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LED TV SERVICE MANUAL

1. 3 3V_Normal 2 5V_Normal 3 3V_Norma EL os E 2 Memory Seen Comer VDDC 1 05V gt MODEL OPTION i Sagat knoe A e 5 128M 0 9 JE z E co LO N z 5 S x E a Es S E vf d m 2 Sa Sa E 128M 128M E CR MI 1 a d 5 5 z z x wo T E o x A H o oo a mE Re Cody T s s B sz Walks me zn ETE sl 8 8 N N 256M ll S N N N ni A ja b E px O O O OPT IF AGC SEIK Reet A e MODEL OPT O0 e R202 BOOSTER_OPT do 256M 128M LNA2_CTIX e MODEL OPT 1 i IE R203 RF_SW_OPT 0 NON_DVB_S RF SWITCH CTIK AAA e MODEL OPT 2 KA INA ee MODEL_OPT_3 U1 NO DDR D E P o P e i
2. A A Boot from SPI CSIN EXT FLASH 1 Db0 M ze m S7LR M NON MS10 gi NC 29 Boot from SPI_CSON INT_FLASH 1 b1 NAND_FLASH_1G_HYNIX TETOT 62 EAN35669103 NC_28 MSD804KKX gu NC 27 OS PCM A 077 lt CHIP Config gt uw mp I2S OUT BCK I2S OUT MCK PAD PNMIPAD PWMO PEMED LOST OS n B51_no_EJ 4 b0000 Boot from 8051 with SPI flash PCM_D 0 W21 R107 R109 c5 1 07 SB51_WOS 4 b0001 Secure B51 without scramble PCM DII AA18 0 GPIO 1K 3 9K SB51_WS 47b0010 Secure B51 with scramble PC DIZ 1 GPIO OS C 6 1 06 MIPS_SPE_NO_EJ 4 b0100 Boot from MIPS with SPI flash AB22 PEDRO ARTOS MIPS SPI EJ 1 4 b0101 Boot from MIPS with SPI flash PCM DIS AE20 R B 1 05 MIPS_SPI_EJ_2 4 b0110 Boot from MIPS with SPI flash PCM_D 4 AA15 3 GPIO MIPS_WOS 4 b1001 Secure MIPS without scramble 4 GPIO ERES RE 1 04 MIPS_WS 4 b1010 Scerur MIPS with SCRAMBLE PCM_D 5 AE21 e Hetty PCM_D 6 AB21 AE18 PF_OE UE m 3 3V_Normal CM EDIT p 6 GPIO NF CE12 GPIO O PF CEO e PCM_A 0 14 7 GPIO NF WPZ GPIO DU gt PF WP NC 7 NC_24 AP_10uF_X5R_OS C102 1 P e e PCM ATO US NF CEZ GPIO UE gt PF CEO OPT os NC 8 NC 23 C102 10uF 10v 85 v M M 3 PCM ATI 720 R GPIO NF_CLE GPIO PEU PF CE1 3 3 Normal R108 c101 3V_
3. Stand Body Copyright 2013 LG Electronics Inc All rights reserved 20 LGE Internal Use Only Only for training and service purposes IP for NON EU models except EU and China IP for CI slot PCM REG PCM D O 9 PCM OE 9 PCM D 1 2 9 PCM_WE 0 PCM_D 2 L 9 PCM IORD 9 PCM D 3 gt qa PCM IOWR 9 PCM D 4 0 PCM CE D 9 PCM D 5 D O PCM_IRQA S PCM_D 6 L2 9 PCM CD D 9 PCM DI7 L2 9 PCM WAIT L 2 9 PCM RST 9 PCM_5V_CTL gt aver gt TP Lor SA S2_RESET S THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2013 LG Electronics Inc All rights reserved Only for training and service purposes PCM A 8 PCM A 9 gt PCM_A 10 gt PCM A 11 PCM_A 12 SO PCM_A 13 0 PCM_A 14 9 TP for o Ls DATA FE_TS_DATA 1 FE_TS_DATA 2
4. DDR_1600_1G_NANYA IC1201 5 NT5CB64M16DP DH EAN61859501 SECRET LG Electronics AVDD_DDRO R1204 R1205 A E gt A MVREFCA en o o o H E a Ae 22 Close to Saturn7M IC um We a lem me M s A MVREFCA A MVREFDO R1203 M8 H1 L8 al 240 AVDD_DDRO 1 gt B2 10V 10uF C1205 D9 p o lt o G Hn e G7 K2 K8 N1 N9 R1 R9 C1214 Q 1uF E E 19999 E E A MA14 lt Al A8 C1 C9 D2 E9 F1 H2 H9 J1 J9 LI L9 T7 A9 B3 E1 G8 J2 J8 M1 M9 P1 P9 T1 T9 B1 B9 D1 D8 E2 E8 F9 G1 G9 1 5V_DDR AVDD_DDRO 11202 a CIC21J501NE TON e gt p oo Oo oo H Jef lel al alele K QE ze N 5 5 B S emm AFATIT e DDR 600 ZG HYR TL IC1201 H5TO2G63DFR PBC EAN61829203 VREFCA AO gt A MAO Al gt A MA1 A2 UD A MA2 VREFDQ A3 CD A MA3 A4 gt A MA4 A5 gt A MA5 A6 gt A MA6 A7 CD A MA7 A8 gt A MA8 A9 gt A MA9 A10 AP gt A MA10 All gt A MA11 A12 BC A MA12 A13 gt A MA13 gt A MBAO p gt gt A MCK A MBAl IN de OD A MBA2 wo 209 LO qu o 0 0 Lar mw gt A MCKE CD A MCKB gt
5. FE TS DATA 3 gt lt FE_TS_DATA 4 9 FE TS DATA 5 SO FE_TS_DATA 6 0 FE_TS_DATA 7 SECRET LGElectronics CI_TS_CLK CI_TS_VAL CI_TS_SYNC TS DATA TS DATA TS DATA TS DATA TS DATA TS DATA TS DATA TS DATA 0 1 2 TP ror SCART SCART1_MUTE SC1_ID sci FB sci SOG IN DIV MNT_VOUT SCART1_Lout SCART1_Rout SC1_CVBS_IN SC1_R COMP1_Pr SC1_G COMP1_Y SC1_B COMP1_Pb SC1 COMP1_DET SC1 COMP1_L_IN SC1 COMP1_R_IN LG ELECTRONICS HP_LOUT HP_ROUT SIDE_HP_MUTE HP_DET TP for Headphone MODEL 64875 DATE BLOLK ze lt SHEET LGE Internal Use Only Lis POWER BLOCK POWER DETECT 2 Rs Q403 1 POWER ON OFF 1 10K B 0400 d A e MMBT3904 NXP E poy A ENE AN I PANEL POWER i 24V 3 78V gt 3 92V 3 79V FROM LIPS amp POWER B D Power__DETL 12V 3 58V gt 3 82V 3 68V y E R402 1 100 ANN 43 5V SOC RESET
6. EPHY TP us TO EPHY TN ETHERNET XML EMI ETHERNET XMULTIPLE EPHY RP EPHY RN ETHERNET C2104 0 01uF e 50V 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 I Q ECTRONICS MUDEL DATE ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR s BLOCK tow THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE scuemetic LG Electronics BLLLK EN OHEE Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes AUDIO AMP STASSOBWEF 13402 10uH 3 3V_Normal SED gt SPK_L A C3420 C3424 0 22uF A 1000pF C3418 50V 50V 0 22uF o e EAKER L c 50v 1 o AGO 3 NC_13 i 13403 03421 03425 VE enn a 10uH m on EUM u EA
7. e R225 5 MODEL OPT 4 R228 i MODEL OE PAS NON_DUALSTRI l IC101 R230 MODEL OPT 6 di E E E MSDSOAKKX R223 e MODEL OPT 7 Dual Stream is only Korea 3D spec 1 10V_VDDC S Y D 1 e E OPT ae l Tet HM eee ome A O Em e M l E y S dz en Aor S7LR M NON MS10 a v zi o C ose to DTV_IF E E S Si E N E R288 100 C257 0 1uF Normal Power D x 43M K12 G10 2 o si o z g 3 a t e IF P MSTAR AVDDLV USB GND_32 Py G Z a z T MODEL OPT 6 HALF_NIM EU_NON_T2 HALF_NIM EU_NON_T2 3 3V_Normal VDD33 GND 33 D E Z4 z N Z 0287 HALE NIM IF FILTER A G9 G12 a m DC 1 GND 34 Sh E Siz Sm Ee E MODEL OPT 4 OPT 33pF H9 o igi ETE So N N N N N N N R289 100 C258 0 1uF L204 P x d a E m G 5 t lt 1 IF_N_MSTAR BLM18PG121 SN1D C284 1 K10 BUE eM cns HALF NIM EU NON T2 HALF NIM EU NON T2 etm e ETT Es D WP e e e HALF NIM IF FILTER 5 e Oo A v iu la la DC_4 GND_37 S7LR M NON MS10 C289 2 fu E D n E 3 3 3 L10 G18 Kas mt 38pF 30 3 X co x sj a a 10uF 10V DC 5 GND 38 PCLO L A B M12 G19 A EEN A A ESA A A A ey IC i T E T Ses e umm mar H nn es 2 I B 5 d MESES CAP 10uF X7R 0 MSD804KKX S E M13 z x G24 m m Qm i m c a E 7 gt Apo E i CT C204 1 DC 7 GND 40 F 7 C250 0 luF R216 47 TU Sq 5 oi AERE AS E gt
8. D P D D A D A P D D D D D D D Go D D D D Go Go D D oD THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION ee ee SECRET OLG LERE DATE THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC GElectronics SL LILK CHEE T Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes I IR LED and Control 3 5V_ST A CONTROL_NO_FILTER R602 R603 R611 10K 0 1 1 CONTROL FILTER L601 R600 BLM18PG121SN1D 100 KEY1 e VON CONTROL FILTER CONTROL FILTER C608 L602 0 1uF R601 100 P600 BLM18PG121SN1D 16v 12507WR 08L KEY2 lt e TON CONTROL FILTER C609 CONTROL NO FILTER R612 0 1uF 0 16V 3 5V_ST s L600 BLM18PG121SN1D T 9 R610 1 8K C602 C603 3 5V_ST LT 6 OOpF LED R BUZZ 16V 50V OPT C607 0 1uF 9 R607 16V 34 E IR CC 9 ee 100pF 50V IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION a E nou SECRET LG ELECTRONICS MODEL DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics BLOCK 7cont TRET 4 1 Copyright 2013 LG Electronics Inc All rights reserved LGE Internal
9. gt RXA2 B7 AE23 SC1 COMP1_DET GPIO45 gt RXA3 E7 AC23 HP DET GPIOA48 gt RXA3 EN MU F7 AC22 S2 RESET CJ GPIO49 gt RXA4 AB5 AD23 s P ms em ems ems m em s ems ms ms e m em em em em e m m em m em i SS SS s s lc g TUNER_RESET S G 052 gt RXA4 anD one a as a a a a E Y a a a O a a 5 MOBET ori o EPS PM MODEL OP ON RE OPT_ 46 v23 Y 52060 EN TS AND EN C v4 921054 EE gt RXB0 EEPROM A MODEL_OPT_ GPIO55 gt RXB0 3 3V_Normal ABI V25 A LNA CTRL 1 C we 120 SCKMO GPIOS6 5d gt RXB1 LNA_CTRL_2 lt ane I2C SDAMO GPIOS57 uds gt RXB1 R174 R177 MODEL_OPT_2 GPIO76 RXB2 10K TOE AC2 W23 NVRAM_ST NVRAM_RENESAS S W TW HD LVDS NON EU BR RESET DEMOD C GP1077 CO RXB2 ee C105 NON OS 512k ST NON OS 512k ATMEL x PM MODEL OPT O AA23 gt rxB3 M24256 BRMNGTP 0 i rue TRR 2 PELAS HIGH HD_NON_EU E gt f I D E RIEX24256BSASOA M24512 RMN6TP AT24C512C SSHD T PM_MODEL_OPT_0 AA25 on LOW HD_EU 2d RXB4 i 5 i AA ne YES 35 ras xn v s 26 T e PM MODEL OPT 1 HD LVDS pattern is different gt RXB4 ne R175 Between EU and NON_EU Y El WC 10K R176 gt RXACK 1 1 C 1 10K G A E i Bi S W_EU AJ HD_LVDS_EU PM_MODEL_OPT_1 AD24 e ie k t e HIGH S W_NON_EU Y23 FEL 22 I2C SCL A2 SCL E2 SCL A2 SCL W24 BRABOIS LOW S W EU AJ gt RXBCK vss SDA Ede Bo S W is differe
10. N12 er ee AS p D ao lo N N e P14 gt P H12 po 0 1uF R218 47 N CHANGE TO XE LZ 8 o 10uF 10V Dog CONDOS di 1008 10V X5R CAP 10uF X7R P15 NA E aps H13 53 RXACKP BET ANALOG SIF L CHANGE TO EST 814 RXACKN 10UF 10V X5R DC 11 GND 44 K3 Close to MSTAR E FB CORE R14 dna ubt E 5 RXAOP mum o mm uu mE ue Samus mr e uui RUE v ae J1 AC3 AVDD_AU33 S ante he RXAON 3 3V_Normal T10 H17 we BEST AC UT DC 14 END 47 x1 MP L208 Si 3 H18 L227 GND 48 RXAI1N ADA BLM18PG121SN1D BLM18PG121SN1D ci HIS L2 HALF_NIM EU_NON_T2 TER e GND 49 RXA2P P10 J9 L3 ACS TO C240 C241 NC 2 GND 50 z5 RXA2N y gt o0 1uF e H anp FB CORE lt m m HALF NIM EU NON T 1 FB RE GND 51 POWER_ON OFF_2 TA DDCDA DA GPIO27 C282 HALE ONIM EU NON T2 R16 C gii luF vs DDCDA_CK GP1026 5 TOK e rri VBBLZHMOD GND_52 717 POWER ON OFF 2 lt HOTPLUGA GPIO22 HALF NIM EU NON T2 TE NC 1 GND 53 ES R219 MIUVDDC DD_DDR GND_54 AD2 9 E J14 gt IF AGC MAIN GND_55 F AES GND_56 0285 A 516 o 0 047uF AVDD2P5 0 DD2P5 ADC 1 GND 57 r 1 25V J W10 Y S 018 000 TUNER_ 2G HALF NIM EU NON T2 a a s 0 s i s m DD2P5 ADC 2 GND 58 STE 12C_SCKM1 GP1078 EDS gt TU_SCL 3 S DD2P5 ADC S3 GND_59 ae I2C_SDAM1 GPIO79 TU_SDA IAN DD2P5_ADC_4 GND_60 E Lo lI Close to MSTAR GND 61 E Y C261 2768 DD25 LAN GND 62 A ADAE e T
11. 00 01 00 Update Ver Ver 00 02 00 Fila Marge 42PX3D UE RELEASE 0 0103 8pk To start upgrading your TV Set please follow tha procedures 1 Press an arrow key on your remote to reach START on the screen 2 Press ENTER key amp on your remote to start downloading IF you do nat went to download the upgrade file please press the arrow key Then press tha ENTER key on your remote Cancel LGE Internal Use Only 3 Show the message Copying files from memory A TV Software Upgrade Expert Copy the file from the Memory Do not remove the USB from the port Do not unplug 4 Updating is starting E TV Software Upgrade BD TV Software Upgrade UPGRADING COMPLETED Do not unplug The TV will restart automatically in seconds TORO UD 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 updated version is higher than what TV has the 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 4 Completed selecting Tool option RS 232C Connection Method Conne
12. 16v NG 5 SER e SPK L e y VDDDIG1 GNDDIG1 FFX3A TE SA OL FFX3B STA380BWE L3404 C3404 le EAPD FEX4A 10uH 2 2uF e E SED e o gt SPK_R nos TWARNEXT FFX4B ver G VREGFILT 22uP eTlODODE AGNDPLL se C3419 50V 50V gt 22 ur e e L EAKER R MCLK 50V L 13405 C3423 63427 Mews SAVE CETUUOpP E 50V 50V SEN e e SPK R 13 5V ST AUD MASTER CLK Ti 13401 24V AUD_SCK alo l LE CIS21J121 AUD LRCK GEB Tn E o e AUD LRCH o we 2497 C3411 aC 34 12 2505245 C3416 SA R3403 2 LATE ALTE luF luF 0 1uF gol OUF 10K 16V 50V 50V 50V 50V 35V o o 0 3216 R3404 100 AMP_RESET gt T e e R3401 R3406 0 AMP_MUTE vu B Q3401 io AMP_SDA MMBT3904 NXP 1000pF R3407 0 p AMP_SCL P3401 WAFER ANGLE OPT R3405 0 SPK ee POWER DET SPK L gt eo SPK R es SPK R gt es IHE AN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR s THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE scuemetic LG Electronics Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes MODEL nca 57559 DATE BLOCK fue_stassoswe SHEET LGE Internal Use Only LG ELECTRONICS MSTART DEBUG 4PIN MSTAR_DEBUG_4P P39
13. 3 TEST POINT 1 3 Poles GND Test POWER CORD GND and SIGNAL CABLE GND Hi pot Test POWER CORD GND and LIVE amp NEUTRAL 2 2 Poles Hi pot Test Accessible Metal and LIVE amp NEUTRAL 4 LEAKAGE CURRENT At 0 5mArms Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 12 6 Local Dimming Function Check Step1 Turn on TV Step2 Press P only key enter to povver only mode and escape the P only Mode by pressing Exit key Step3 Press Tilt key entrance to Local Dimming mode Step4 At the Local Dimming mode module Edge Backlight moving Top to bottom Back light of module moving Step5 confirm the Local Dimming mode Step6 Press Exit key 7 3D function test Pattern Generator MSHG 600 MSPG 6100 Support HDMI1 4 HDMI mode No 872 pattern No 83 1 Please input 3D test pattern like below O K 2 When 3D OSD appear automatically then select OK button 3 Don t wear a 3D Glasses check the picture like below o K 8 EYE Q function check Step1 Turn on TV Step 2 Press EYE key of Adj R C Step 3 Cover the Eye Q sensor on the front of the using your hand and wait for 6 seconds Step 4 Confirm that R G B value is lower than 10 of the Raw Data Sensor data Back light If after 6 seconds R G B value is not lower than 10 replace Eye Q sensor Step 5 Remove your hand from the Eye Q sensor and wait f
14. 9 1 olnoaw v 12 o01oal v Vas 10S NL JIS NL SgAO NL HVISIN N d Jl MO8XH Ee 8X 408XH AMOVXY HYNVXHTM 0VXY NI SSAO AV A 00102 130 SHANI AV Qd Jd ZdWOO NI WY ZdWOO NI SHAO ZAY NI TH ZAY MI Zzng8rd Q31 Z LA3M 1no diads VOS 19S diNv c vasos oaa X Cv MOUNT anv _ HOYT anv M19 H3lsviN ANY cIINOH Z0 10 00 MO ZadH 1NOY LNOT dH SNAO VAQdH 2N3 SNAJA 20891 0lv Nod 51 490 Y INCH AS HW ASQGAV v vas 19s oaa 3SN3S 09 HW INAH Z0 10 400 MO vas 198S ZI 119 0490 lasn asn AG SO OGS IQS MOS Ids dd Wa Lasn aais LGE Internal Use Only 19 Copyright 2013 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 N 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
15. AVDD_DMPLL C286 AB IRIN GPI04 frg R210 0 C231gglur I5 vov qus AUN Te 7 pee eet T ARCO L gt HDMI_ARC JReset_tc_soc_REsE e e e gt 2262 C279 N5 HDMI1_ARC HDMII ARC 3 5V_SOC_RESET L207 a 1UF HWRESET SOC_RESET SOC_RESET BLM18PG121SN1D 10uF I SER xs 10V R200 C201 L 62K 0 1UF C205 T THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Electronics LG ELECTRONICS N2 NON EU Copyright O 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes A TA e HEAD_PHONE HEAD_PHONE RS232_PHONE JK5301 1 R5309 KJA PH 0 0177 RS232 PHONE 9 R5302 M6 100 t3 5V ST e e M1 RS232_PHONE R5301 M3_DETECT 100 e e M4 M5_GND OPT OPT KJA PH 1 0177 D5301 D5302 JK5301 T ADUC 20S 02 010L T ADUC 20S 02 010L RS23 _PHONE 20V 20V RS232 PHONE C5306 105301 Qe Luk gt E MAX3232CDR RS232_PHONE vec C5302 0 luF RS232 PHONE GND C5303 RARE DOUT1 RS232_PHONE RINI C5304 0 1uF SOUT HEAD_PHONE PM RND HP LOUT Il OPT oo we a HEAD_PHONE DI
16. E 0 2 5WV Normal I Ge Ge Ge Ge GE Ge Ge ae AA AA AA AA AA AA GP AA AA AA AA AA AA AA AA Ge GOD Gi t3 3V Normal now 2 5V Normal A TJ1118S 2 5 A 3 gt our NE iE CC Lcd Ld MC E tov BD d med S7LR core 5 volt i I 5V Normal r EZ C440 S Vout 0 383 1 R1 R2 A Sos 185 dopo i 10V d R1 E 16V 43 3V Normal C447 u 0 33uF f N R428 5 S B e TERE TET e e e CHANGE TO 10K 16v V U C413 Bsp cusa uar 10UF 10V X5R x e T 0 047uF C403 1 Pun 22uF 22uF 13 C422 v 16V 16V 3 OPT R453 0 luF 10uF 10V TORO C441 TESTAM YDRE 27K p CAP_10uF_X7R iad R491 S aed R2 0 i 12V I L413 A 3 CIC21J501NE CHANGE TO S l 5V USB L415 16V X5R C417 Eap_10uF_X5R A 3 6uH lour CHANGE TO i 1 L401 3 mae 1007 10v x5r THERMAL CIC21J501NE al C430 17 E C444 j lour C453 C456 o 1ur iov 1C403 22uF 22uF des 5V Normalt3 3V Normal TPS54319TRE 10V 10v I SS TR I C488 al R417 TPS65281RGV i P 3300pF C439 50v td RN OPT gt USB1 OCD E R432 100pF a 1 16W 330K 5 _ h i gt C448 e USB1_CTL 2g 3300pF e li 50V C417 1 hd 10uF 10V SA R413 CAP_10uF_X7R R409 20K d Il I se lI i _ OPT C410 Vout 0 827 1 R1 R2 LI3300prF 50V J a um en a SS a e wie emm emm mm cmm D D D A
17. LVDS Output pere Replace Mstar IC 101 or Main Board 3 AV Video Check inputsignal format Is it supported Check AV Cable fordamage fordamage or open conductor Check JK1702 CVBS Signal Une No S R1722 eplace Jack gt Replace R1713 Replace Mstar 1C101 or Main Board Copyright 2013 LG Electronics Inc All rights reserved a P s LGE Internal Use Only Only for training and service purposes 4 Component Video Check input signal format Is it supported Check ComponentCable for damage or open conductor Replace Jack gt Replace R1712 or R1713 gt Replace Mstar IC 101 or Main Board 5 HDMI Video Check inputsignal format Is it supported Check HDMI Cable conductors fordamage or open conductor Check EDID NO R832 R833 R834 R835 I2C Signal gt Replace the defective IC or re download EDID data ok Check JK801 JK803 7 Do me Replace Jack ok CheckHDMI DET HPD fr No s Replace R803 R801 R826 R807 R817 Q801 R819 R818 R830 yor N Check HDMI Signal e MESO o 2 Replace Main Board If no problem check signal line N Check Mstar LVDS Output fee sh Replace Mstar IC 101 or Main Board Copyright 2013 LG Electronics Inc All rights reserved 15 LGE Internal Use Only Only for training and service purposes 6 MHL Video Check input signal format Is it supported Check MHL Cable conductors for damage or open conductor No Check
18. OUT e 00917 GND_ m 4 l AA6 L203 5 6uH HEAD PHONE Ss e eee CS e EXT L205 5 6uH HEAD PHONE E AVDD_DDR1 55mA G8 y 014 6u m E CVBS In OUT EARPHONE_OUTR TER L gt HP_ROUT J e us 97 1 GND_ E R244 33 C225440 047uH8 228 e GNE 59 SND TU_CVBS T v CVBSO C268 C272 i N22 U16 CVBS1 4 7uF 4 7uF n21 9355 21 GND_ U17 j R246 33 C227 I w4 C6 J pay np mt e S END COMP2_Y AV_CVBS_IN CVBS2 RP GP Z R249 33 C2304140 047uP AAS C5 HEAD PHONE HEAD PHONE e N20 M GN R18 AV2_CVBS_IN CVBS3 TP GP CD EPHY TP M22 VI AV2 AV2 Y5 zs e G GND aaa NC A6 M21 v10 NC_7 RN GP Kl EPHY RN uzo GND_ ES Y6 C4 e E SND Ea NC 6 LED1 GP SOC RESET F10 v12 DTV MNT_VOUT lt esh E e res L GND_ 0 C203 TN GP C3 gt EPHY TN POWER DET RESET ms a a s ms ms s ms i a M W16 G GND V17 1000pF er R252 68 C233 40 047uF 9 284 OWER_DET_ m A e z nm 9 GP v8 T7 OPT A3 A SW200 e G GND GP 53 URSA_SDA JTP 1127WEM o ae ee m SS m J T18 im E8 T N Y Close to MSTAR m E da SCE T 3 5V f e G GND B4 RESET IC SOC RESET b Y lt LEDO GP R266 1 10V_VDDC o URSA SDA 470 N 80708 R AVDD_NODIE MIUVDDC a R205 A 1600 L206 Q sc el BLM18PG121SN1D L228 a a y a am ak Gees m a C202 C200 e T BLM18PG121SN1D N4 TJ 4 7uF SS 4 7uF R217
19. W6 AUDIO OUT GND_105 SC1_CVBS_IN v3 VSYNC1 GPIO PM 13 GPIO19 F MHL CD SENSE A KIS SC1 COMP1_L_IN RIN1P AUOUTL2 v SCART1_Lout So ao lt gt nnr gt oa 1 e B17 GND 1 GND 106 R17 ue gt AVDD5V_MHL e GND_2 GND_107 SC1 COMP1_R_IN zi RINM AVDD5V MHL E DD E T E X C23 I8 DEMOD_scL C 72 GINIP GPIO PM 14 GP1020 F gt VBUS EN R T as CND 3 GND_108 6 DEMOD_SDA Ho GIN1M AUOUTR2 y5 gt SCART1_Rout e a D 4 GND 109 02 z1 E GPIO PM 15 GPIO21 TEAN e cis SNP S GND_110 rii BIN1M bs e c22 SNP ENDLIA pui SOGIN1 e GND_7 GND_112 AVDD_DDRO 55mA e D14 GNE SUD 3 T13 1 5V_DDR D18 T14 a a RR AY e GND 9 GND 114 2 71 EU w D19 T15 COMP HSYNC2 en 217 992 10 GND_115 lt R237 33 C218p_0 047uP Y2 e ND GHD M COMP2_Pr RIN2P L202 BLM18PG121SN1D mE M e DE R238 68 C219f 0 047uH 223 ic BLUME CNE e 13 e e 600 12 end 112 gt R239 33 c220440 047uF W2 ADS AO e END 33 GND 8 COMP 2_Y AV_CVBS_IN gt GIN2P 249 253 C256 ty K E22 U9 R240 68 C2219 0 047udg Y3 S C263 L z o 355 37 n e END 14 GND e GIN2M 4 7u luF 0 1u 10uF Cakes 5 Em Velo Came ge 72 F8 B U10 R241 33 C222440 047uP V1 AE5 Qi e Q Si e GND 15 GND COMP2_Pb BIN2P L OT o 7 011 R242 68 C223140 047u8 W3 AC6 Orte l e AND iE SN c224ll1000pr wi a o ofl a 8 U12 P e ee a es 9 H P
20. a Case Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key 3 Push Power on key 4 Function inspection 5 After function inspection Push In stop key Case2 Function check at the assembly line 1 When TV set is entering on the assembly line Push In stop key at first 2 Push Power on key for turning it on gt If you push Power on key TV set will recover channel information by itself 3 After function inspection Push In stop key 3 Main PCB check process APC After Manual Insert executing APC Boot file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uli ity V4_1 6 mi x P J 0 ma 08 0 EXE 25 NE amal i Device Load Auto B P V Restore HOCP Erase Config Connect Checksurn is Con Hex ti DEM tatus Start Addr n nnnnnn End Addr ULIH EEE HUruzed Bylur c menn C UxFF 144 Batch File Elapsed Time lec USB 450KHz Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes MStar ISP Util
21. i 8 E PSEUG BD2TESPUG EX e e e S d YCOMP2 R IN LEDZ COSPRING RD2 C SPRING UG on emn np THU 126 e RD2 CONTACT RDS CONTACT 1008 S e e Z on canes PR fodar iu e t3 3V Normal E NG SERIN WH1 C SPRING e 10K RD1 CONTACT RDITCONTACT SAP SUC FOYERS S PR COMPONEN RDi C SPRING POLIC SPRING e e gt COMP2_Pr amp D1703 D1703 1 AA COMP_Pr_ZENER_ROHM h Y COMP_Pr_ZENER_KEC AVI PRD TEA BUCH PRD EUG MEM UE E gic RE e mE E e mE i Bi C sPRine BLI SPRENE e gt COMP2_Pb GN CONTACT GN CONTACT e oe come X e t3 3V Normal i p GN C SPRING GN C SPRING i OK e e o s gt AV CVBS DET PEN ES PROC ENTE LUG iu i e y gt COMP2_Y AV_CVBS_IN co ES See ae FS G e a T DTV MNT VOUT IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 DATE SECRET LGElectronics ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LG ELECTRONICS BLOCK Iran non gu IOHEET LGE Internal Use Only Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes ELBHBEHRNELIL H W option ETHERNET 2 5V_Normal A ETHERNET A 12101 E JK2100 1 JK2100 BLM18PG121SN1D RJ45VT 01SN002 XRJV 01V 0 D12 080
22. 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 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 th
23. li END 63 AGI v18 H10 a L x201 AVDD2P5_MOD lt q e 00 DD_MOD_1 GND_64 2 R5 Noa 24MHZ 6262 27pF pj PM MODEL OPT 1 LUGD GPIO25 DD_MOD_2 GND_65 3 GND_66 2 AE9 D7 22 S CK _HDMI4 DE RXCCKP SPDIF_IN GPIO150 S6 abe o CI DET m GND_67 F SR CHBM a ACIO BACCRMN SPDIF_OUT GPIO151 SPDIF OPTIC gt SPDIF_OUT i i SS SS SS OO d AVDD25_PGA wis NC_3 GND_68 L9 Be 2 2 AVSS_PGA NC 4 GND 69 DOK HDMI4 RXCOP 38 R215 2 2 ADO Normal 2 5V 8 DO _HDM 40 gt PNE RXCO zs SID USB u7 L12 E NODIE D1 _HDMI4 apis RXC1P UsB0 Du PS AVDD_NO lt DD_NODIE GND_71 115 2 5V_N 1 AVDD2P5 D1 _HDM co agi 801 USBO DP CAO IS p GND 72 11 DD_DVI_USB_1 GND_73 t are AC12 L211 AVDD2P5 172mA M7 cbe SES eun osa es D2 _HDM 40 gt aus RXC2 USBI DM 1775 SIDE USB1 DM BLM18PG121SN1D _DVI_USB_ 7 5 DDC SDA 4 DDCDC_DA GPIO31 USB1_DP SIDE_USB1_DP Tm ee DD3P3_MPLL GND_75 3 EDU AXDD D lt DD_DMPLL GND_76 DDC_SCL_4 lt _ ne DDCDC CK GPIO30 Eg Oh 0 u HPD4 ea HOTPLUGC GPIO24 T ek eee 10v eke m M19 GND_77 1 e I2S8 IN BCK GPIO148 Su gt AMP SCL 1 ST 650 Hn DD_NODIE eno Ea CK _HDMI2 3 RXBCKP 128 IN SD GPIO149 K AMP SDA CHANGE TO X L v7 GND_79 5 E AVDD_AU33 CK _HDM lt c3 RXBCKN I2S IN WS GPIO147 Kl coMP2 DET 10UF 10V X5R 6 o Ws DD AU33 GND 80 5 DO _HDMI2 RXBOP ote AVDD2P5 MOD DD_EAR33 GND_81 B DO _HDM 20 gt zz RXBO 128 OUT BCK GP10
24. line ex Week 01 gt 01 Year 2012 gt 16 fix LGE Internal Use Only d Model Name Hex cf TV set s model name in EDID data is below MODEL NAME 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 e Checksum Changeable by total EDID data EDID C S data HD HDMI Block 0 ir ok SED 4B HDMI2 f Vendor Specific FHD 8bit model Model name HEX HDMI1 67030C001000 HDMI2 67030C002000 HDMI3 67030C003000 5 4 Outgoing condition Configuration m When pressing IN STOP key by Service remote control Red LED are blinked alternatively And then automatically turn off Must not AC power OFF during blinking 5 5 GND and HI POT Test 5 5 1 GND amp HI POT auto check preparation Check the POWER CABLE and SIGNAL CABE insertion condition 5 5 2 GND amp HI POT auto check 1 Pallet moves in the station POWER CORD AV CORD is tightly inserted 2 Connect the AV JACK Tester 3 Controller GWS 103 4 on 4 GND Test Auto f Test is failed Buzzer operates f Test is passed execute next process Hi pot test Remove A V CORD from A V JACK BOX 5 HI POT test Auto f Test is failed Buzzer operates f Test is passed GOOD Lamp on and move to next process automatically 5 5 3 Checkpoint 1 Test voltage 1 3 Poles GND 1 5KV min at 100 mA SIGNAL 3KV min at 100 mA 2 2 Poles SIGNAL 3 KV min at 100 mA 2 TEST time 1 second
25. mode Veres Gone bus me fan qesi TJ 2 romer ars To man Joos 3 6407480 sone sia sho 2678 96064 JI 4 6007600 aenn ster e031 40 vessen 5 1024 768 ann 14636 60 00 650p vesen Le meweaere oss oos Jom ves c L7 126071024 6006 63981 60 020 108 VESAGXGA FHDonhGupporis HDMI PC s 1300760 ann rri eos Tans VESNMWKGN 00000 WUXGA ES 1920 1080 60Hz ws w Ta 148 5 Reduced blanking FHD only Support to HDMI PC Copyright 2013 LG Electronics Inc All rights reserved f 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 LED TV with LB36B chassis 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing Power adjustment Free Voltage Magnetic Field Condition Nil Input signal Unit Product Specification Standard Reserve after operation Above 5 Minutes Heat Run Temperature at 25 C 5 C Relative humidity 65 10 Input voltage 100 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 Service remote control 7 Push the IN STOP key For memory initialization 2 3 4 5 Na a
26. 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 2013 LG Electronics Inc All rights reserved Only for training and service purposes rer Leakage Current Hot Check See below Figure Plug the AC cord directly into the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5 K 10 watt resistor in parallel with a 0 15 uF capacitor between a known good earth ground Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5 mA In case any measurement is out of the limits specified there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter Good Earth Ground such as WATER PIPE To Instrument s CONDUIT etc exposed METALLIC PARTS 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 O Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this ser
27. 00 12505WS 04A00 JP GND1 JP GND2 JP GND3 JP GND4 LE gt RGB DDC SCL RGB DDC SDA IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics Copyright O 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LG ELECTRONICS DATE my RLE 00006 SHEET A TA e RS232C_DEBUG_4P P4000 12507WS 04L R4001 100 PM_TXD Ki R4000 100 PM RXD C IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC GElectronics LG ELELTRONILS SL LILK CHEE T Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MODEL T 69709 TORTE ms ms ms ms ms ems mms ms a a ms ms ems ms ms ems ms ms ms ms m ms es s ms s ms ms ms ems ems ems ems ems emg IC102 ms s s s e s em s m i s Oe H27U1G8F2CTR BC CHIP Con
28. 1 Our TOY PCM ATZ m R 1 GPIO NF REZ GPIO m CO PF OE A 0 luF VCC 1 VCC_2 CHANGE TO ba de 2 sie T e 1I noes a DO MUR mU A a a a a PCMLATS EN R 2 GPIO NF WEZ GPIO PESE PF WE R105 vss_1 VSS_2 CLOS 5 E i ed si PCM_AT4 X55 R 3 GPIO NF ALE GPIO XU PF_ALE IK e a El S o PCM ATS R 4 GPIO NF RBZ GPIO F RB NC 9 NC 22 08 D 0 E E AA21 PEN ATE R 5 GPIO 9 CI LED R BUZZ Y19 NC 10 NC 21 PCM A 7 XH R 6 GPIO e AUD SCK PCMLATS mr R 7 GPIO CLE NC_20 AUD_MASTER_CLK R148 Ere P e AUD MASTER CLK 0 UPS ABIT 9 0 6 R GPIO GPIO_PM GPIO gt POWER DET PF cri gt ALE 1 03 OP 56 PCM A 10 AB20 PM 0 KG e PWM1 PCM ATI R 10 GP PM UART TX GPIO PM 1 GPIO7 gt PM TXD PF ALE WE 1 02 C112 AA16 K5 R 1 GP GPIO PM 2 GPIO8 INV_CTL PF WE 100pF e PWMO PCM A 12 AA19 1 PMI217 J6 IBE WEES WP 1 0 50V PCM ATI3 Acsi R 12 GP GPIO_PM 3 GPIO9 V gt RL ON S POATA R 13 GP GPIO_PM 4 GPIO10 gt POWER_ON OFF_1 AR104 OS NC 11 1 00 o AALT L6 22 OS R106 R 14 GP PM UART RX GPIO P GPIO T PM_RXD Z os R102 1K NC 12 NC 19 S 2 e pr p 5 PM SPI SCZ1 GPIO P GP E 3 3K 6 i e ee En 9 S E PCM REG C REG N GPIO GPIO P GP Se CD FLASH WP NC 13 Nc 18 m E te N a ABIS GPIO_P GP ME gt SIDE HP MUTE 43 5V ST NC_14 NC_17 e e e PCM OE C mon OE N GPIO116 GPIO P GP et gt PANEL CTL E a gt P
29. 120 CIS21J121 HD c1101 LA 0 1uF 16V EU pin assign is different from NON EU Because of position of HD wafer amm cum o m A AA D AA A A AA AA A A AA A AA A AA A AA A A AO AA A o Gm a MODEL reer TDATE BLOCK vee on SHEET LGE Internal Use Only LNA_CTRL_1 gt 2 e i BR RESET DEMOD GLOBAL tuner block except EU and China FE AGC SPEED CTL e r __ FE TS SYNC o IF AGC SEL LNA CTRL 2 AS FE_BOOSTER_CTL O FE TS VAL ERR eo LNA2_CTL RF_SWITCH_CTL e jc EE e o DEMOD_SCL Pull up can t be applied because of MODEL_OPT_2 TU3700 Q9 FE_TS_DATA 0 o DEMOD SDA TD G201D TU3702 eae TDSH G501D TUNER_OPT TUNER_ISOLATOR_DVB_1INPUT_H ES R TU A S TU_IIC_NON_ATSC_1K 3 3V_TU R3733 R3741 1 TOOK iH IIC NON ATSC 1K close tl TUNER R3732 11C NON Z gt 100 TA TUNER RESET R3g 05 0 tod C3
30. 12V 3 5V_ST L412 A A Ed 120 0409 R488 cIs213121 A03407A Ko DN N 100K 192 a e e T E PD_ 12V PD_ 3 5V R463 SRESET_IC_SOC_RESET E 10K C443 R448 R450 C438 ron 10uF PANEL VCC Dee 0 K 16V D 0 iuF J G 1 5 RESET_IC_ SOC_RESET 3 3 Normal 25V e 2 R402 post s PE e 2 RESETS ANAL ES 3 5V_ST 3 5V_ST MMBT3906 NXP R440 R419 S eK PD_ 12V 0402 1K i cati R447 C474 1 2K 0 luF R415 LUE ES 3 5V_ST e e 100 Rae c tes i81 J gt A 1 3 m R430 NS POWER_DET_RESET IC408 1 PANEL GTL NN B Q407 7 APX803D29 R416 2 Spa MMBT3904 NXP PD 424V R411 R421 001 AL22 24V R404 461 R406 ds B ANS ane i 100K R pq E IE a i e S PD_ 24V E 0405 R482 MMBT3904 NXP E 8 2K T E si E ed PWR DET ON DIODES R 10K 100 RL_ON E 0401 1C409 1 gt e MMBT3904 NXP v ap eu A A A A D D D D P D P D P A D D D D D P D P D D D D D D D ow S APX803D29 R462 A ep ep aD D A D D A D D D D D D D D D D D D D D D D D D D D D GP D oH PD_ 24V 1 5K 10K C412 n RESET P401 dios 15 RESET _ _ SMAW200 H18S1 R412 3 9K 7 N 7 D R 16V 7 E e SS SS m PWM_DIM_PULL_DOWN i CIC21J501NE DRUUON For SSLNS4 Power ON No
31. 154 V LD AUD SCK AVDD25 PGA 13mA pr GND_82 C gt VDD33 D1 _HDMI2 ai RXB1P I2S OUT MCK GP 10152 H AUD_MASTER_CLK ond velat e EVER DP 1 GND 83 E D1 _HDM 2 a5 RXBIN 128 OUT SD GPIO155 gt AUD LRCH AT gt DP_2 GND_84 1 D2 _HDMI2 a3 RXB2P pn GND_85 3 D2 HDM gt e BXB2N 2S I F Ret C269 1 e nib DD_LPLL_1 GND_86 A LU DDC_SDA_2 DDCDB DA GPIO29 Liv DD LPLL 2 GND 87 5 U6 C10 AUD LRCK 10uF 10V GND 88 DDEC SC c Be DDCDB CK GPIO28 I2S OUT WS GPIO153 CEP OADUBE STR v19 6 b as VDD33 HPD2 Ci a4 HOTPLUGB GP1023 DP NAND GND 89 3 CEC REMOTE 7 CEC GPIOS i Gu es o cs 1 GND_90 E GND_91 er A A e m AVDD_MIU e DD DDRO D 1 GND 92 T i 5 P8 2 Y9 HSYNCO 1x3 e LE DD DDRO D 2 GND_93 5 VSYNCO e E DD_DDRO_D_3 GND_94 5 2 AAT C238 2 2uF jj AV2 a RENDE AV2_L_IN e DD_DDRO_C GND_95 511 P3 AB8 C239 2 2uF AV2 GND 96 n RINOM v AV2 R IN K17 P13 GINOP C242 COMP2 L IN e DD_DDR1_D_1 GND_97 re 1 Y10 aoa E L 3 GINOM tem H COMP2 R IN e EDS DD DDR1 D 2 GND_98 gt SC1_ID mo BINOP A T L16 Don e os A EX SC1_FB BINOM DD_DDR1_C GND_100 PF SC1_R COMP1_Pr 1f socrno J E GND 101 K CHANGE TO X5R AUDIO IN GND_102 SC1_G COMP1_Y F9 R9 pes er ae ee t T m cw 103 sci SOG IN HSYNC1 m Aa Px i oll R12 v3
32. 2 Function Check 4 2 1 Check display and sound m Check Input and Signal items 1 TV 2 AV CVBS 3 COMPONENT 480i 4 HDMI Display and Sound check is executed by Remote control Caution Not to push the INSTOP key after completion if the function inspection LGE Internal Use Only 5 Total Assembly line process 5 1 Adjustment Preparation W B Equipment condition CA210 CH14 Test signal Inner pattern 80IRE LED Module Above 5 minutes H run in the inner pattern power on key of Adjustment remote control The spec of color ee and coordinate Mode ColorTemp X gt 274 0 002 Cool C50 13 000 K Y 0 280 0 002 lt Test Signal gt Inner pattern for W B adjust External white pattern 80IRE 204gray X 0 290 0 002 Medium 0 9 300 K Y 0 300 0 002 X 0 318 0 002 Warm W50 6 500 K Y 0 336 40 002 ROW LED W B Table in process of aging time Only LGD ROW module aa a Eu te NEAR 2 s 276 282 202 302 3 3 se ors zw 30 3 4 10719 200 277 200 207 3 5 2035 272 are 200 200 3 296 3 294 3 298 3 6 3649 201 275 207 7 5079 210 274 200 8 0000 260 273 206 Connecting picture of the measuring instrument On Automatic control Inside Pattern is used when W B is controlled Connect to auto controller or push Adjustment Remote control POWER ON gt Enter the mode of White Balance the patte
33. 21J121 ARN e Aa A 03723 C3725 C3715 C3727 e F 0 1uF 22uF 0 1uF E 16V 6 3V 16V C3741 1 L S E 10uF 10V CHANGE TO CHANGE TO CAP_X7R_MP 6 3V 2012 X5R 6 3V 2012 X5R SHIELD THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES N d SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LG H El TRONILS THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics I MODEL oss TORTE BLOCK SHEET Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes COMPONENTI AV COMMON AV2 GOMP AVIJA2 JKT OL PRJZA AI RD3 E LUG R1716 e T AW gt AV2 R IN RD3 C SPRING e Essen SR T i e RD3 CONTACT oe e T AW 2 AVZ L TM AWV2 WH2 C SPRING e DES aee SH T e o YE CONTACT 202 e NN DE gt AV2 CVBS DET PETC SPRING L 0 e gt AV2 CVBS IN C OMP AV 1 Yo o nuo nad R1702 oe N va iocos ases xoc JK1702 LY Ele va vone e R id Ds PPd245 61
34. 345 Fix the one of R G B gain and change the others For G FIX model Cool Mode 1 Fix the one of R G B gain to 192 default data and decrease the others If G gain is adjusted over 172 and R and B gain less than 192 Adjust is O K 2 If G gain is less than 172 Increase G gain by up to 172 and then increase R gain and G gain same amount of increasing G gain 3 If R gain or B gain is over 255 readjust G gain less than 172 Conform to R gain is 255 or B gain is 255 Medium Warm Mode Fix the one of R G B gain to 192 default data and decrease the others 8 When adjustment is completed exit adjustment mode using EXIT key on Remote control CASE Cool First adjust the coordinate far away from the target value x y 1 x y gt target i Decrease the R G 2 x y target i First decrease the B gain ii Decrease the one of the others 3 x gt target y target i First decrease B so make y a little more than the target 11 Adjust x value by decreasing the R 4 x target y gt target i First decrease B so make x a little more than the target ii Adjust x value by decreasing the G After You finish all adjustments Press In start button 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 S
35. 70 OPT 3710 0 1uE 0 1uF T Toe vui Inu RESET e TU IIC ATSC 1 8K TU IIC ATSC 1 8K R3735 33 e s n R3736 33 e nace OPT OPT B1 3 3V jm m Tz Tu 18pF 18pF 20pF 20pF BT 3 3V T Tw TD T 52350 ptas to TUNER E z R3758 om Etta Tev gt TU_SIF B2 1 89 opr 2 OPT B2 1 8V ws a R3784 CVBS OPT gt TU CVBS HALF NIM IF FILTER HALF NIM IF FILTER R3760 1 R3761 1 10 10 IF AGC AAA R3761 0 ELE e PO ee _ R3760 0 DIF LN e ALF NIM IF_NON_FILTER IA Z Close to the tuner i gt IF_P_MSTAR gq po IF_N_MSTAR Q SHIELD ZU Ne E uum es p SA U 1 should be guarded by ground 2 o via on both of them D 3 Signal Width gt 12mils H Signal to Signal Width 12mils gt Ground Width 24mils FB3V TU hd ZU S ALS 8V_TU C3707 C3708 GND seperation for ASIS tuner 5 A 100pF 0 1uF E B ES 16V lo jm et 100pF 0 1uF U Tw Te close to the tuner pin add 09029 2 E T E lt nv OH daj gja R3704 100 zo 2 FA Eus e a es Te E I C3716 should be guarded by ground 0 1uF T 16V f N ee V T 313 _TU 103703 AP1117E18G 13 1 8V_TU A TUNER MUL OP ON 3 INADJ GND IW Fi LNA FILTER SETTING e 3717 BE OUT JUE anm but E Frequence Filter Type Tov TDSS H501F d TUNER ATSC 54MHz 350M R3766 1 350Hz 450MHz 3 3V_Normal ee 4 450Hz 870MHz 3 3V_TU A MS c3741 q CAPLOUF_X5R T 10uF sss TO Size change 0929 qos 10UF 10V X5R 13703 pe e J CIS
36. 73 E6 AB23 F6 NE ZI NC_10 NG NOTO NC_21 7 GPIO40 LED_R BUZZ lt __ PWM PM GPIO197 NC 20 5 QE AC25 NC 20 CLE NC 20 CLE NC 20 EE ARE 1 03 gt GPIO42 1 04 ALE 1 04 ALE 1 03 ES TS AD25 m H6 Based as EU 1 03 WE 1 03 WE 1 02 22 cproa4 aczi KEY2 lt J sari cP B7 AE23 G4 I O a7 921045 RE 3s SAR2 GP I 02 WP 1 02 WP 1 0 GP1048 SAR3 GP 1 00 F7 AC22 J4 8 GPIO49 SAR4 GP 1701 NC 11 I O1 NC 11 1 00 ABS AD23 SCARTI MUTE lt e NC 19 gj 621052 E NC 19 NC 12 NC 19 NC 12 NC 19 AB LO N A9 723 R23 NC 18 NC 13 NC 18 NC 13 NC 18 FA GPIO54 goa VSYNC LIKE GPIO146 NC 17 GPIO55 ABl v25 R24 NCSI NG 14 Nec Nera Neat 12C_SCKMO GPIO56 SPI1_CK GPIOL99 NC_16 NC 16 NC 15 NC 16 NC 15 NC 6 aS I2C_SDAMO GPIO57 Ser 2a 3271 DI GPIO200 282 w25 T21 K GPIO76 SPI2 CK GPIO201 AC2 W23 122 CK GP1077 SPI2 DI GPIO202 AA23 Y24 AA25 AA24 pl ler edendo se ee senes ue dere dl eeu ana ETUR bung I2C 3 3V Normal AD24 Y23 W24 S7LR M NON MS10 OPT e IC101 R156 10K T25 o e SEU MSD804KKX U23 RI402 R141 RIGAS R145 Tai R157 100 K K 2K 2K PWM DIM X PWM2 T23 us SYM A NE OPT AMP_RESET EE GPIO39 gt RXAO CECI 2L AMP_SDA FRC_RESET FRC RESET X Ps lt 040 CEPS gt RXAO 2 2ur Ki AMP SCL 5V_DET_HDMI_2 se 991041 Bun gt RXA1 5V_DET_HDMI_4 GPIO42 gt RXA1 I2C_SDA E5 AD25 AV_CVBS_DET GPIO43 gt RXA2 I s D5 AC24 AV2 CVBS DET GPIO44
37. A MODT gt A MRASB AVDD DDRO gt A MCASB R1231 A MWEB 10K i CD A MRESETB CD A MDOSL gt A MDOSLB gt A MDOSU CD A MDQSUB gt A MDML gt A MDMU gt A MDQLO gt A MDQL1 gt A MDOL2 gt A MDQL3 gt A MDQL4 CD A MDOL5 gt A MDQL6 gt A MDQL7 gt A MDQUO CD A MDQU1 gt A MDQU2 gt A MDQU3 CD A MDQUA CD A MDQU5 gt A MDQU6 CD A MDQU7 LG ELECTRONICS A MAO A MA1 A MA2 A MA3 A MA4 A MA5 A MA6 A MAT A MA8 A MA9 A MA10 A MA11 A MA12 A MA13 A MA14 A MBAO A MBA1 A MBA2 A MCK A MCKB A MCKE A MODT A MRASB A MCASB A MWEB A MRESETB A MDOSL A MDOSLB A MDOSU A MDOSUB A MDML A MDMU A MDOLO A MDOL1 A MDOL2 A MDOL3 A MDOL4 A MDOL5 A MDQL6 A MDOL7 A MDQUO A MDQU1 A MDQU2 A MDQU3 A MDQU4 A MDQUS5 A MDQU6 A MDQU7 Uit jplalalojujojpiejalanloulajp Q U t cjpjalclajvisipliejvlajviejein NIN lA lE ajvjsivjalejaln Oojjajoja jr a jojo IC101 MSD804KKX S7LR M_NON_MS10 SYMBOL B A_D A_D A_D A_D A_D A_D A_D A_D A_D A_D A_D A_D A_D A_D DR3_A 0 DR3 A 1 DR3_A 2 DR3_A 3 DR3_A 4 DR3_A 5 DR3_A 6 DR3_A 7 DR3_A 8 DR3_A 9 DR3_A DR3_A DR3_A DR3_A DR3_A DR3_BA DR3_BA DR3_BA DR3_MCLK DR3_MCLKZ DR3_MCLKE DR3_ODT DR3_RASZ DR3_CASZ DR3_WEZ _DDR3_RESET DR3_DOSL DR3_DOSLB DR3_DOSU DR3_DOSUB DR3_DOML DR3_DQ DR3_DQ DR3 DQ DR3 DO DR3 DQ DR3 DO
38. AJ B North Latin America http aic lgservice com Y Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED IV CHASSIS LB36B MODEL 32LN54 32LN54 T CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67704507 1306 REVO1 Printed in Korea CONTENTS Med up 2 SAFELY PRE AU IO Sqarime nd Keko nga iR Se IRIURE 3 SERVICING PRECAUTIONO pd e hh Ga UN s 4 SPECIFICATION M 6 ADJUSTMENT INSTRUCTION corrida 8 TROUBLE SHOOTING 13 BLOCK DIAGRAM 00000 SERI UI LUN VUE M nDEE 18 EXPLODED VIEW ixi IM M PISNURmESENERINN CIN CUMDANIISEE 20 SCHEMATIC CIRCUIT DIAGRAM nona aaa nenen nese rene sere nete nnne Copyright 2013 LG Electronics Inc All rights reserved 95 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 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 use
39. ATS NC_26 NC 26 ca NC 26 ca NC 26 PM TXD lt n24 UART2_TX GP1068 TSODATA_ GPIO85 Piar CITS DATATO 1 07 PM RXD sg VART2_RX GP1067 TSODATA GPI086 Fo CITS DATATT A m ee ee 1 08 e 5 1 08 c_s 1 07 SYSTEM t MODEL OPT 6 ag VART3_TX GPIOSO TSODATA_ 7 GP1087 EN 1 06 or TE EEPR 1 07 C 6 1 07 C 6 1 06 IC104 MODEL OPT 7 UART3_RX GPIOS51 AC15 FE_TS_VAL_ERR 1 05 1 oe M TS1cLK GP10101 T7577 FE TS SYNC R 1 06 RY BY 1 06 RAB 1 05 2c_scL C pus 22 Pad 12C SCKM2 DDCR_CK GPIO75 TS1VALID GPI99 Fo EE TSCDATA O f R 1 04 1 05 RE 1 05 RE 1 04 2C_SDA I2C SDAM2 DDCR DA GPIO74 TS1SYNC GPIO100 NC 25 I SS 52 AD FE TS DATA O Internal demod out NC 25 CE NC 25 CE NC 25 S7LR M Multi Package RGB DDC SDA S DDCA DA UARTO TX TA GPIO91 e FE TS DATATI NC 24 niai NC_24 NC_7 NC 24 NC 7 NC 24 RGB_DDC_SCLC_ DDCA_CK UARTO_RX AL GP1092 Peza FE TS DATA Z2 S7LR M MS10 NC 23 d F 33 mm ome o e A GPIO93 K FE TS DATA 3 FE TS DATA 0 NC_ NC_ NC_ NC_ NC_ TEES IC101 1 p3 BA GPIO94 Pcia FE TS DATAJA e FE TS DATA 0 VCC_2 vcc 1 vec 2 706 1 VCC 2 LGE2121 MS M1 L13 MS10 PWMO lt N23 PWMO GPIO69 TA GPI095 V FE TS DATA 5 vss 2 pwm1 lt pon PWM1 GP1070 TA 5 GP 1096 F FE TS DATATG VSS_2 VSS_1 VSS_2 VSS_1 VSS_2 pwm2 lt x5 PWM2 GPIO71 A 61 Ge1097 ia FE TS DATATT NC 22 rai fog e PWM3 GPIO72 TA GPIO98 NC 22 NC 9 NC 22 NC 9 NC 22 a i25 P20 z NC 21 3 GPIO39 PWM4 GP10
40. CM WE lt X938 WE N GPIO195 PM SPI SCZ2 GPIO PM GP G PM MODEL OPT 0 Nc 15 NC_16 PCM_IORD CJ K020 IORD N GPIO114 GPIO_PM GP gt AMP_MUTE PCM IOWR C IOWR N GP 12 35 dum SE Ki 3 PM_SPI_SCK GPIO1 gt SPI SCK AD21 D3 R146 33 PCM_CE C m CE N GPIO PM SPI CZ0 GPIO PM 12 GPIOO F gt SPI CS PCM IRQA IRQA N GP PM SPI SDI GPIO2 SPI SDI Y18 B1 R15 33 PCM CD m CD N GPIO PM SPI SDO GPIOS3 f EXER i sPI SDO les s e e a e e e e e e e e e e e e e e e e e e e e e e e e e e e i e e PCM_WAIT o5 WAIT N GP or SERIAL FLASH PCM RST C _RESET GP r NAND FLASH 2G HYNIX gt lt cI_TS_CLkK UD NAND FLASH 1G TOSHIBA NAND FLASH 2G TOSHIBA NAND FLASH 1G SS Y14 S CRT EAN60708702 EANGISOBQOI TSOCLK GP TS_ 1e102 91 EAN60991001 EAN61857001 U21 AA10 CI TS SYNC 1C102 2 IC102 3 IC102 4 USB1_OCD 2_CE_N GP 34 TSOVALID GP H27U2G8F2CTR c v21 Y12 TC58NVGOS3ETAOBBBH TC58NVG1S3ETAOO K9F1G08U0D SCBO USB1_CTL C NEG 2 IRQA N GPIO135 TSOSYNC GP CI_TS_DATA 0 7 2 CD N GPIO138 CI TS DATA O T20 GNE Y13 Ts_ ES NC 29 PCM 5V CTL C 2 WAIT N GPIO136 TSODATA_ GPIO80 CI TS DATA T from C SLO NC_29 Gi NC 29 ci NC 29 U22 7 Y1 2 RESET GPIO137 TSODATA GPIO81 5 CI TS DATAT2 Wee NC_28 a NC_28 G2 NC_28 Da TSODATA_ GPIO82 AB12 CI_TS_DATA 3 NC_27 MHL_OCP_DET g4 VARTI_TX GPI046 TSODATA GP1083 Foo CI TS DATA Nc 27 c_3 NC_27 c_3 NC_27 MHL_OCP_EN lt xs VARTI_ZRX GP1047 TSODATA_ 4 GP1084 F7 CI TS DAT
41. D D P D D D D D D D D D D D GaP op 1 gu as pump REA Mos MHL OCP i 100 HDMI_CEC CEC_REMOTE_S7 i AVDD5V_MHL 5 HDMI 4 ICS902 A BD82020FVJ tovcNormat 3 3V_Normal D800 A A BR230LSFT1G GND e 8809 30V E e 5V HDMI 2 5V_Normal 5V HDMI 4 5V Normal 3 59 ST s 100K IN 1 uF OPT A A A REI e I I idc 1 a CN wH N u Kp amp a a 2 t MMBD6100 MMBD6100 MMBD 6100 y v D822 y y D824 y v a S D825 E O O gt T e 3 3V Normal Se Sa T R827 Tor is M R806 20K VBUS_EN R822 R823 10K x R824 lt R825 MHL OCP DET UT SAJ Tow DOR OTK S TKI d ce lt DDC_SDA_2 DDC_SDA_4 R816 10K DDC_SCL_2 DDC_SCL_4 MHL OCP EN Active High em em em a amb 2 a GEB a a 2 GEB GE Gb Gm Gm Gm am am d lb e e e e e m o a 4m 4mm A Gm Gm Gm A A A ao ao ao A o ao A a o Gm m m Gm at THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE
42. DR3 DQ DR3 DO DR3 DO sl R Ur dame 0 BO ces DR3_DQU DR3_DQU DR3_DQU DR3_DQU DR3_DQU DR3_DQU DR3_DQU Sd 05 OD amo D Ke Pe DR3_DQU B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A B_DDR3_A _DDR3_A B_DDR3_BA B_DDR3_BA DDR3_BA _DDR3_MCLK B DDR3 MCLKZ B_DDR3_MCLKE B_DDR3_ODT B_DDR3_RASZ B_DDR3_CASZ B_DDR3_WEZ B_DDR3_RESET B DDR3 DOSL _DDR3_DQSLB B_DDR3_DQSU _DDR3_DQSUB DR3_DOML DR3_DQMU DDR3_DQ DDR3_DQ _DDR3_DQ _DDR3_DQ _DDR3_DQ DDR3_DQ DR3_DQ DDR3_DQ nu 0 N P o 0 0 QN M o B23 D25 F22 G22 E24 F2 E23 D22 D24 D2 C24 C25 F23 E2 D23 G20 F24 F20 G25 G23 F25 D20 B25 B24 A24 E20 K24 K25 J21 J20 H24 L20 L23 J24 L24 J23 24 H23 23 23 G21 L22 H22 20 H20 L21 H21 21 BLOCK 005 ee SHEET LGE Internal Use Only Serial Flash for SPI boot NON OS 3 5V_ST OPT R5501 10K R5502 0 FLASH_WP e SPI_CS SPI_SDO 3 5V_ST A OPT R5503 4 7K SFLASH_NON_OS_W EO 50 W25064FVSSI DO IO1 WP 102 SFLASH_NON_OS_MX LES S04 MX25L6406EM2 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION Copyright 2013 LG Electronics Inc All rights reserved Only for training and service p
43. 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 when ever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper patt
44. K o LN ESD_HDMI 0801 10K w L dmn R835 100 DDC DATA ESD HDMI R803 ll 5 R832 100 E 1 8K ap TVA802 s POR CUR A VA807 VA808 Jl og ESD_HDMI 8833 4000 E E e z P ES BEC SCI 2 ESD_HDMI ESD_HDMI VA801 S ue Zo x ESD_HDMI VA804 CE_REMOTE S ESD HDMI D HDMI_CEC T gt o ds R805 0 Me E 2 D828 HDMI_ARC z HDMI1_ARC Dope CK_GND e RCLAMPOS24PA ae iD CK 2 9 ES CK _HDMI4 N gt CK _HDMI4 2 D826 DO 4 m o RCLAMP0524PA i 4 7 o gt DO _HDMI4 n 1 jo CK _HDMI2 DO_GND 4 L n CK 5 d En m e gt DO _HDMI4 gt Ti DO 3 8 ane ESD_HDMI_SEMTECH I j ge 7 a E D1 DO_GND i E D0 HDMI2 on py D0 HDMI2 i Enos 1 RCLAMP0524PA DO ESD HDMI SEMTECH e 1 gt D1 HDMI4 Dit gt p1 _HDMI4 pa 3 8 D827 D2 1 7 e D1 GND RCLAMP0524PA 1 A gt D2 _HDMI4 i 1 LO CO D1 HDMI2 D2 GND gt D2 _HDMI4 D1 5 A O D1 _HDMI2 Bos ESD HDMI SEMTECH D2 3 8 4 7 O D2 HDMI2 gt OPT A D2 E EMTE 7 D811 I ESD HDMI SEMTECH E e i DET D801 R810 Boe i JK801 c 0 pe GX R812 e 10K C801 e N gt 6 la 0 047uF OPT 00 7 Ta i Ain a 25V E 3 E e gt MHL CD SENSE ep emp emp D D D D D D D D D D D D D D D D D D D D D D GP D D D GaP mm R831 300K D826 1 D827 1 r am emm AD
45. MHL Signal R214 R215 77777 gt Replace the defective IC or re download EDID data Check JK803 gt Replace Jack yor CheckCD_Sense Cbus Vbus Fr Replace R810 R802 R831 R830 1C802 D800 ok N Check other set ee gt ans Replace Main Board If no problem check signal line Check MHL Signal N Check Mstar LVDS Output fee n Replace Mstar IC101 or Main Board 7 All Source Audio Checkthe TV Speaker Menu f i E Menu gt Audio gt TV Speaker eee Check AMP IC IC3401 Power 24V 3 3V No Check Mstar a a gt Replace M star IC 101 or Main Board No PEPERIT Check signal line Or replace Mstar IC 1 01 1 NO S SERA RER RAOK RZ Raas Rana aR ds nadal Check signal line Or replace Mstar IC 1 01 ok Check Output Signal P3401 No a cin RR Replace Audio AMP IC IC3401 ok Replace connector if found to be damaged Replace speaker Copyright 2013 LG Electronics Inc All rights reserved 16 LGE Internal Use Only Only for training and service purposes Saan Replace Am p IC IC501 8 Digital Analog TV Audio Check RF Cable amp Signal No Sia edd Power l Replace L3703 Check Tuner 1 8V Power No IC3703 2 pin 1 8V N Replace IC3703 No E Bad Tuner Replace Tuner Follow procedure 7 All source audio trouble shooting guide 9 AV Audio Replace Jack Follow procedure 7 All source audio trouble shooting guide 10 Component Aud
46. N1 4 R5307 RS232 PHONE A 16V 1000pF 1K C5305 50V Quum DIN2 ROUT2 EAN41348201 HEAD_PHONE HP_ROUT Il OPT CE HEAD PHONE 10uF 05310 R5308 16V 1000pF 1K 50V t3 3V Normal R5306 10K HEAD PHONE R5305 1K HP DET lt HEAD PHONE IHE 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 manda wen a mu ee ns d uc max YT LG ELECTRONICS BLOLK SHEET Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MODEL DATE DDR 1600 2G SS DDR 1600 2G NANYA IC1201 1 IC1201 2 K4B2G1646E BCKO NT5CB128M16FP DI EAN61848802 EAN61859702 TH Fi ti poe AVDD_DDRO A R1201 1K 1 R1202 e 1 0 1uF m gt ta en o 8 o A L Close to DDR3 P T DDR 1600 1G HYNIX DDR 1600 1G SS 1C1201 3 IC1201 4 H5TO1G63EFR PBC K4B1G1646G BCKO EAN61829003 EAN61836301 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC rj WHEN SERVICING IF 15 Copyright O 2013 LG Electronics Inc All rights reserved Only for training and service purposes
47. TOP key after completing the function inspection 5 2 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 SVC main Assembly EDID have to be downloaded to Insert Process in advance 5 3 EDID DATA 1 All Data HEXA Value 2 Changeable Data Serial No Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum Copyright O 2013 LG Electronics Inc All rights reserved Only for training and service purposes 11 Auto Download m After enter Service Mode by pushing ADJ key m Enter EDID D L mode m Enter START by pushing OK key EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option5 5 Tool Option Commercial EDID D L HDMI1 NG HDMI2 NG Reset EDID D L HDMI1 OK HDMI2 OK 6 Country Group 7 Area Option 8 ADC Calibration 9 White Balance 10 10 Point WB 11 Test Pattern Reset 13 Sub B C 14 Ext Input Adjust Caution Use the proper signal cable for EDID Download Analog EDID Pin3 exists Digital EDID Pin3 exists Edid data and Model option download RS232 No em 90011000210000 E nter download Download A A When transfer the Mode In Mode Mode In Carry the command EDID data and Model option ADC Adjust A E je as an The u
48. USED FOR s THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE scHEMETIC LG Electronics MODEL sea 57558 DATE 16 ELECTRONICS BLOCK mw m s SHEET 8 Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes DOE LLLE SPDIF OPTIC JACK 5 15 Mstar Circuit Application A 3 3V_Normal SPDIF JACK FOXCONN JK1001 2F01TC1 CLM97 4F SPDIF JACK SOLTEAM JK1001 1 JST1223 001 Y nj He o 0 K o o e pe Q VINPUT SPDIF OUT ms Fiber Optic SHIELD FIX_POLE THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET a rere re Fe LG ELECTRONICS EE MODEL DATE Copyright O 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LVDS NON EU Eg DA NS CC ef S A L9 T LVDS Connector For FHD 60Hz EHD P1100 FI RES1S HF J R1500 LVDS SEL t3 3V Normal A OPT R1100 3 3K RXA4 RXA4 RXA3 RXA3 RXACK RXACK LO oo n Ln D w N e LO md Ln D w N RXA2 RXA2 N H RXA1 N w RXA1 RXAO N an RXAO 26 N RXB4 N Ke RXBA w e RXB3 w L
49. Use Only Only for training and service purposes USB SIDE 5V_USB LG e SIDE USB1 DM e SIDE USB1 DP A D700 RCLAMP0502BA OPT 3AU04S 305 ZC THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET Tu Cru Pape 6 ELECTRONICS BLOLK vss GHEET DATE Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes HDMI REAR 1 SIDE 1 MHL i A 9V HDMI 4 A 5V DET HDMI 4 A 5V HDMI 2 A 5V DET HDMI 2 GND BODY SHIELD R807 10K R830 100 REC e HPD4 8826 i 5V uk R834 100 R817 9 e 9 TVA806 e O DDC SDA 4 i m END 1 8
50. XA3 RXACK RXACK RXA2 RXA2 RXA1 RXA1 RXAO RXAO RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXA4 RXA4 RXBO RXBO RXB1 RXB1 RXB2 RXB2 RXBCK RXBCK RXB3 RXB3 RXB4 RXB4 Pol change RXA4 RXA4 RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXB4 RXB4 RXB3 RXB3 RXBCK RXBCK RXB2 RXB2 RXB1 RXB1 RXBO RXBO RXA4 RXA4 RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXB4 RXB4 RXBO RXBO RXB1 RXB1 RXB2 RXB2 RXBCK RXBCK RXB3 RXB3 LG ELECTRONICS re A em o cm o mo AA A AA A AA A A A AA A AA A AA A AA A AA A A AO AA Gn A a 1 P ap D AO A ll A A A A A AO A AO A AO A A A AO A A A A A A A D A P A A A A AO A A lt O o Gn Ga 30Pin LVDS Connector For HD 60Hz_Normal HD P1101 FF10001 30 LO Oo a w N t e LO oo Oo Ln D w N H RXA0 RXAO e RXA1 RXA1 RXA2 RXA2 e RXACK RXACK LVDS_SEL RXA3 3 3V_Normal RXA3 e OPT R1103 3V3K e OPT e R1104 10K e e e PANEL A VCC HD 3 L1101
51. a RXB3 w N RXBCK w w RXBCK w A w an RXB2 RXB2 w RXB1 w LO RXB1 RXBO Bs La RXBO D D D D D md a D VS N Bs ds se OPT R1101 10K PANEL_VCC A FHD 3 L1100 120 CIS21J121 Bs Ke LH e a n FHD e e ap aD A D D D D D D D D D D D D D D D D D D D D D D D J THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Copyright O 2013 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics FOR FHD REVERSE 10bit Change in S7LR RXA4 RXA4 RXA3 RXA3 RXACK RXACK RXA2 RXA2 RXA1 RXA1 RXAO RXAO Pol change RXAO RXAO RXA1 RXA1 RXA2 RXA2 RXACK RXACK RXA3 RXA3 RXA4 RXA4 RXB4 RXB4 RXB3 RXB3 RXBCK RXBCK RXB2 RXB2 RXB1 RXB1 RXBO RXBO FOR FHD REVERSE 8bit gt Change an SILR RXA4 RXA4 RXA3 R
52. ckaged 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 appropri ate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold
53. ction PCBA USB Port USB to Serial Adapter UC 232A RS 232C cable PC RS 232C port e Product name of USB to Serial Adapter is UC 232A PCBA y pi RS 232C cable Personal Computer R7 PCBA USB Port USB to Serial Adapter UC 232A RS 232C Cable PC RS 232C Port Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 4 ADC Process 4 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing gt key at 8 ADC Calibration EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option5 ADC Calibration ADC Comp 480i NG ADC Comp 1080p NG ADC Type OPT Reset 5 Tool Option Commercial 6 Country Group 7 Area Option 9 White Balance 10 10 Point WB 11 Test Pattern 12 EDID D L 13 Sub B C 14 Ext Input Adjust Caution Using P ONLY key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 Enter Adjust A A When transfer the Mode In Adjust MODE Mode In Carry the command Automatically adjustment HEISE alo pje The use of a internal pattern Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control ADC adjust 4
54. d 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 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
55. dels 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 about5 minutes prior to the adjustment 4 Model General Specification 1 Market Asia Oceania Africa Middle East PAL DVB Market 1 2 PAL SECAM B G D K 2 PAL I 3 NTSC M 4 DVB T Channel Storage JATV 195A DTV 1000EA A gt DVB T Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 Video Composite Input PAL SECAM NTSC 4 System PAL SECAM NTSC PAL60 6 Component Input Y Cb Cr Y Pb Pr M S S 2 Pe e HDMI1 DTV DVI SPDIF out SPDIF out 9 USB Input For My Media Movie Photo Musio List and 606 T Headphone ON Broadcasting system Analog Upper Heterodyne aaa SUIS Digital COFDM DVB T Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 5 Component Video Input Y CB PB CR PR 5 mos s25 S950 MDIVS 00 s umm aos s 7 00 s umm eo 10000 MDIVIMp 0000 anean ders amp orvrosos 6 HDMI Input Refer to adjust specification about EDID data 6 1 DTV mode Varea KZ e 920080 26425 9600 7425 HDTV 10801 Fa 9 90 33718875 zosrerooo 7425 nanang 9 im o sio so 165 HDIVWRR 6 2 PC
56. ern 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 5 LGE Internal Use Only SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 1 Application range 3 Test method This specification is applied to the LED TV used LB36B 1 Performance LGE TV test method followed chassis 2 Demanded other specification Safety CE IEC specification EMC CE IEC 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz Standard Voltage of each products is marked by mo
57. fig LED RYBUZZ gt NAND FLASH MEMORY 3 3V Normal
58. io Z Replace Jack Follow procedure 7 All source audio trouble shooting guide Copyright O 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes BLOCK DIAGRAM u ERRC MI8XY VEXY 08XY HEMOVXH 0VXY 0VXU LOLA ani 009d ZZNAIA 037 Z LA3M diu Ep VdSs 19S div wos anv yoy anv _ HIST anv 119 ualsvW anv 11992 INVIAS CHAA L7 olnoaw a 770 10aw a L olnoaw v Z 0 70 aw v LOZ LOI 1491 HSV 14 GNVN D 0 lv NOA ZOLOI 1997 OYd33 uaj3s s vOLol Vas 19S 201 Hane useljlellas SOIOGSIASIMIS 105 00 LII 19 020 1950 vas 19S NL diS NL SGAD NL YVLSW Nid Al NI SAD AV A ZdWOO 130 SSAO AV tQdirid ZdWOO NI 1 4 ZdWOO NI SAAD ZAW NI VA ZAV Z vas 19s oaa ZINGH za LGO 00 4M2 ZGdH LNOW LNOT dH SNAD VGdH INIT SNIA 20821 p 91d90 y INAH AS THIN ASQGAV y vas 19s oaa 3SN3S dO IHN INAH ZG LGO 0d 49 da a 960 aais asn AG LGE Internal Use Only e Copyright O 2013 LG Electronics Inc All rights reserved Only for training and service purposes u Non ERRC LOLEA La 009d v3az X 1991 INVIAS exaa COZLOI LOCLOI 1991 HSV14 QNVN ZOLOI quos OyYd33 wuajs s vOLOI ang use 4 jeues 00C LO L olnoaw 9 L 0InodW
59. ise gt PD_ 24V_PWR_DET_DIODES L408 L404 3 5V_ST PDIM L J q TER e AY PWM DIM i E ep ap aD aD D D D mmo mmo P D D P D D D P D D D P D D D D D D D D D m i ij seis 0 1uF CIC21J501NE e 9 R408 509 PRIMI 16 1407 PWM2 2CH POWER T aia 10407 TEAM Ee e AEN e s 3 1 5V_DDR Sada orsus Moo GOO POO DNS GND AP7173 SPG 13 HF DIODES A i sos iugo TN L420 EP N C 12V q e A e BLM18PG121SN1D C404 a 0 1UF MLB 201209 0120P N2 Zu OUR ep ep aD A A D D A D D D D P D D D D D D D D D D A oP N 16v e 1 8 e e d I 1 17 3 3vV Normal PG NCC FB e 2 S 7 n e Ks o wl 3 5V ST vcc SS e 3 1 5 6 C472 C476 A PRT eve 808 Oe e 3 3V_Normal A 22uF 0 1uF Q403 uM A R433 Lov 16V BLM18PG121SN1D 10K EN GND n a e e MO Ld 1 0 C425 0237 10V R434 R438 en 0 1uF 22uF es 2 2uF 16v TOV 22K 10V i R445 ep ap aD D D D D D D D D D D D D D D D D D D D D D D D D D D D D D P 2 2K Vout 0 5 8 1 R1 R2 eur 5319 FET 2 5V DIODE J DMP2130L
60. ity V4 1 0 l 0 4 oe pj Restore HOCP i Use USB E2PROM Device Setting 26 Pin Definition G a Communication Setting Speed 74 aif 2 SDA in SCL in Ia C SDAout SCL out LE re is T Roughly Speed 450 KHz Baseaddr fusBc i PIN PINIO 7 Tt se SPI Setting Reverse High USE SPI JIG IA pin 1 switch UART I2c lt Apply Pull all Pin High Lobeli ft j USB 450KHz Elapsed Time Jac 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 Device Sauce File DORE Y ReConnect IV Blank Flash 0 C Flash 1 Flash 2 C Flash 3 1 M Read File Checksum Restore Data I M Multi Flashes HDCP Key IV Program iv Verify IV Erase Device iv Exit ISP All Chip I C File Area C Erase Area First 512 KBytes C Partial Erase Setur USB 390KHz USB DOWNLOAD epk file download 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If version of update file in USB Stick is lower it will not work But version of update file is higher USB data will be detected automatically E TV Software Upgrade Current Ver Ver
61. lable discharg ing wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test Copyright 2013 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 sol der 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 elec trically 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 mate rial to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or cir cuit and observe all other safety precautions 8 Minimize bodily motions when handling unpa
62. n the calibrated ch by CS 1000 m Operate the zero calibration of the CA100 or CA 210 then stick sensor to the module when adjusting m After enter Service Mode by pushing ADJ key m Enter White Balance by pushing DX key at 9 White Balance EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option5 5 Tool Option Commercial Whit Balance Color Temp R Gain 172 G Gain 192 B Gain 192 R Cut G Cut B Cut Test Pattern Backlight Reset 6 Country Group 7 Area Option 8 ADC Calibration 10 10 Point WB 11 Test Pattern 12 EDID D L 13 Sub B C 14 Ext Input Adjust For manual adjustment it is also possible by the following sequence 1 Set TV in Adj mode using P ONLY key on remote controller and then operate heat run longer than 15 minutes If not executed this step the condition for W B may be different 2 Push Exit key 3 Enter White Balance mode by pushing the ADJ key and select 9 White Balance When KEY gt is pressed 206 Gray internal pattern will be displayed 4 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10cm of the surface 5 Select each items Red Green Blue Gain using A Y CH key on Remote control 6 Adjust R G B Gain using lt gt VOL key on R C LGE Internal Use Only 7 Adjust three modes all Cool Medium Warm For All model w o LS
63. ngth 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 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 avai
64. nt e I2C SDA vss SDA vss SDA GND SDA T25 Rx pcc ccc Between TW MODEL_OPT_3 C104 C106 U23 j MODEL OPT 8pF SPF T24 S OPT OPT MODEL_OPT_5 aks EAN62389501 EAN43349003 EAN43349004 123 IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION e eee SECRET LG ELECTRONICS ODEL THE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC LG Electronics ULK HEET Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MODEL OPTION Memory OPTION
65. or 6 seconds Step 6 Confirm that ok pop up If change is not seen replace Eye Q sensor Sensor Data gt Backlight 26 b LGE Internal Use Only TROUBLESHOOTING 1 Power up boot check Check stand by Voltage No ok Main B D 3 5V Line ok DEPORTE DEN gt h P401 3 5pin 43 5V ST Check 18pin Power connector Shon Check Replace Power board ok crest ty yooo ne L404 L408 3 5V gt Replace L404 L408 ok Check X201 clock NO x Replace X201 24 MHz ok N No Check P401 PWR ON 9 Re download software Replace Mstar 1C101 or Main board 1pin 3 3V ok Check Multi Voltage No P401 9 10pin 24V AA gt Replace Power Board 113 14 15pin 12V ok Check 1IC402 3 7 Output Voltage 10402 2 5V No 10403 115Y v7 gt Replace 10402 10403 10407 Q403 IC407 1 5V Q403 3 3V Ok Check LVDS Power Voltage NO Q409 12V Replace Q409 ok No ii gt Replace Mstar IC 101 or Main Board Check DRV ON Control 3 gt Check Power Board P403 2 pin High Change Module Copyright 2013 LG Electronics Inc All rights reserved 19 LGE Internal Use Only Only for training and service purposes 2 Digital Analog TV Video Check RF Cable amp Signal ok Check Tuner 3 3V Power No 3703 na Replace L3703 ok Check Tuner 1 8V Power No 63703 2 pin 1 8V IO Replace IC 3703 ok CheckIF PINSI No MEAE Ed r Bad Tuner Replace Tuner ok NO Check Mstar
66. ree leads remain ing 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 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 2013 LG Electronics
67. rn will come out Full White Pattern 22 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 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes A Auto adjustment Map RS 232C RS 232C COMMAND E e DATA T White Balance Start White Balance End ES pU CURED CENTER CMD ID DATA MIN DEFAULT MAX Gor mia Warm Goo mia Warm Rean jo a fia 00 172 1192 1192 1192 je 100 wa 1192 1192 T192 8 Gain ii Tue i o0 192 192 wa 1192 Ru 10 10 os ON eo je fea 10 128 sca je ea 10 110 Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are all CO it is the FULL Dynamic Range of Module Manual W B process using adjust Remote control m Color analyzer CA100 CA210 should be used i
68. se of a internal pattern dovvnload Item Condition Hex Data Manufacturer ID 1E6D Revision Digital 3 1 HD HDMI EDID DATA jo 1if2 3 4 5 6 7 8s jola B CjD E F Lo jo t t e jet loojtre jepi a bo 10 c lotjos 80 Ad 5A 78 0A EE 91 A3 54 4C 99 26 20 OF 50 54 AT 08 00 31 40 45 40 61 40 71 40 O1 01 30 04 01 01 Of 01 O1 66 21 50 BO 51 OO 1B 30 40 70 40 36 00 40 84 63 O0 00 1E 64 19 OO 40 40 OO 26 30 50 18 88 03 O6 40 84 63 oo 00 18 OO 00 00 FD 00 3A 60 3E 1E 53 10 00 0A 20 20 20 20 20 20 JJ 70 tf e 80 02 03 22 F1 4E 10 1F 04 93 05 14 03 O2 12 20 21 90 22 15 01 26 15 07 50 09 57 O7 f JI A0 80 1E 01 1D 80 18 71 1C 16 20 58 2C 25 00 AO 5A BO 00 00 00 9E O1 10 00 72 51 DO 1E 20 GE 28 55 00 Ratt SAR ES 00 18 02 3A 80 18 71 38 2D 40 EO 58 2c 45 00 AO 5A 00 00 00 1E OO 00 OO OO OO 00 Fo 00 00 00 00 00 00 00 oo 00 oo 00 OO 00 OO oo e 2 Detail EDID Options are below a Product ID Model Name EDID Table DDC Function HD FHD Model 0001 01 00 Analog Digital b Serial No Controlled on production line c Month Year Controlled on production
69. urposes 12G FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics SI SIOO GND 3 5V_ST NBOND 0 1uF A c5501 i lt SPI_SCK R5504 33 SPI SDI SFLASH OS WINBOND SFLASH OS MACRONIX TC BRU L LO5501b 35 W25080BVSS G MX25L8006EM21 12G SI SIOO LG ELECTRONICS MODEL von DATE BLOCK ee SHEET gt LGE Internal Use Only LG Life s Good
70. vice 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 precau tions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board module or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 96 99 96 stre

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