDR3 DQU 6 B MDQU6 VSS 1 VSS 1 A MDQU7 c20 21 B MDQU6 lt B7 ss B7 A MDQU7 A_DDR3_DQU 7 B_DDR3_DQU 7 B MDQU7 vss_2 x B MDQU7 lt i5 55 3 Fas E 55 3 Gs D3 VSS 4 72 D3 VSS 4 12 VSS 5 78 VSS_5 78 VSS_6 VSS_6 DDR_DVB_T2_2G DDR_DVB_T2_2G E3 MI MI EE F7 557 F7 Mog F2 55_8 1 F2 PE F8 MA P9 F8 V88 9 VSS_10 55 11 VSS_11 x5 VSS_12 VSS_12 H7 H7 B1 vena D7 D7 FS x voos D8 c2 E2 c2 E2 iba nui AT E8 E8 woos Ela A2 F9 A2 F9 m s B8 GI B8 Gl vey xe S G9 G9 VDDQ 7 VDDQ s VDDQ 9 RAS VDDQ 8 CAS VDDQ 9 RESET DOSL DOSL 67 0050 DML 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 MODEL s7rR
23. 2 Check the key download for transmitted command RS232 ci 00 10 __ 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 Cl key by command RS232 ci 00 20 CMD 1 CMD 2 3 result value 101 OK 1d1852d21c1ed5dcx EN CI Key Value Data 0 L Internal Use Only TROUBLE SHOOTING 1 Check the booting Voltage Make sure the Stand by Voltage P 403 9 42pin 3 5V ST Make sure the Power Connector Yes Make sure the Micom voltage Exchange the L404 1404 x35V ST Yes Make sure the CLK of X201 No Exchange the X201 Is 24MHz Yes Make sure the PWR ON of P403 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 12403 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
24. 3 2 gt V d MIUVDDC PM os 4 CT R217 1 228 N4 10V 0 AVDD NODIE 7 362mA BLMISPGI2ISNID IRIN GPIO4 IR SOC RESET 6 R210 33 C231 0 047uF TO 5HDMI ARC ARCO 11 L D200 3 5 ST 5 KDS181 AVDD NODIE C4071 C4062 HWRESET SOC RESET 1 206 TOuF 0 1 R200 or BLMISPGI2ISNID 62K 0 195 C286 52 m O IuF O 1uF THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES m m ME eee 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 SECRET MUDEL DATE THE CRITICAL COMPONENTS IN THE 5 MARK OF THE SCHEMETIC LG Electronics LG ELEL TRONILS BLULK Marne Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes n L7504 A 12V 15V
25. BLOLK DDR 256 SHEET LGE Internal Use Only SECRET ELECTRONICS L GElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes AR GLOBAL TUNER BLOCK T 2 2 3 3V_TU TU3700 a S T 9 m 2 TDSS G101D 2 SI2176_DVB_1INPUT_H 5 N 7 2 23755 470 SET R3758 R3775 0 82 e TU SIF E 3 3V_TU MMBT3906 NXP 3 3V_TU Q3705 R3753 4 7K R374 1K R3741 33 R3735 TU SCL 33 R3736 _ SDA 23751 R3752 C3702 1 MET C3713 250 220 18pF 18pF C3742 3743 m T sov sev 20pF ZZ20pF OPT AA sov 50 How Xm R3756 0 Q0 close to TUNER m 7 OT R3783 0 TU CVBS 1 E 16V NON ASIA R3749 0 NON_ASIA 3 3V TU R3750 B Q3703 1K MMBT3906 NXP 3 3V_TU OPT IF AGC 1 2V 1 8V_TU C3707 C3708 0 luF 100pF n DIF P R3733 C3750 C3751 mo 3737 cons css 12142 Poo 22 tam SDE 100pF 0 luF 22uF e TUNER REsET 50 50V DIFIN I 1 16 L oe dlose to the tuner add 09029 ASIA O lu R3780 R3781 ASIA R378
26. TXD C1105 zii 0 1uFpour DIN2 RIN2 ROUT2 DC DC CONVERTER 12V_ONLY PSU For External power PSU_POWER_OUT R52 100K PSU POWER OUT PSU POWER OUT 12V A 1 C51 50V O 1uF DE 24V 5 Ba MP4460DQ LF Z GND n MBRA340T3G los t i close to pin d e 1 10 2 PSU POWER OUT 1 PSU_POWER_OUT SW 2 5 VIN_2 PSU_POWER_OUT 250 an 54 T C55 EN 3 3uF O 1uF PSU POWER OUT 50V 50V COMP FREQ 200K PSU_POWER_OUT 4 0 21 7 PSU POWER OUT FB GND ond R56 R57 150pF 5 6 oPSU POWER OUT 270K 10K 5 50 E OX B 1 16W 1 16 a gt 190 1 ous S 2 2 5 2 7 PSU_PO 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 L GElectronics 12 EXT PowerOut EXT12V_CTRL POWER_OUT GND 470pF 50V DV DT R63 IK ENABLE FAULT POWER OUT SOURCE 5 SOURCE 4 SOURCE 3 EXT 12V POWER OUT L54 CB3216PA501E
27. 621 390 47uF OM GND D1602 16V 8 Av ii H IDTV MNT VOUT JK1600 OPT a SYNCIN 4 Fu OFF 390 YNC OUT R9910 a EU_OPT 75 EU_OPT R1642 YNC e D1610 1628 Res 51639 15K gt SIDE_COMP_Y D1603 30V 7 Gain 1 Rf R aoa SIDE_COMP YNC GNDI iT uy 1000 x di 8 SIDE_COMP RGB 10 E EU opr 5 8 30V EU R1627 01604 21616 75 GB GND R1608 75 8 l R9909 30V 5 SIDE COMP Pb EU OPT SIDE COMP SIDE COMP P GND R4221 D2B_OUT SIDE_COMP EU E 29908 OUT SIDE_COMP_Pr L G EA SIDE gm D1605 EU OPT SIDE COMP R1604 EU_OPT GND 75 ID e S Cor Lr C gt SC1 ID IB OUT 5 e e sci_B 1618 81623 E EU OPT 30V 15K R1629 AUDIO_L_IN D1606 3 9K 21605 gt 75 GND EU e UDIO GND EU UDIO OUT 21617 10K AUDIO_R_IN CES SCI L IN L1604 EU_OPT EU_OPT UDIO R OUT 1607 21606 120 1611 R1630 5 6V 470K 330pF 12K EU_OPT EU 50V 5 008 01 EU K1602 R1618 J 60 ice gt C1_R_IN L1603 EU OPT D1609 120 C1612 5 5 6V EU OPT R1631 OPT R1607 330pF 12K 470K 50V EU_OPT SCART AUDIO MUTE 3 5V_ST TS DTV MNT_L_OUT D1608 EU_OPT 7 Tees 5 L1601 C1609 C1618 DTV MNT_L_O
28. 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 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 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 External ADC Model Number D Model Number D L 8 Spread Spectrum Model Number 0 9 Sync Level O 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 Instart menu Factory name displayed ex 42LD450 ZA 5 Check the Diagnostics DTV country only Buyer model displayed ex 42LD450 LGE
29. 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 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 1 1 Tool Option2 2 Tool Option3 3 Tool 4 4 Tool Option 5 5 Country Group 6 Area Option ADC Calibrati
30. 3 3 Normal m m 24V_LED 402 7925 24V_LED_driver I 2 5V_Normal R7862 TJ3940S 2 5V 3L A 2 2uF 222K A 5 orma I m sov 3 3V Normal E 3 5 0403 L403 I 50 BLMISPGI21SNID G Q Q R7 B 27K gt 7521 A034074 P ia i R446 5 16V R7860 5 0 1uF or 2 10K 2 I 10K T 2 4 3 16 ee 1 5 16V 16V ee 403 C440 B Sains Vgs 10 8V E R434 22K OPT 0 luF RL_ON_BUFFER Q7520 16V 16V 10K 300 mA C7926 gt 0 01uF C424 50V uu 25V k 100 OPT 780 mA l R443 POWER_ON OFF_1 e 1 B Cou S 71 core 1 2 volt E 7 3 3V_Normal b 447 12V 15V 5V_USB Ms 16V 1 10V_VDDC C441 ji O 1uF 405 2 L413 10uF 25V 1 401 TPS54327DDAR EPIGND sates 2000 mA 10 gt O 1uF 1C403 OS 8 10V 950 16 Tu TPS54319TRE 5V_USB 5V Normal E iu VFB VBST m 7 0 CEP 2 7 50 0 11 1 406 1425 REE Sw 3 6uH BLMISPGI2ISNID 1 16W 330K 596 Eon 3 6 CU
31. 528 we C534 SDATA BST2A Ie T 55 SPK R AUD LRCH _R WCK ff io PGND2A cs27 AUD LRCK 22000pF Ze BCK 1 1 Ol I 2 50V AUD_SCK R503 100 SDA 12 1 SDA R504 100 AMP_SCL eom mem 2552 vee T e e e gt sPK_R e e 5 o 9 E N si N m SAVANE D503 nene A N 1N4148W 12 12 1503 5 2 on 10 0uH 539 R518 10K TIK me 5 our C505 5 gt gt gt m 10 0uH 50 SPEAKER R501 B 1000 0 0 C520 522 C524 AMP MUTE Q501 50 L OO A Ay 533 Gia 10K MMBT3904 NXP 0 1uF 0 1uF 10uF E 390 2 2 2 SOV 50 35 504 50 700 R513 C518 e IN4148W T R512 0 1uF 4 7K 22000pF T 190 12 12 50V 50V gt SPK_R R522 0 POWER_DET DUE L 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 SECRE T ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics MODEL 7 BLULK mrreza4oo LGE Internal Use Only ELECTRONICS Copyright 2012 LG Electronics I
32. D1625 330pF lt M MM EU 10K INI IN4 10K EXT_SPK EXT PK YL O SPRING lv 1 50V 1129 54654 2 33pF 5 6K SCARTI Lout L 4 voc GND gt Lei EU 5 120 R1684 21642 1658 R17 0 1uF 5 6K IN2 IN3 5 6K oo gt AV COMP PC L IN SOV 5 anes Ris 5 EXT_SPK _ C1665 R4217 EU_OPT IN2 IN3 33K EXT_SPK R21 C15 D1626 R1672 330pF gt 330pF 220K 2 220K 330pF 5 470K 50V EU_OPT EU_OPT EU 21668 Te PTT EXT SP EO 1655 R19 R1655 Eu 5 16 3 pEXT_SPK 2 2K 5 uM ee MEE d C1645 1661 R15 10uF 470K 470K 16V 3 3V_Normal R1613 10K EU_OPT EU_OPT 5 1 DET Bl 1611 IN CASE SMALL 15V 5 6V T O 1uF EU OPT 12V 15V OPT 16 1 1606 EU 210 TO 1 3 3V_Normal a EU E gt SCI SOG IN gu OPT E EU ore 625 MMBT3906 NXP 470 0 1uF Q1601 vy 50V R9904 _ 30V 10K R9912 222 1 gt SC1_CVBS_IN SIDE_COMP 1K EU OPT EU_OPT gt SIDE_COMP_DET EU 1608 0171602 C1604 EU R1641 SE COME RI609 CASO 220pF MMBT3904 NXP lt 47K 98408 E V DET 72 I 50V 50 R4211
33. Liquid Crystal Driving Liquid Crystal need for Polarity ERE Change with every frame Fe FF FF 7 7 mim 71 mim 71 mim gt mimm 1 71 71 7 min 71 7 1 71 7 mimm 1 71 7 71 7 7 1 71 7 7 7 71 7 71 7 71 7 7 7 mn 71 1 mim m mim Tmn 1 1 7 Him TH 0m Ty 7 my 7 H Fe Circuit Block 71 1 Tmn mn 1 7 N Him Tm Him mimimimmm gt gt H mmimimimimim Fe Data R G B amp i _ Control signal Reference Voltage Gamma Reference Voltage 2 HD HDMI EDID data i 5 Source Drive Column Line 1 Cic Csr Jessa Crystal 213 4 00 00 00 60 a 10 01 03 80 78 OA 91 a3 54 99 26 20 oF 50 54 1 08 00 31 40 45 40 61 40 71 40 01 01 80 01 01 01 01 01 01 66 21 50 Bo 51 00 B 30 40 70 4
34. PCMDATA 6 GPIO1 17 NF_CE1Z GPIO138 NC 7 NC 24 MIPS_SPI_EJ_1 4 b0101 Boot from MIPS with SPI flash _ 0 14 15 ACI7 WP MIPS_SPI_EJ_2 4710110 Boot from MIPS with SPI flash 7 116 NF_WPZ GPIO198 GEB Eck NC 8 NC 23 MIPS_WOS 4 b1001 Secure MIPS without scramble PCM AIO e NF CEZ GPIO137 2 gt E 5 lt C101 8 MIPS_WS 475 1010 Scerur MIPS with SCRAMBLE PCMADR 0 GPIO125 NF_CLE GPIO136 oclug VDD VDD NF REZ GPIO139 PF OE AI2 Wo 124 3 3V_Normal VSS 1 VSS 2 193 Norma A 3 ABIg PCMADRI2V GPIO122 NF WEZ GPIO140 gt Eu PCM PCMADR 3 GPIO121 NF ALE GPIO141 5 RESALE 105 NC 9 NC 22 AA20 19 F_RB 5 P MADRI4vGPIO99 NF RBZ GPIO142 E AA ma _10 _21 0 _ 6 vio 5 101 AR104 NC_20 RM Soi Ami PCMADRIGIGPIO102 PCMADR 7 GPIO103 PF CEI e B 5 66 LED R Y16 AL 1 03 _ 3 z PCM A 9 ABi9 108 5 PF ALB woe im eu AUD SCK 0 AB20 PCMADR 9 GPIO110 GPIO_PM 0 GPIO6 K6 POWER_DET E AUD MASTER 0
35. IC1202 1 K4B1G1646G BCH9 K4B1G1646G BCH9 DDR_1333_SS_NEW DDR_1333_SS_NEW M8 N3 M8 VREFCA P7 AO VREFCA P3 N2 A2 HI P8 A3 P2 AA L8 R8 18 R2 A6 T8 A7 B2 R3 2 D9 17 A9 D9 A10 AP G7 R7 A10 AP G7 All DIA K2 N7 All m K2 12 12 A13 NI A13 NI N9 M7 N9 NC RI R9 M2 R9 BAO 8 1 M3 Al Al A8 J7 A8 K7 C9 K9 C9 Dp2 D2 EAN61828901 ES 55 Em IC 1201 IC101 EAN61828901 FI FI HSTQ1G63DFR H9C LGE2112 T8 IC1202 H5TQOQIGO63DFR H9C L3 DDR 1333 HYNIX S7LEI lt DI V 2 MS 1 DDR_1333_HYNIX 19 2 19 A MVREFCA VREFCA AO gt All B23 IC1201 4 T A_DDR3_A 0 B_DDR3_A 0 B MAO Al C A MAI 14 ix 725 B MAO VREFCA B MVREFCA K4B2G1646C HCKO 19 2 2 Bll 2 i F22 a B MAI Al 17 E x MA2 MA2 G3 A MVREFDQ __ 12 522 G22 S 2 lt 2 DDR 1333 2G 55 MA3 MA3 N3 M8 A4 gt A MA4 A 15 37 E 2 24 4 lt B MVREFDQ P7 EAN61848801 VREFCA A9 9 21203 5 5 AA E12 DbR AU1 22 F21 1 A4 B3 B7 B3 eae 14 22 23 B MAS AS R1226 N2 Hl vss_3 m ra G8 7 7 D11 5 6 6 555 5 B MA6 lt A6 P8 vss_4 7 Ds vss 4 5 2 8
36. 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 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 1080p Component RGB RGB OK 0x1C 0xD6 0xF9 HDMI2 OK gt Check the Download to Cl Key value in LGset 1 Check the method of 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 12 000 Test 480i Component 1080p Component RGB RGB 0xD6 0xE9 b Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 A 0
37. Only for training and service purposes BLOCK DIAGRAM taa ISAG E AB 05019174 dal SS 272 8 4 dai Ee a Es I 9pIS 3 saw l 022851 2 gt a C INO MdS 16 5 007 41 V y ZEZEXYN RRE 9262 83 l 80 i 1 55552 41 5 AV 090 ul IPNY IAQ Od G 4 Nod 2 09 NL ae 4 4 5501 L 277 4 1 Wve Je X LGE Internal Use Only 20 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 desi
38. SMI4B SRSS TB 10uF E U f 10 5 7850 4 7 7532 C7537 C7545 10uF iow I 25V 25V 27927 7928 s E 1 0 11 0 01uF 50V 2 50V VU 12V_PANEL PANEL Out O amp 8 1 R1 R2 1 5319 E e L R7529 NN 24V 3 5V AMP VCC C 1 OoOntro M 50V 0 1uF Switching noise reducing MPS recommend 424V 415V IC7503 BOQ 3 5V_ST dau MP4460DQ LF Z 24V 15V Q Vgs 10 8V 24V input 7 424V MBRA340T3G MMBT3906 NXP Close AO3407A Vgs 8 3V 15V input A SW 1 1 i BST E 0 1 2 2uF 222 52 vIN2 T sov soy D7500 12V_PANEL B RL_ON_BUFFER C7542 C7544 R7588 5 EN g 3 3uF 3 5V ST ERROR OUT R7507 e J 50 50 A 4 7K R7500 R7501 COMP FREQ 100K POWER ON OFF 1 10K 27K 07501 1 7913 3 3uH mm 4 0 21 7 n 27506 lip CPI2520NHL3R3ME 2520 7524 1 8W AO3407A 220pF GND R7544 10K B Q7507 R7502 30V 8 id 190E RL MMBT3904 NXP 10K iz 25 E 1 10W b B BT3904 NXP Mo CMS 19 R7509 Q7500 C7932 C7933 5207 cn mi 10K C7505 me 3 7 0 01uF ziv a 0 01uF 50V 50V 50V L7509 e 3 6uH 2 NR8040T3R6N C7538 C7571 C7543 10uF 10uF O 1uF 10V T 50 S 2 5 1 8 LED Driver Power 1 L
39. _ 14 R1922 REG 2 2K R1913 10K B Q1901 5 MMBT3904 NXP CLOE C3 OE R1924 E CLWE lt 7PCM_WE IORD lt IORD CLIOWR JOWR 8 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 SECRET MODEL DATE THE CRITICAL COMPONENTS IN 5 MARK OF THE SCHEMETIC LG Electronics LG TRONILS BLULK GHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LED driver circuit for module LED_DRIVER LED_DRIVER D10001 L10001 PDS5100H 13 24V_LED_driver 33uH gt LED DRIVER DRIVER LED DRIVER OPT LED_DRIVER LED_DRIVER LED DRIVER R10012 LED_DRIVER C10012 C10014 C10018 C10020 10001 10002 10021 gt R10018 gt gt
40. 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 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
41. leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the replaced component and 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
42. on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer 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
43. techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test Copyright 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 b
44. 0 36 00 40 00 64 19 00 40 41 00 26 30 03 06 40 00 00 18 00 00 00 FD 00 60 53 10 00 20 20 20 20 20 70 MERE 73 1 80 02 03 22 F1 4E 90 22 15 01 26 15 09151742 18 71116 16 20 58126 25 00 0 5 Adjustsequence Press the PIP key of the ADJ remote controller This PIP key is hot key to enter the VCOM adjusting mode lt 18 02 18 71 38 20 40 00 00 1 02 581201140 After enter Service Mode by pushing ADJ key then oo oo e m As pushing the right or the left button on the remote 3 Detail EDID Options are below controller And find the V COM value Which is no or a Product ID 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 E Saving is pop P th it key to finish VCOM adjust t b Serial No Controlled on production line Tees I TENIS adjustmen c Month Year Controlled on production line ex Week
45. 0 8 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 LG ELECTRONICS MUDEL D ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR i SMALL LED DRIVER THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE scHEMETIC LGElectronics SLLILK oves Q _ E E FET ___ Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LG Life s Good
46. 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 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 Check sum HE Copyright 2012 LG Electronics Inc All rights reserved lt 12 Internal Use Only Only for training and service purposes 5 Model 4 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 1 Datan CS DELAY CMD AOh LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1 ADL EEPROM Sub Address low 00 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
47. 04 NXP ae HPDI 0 1 T 2 7K 2 7K 1 8K ac DDC_SCL_1 25 T gt DDC SDA 1 SDA 1 gt DDC SCL 1 05 0 HDMI RETA 0 HDMI 5V HDMI 2 5V_Normal g eS fas eee X gt CK d iz 2 M gt HDMII o DO HDMII DO0 _HDMI1 m gt HDMI m D2 DDC SCL 2 gt HDMI ppc SDA 2 gt M JK802 1 eee MM o 1 SIDE HD MIT Ree Sees hee yi CL C LIC CE 1 5 HDMI 4 5V_N 1 HDMI 2 A 5V HDMI 2 5 DET HDMI 2 DET 4 SOLEM R807 4 R808 4 x R895 R897 C803 803 B D4 K HP R803 5 du F HPD R837 0 1uF 16 16 1 8K E 1 8K 2 gt 956 JP805 00 eon 3 m gt DDC_SDA_2 gt SDA 4 DDC_SCL_4 gt DDC SCL 2 mom 2815 0 R841 0 DDC SCL 4 x HDMI CEC
48. 040 LVA2P ps GPro40 LVA2P 41 LVA2N By GPIO4 LVA2N GPIO42 GPIO42 LVA3P GPIO42 E 7 VBCKN FLASH 2G HYNIX P1045 LVA3N GPIO45 LVA3N BIOS EAN60708701 ABS CPIO46 LVA4P ABs 1046 LVA4P ABs 1046 LVA4P GPIO196 IC102 4 CPIO49 LVAAN GPIO49 LVAAN GPIO49 LVA4N GPIO193 HY27UF082G2B TPCB GPIOSO 50 GPIOSO GPIO194 5 5 LVBOP EX GPIOS1 LVBOP 195 ABI GPIOS2 LVBON AH GPIO52 LVBON XE 52 LVBON I2C_SCKM0 GPIOS53 LVBIP SCKMO GPIOS3 LVBIP I2C SCKMO0 GPIOS53 LVBIP 1 R I V X N6 _1 NC_29 IC1024 1 AB 2C SPAMO GPIOS4 LVBIN n SDAMO GPIOSA LVBIN m SDAMO GPIOS4 WEN S7 mE 1 10 gt GPIO73 LVB2P GPIO73 LVB2P GPIO73 LVB2P M24256 BRMN6TP AC2 ACA NC 2 28 GPIO74 LVB2N GPIO74 LVB2N 3 NVRAM ST enon LGE2112 T8 NC_3 NC_27 LVB3N LVB3N LVB4P LVB4P LVB4P EO LVB4N LVB4N NCA Nes IC103 1 25 NC 5 1707 CAT24C08WI GT3 H RECV TV ab LVACKP LVACKP LVACKP AMP_RESET GPIO36 LVAOP gt P EI pir MIS LVAON T ains NC 6 1 06 voc ECEN eae 5 DET 2 GPIO38 LVAIP Fano gt E E2 SCL 5V_DET_HDMI_4 GPIO39 LVAIN Fangs gt RXAI R B 1 05 NC 2
49. 1 POWER_DET_ON_SEMI x R7531 0 1uF 7509 1 R7531 1 2 5 6K 50V 1 7509 1 PANEL 12V_PANEL OPT P DE NCP803SN293 C R7522 Si O VV 10K B Q7505 8 5 MMBT3904 NXP m R7521 il C7547 2 Jy 47KB Q7503 0 1uF 9 PANEL CTL MMBT3904 NXP 16V SR R7524 OPT OPT E d 10K E PWM_DIM 3 3V_Normal A 3 3K gt 1K threshold voltage up R7514 3 5V_ST fae C7507 1 1K 3 9K SH R7516 C 24 15 E 1 5V_DDR 24V gt 15V 1000mA IC7502 gt R7515 MP8670DN LF Z B 10K INV_CTL BOO C7533 C7536 C7540 O 1uF 3 3uF 3 3uF m 3 5 mm imd eS Iw rt E MMBT3904 NXP 12V 15V AP7173 SPG 13 HF DIODES iu L 090916 jm real output 12 3V JPD003N MA432 4F L__WLED_ENABLE R7540 24 5 IN g OF voe RI 5152 g 522 2 1 R457 od R7865 2 Sw PG o FB 4 3K luF GND eU C7502 2 7 e 50V 1 16W GND s voc ss 1 RI C7519 3 6 C472 C476 3 3V_Normal 433 1 5A 22uF 0 1uF 25V 24V_LED_dri i EN 18 m C467 10V 16V driver 560pF S A T 50V Salada 2 L7508 Placed on SMD TOP 12V_PANEL gt H P 4 7uH P400 C461 close to IC750
50. 2 AES RXC2N USB 1 DM AE12 BLMI18PG121SN1D VDD DVI U M8 DDC_SDA_4 DDCDC_DA GPIO28 USB1_DP SIDE_USB_DP AVDD3P3_MPLL GND_75 R4030 22 ADS SCIL R7 K8 DDC SCL 4771 PPCDC_CK GPIO27 gt SIDE USB AVDD DMPLL 76 SDA C269 C271 C273 C274 HPD4 m C270 GND 77 C HOTPLUGC GPIO21 amp luk m0 LluP C4045 1uF M19 ds 125 IN BCK GPIO150 5 iT I I DVDD_NODIE 78 CK _HDMI2 I2S_IN_SD GPIO15 I 55 _ _79 Faas CK _HDMI2 RXDCKN 125 IN WS GPIO149 SIDE COMP DET AVDD_AU33 m AVDD AU33 GND 80 Sie 00 HDMI2 RXDOP AVDD2P5 MOD AVDD_EAR33 GND_81 Fl B10 M18 D0 HDMI2 RXDON I2S_OUT_BCK GPIO156 gt AUD SCK AVDD25 PGA l3mA nis GND_82 D1 _HDMI2 RXDIP DS OUT MCK GPIOI54 AUD_MASTER_CLK NR VDD33 T19 i5 D1 _HDMI2 RXDIN I2S OUT SD GPIO157 C gt AUD_LRCH VDDP 2 GND 84 xi D2 _HDMI2 RXD2P GND 85 N W18 N13 D2 _HDMI2 RXD2N C4070 e AVDD_LPLL_1 GND 86 24038 22 Dn n c CLAE W19 N DDC_SDA_2 55 DPCPP_DA GPIO30 AVDD LPLL 2 87 DDC 521 22 DDCDD_CK GPIO29 12S_OUT_WS GPIO155 AUD TS GND_88 NIG HPD2 Ra HOTPLUGD GPIO22 VDD33 VDDP NAND GND 89
51. 2 ASIA 2K R3704 100 OPT IF_AGC MAIN e e 4 _ 23785 23786 should be guarded b round 5 LD rig ASIA ASIA C3716 0 luF 1 2V 1 8V_TU A uum mun 3 3V_TU R3760 0 AZ1117BH 1 8TRE1 MSTAR IF P MSTAR E MES R3761 0 J Me 1 ADJ GND 6 lur 16 1 should guarded ground TALON Close to the tuner 2 No via on both of them 3 Signal Width gt 12mils C37 18 3740 m Signal to Signal Width 12mil 10uEFT7 046 Ground Width gt 24mils i add 0929 3 3V_TU 3 3V_Normal A A Size change 0929 L3703 MLB 201209 0120P N2 60mA C3723 C3725 C3727 22uF 0 1uF 0 1uF 16V 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 LG ELECTRONICS MUDEL Gp3_S7LR_ DATE 20110511 THE CRITICAL COMPONENTS IN 1 SYMBOL MARK OF THE SCHEMETIC GFlectronics TUNER 1 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 3 3V_Normal AMP_RESET
52. 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 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 5 Component Input 1 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 DivX HD JPEG MP3 DivX HD For SVC download Cl UK Finland Denmark Norway Sweden Russia Spain Ireland Luxemburg Belgium Netherland 42 DVB France Canal Italy DGTVi 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 Domos ar 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
53. 4 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control Mode Temp Coordinatespec Edom Edge LED W B Table in process of aging time Only LGD Edge LED Module except AUO CMI IPS Module CA210 CH 14 Test signal Inner pattern 80IRE lt Test Signal gt Inner pattern 204gray 80IRE 3 277 284 203 0 317 334 3649 272 288 297 312 327 8 8 49 270 274 266 294 310 324 79 Over 150 269 273 288 263 309 323 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 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 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 signal or POWER O
54. ADDR 6 5 mm mm mm mm mm num m Em Em mm 211 mm uu Hm mmm 1 R1902 47 PAR R1901 47 CIL ADDRIM l PCM_WAIT lt CI ADDR 3 81925 33 CEADDRIZ l TS CLK lt 33 R92 33 CI ADDRIO I TS SYNC DATAT O I CLDATATI CI_ADDR 0 14 CI TS DATA O C 13 CI DATA 2 1 TS DATA 1 C TS 2 TS DATA 3K T 1903 a x 1 l 2 5 DET 1907 100 3 1 1902 5V_Normal GND C1913 A O 1uF 16 1914 12 LI R1904 GND 1 PCM A 0 CLOSE TO MSTAR 10K C1904 0ITO742440D L 274 1Y1 E T 16v l CI_ADDR 7 lt gt ADDR 0 1A2 2A4 CI MISTRT _ 1 PCM AI7 MIVAL ERR 1Y2 6 gt 1 i eS es pe d 2A3 PCM 4 PCM 61 0 1 i CI 5 gt ADDR 2 2A2 PCM_A 3 _ 5 1 4 cer CI DETECT gt ADDR 3 RSS SS
55. B MDI M7 N9 M7 N9 a21 DDR3 DO B DDR3 DQ L20 BMDML lt 55 10144 5 NC_5 A MDMU A_DDR3_DQMU B_DDR3_DQMU B MDMU 5 55 E a 4 M2 M2 RO VSS_12 D17 L23 G2 8 A MDQLO B DDR3 B MDQLO H7 BAI NIORT 1 2 2215 T24 B MDQL1 EDU B1 d E Al Al AMDOS A MDQL2 I 2 D B9 17 17 8 3 15 12 t Q 123 2 lt XS ci E ci 3A MDQLA p B22 PPR3 DQLI3 oe 22 24 i B MDQI3 D8 MDQ MDQ E2 5 is F14 PP H23 2 B MDQLA D2 D2 MDQ MDQ L2 E9 L2 E9 ni A MDQL6 ee ora B MDQL6 ENDS A2 F9 K1 FI FI Dis 4 PPR3_DQLI6 B_DDR3_DQLI6 BRDO gt u A MDQL7 DDR3 DQL 7 DDR3 DQI 7 B MDQL7 BJ C3 A3 G9 K3 HO 16 G21 13 13 A MDQUO B DDR3 DQU O B MDQUO 11 11 A MDQUI Ee 2 B MDQUI T2 J9 T2 19 A MDQU2 BIS See a B MDQU2 POP Li 1 A MDQU3 a C21 DQUD E d Q K20 2 B MDQU2 lt L9 MDQ DDR3 DQU MDQ R E16 P dips QU 1 H20 i on B MDQU3 T7 MDQ G3 G3 a A MDQUS 2 x Lal B MDQU5 6 D16 DQUIS 2 DQUI
56. C_SCL_1 lt _ vs DPCDA_CK GPIO23 0 luF 10K MOD 5 E HPD1 lt HOTPLUGA GPIO19 AVDDIO LAN GND 53 TIS 24020 MIUVDDC DVDD_DDR GND 54 R4004 0 gt IF MAIN GND SS 24001 0 0 EN 56 Wo J16 0 047uF AVDD2P5 AVDD2P5_ADC_1 GND_57 TUNER_I2C 25 nn eic onp 218 AE6 wil J19 SCKMI GPIO75 gt C gt TU SCL wiz 5_ 3 GND 59 I2C SDAMI GPIO76 SDA ANVDD25 REF 60 Lo Close MSTAR GND_61 Y17 kis Api 2 C261 22 AVDD25_LAN E ici ND ACI V18 H10 us 555 be AVDD2PS MOD lt e 1 64 iis PM MODEL OPT 1 HOTPLUGB GPIO20 MIT x 262 22 AVDD MOD 2 65 is Iz AE9 D7 R2970FT 0 GND_66 k22 RXCCKP SPDIF IN GPIO152 CI DET Gu 67 Acio RXCCEN SPDIF OUT GPIO153 up AVDD25 PGA wis 25 GND 68 15 AVSS_PGA lt AVSS_PGA GND_69 Normal 2 5 18 D0 HDMIA GND_70 AC11 E3 U7 L12 D1 _HDMI4 RXCIP USBO DM AVDD_NODIE AVDD_NODIE GND 71 T D1 _HDMI4 Pm RXCIN USBO DP 2 5 VN ormal AVDDSES X GND 72 ET 2 RXC2P VDD33 AVDD DVI USB 1 GND 73 ADII ACI2 D2P5 172mA M7 L19 BIDE USB DM 7 T211 AND A SB 2 GND 74 D2 HDMI4 24035 2
57. DATA 6 GPIO94 FETS 004 LGE2111A WI1 NC 22 22 3 5V_ST LED W C TSIDATA_ 7 GPIO95 01 4 NC 22 s AMP SDA 7 Ul LGE2111A W1 MULTI NG SI AMP SP RJP_CTRL2 PWM4 GPIO70 NC_21 DC SDA LEDR C PWM_PM GPIO199 NC_20 NC_20 GPIO36 LVAOP NC_20 DOSE l 9 M R143 GPIO37 LVAON I O3 I O4 4 7K H6 GPIO38 LVAIP I 03 KEY1 Gs SARO GPIO31 GPIO39 LVAIN I O2 1 03 KEY2 SARI GPIO32 GPIO40 LVA2P oan GPIO41 LVA2N 1 1 0 2 EXT12V_CTRL 22 R101 15 SAR2 GPIO33 GPIO42 LVA3P 55 2 SAR3 GPIO34 ED Hi Eoo I 01 SCARTI MUTE 5 1 14 SARA GPIO35 91046 100 22 R164 Apa GPIO49 LVA4N NC_19 NC_19 5 921050 NC 19 S GPIO51 LVBOP R23 Api 9 1052 LVBON NC 18 NC_18 NC_18 U04_LGE2111A TE UO4 LGE2111A T8 U04_LGE2111A VD VSYNC_LIKE GPIO 145 2 8 5 LVBIP 17 17 re qM IC101 2 IC101 3 ROA AB 12C SDAMO GPIOS4 LVBIN LGE2111A T8 LGE2111A VD GPIO73 LVB2P NC_17 5 _ 10201 2 R25 GPIO74 LVB2N NC_16 NC_16 SPI1_DI GPIO202 LVB3P NC_16 c7 T21 LVB3N GP1036 LVAOP us GPIO36 LVAOP I GPIO3 amp ae T22 5 2 CK GPIO203 E rs 7 EVAON ps 8P1037 LVAON gs 7 LVAON 5 12 DI GPIO204 LVBAN B6 GPIO38 LVAIP B6 GPIO38 LVAIP GPIO38 LVAIP gs GPIO39 LVAIN gs GPIO39 LVAIN ms GPIO39 LVAIN TVACKD ps 1040 LVA2P ps 61
58. DRIVER LED DRIVER LED DRIVER 7 We P10000 ERROR OUT C i 1 10 1 10W 27K 39K 39K LED DRIVER ILGD 1 5 1 10 1 10 1 10W ESD rotection solution R10002 AUO CPE CPT 1 1 1 ____ LGD CMI 18 5 21 6 1 10W LED_DRIVER_NON_LGD 4 R10013 1 R10013 2 R10013 3 80 R10010 LED_DRIVER 27K 56K 56K 12507WR 06L e 14 1 10W 1 10W 1 10W 7 5K 196 120 120 LED_DRIVER 10005 1 8W LGD CMI 18 5 21 6 100 1 10W POLL LED DRIVER R10024 C10004 3 9K 100pF e SOV ILED 1500 RSETI OVP 1 23 1 R1 R2 Forward voltage spec Module ILED spec R10011 R10013 Remark Module Vs spec R10018 R10019 Remark Module min Typ Max 34 0V AUO 18 5 HD AUO 18 5 36 0V Max 560Kohm 16Kohm 44 28V AUO_18 5 30 0 34 0 36 0 60mA Typ 52 8V_Typ AUO_21 5_FHD 63mA Max 47Kohm 51Kohm 61 35mA AUO 21 5 57 6V Max 560Kohm 11Kohm 63 85V AUO_21 5 48 0 52 8 57 6 52 21 5 21 5 560Kohm 11Kohm 63 85 21 5 46 4 52 0 57 6 57 6V_Max 110mA_Typ 51 2 LGD_21 5_FHD 120mA 27Kohm 27Kohm 111 11mA LGD 21 5 56 0V Max 560Kohm 11Kohm 63 85 LGD 21 5 51 2 56 0 65mA Typ 24 8 18 51 HD Max 39Kohm 56Kohm 65 24mA CMI 18 51 27 2N 560Kohm 22Kohm 32 54V CMI 18 51 24 8 27 2 21 6 65 TYP 39Kohm 56Kohm 65 24mA 21 6 37 8 560 16Kohm 44 28 21 6 33 6 37 8 40 8 OmA 4
59. E il BuMispci2isnip es 5 7 BMVREFCA B MVREFDQ S 6 5 a 5 S v 5 e e amp olun es un aa ue al nls C1252 x En ENT Omm 5 uU um m m 2 5 om Comm 5 5 Cm Cum Cm 5 mim D D lt 19 m OuF 9 2 m qm dm cmm oum qmm umm qmm umm mU qmm qmm umm qmm qmm qmm qm qe M ee ee mM T ee z B 5 E c a NB 0 oogleoclooloooooogouongilo leoloeog e g 5 eum z I Close to DDR Power Pin Close to DDR Power Pink CL SS SS SS EM crecer d Mer foe ot eR EMT 223024 IC1201 1
60. ECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MODEL S7LR DRIE 20110324 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR Electronics LG R T i IDE IJACEK E T E 3 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GElectronics LGE Internal Use Only Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes x Option name of this page SLOT because of Hong Kong Region
61. EY PWM_LED SDA NC 13 NC 18 SX T 35 mS R129 22HDCP_EEPROM I2C SDA RI I2C_SDA GPIO196 ODEL_OPT 3 NC_14 NC_17 U23 C104 C106 GPIO193 T24 ODEL OPT 4 NC 15 NC 16 8pF GPIO194 ODEL_OPT_5 2 0 100 OLP PEE THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES B LE SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET MODEL DATE 20110511 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GFlectronics ELECTRONICS BLOCK 9 SHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 3 3V Normal MODEL OPTION
62. Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict 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 o
63. MBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics OPT R711 10K PANEL VCC LVDS Een L701 70 ohm OPT OPT C701 C702 10uF 1 1000pF 16V 50V ELECTRONICS 6_LVDS C703 O 1uF 16V MODEL ors DATE BLULK LVDS_LARGE GHEET 112 ___ Internal Use Only 3 5V ST 3 5V ST A S FLASH MAIN MACRONIX IC1401 E M X25LS8006ENDI 12G OPT R1404 7K 3 5V ST A SPI_CS R1403 E SPI SDO FLASH WP e R1401 1401 1035 SCLK SPI SCK R1405 SI SIOO 33 gt SPI SDI 0 S FLASH MAIN WINBOND IC1401 1 W25Q80BVSSIG 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 20110324 THE CRITICAL COMPONENTS IN 1 5 MARK OF THE SCHEMETIC L GElectronics SL LILK Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes ELECTRONICS 12
64. 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 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 1260 Internal Use Only 1 HD data f Vendor Specific HDMI Model name HEX 67030C001000 __ 1 12 31 4 5 67 9 00 00 FF 00 1 60 a b 10 01 03 68 78 OA EE 91 a3 54 99 26 20 OF 50 54 a1 08 00 71 40 61 40 45 40 31 40 01 01 30 01 01 01 01 01 01 18 21 50 AO 51 00 30 48 88 40 35 00 40 84 1C 10 00 72 51 DO 20 00 00 00 00 00 60 53 0 mimimimimimim gt Him omm om m m 00 00 e e 4 5 Adjust Only LGD M S Module Why need Vcom adjustment FF FF FF The Vcom Common Voltage 15 a Reference Voltage of
65. NLY 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 Wb 00 OO White Balance Start Wb O0 ff White Balance End RS 232C COMMAND CMD ID DATA MIN lt Caution gt Color Temperature COOL Medium Warm One of R Gain G Gain should be kept 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 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 Connec
66. RGB Input _4 800 137879 45090 7 VESASVOENM O 5 1024768 148363 10000 650 VESAKGA O Oo _ 5 s uma n 5 79 soo 1620 1280 768 47 776 59 870 79 50 CVT WXGA 5 3 HDMI Input PC DTV x s seo 7959 omwen x EM s wem 60020 0 VESAGXGM O 7500 10 X NEN 3 mum 29 _ wm 4m s _ 4 Movie s so s msa Copyright 2012 LG Electronics Inc All rights reserved B LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 4 Click Connect tab If Can t is displayed check connection between computer jig and set 1 Application Range This specification sheet is applied to all of the LCD TV with LD2AA 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 ope
67. RQA_N GPIO105 PM_SPI_SDI GPIO2 10K PCM_CD te 33 R151 SPI SDO nM SM T PCMCD N GPIO130 PM SPI SDO GPIO3 f A gt WAIT va PCMWAIT_N GPIO100 or SERIAL FLASH PCM_RST lt PCM_RESET GPIO129 R156 10K L 108 Bid F 1 NAND_FLASH_1G_SS NAND_FLASH_1G_TOSHIBA 0 1uF ZZ0 1uF 14 Mar VA NAND FLASH 1G HYNIX OPT TSOCLK GPIO87 I TS VAL EAN35669102 2 2 PANE 100 PWM2 USB1_OCD U21 AATO CI TS SYNC IC102 2 IC102 3 PCM2_CE_N GPIOI31 TSOVALID GPIO85 Se e S spore ne re K9F1GO8U0D SCBO 58 CD14 3 USBI_CTL 3j YZ PCM2IRQA_N GPIO132 TS 7 ei 2 22 R120 T20 2 CD 135 13 5_ 0 mui Se Asus 2 22 OV 22 PCM2_WAIT_N GPIO133 TSODATA 0 1077 CLTS from CI SLOT NC_29 ee E or PCM2_RESET GPIO134 5 8 2 15 CLTS _28 _28 TSODATA_ 2 GPIO79 CI TS DATA 3 NC 28 to delete or gate D4 AB12 3 UART1_TX GPIO43 TSODATA_ 3 GPIO80 DATA 4 NC_27 NC_27 E4 14 15 NC 27 _ N25 UARTI_RX GPIO44 4J GPIO81 T
68. S 5 NC 26 NC 26 IZD E UART2_TX GPIO6S 5 15 1 82 CI TS DATAIG PM_RXD R UART2_RX GPIO64 TSODATA_ 6 GPIO83 CI TS DATA T 1 07 1 08 MODEL OPT 6 22 R131 B8 15 1 7 ee ee Pep ee T we UART3_TX GPIO47 TSODATA_ 7 GPIO84 MODEL 7 A8 FE_TS_CLK I O6 I O7 UART3 RX GPIO48 ACIS TS VAL ERR T VE 705 1 06 ian Gas ke hae for SYSTEM HDCP 1 R136 22 P23 TSICUI GHIQoS ets 1 05 I2C EEPROM amp URSA3 12C_SCL lt RISA p24 12 5 2 _ 72 TSIVALID GPI96 lt FE TS DATA O0 7 1 04 1 05 DC SDA SDAM2 DDCR DA GPIO71 TSISYNC GPIO97 4 3 3V_Normal NC 25 NC 25 m R138 22 D2 6 TS DATAIO Internal demod out NC 25 RGB SDA 2139 22 DI DA UARTO TX TSIDATA_ 0 GPIO88 AEIS FE TS NES NC 24 NC 24 e RGB_DDC_SCL lt DDCA_CK UARTO_RX TSIDATA_ 1 GPIO89F FE TS TS1DATA_ 2 GPIO90 NC 23 NC_23 2 FE_TS_DATAL3 NC_23 TA TA TSIDATA_ 3 GPIO91 FE_TS_DATA 4 uM m PWMD P21 14 TS_ ve 2 2 N lt N23 PWMO GPIO66 TSIDATA_ 4 GPIO92 ADI2 FE TS DATA S ec CM C PWMI GPIO67 TSIDATA 5J GPIO93 FE TS DATAI 6 VSS 2 z PWM PWM2GPIO68 TSI
69. S SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SNS LG ELECTRONICS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GFlectronics GHEET 8 4 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes uM cu c C uu xc E AVDD DDRO A AVDD_DDRO Gt AVDD DDRI AVDD_DDRI A 1 5 lt She AVDD_DDRO DDR3 1 5 CAP Place these Caps near Memory DDR3 1 5 By CAP Place these Caps near Memory AVDD DDRI os db ee 5 4 A A L MX L1202 BLMISPGI2ISNID MS
70. UT BLMISPGI21SNID apne 30V P 1652 Q1607 10K MMBT3904 NXP EU_OPT Q1610 oe MMBT3906 NXP TP 1 DTV MNT_R_OUT e SCARTI_MUTE EU ag D1601 L1602 EU_OPT C1619 DIV MNT R OUT EU OPT 2 2 BLMISPGI2ISNID C1610 4700pF EU OPT B C1636 1000 Q1608 0 1uF 50V MMBT3904 NXP EU O RI650 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 L GElectronics LG ELELTRONILS MODEL DATE BLULKREAR JACK LGE Internal Use Only RGB PC 4 Lx cute 1 A NE RGB_DDC_SCL e e DDC SDA C1127 C1128 R1141 UV pon T 2 22 DSUB VSYNC lt e DSUB HSYNC lt MET SENEC D1116 Ja 30V V 1 1 m 5 6 DSUB
71. V 15V 1 1800 01800 BLMISPGI2ISNID EN SIE e C1801 R1800 C1800 10K 2 2uF R4836 EE R1802 RJP 16v RJP PROTECTION PT RJP R1801 1802 10K A 407ARJP PROTECTION RJP_PROTECTION R1833 ae 5 1K e JK1800 1835 KRJV9768 1001 024 RIE PROTECTION xe am R1834 RJP_PROTECTION 5 1K NORMAL R1856 0 21806 510 gt RJP_CTRLO 21804 510 RJP CTRLI 510 RJP R1805 gt RJP CTRL2 R1807 510 RJP gt RJP CTRL3 0 0 0 e R1854 510 RJP e e gt RJP_CTRL4 A A A 2 4 e m mM eo _ n n Sy Zy a As ale ELE gt 5 CaS 005 925 95 lice SK NEC E re A A A A A gt A AR Z X gl g a c x 6 o 36 00 00 NI O N N O N o o o o o e e EXT SPEAKER_AMP 5V_SUB_AMP SPEAKER OUT JACK
72. _B 4 e e RI 133 I D1110 DSUB_G lt zs pi pus R1147 DSUB_R e e I IK lt I 2 T am T REEF 5 E gt 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 1 SYMBOL MARK OF THE SCHEMETIC GFlectronics BLOCK GHEET 9 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes RS232C EAN41348201 IR_OUT R1123 100 is e 8 21124 3 5V_ST 100 ec D1107 D1108 CDS3C30GTH 30V 30V EXT_12V 10 am SPGO9 DB 009 IC1101 C1106 JK1101 MAX3232CDR luF 43 5V_ST VCC 21100 y4 GND 50V C1103 E O IuF DOUTI C24 RINI C1104 O luF ROUTI gt PM RXD DINI gt
73. cation EMC CE IEC 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 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 51 to S20 HYPER 521 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
74. e C Time USB 450KHz Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Seja Dis Con _ oMStar ISP Utility V4 1 6 A gt B P V Restores i Use USB E2PROM Device Setting Pin Definition n x Communication Setting 1 Speed 74 14 gt EA C SDAout SCL out Roughly Speed 450 KHz ermal PIN Reverse High SPI Setting lt lt lt 21 Auto Detect USE SPI 7 pin 1 switch UART I2c z 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 Load Read Auto Source File ReConnect iv Blank Read File HDCP Key Checksum Key 1 Restore Data M 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 up
75. e The Ras NR8040T3R6N 15K 3300pF lt lt GND C420 C492 e T ___ 4 5 22uF 22uF C494 493 16V 16V 5V SUB gu R2 R2 3300pF OPT A 10V 50V L426 BLMISPGI2ISNID AA 0 165 Vout 0 827 C1 RI R2Z 1 V 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 S7LR 26LED _ ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SECRET LG ELECTRONICS MLIDEL s LR 2eLED _ DATE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC LGElectronics powER_Adaptod GHEE T Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes CONTROL IR amp LED P2402 12507WR 04L 3 5V_ST A e R2404 R2405 E 10K 10K 1 1 P2401 12507WR 10L L2401 R2401 BLM18PG121SN1D 100 C ARS 8 22402 02 100 BLMI8PGI21SNID E e ZEN t 8 2401 C2402 D2402 _ 5 6 43 5V_ST 5 6V 1 2403 BLMI8PG121SNID 3 5V_ST AY C2403 1 7 2404 Oluf TOOOpF R242 16V 1 50V ATK R2428 22 IR lt
76. efore removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can 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 foll
77. 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 03703 Check the Tuner 1 No Exchange the 3703 1 3703 2pin 1 8 Check the 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 15 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 Circuit board LGE Internal Use Only 3 Analog TV Video Check the RF cable and RF signal Yes Check the Tuner 3 L3703 Exchange the 13703 Yes Check the Tuner 1 8V No Exchange the 1 3703 3703 1 8V Check the 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 C
78. gn without permission of manufacturer S lt Set Stand Body 300 Stand Base Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes M a 8 LO erat er are C2 C2 C2 C9 C2 Ts LGE Internal Use Only 12102
79. n the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufactu General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician 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
80. nc All rights reserved Only for training and service purposes Rear AV NON INV INI INV INI OUTI IC1601 1 SN324 NON_INV_IN4 GND voc NON_INV_IN2 NON_INV_IN3 gt AV_CVBS_IN i C1643 C1648 INV_IN2 INV_IN3 T R1654 47 220 TD v 3 3V_Normal OUT2 OUT3 1660 JK1604 10K PPJ233 01 AV_CVBS_DET RD E LUG 11036 01624 IC1601 C1646 RD O SPRING 3 AS324MTR E1 16V EU_OPT EXT_SPK CLOSE TO MSTAR TOR R18 CLOSE TO MSTAR RDICONTACT MONO 22K OUTI OUT4 2 2K L on EXT L IN mee Ue Be orn EU EXT_SPK L COMP R IN pep Eu or IQuF R1662 R14 EXT SPK eee 15098 1663 9 E BAR Ld ExT RTO 2 E K R1667
81. on 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 Using 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 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 1 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 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 gt CH1
82. opyright 2012 LG Electronics Inc All rights reserved 16 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 81146 81147 Check the LVDS output signal of Mstar IC Exchange the Mstar IC101 Or Main board 6 HDMI Video Make sure 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 U
83. owing soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil 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
84. r 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 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
85. ration Above 5 Minutes Heat Run Temperature at 25 5 Relative humidity 65 10 Input voltage 220 60 Hz 6 Adjustment equipments Color Analyzer CA 210 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 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 8 234 Device Load Auto B P V Restore HOCP Checksurn S Rd SUE F Start Addr End Addr Batch Fil
86. se Only 7 Audio of All Check the speaker menu Menu toggle menu gt 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 2 signal 8140 8141 Exchange the Mstar IC101 Yes Checkthe Mstar 125 output Check the 2 signal 1 501 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 or connector Exchange the speaker 8 TV Audio Yes Check the voltage of Tuner 33V 13703 Exchange the L3703 Yes 3703 2pin 18 Yes Implement 8 Audio of all input Of Malfunction guide Copyright 2012 LG Electronics Inc All rights reserved 18 Internal Use Only Only for training and service purposes 9 AV Audio Check the signal of JK1601 81684 R1685 Implement the 8 Audio of 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
87. t 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 advance 4 3 DDC EDID Write HDMI 256Byte m Connect HDMI Signal Cable to HDMI Jack m Write EDID DATA to 24 02 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 key Caution Never connect HDMI amp D sub Cable when EDID downloaded EZ ADJUST 0 Tool 1 1 2 2 Tool 3 Tool 4 4 Tool Option5 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 CMD i CMD2 Dao o Enter download Download A A When transfer the Mode MODE
88. 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 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 LD2AA 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specifi
89. x e 8 E rud D2405 R2413 1 5K 100p id JP2409 SOV S 6V LED W e 8 IR OUT 22414 1 5 T mm mm mm mm mm mm mm mm LED R 8 3 5 ST A C2410 m C2411 O luF 3 5V ST R37 EU ASIA R36 22 R39 our EU ik OUT R38 IR_OUT 030 10K MMBT3904 NXP e IR_OUT_EU_ASIA R40 47 Q31 IR_OUT MMBT3904 NXP e IR OUT ma l B R41 0 i IR_OUT_Brazil_USA 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 MODEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG ELECTRONICS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GFlectronics GHEET 5 4 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 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 LGElectronics USB

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