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LED TV SERVICE MANUAL

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1. mn nnn i e emm EL OPT 4 1 m m e mmm emm emm emm emm emm e e e e es es i emm es 2 5V Normal t3 3V Normal 2 5V Normal
2. A A Boot from SPI CSIN EXT FLASH 1 Db0 S7LR M NON Main esi NC 29 Boot from SPI CSON INT FLASH d T TI i NAND_FLASH_1G_HYNIX TETOT 62 EAN35669103 NC_28 MSD804KKX es NC 27 OS PCM A 077 CHIP Config uw mp I2S OUT BCK I2S OUT MCK PAD PNMIPAD PWMO BEMSD LOT OS DS B51 no EJ 4 b0000 Boot from 8051 with SPI flash PCM DILO 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 Ce 1706 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 f
3. i A 9V HDMI 4 A 5V DET HDMI 4 A BV HDMI 2 A 5V DET HDMI 2 GND Se BODY SHIELD e i I 10K E R830 100 HP EE e HPD4 R826 i SV als R834 100 Sol e D e Te TVA806 e DDC_SDA_4 SS Q801 10K GND e d ASM RER E DDC SCL 4 MMBT3904 NXP e HPD2 TVA805 mcus Oes gt Sh e E DDC DATA ESD HDMI e R803 A 5 R832 100 E 1 8K Ou TVA802 2 POR CUR A VA807 VA808 oa ESD HDMI R833 100 e 2VA801 D e SS DEE SEL NG ESD_HDMI ESD_HDMI rer zi alos gd ESD HDMI1 VARIS OR VA804 CE REMOTE E l ESD HDMI D HDMI_CEC xz 03 c ESD HDMI T E N R805 0 E 2 D828 HDMI1 ARC SA CK GND e RCLAMPOS24PA E HDMI CE o CEC i CK 2 d ES CK _HDMI4 N o S 7 d CK _HDMIA4 M DO D826 o RCLAMP0524PA i 7 2 j 10 CK HDMI2 DO GND 1 d gt DO 80074 n CK 5 d Ema En m e gt DO _HDMI4 TD to DO 3 8 d ESD HDMI SEMTECH I ra e E pis i e D829 DO GND 5 6 DO HDMI2 RCLAMPOS24PA gt D1_GND e 1 10 Ld ESD_HDMI_SEMTECH gt d 7 DI
4. AVDD_DDRO x AVDD_DDRO AVDD_DDRO AVDD_DDRO A l A caj P D Ze 1 5V_DDR AVDD_DDRO Orge B s Awe N NA asa a aS a a 11202 Xx SE N t WM x CIC21J501NE E T Es e e a A MVREFDO e DO A MVREFCA B MVREFCA lt E e B MVREEDO E Fa 9 si d m si oe 3 EH Di 3 oe E ir SH oo oo o oo e i RES o Sl etl oud o nas a lZ zl oO N ale alm a al al Ol 8 2 o o N ei uff up lu 3 N o o a E x SA N a a 9 ee ee F 5 5 D Nee N 5 ume gas S o gt e p es C o x ON ATE ST d ars O O O O T o N BTM o o O Oe f pa npe me pes Es oleo N N AME E TE l CLose to DDR3 CLose to Saturn7M IC CLose to Saturn 7M IC Close to DDR3 e XX KS KS ve e DDR 1600 1G SS d S SEMI NON MES IO K4B1G1646G BCKO ICl01 MSD804KKX EAN61836301 M8 A MVREFCA VREFCA AO CD A MAO zu SYMBOL B B33 Al CD A MA1 A MAO ST A DDR3 A 0 0 Se B MAO A2 gt A MA2 A MA1 i A_DDR3_A 1 1 EP B MA1 H E 5 A MVREFDQ VREFDQ A3 gt A MA3 A MA2 Fiz PPR3 At2 2 SE B MA2 A4 CD A MA4 A MA3 m A DDR3 A 3 3 um B MA3 R1203 0 A5 gt A MA5 A MA4 rz 2083 4 4 4 HON B MA4 A6 CD A MA6 A MA5 Ep A DDR3 A 5 5 Ss B MA5 2 240 A7 CD A MA7 A MA6 A_DDR3_A 6 6 B MA6 AVDD_DDRO 1 D11 D22 A
5. 3 3V Normal A 3 5V_ST e bd 1 3 3 5V ST ane R419 RALL R415 K 100 R426 R461 R406 10K LOK OPT 4 7K e T C R421 10K INV CTL R401 C B RL ON 10K Se Q401 MMBT3904 NXP E 0405 a MMBT NXP R462 10K E P401 SMAW200 H18S1 sid SEN R412 3 9K pr gt PWM DIM PULL DOWN CIC21J501NE DRV ON For 55LN54 Power ON oise L408 L404 PDT T345V sl 4 PEN e AY PWM DIM C406 0 1uF CIC21J501NE PpIM 29 RAS LO PRIMI d ji 16V END L407 PWM2 2CH POWER 24V q e AR e 24V 237 0 1uF MLB 201209 0120P N2 GND 12V 20V L402 12V q e AR N C C404 0 1uF GND H i MLB 201209 0120P N2 16V mm A me g as A a a emm D emm D D D D emm D D D D D emm D D D D D emm D D D D emm D D D D ow 5V Normal amp 5V_Normal Vout 0 8 1 R1 R2 S wie emm emm mm emm D emm D emm D emm D D emm D D P D D D D D D D emm D D D D D D D D oD THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS
6. OPT R3405 0 SPK ee POWER DET SPK L gt eo SPK R es SPK R en 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 SECRET MODEL DATE ESSENTIAL THAT Ont MAIOFATORES Secr rs BE use sor Fe 1 BLG ELECTRONICS BLOCK 4ue_srassoswer GHEET Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MSTART DEBUG 4PIN MSTAR_DEBUG_4P P3900 12505WS 04A00 JP GND1 JP GND2 JP GND3 JP GND4 LLT 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 AN SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes LG ELECTRONICS DATE my BLOCK ras 00006 SHEET LGE Internal Use Only PM dat RS232C_DEBUG_4P P4000 12507WS 04L R4001 100 PM TXD Ki R4000 100 PM RXD X IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL
7. RXBCK RXBCK RXB3 RXB3 LG ELECTRONICS re em o cm o mo BD BD BD GB CBD GB GD GB BD GB GD GB BD GD GD GB BD GD GD GD GB GD BD a 1 P am GRP GP GB GP GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB GB B SOOP Lm LVDS Connector For HD Ge Normal HD P1101 FF10001 30 LO oo On ui BH LA N t e LO oo Oo ui LA N H RXA0 RXAO e RXA1 RXA1 RXA2 RXA2 e RXACK RXACK LVDS_SEL RXA3 t3 3V Normal RXA3 e OPT R1103 3V3K e OPT e R1104 10K e e Se e PANEL A VCC HD 3 L1101 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 BD BD GB BD BD BD GB BD GD BD GB GB GD GB GD GB GD GB GD GB GD GB GD a es MODEL Jvc DATE BLOCK rvrsvon SHEET LGE Internal Use Only IH FILRE AND ELECTRICAL SHOCK HAZARDS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC
8. 1991 INVYUOS caad UEL 31952 WNYHUOS caad LOZLOl 31952 HSV 14 QNVN c0L2I 3199 Z NOYd33 Waj shks VOLOI aw Use J eos 00 L2I 009d MI Y 037 Z LA3M vas 19s div E MIS ANV HINT anv HOUT anv N19 BALSVW ANV Loveol MGOSEVIS L0L91 XxMMr08GSIN LINI JOS UIEN L7 o lnoaw a 2 0170aw a L7 o lnoaw v 2 0110an y Izolv Od vas 19s gel SHIOGSHASIMIS IS NI NT ZdNOD 1d 4d 00102 NI SAAI AV A ZdWOO 0090900 TI 000 CAV dvid NI NT ZAY mn NI SAAI EAV D LooLyr ondo diads 939 INAH Z VAS 19S oaa LE 10830 ZINGH Z0 10 00 442 ino 31005 SOA E EE AIS vas 1206 NL iM HH K Q c Q 8lvLva SL 34 00S AF nd ououdpeaH ALNW dH 3aais LNOY 1 dH 200 THIN Na Sh8A IHW ASGGAV 08Mf 1HW ZINGH 3SN3S dO THW 20891 AJ0ZOZ9Q8 DI dot E 939 INAH vy VAS 19S JAA vINGH Z0 LG 00 HYJ Adis 00220 asn 10721 L8ZS9SdL l 420 119 020 tash asn AS dd Nd asn sais LGE Internal Use Only BR 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 ident
9. Standard Repair Process Detail Technical Manual hed B Power error Off when on off whiling viewing e2 1 2012 11 17 LCD TV Symp Revised Content POWER OFF MODE checking method date IN START model Name L13 senal Number SKJY1107 S W Version 02 02 01 01 MICOM Version 1 00 46 SPI Boot Version 1 00 40 BOOT Version 2 00 01 EDID Version HDMI 0 01 Chip Type MI A Demod F W Ver Null D Demod F W Ver Null Access USB Status 1 1 T 1 C Debug Status EVENT UTT 32 APP History Ver 4438 PUL DB 160 RF x2178 xxxx 7 Le ata Power Off Status 4 System 1 9 System 2 6 Model Number D L T Test Option 8 External ADC I Spread Spectrum 10 Sync Level 11 Stable Count 12 0DC Test 13 Access Code Entry method A 0 POWER OFF BY REMOTE KEY 1 POWER OFF T 2 POWER OFF BY ACDET 3 POWER OFF BY REMOTE KEY 4 POWER OFF BY REMOTE KEY 5 POWER OFF BY ACDET 6 POWER OFF BY ACDET 7 POWER OFF BY ACDET 8 POWER OFF BY REMOTE KEY 19 POWER OFF BY REMOTE KEY 10 POWER OFF BY ACDET 11 POWER OFF BY ACDET 12 POWER OFF BY REMOTE KEY 13 POWER OFF BY ACDET 14 POWER OFF BY ACDET 15 Bauer OFF BY REMOTE KEY MOD gjo 3333 mm rn Se sje ms TT dh alen eier Do rn rr OO SE pen HA rn rr 18 POWER OFF_BY_REMOTE KEY 19 POWER OFF BY ACDET 20 POWER OFF BY ACDET 21 POVVER OFF By 22 POVVER OFF BY ACDET 23 POWER OFF BY ACDET I
10. 01 14 Circuit noise mechanical noise Revised date 13 14 symptom Replace PSU with LED driver Identify Check nose type location of OR Replace LED driver Check location of noise X Mechanical noise is a natural phenomenon and apply the 1st level When the nose is severe replace the module For models with fix information upgrade the S W or provide the description X If there is a Tak Tak noise from the cabinet refer to the KMS fix information and then proceed as shown in the solution manual For models without any fix information provide the description description When the customer does not agree apply the process by stage X Describe the basis of the description in Part related to nose in the Owner s Manual Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Error F Exterior defect date _ 01 14 i symptom dl 14 14 gt gt Replace module Zoom part with exterior damage Replace cabinet P gt Replace remote controller Replace stand Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Contents of LCD TV Standard Repair Process Detail Technical Manuali ork Smart C O c D Q h vg O 3
11. 18 Pin Power Board Main Board 55 mem Ta me Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual DY Established symptom A Video error Video error video lag stop 2012 01 14 E TUNER input signal strength checking method feig EE AS ALL MODELS Auto 10100 Manual Tuning ss OK O to set your channel sel Select channel type and RF channel number L apr NHU eH N NIN HF LEM Channel MENU in d dad d s L am SS A Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Detail Technical Manual i i i Established symptom A Video error Video error video lag stop 2012 11 17 LCD TV Version checking method bM A6 ALL MODELS 1 Checking method for remote controller for adjustment IN START wf Ji Adjust Check 2 ADC Data Press OK to Save Pe Status Country Group Cote 03 3 2 J S Country Group BR 6 7 8 stem 2 Model Number D L Country BR Test Option External ADC Tool Option E Tool Option2 y ere Tool Option3 16281 11 Tool Option4 go Tool Options ims 13 Access Code Tool Optionb UTT 32 APP Histor
12. AV2 L IN AV2 ius nu n um 1000pF WH2 C SPRING e AV2 LR ZENER AV2 r 504 AV2 e t3 3V Normal 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 AN SYMBOL MARK OF THE SCHEMETIC Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes D1713 1 AV2 CVBS ZENER KEC D1703 1 COME Pr ZENER KEC D1708 1 COME Pb ZENER KEC D1711 1 COMP Y ZENER KEC k Vig CONTACT Ave e NN DE P AV2 CVBS DET p EI CSPRING T 0 e P AV2 CVBS IN NI S s PEU R1702 ice YL l E LUG AV2_CVBS eu a A I AV2_CVBS_ZENER_KEC A e moe RDZ JELU RD2TE LU6 K ie e e e S d YCOMP2 R IN RD2 C SPRING EDO POSSPRING PESE conn Eno T He 126 e t Al RD2 CONTACT RD2 CONTACT IEN in e e Z uus pra DER iu e t3 3V Normal D WH LC SPRING WH1 C SPRING S e D r RD1 CONTACT RD1 CONTACT mem aue SE z e RE Ee Eege RDITC CSPRTNG e 0 gt COMP2_Pr AA COME Sa IE RD 1 E hUGee CRD ESLUS 5 C
13. If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board mod ule or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 96 99 96 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts
14. Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Established symptom B Power error No power 2012 11 17 2 M Kn E FE 7 r7 PA UA VS NE La PN at Y rra ra T Y e y e F LOIL J CONUO P N gt Standby light ON Power indicator Speakers Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual LCD TV symptom B Power error No power 2012 11 17 2 Content Check power input voltage and ST BY 3 5V E NN A12 Check the DC 20V 24V 12V 3 5V 18 Pin Power Board Main Board 55 3 a Jl mw Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Error P ze Fin LCD TV Spam B Power error No power A 2022 ELE B Revised Content Checking method when power is ON SECH A13 Check power on Pin 1 pin is high about 3 3V 18 Pin Power Board Main Board pow T PWR ON T T DRV ON SV 0 3 14 PDIM1 Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only
15. Ke D O C UN 5 DI e D Error symptom Content Check front display LED A11 Im Check power input Voltage amp ST BY 3 5V A12 gt H UJ B Power error No power Checking method when power is ON IA POWER BOARD voltage measuring method vice error Off when on off while POWER OFF MODE checking method Checking method in menu when there is no audio gt pa Is C Audio error No audio Normal video Voltage and speaker checking method when there is no audio Ale 29 C Audio error Wrecked Voltage and speaker checking method in case 30 pes A16 audio discontinuation of audio error 31 aon dl POEET Remote controller operation checking method A17 remote controller key error N N I I NININININ o Io puja LOO N gt E Ln Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual PN Error E rs LCD TV A Video error No video Normal audio 2012 01 14 B Content Check Back Light On with naked eye T ie Al lt ALL MODELS gt Power On gt disjoint back case gt check lighting at any point Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Error E ich irst LCD TV M Video
16. Short Crack t 1 IS Nes ds si Mas VEA id Abnormal Display m GRADATION GRADATION Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Appendix Exchange PSU LED driver EM 7 He First De it Right rk Smart No Light Dim Light Dim Light Dim Light keet No picture Sound Ok Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Appendix Exchange the Module 1 A Panel Mura Light leakage Panel Mura Light leakage Press damage Crosstalk Press damage Crosstalk Un repairable Cases In this case please exchange the module Press damage Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Appendix Exchange the Module 2 J Be First De it Right rk Smart Vertical Block Vertical Line Vertical Block Source TAB IC Defect Source TAB IC Defect Source TAB IC Defect Horizontal Block Horizontal line Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Un repairable Cases In this case please exchange the module Horizontal Block Gate TAB IC Defect Be First Do it Right Work Smart Copyright O 2012 LG Electronics
17. Video error Vertical Horizontal bar A A A l Check Link Cable LVDS reconnection condition A residual image light spot A Adjustment Test pattern ADJ Key A A Exchange T Con Board 2 A 2 5 l 55 driver board Exchange LED driver Board PSU A 3 5 Other PSU Exchange Module itself 1 Exchange Module itself 2 Appendix Defected Type caused by T Con Inverter Module 1 1 Exchange T Con Board 1 1 5 4 10 11 12 14 15 16 17 18 19 20 gt UT SS LI Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process e Established ECT A Video error 2012 01 14 _ First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cable Gr AA c AT Check Back Light Y Check Power Board Y Replace T con Board On with naked eye 12v 3 5v etc gt dime N N mA Check Power Board 24v output Repair Power Board or parts Replace Inverter or module N Repair Power Board or parts Precaution A6 amp A3 Always check amp record S W Version and White Balance value before replacing the Main Board gt Replace Main Board gt Re enter White Balance value Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service
18. Ze The End Addr Batah File Elapsed Time MEE USB 450KHz 4 Click Connect tab If Can t is displayed Check connection between computer jig and set MStar ISP Utility Y4 1 0 MES Config Connect Dis Con CETT i Use USB E2PROM Device Setting R I2C Pin inifion e in C sa Communication Setting e Speed 74 EI SDAin Port Type use C SDA out C SCL out Ire see L PIN pino Kai A D SPI Setting Reverse High USE SPI 9 pin 1 switch UART I2c Pull all Pin High Label ER met ml I Elapsed Time Iac 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 Source File DOM Ox M ReConnect M Read File I Checksum Restore Data v Multi Flashes HDCP Key IV Program iv Verify lv Erase Device iv Exit ISP All Chip C File Area C Erase Area C Partial Erase First 512 KBytes L Elapsed Time USB 390KHz LGE Internal Use Only USB DOWNLOAD epk file download After downloading have to adjust Tool 1 Put the USB Stick to the USB socket Option aaain 2 Automatically detecting update file in USB Stick m Push m key in service remote controller f your downloaded progr
19. ce LCD TV EE symptom Remote control amp Local switch checking Revised I 11 14 1 Remote control R C operating error Replace Main B D AT e Ai Ca a A17 1 Check R C itself SAL Repair Check IR Norma y o Cable connection peration d Connector solder Check R C Operating Check amp Replace When turn off light Baterry of R C Output signal Signal in room Check B 3 5V On Main B D c AA Check 3 5v on Power B D Repair Replace Replace Power B D or IR B D Replace Main B D Power B D don t have problem If R C operate Explain the customer Norma operating cause is interference from light in room Replace R C Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process e Established Error D Function error rien 2012 01 14 symptom s 7 External device recognition error Revised date EN 12 14 Check technical information Fix information S W Version Check and fix external device cable rnal Input a Component Replace Main B D Fix in accordance with technical information Replace Main B D Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process WW Established Error date 2012
20. i R3748 R3776 SI2176 ATSC 1INPUT H Siu EN o 7 LAPS 2 305 10K 54MHz 350M Lv z E VIN VOUT RI 3 e e 350Hz 450M S E A 7 z VOTRE 4 EN FULL_NIM_BCD GO I 7 5V_Norma e Ce 450Hz 870MHz SA d R3747 2 deg Be C 20K qe AP l0ut X5R E se S 2 1005 25 Zeches a CHANGE TO d R3713 e e J e 10UF 10V X5R 43 3V TU t3 3V Normal 0 NG mms mms mp um A FULL MIN BCD FULL NIM TJ E oia BCD Vo 0 6 1 R1 R2 C3730 1 TJ4220GDP ADJL EP GND p Size change 0929 TJ Vo 0 8 1 R1 R2 Mur 10uF 10V 60mA FULL NIM FULL NIM TJ CAP X7R MP E AI Z R3748 1 R3776 1 VON E 5 1K 0 4 i MN C3723 C3725 C3715 c3723 y 22uF 0 1uF 22uF 0 luF FULL NIM TJ 6 3V 16V 6 3V 16V R3747 1 9 1K SHIELD E LI CHANGE TO CHANGE TO 6 3V 2012 X5R 6 3V 2012 X5R TIT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES I 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 I IHE CRITICAL COMPONENTS IN THE AN SYMBOL MARK OF THE SCHEMETIC Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes SECRET LGElectronics LG ELECTRONICS MODEL ee TORTE BLOLK SHEET LGE Internal Use Only Headphone Option HEAD PHONE HEAD PHONE HP LOUT Il OPT
21. to hide OSD EZ ADJUST 0 Tool Option 1 Tool Option 2 Tool Option3 3 Tool Option4 4 Tool Options 5 Tool Option 6 Country Group 1 ADC Calibration 8 White Balance Q 1f Paint WR 10 Test Pattern 11 EUIU U L 12 Sub B C 13 Ext Input Adjust 14 SPK Lipsync Adjust 15 SPDIF Lipsync Adjust Test Pattern Pattern Control Red Press 0 to hide OSD Test Pattern _ Pattern Control d Blue Press to hide OSD Press 0 to hide OSD You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Appendix Exchange T Con Board 1 He First t it Right fork Smart Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Appendix Exchange T Con Board 2 l He First it Right fork Smart Abnormal Power Section Abnormal Power Section Solder defect
22. 3 3V Norma 1 E EL OPTION 7 4 ne ne PIN NO U23 VDD CC Ta mW g cus MODEL O A i VDDC 2026mA A e x 128M 0 e MX M gt D n dou co o 3 5 ri i us N Z gt gt Ea E zi vi D 4 N Si o 9 a o o 5 5 N ST A SO S Sa S S 128M 128M a aL Se d S E gt 7 b E ao H H to o E SERGE S 5 E z sje L o 0 N N N N N o O jo NX E 2 e p p 8 Y 256M gie e N N S OPT IF AGC SEIK R201 E e MODEL OPT 0 e R202 BOOSTER OPT glo 256M 128M LNA2 CTIK e MODEL OPT 1 NON DVB S R203 RF_SW_OPT 0 DVB_ Ss RF SWITCH CTIK AAA e MODEL OPT 2 BONA TAN MODEL OPT 3 U1 NO DDR o wm em emm em enn ennn nnn nnn nnn m R225 7 MODEL_OPT_4 R228 d MODEL OPT 5 NON DUALSTRI I IC101 R230 MODEL OPT 6 nn um mus cmm mum mm cmm c mb mu mmi GE nn ise R229 1 MSD804KKX SYM E e MODEL OPT 7 Dual Stream is only Korea 3D spec 1 10V_VDDC bad R213 100 s s ms emm ms om s om i emm ms e RAN e S E MODEL OPT 8 P GE gf Aa A S7LR M NON MS10 En ose o DTV IF x X x D po Ea d ej om R288 100 0257 pp 0 1uF Normal Power 342V j K12 610 9 C E d id N A o t e IF P MSTAR AVDDLV USB GND 32 ali 5 a o gt a i m A MODEL OPT 6 HALF_NIM EU_NON_T2 HALF_NIM EU_NON_T2 3 3V Normal VDD33 END S Z A I gt T ECH C287 HALF NIM IF FILTER A G9 T G12 G S H o z D A s C288 A DC 1 GND_34 A O E A uu z S MODEL OPT 4 OPT 33pF
23. 73 ci xs AC12 1211 AVDD2P5 172mA M7 cbe SES eun osa es D2 HDM CH age ask USBI DM 1775 SIDE USB1 DM BLM18PG121SN1D _DVI_USB_ ak 5 DDC_SDA_4 DDCDC_DA GP1031 USB1_DP SIDE_USB1_DP er DD3P3 MPLL GND 75 S 208 AVDD DMPLL q DDBDMERL ND DDC_SCL_4 ca ne DDCDC CK GPIO30 m ese 0 u HPD4 lt HOTPLUGC GPIO24 ES erde sig d 10V EDS ti PO R GND LT 1 e I2S8 IN BCK GPIO148 Su DY AMP SCL 1 ST Jesc Hn DD_NODIE eno Ea CK _HDMI2 see RXBCKP 128 IN SD GPIO149 Foo AMP SDA CHANGE TO a LI L v7 GND_79 5 AVDD_AU33 CK _HDM CH c3 RXBCKN I28 IN WS GPIO147 Kl cowP2 DET 10UF 107 X5R o Ws DD AU33 CND 80 S DO _HDMI2 RXBOP ZE AVDD2P5 MOD DD EAR33 GND_81 8 D0 HDM 20 gt oz RXBO 128 OUT BCK GP10154 V AUD SCK AVDD25 PGA 13mA pr END 82 Pos VDD33 Dl HDMI2 ci RXBLF I2S_OUT_MCK GPI0152 Se AUD_MASTER_CLK A P IDGIOQSNID e Tg DP 1 GND 83 E D1 HDM 2 a5 RXBIN 128 OUT SD GPIO155 gt AUD LRCH AT e DE GND_84 D24 HDMI2 43 RXB2P pn GND 85 5 D2 HDM 2 oc E 28 IJE See C269 1 e nib DD_LPLL_1 GND_86 A LU DDC SDA 2 ue PDCDB_DA GP1029 T liv 50 DD LPLL 2 GND_87 5 u DDC_SCL_2 cd ps DDCDB_CK GP1028 I28 OUT WS GPIO153 gt AUD_LRCK ee ea UE T GND 88 S A x E x VDD33 HPD2 lt Sex HOTPLUGB GPIO23 DP NAND GND_89 7 CEC REMOTE 7 CEC GPIOS i mm zm GND_90 5 a GND_91 uu LA V Zeg A nn en ek
24. BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 4 General Specification cm Receiving System 1 SBTVD NTSC PAL M PAL N A Available Channel T VHF 02 13 2 UHF 14 69 CATV 01 135 3 Input Voltage 1 AC 100 240V 50 60Hz O Central and South AMERICA 47 inch Wide East x 1080 47LN5400 SB SA 47LA6150 SC 50LN5400 SBISA 55LN5400 SBISA 50 inch VVide 1080 50 inch Wide 50 inch Wide 1920 x 1080 x 1080 a dun Ratio 169 e 9 Screen Size 32 inch Wide 1366 x 768 32LN540B SB SA 32LA615B SC 32 inch Wide 1920 x 1080 32LN5400 SH SA 89 inch Wide 1920 x 1080 39LN5400 SBISA 42 inch VVide x 1080 42LN5400 SB SA 42LA6150 SC Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Operating Environment 1 Temp 0 40 deg 2 Humidity 80 96 10 Storage Environment 1 Temp 20 60 deg 2 Humidity 85 96 55LN5400 SB SA 32LA615B SC Copyright 2013 LG Electronics Inc All rights reserved f LGE Internal Use Only Only for training and service purposes 5 External Input Support Format 5 1 Component input Y CB PB CR PR 2 mm 1m 89 nas soman 4 7040 ss 60 om sn e max azo soo om sove re wee sm 6 745 mmm e wem as S9 ame HIR Copyright 2013 LG Electronics Inc All rights reserved B LGE Internal
25. DIODES L420 EP E BLM18PG121SN1D IN OUT e 1 8 e e 4 S PG EB 2 Bim 7 m E VCC 5 SS e C476 D403 3 3V_ Normal 1 5A See 0 lurF A 5y R433 16V OPT 10K EN GND 4 5 C461 aL e e l0uF 10V Vout 0 8 1 R1 R2 1 5319 dex DVN OO maL IC402 2 5V_Normal t3 3V Normal A TJ11185 2 5 A OUT 3 2 e al C440 D402 C403 CAP 10uF X5R ios 0 1uF A sv V 850 SH QET E CHANGE TO m 10UF 10V X5R C403 1 10uF 10V CAP 10uF X7R T C an LG ELECTRONICS PB SV ST 22759 SER SGM 24V 3 78V gt 3 92V 3 79V P Ower DET 12V 3 58V gt 3 82V 3 68V R402 1 100 AAA t3 5V SOC RESET 12V 3 5V_ST A A 3 5V_ST A RA88 N pd N 100K PD 412V PD 43 5V R463 SRESET IC SOC RESET R448 d TUE 2 7K 1 5 RESET_IC_ SOC_RESET E E R402 POWER DET B RESET 300 e e e e gt PD 412V R447 C474 L0 1uF Lak 0 1uF 16V ON n P POWER DET RESET IC408 1 APX803D29 PD_ 24V 24V R404 100K A PD t24V R482 8 2K 1 PD t24V R403 PD t24V 1 5K C412 PD t24V PWR DET ON DIODES R480 100 IC409 1 APX803D29 1 0 1uF 16V G PD t24V PWR DET DIODES et e TD e SS nd eS aS ed A 9 o em em emm emm emm emm emm emm emm emm emm emm emm emm D emm ow KK KC Mme 1 FSB SV Norma
26. DITA PR Di14 HDMIA Bi 3 8 D827 D2 4 7 e D1 GND RCLAMP0524PA 4 L gt D2 _HDMI4 i 1 LO CO D1 HDMI2 D2 GND gt D24 HDMI4 D1 2 9 O D1 _HDMI2 pos ESD HDMI SEMTECH D2 3 8 4 jn D2 HDMI2 i D2 GND 5 6 pos SHT 3 5V ST D2 B OPT t E PMTE F D811 ESD HDMI SEMTECH P VA801 1 e 2 D801 lur L ESD HDMI1 VARISTOR 10V E d R810 EB ui JK801 ESD HDMI1 CAP 0 n OO Om I e D801 1 i R812 1 8 C801 e Lov EE ANT 0 047uF OPT ESD HDMI1 CAP SAJA 25V LO O C e MHL_CD_SENSE D P R831 300K D826 1 D827 1 P em a AD enm D D D D D D D D D D D D D D ap 1 mi gre Mos MHL OCP i 100 HDMI CEC CEC REMOTE S7 i AVDD5V MHL SV HDMI 4 IC802 A BD82020FVJ NT 3 3V Normal D800 A A BR230LSFTIG GND e R809 30V ih e 5V HDMI 2 5 Normal 5V HDMI 4 DV Normal 3 59 ST 10 Ad 100K IN 1 uF ee OPT A A A QE Fe e I I ein AC ae ee CN e CN p u Kp amp a a 2 da MMBD6100 MMBD6100 MMBD6100 y v D822 y y D824 y v M D825 a O O e 5 T e 3 3V Nor
27. E s STER M MSIO e rA_ 2 GP1093 E FE TS DATATS FE TS DATAJO NC_ NC_ NC_ NC_ NC_ TEES IC101 1 p3 D GPIO94 Pcia FE IS DATAJA e FE TS DATA 0 VCC_2 VCC 1 vee 2 VCC 1 vee 2 LGE2121 MS MI L13 MS10 PWMO lt u23 PWMO GPIO69 rA 4 GP1095 1517 FE TS DATA 5 vss 2 PWM1 lt pon PWM1 GP1070 TA 5 GP 1096 F FE TS DATAIG VSS_2 vss_l VSS 2 VSS_1 VSS_2 pwm2 lt x5 PWM2 GPIO71 A 61 Ge1097 ia FE TS DATATT NC 22 2 rai fog NC_22 NC_9 NC 22 NC 9 NC 22 ae ANS 220 a AL GPIO98 GPIO39 PWM4 GP1073 RET NC 21 NC 10 NC 21 NC 10 NC 21 EG ABAD F6 GPIO40 LED_R BUZZ lt __ PWM PM GPIO197 NGA 5 SE AC25 GPIO NC 20 CLE NC 20 CLE NC 20 EE ARE 1 03 gt GPIO42 ES AD25 H6 1 04 ALE 1 04 ALE 1 03 ss erroas ze keyi as SARO GP 1 02 E 1 03 WE 1 03 WE 1 02 a setos XE KEY2 ca SARL GP I O a7 921045 SE 3s SAR2 GP I 02 WP L 02 WP I O GP1048 SAR3 GP TEE 1701 NC 11 1 01 NC 11 1 00 GPIO49 acz SAR4 GP 285 2023 SCART1 MUTE lt NC 19 ans 9621052 NC 19 NC 12 NC 19 NC 12 NC 19 laeron m se NC 18 NC 18 NC 13 NC 18 NC 13 NC 18 FA GPIO54 ES VSYNC LIKE GPIO146 Mesa NC_17 NC 14 NC 17 NC 14 NC 17 asi 271077 V25 R24 ue 120 SCKMO GPIOS6 m aos 11 6 amp 6P10199 Nc 16 NC 16 NC 15 NC 16 NC 15 NC 16 AB2 I2C SDAMO GPIO57 W25 T21 SPI1 DI GPIO200 aca 921976 SE 125 SPI2 CK GPIO201 GP1077 SPI2 DI GPIO202 AA23 Y24 AA25 AA24
28. HD 2D DTS EDID Data CheckSum Physical Address OX9E HDMI o 2 s EN s Te EA e Ta fe c o e A te feb for foo for for for for 0 Hz ln fos feo Jao sa va EE 91 j s 54 ac 99 L n UU 1 20 3l 40 at ED FO a a s Tela Ta Tap Te Tp TE Tr 10 93 UZ 20 21 50 20 LGE Internal Use Only 10 FHD 2D DTS EDID Data Not Support Deep Color 8bit CheckSum Physical Address 0x9E HDMI EE I Du o fi 02 4 5 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 4 6 GND amp Hi pot test 4 6 1 GND HI POT auto check preparation 1 Check the POWER CABLE and SIGNAL CABE insertion condition 4 6 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 Copyright 2013 LG Electronics Inc All rights reserved r Only for training and service purposes 4 6 3 Checkpoint 1 Test voltage D 3 Poles GND 1 5KV min
29. I ce mu n co SS es C rr 1 Press the IN START button of the remote controller for adjustment 2 Check the entry into adjustment item 3 Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes S pe First LGE Internal Use Only Standard Repair Process Detail Technical Manual C Audio error No audio Normal video sicco 2012 01 14 2 Content Checking method in menu when there is no audio feig EE A15 lt LA58xx gt e Sound Out TV Speaker Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual E s E T LCD TV Mm C Audio error No audio Normal video cod 2012 11 17 Se Content when there is no audio Mate Ms when there is no audio date 18 Pin Power Board Main Board lo YEONHO mea BI es ALL MODELS eel veers Checking order when there is no audio Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual y Error D Function error_ No response in remote controller Established 2012 01 14 symptom key error date art m Revised Content Remote controller
30. OFF_2 wx DDCDA DA GPIO27 C282 HALF NIM EU NON T2 R16 CO J11 luF R ya PPCPA CK GPIO26 5 TOK sl L1 2YPPE MOD end 52 POWER ONJOFF 2 lt HOTPLUGA GPIO22 HALF NIM EU NON T2 TE NC 1 GND 53 SS R219 MIUVDDC DD DDR END 54 AD2 E E J14 gt IF AGC MAIN GND_55 Pos Bue GND_56 0285 Ho ES m 0 047uF AVDD2P5 e DD2P5 ADC 1 GND 57 r 1 25V J WTO QE IT8 ap TUNER 2G HALF NIM EU NON T2 nnn nn nn m DD2P5 ADC 2 GND 58 218 T2C_SCKM1 GP1078 gt gt TU SCL z W12 DD2P5_ADC_3 GND_59 725 I2C SDAM1 GPIO79 TU SDA Tr ner On DD2P5_ADC_4 GND 60 E Lo lI Close to MSTAR GND 61 3 y xu C261 27pF DD25 LAN GND 62 e it l 718 SC Faro AGI L x201 AVDD2P5 MOD lt q e Se DD MOD 1 GND 64 5 R5 IE 24082 6262 27pF PM MODEL OPT 1 LUGD GPIO25 sd i DD MOD 2 GND 65 3 Lr TAS ob e GND 66 2 AE9 D7 22 a CK _HDMI4 RXCCKP SPDIF_IN GPIO150 o CI DET S GND 67 3 m X ACT De RAS 200 AVDD25_PGA m NC 3 cup 68 L CK _HDM CH erg RXCCKN SPDIF OUT GPIO151 au er gt SPDIF OUT A E C R214 2 2 AVSS_PGA NC_4 GND_69 DO _HDMI4 RXCOP J8 8215 4 2 2 AD9 Normal 2 5V Eeer D0 HDM 40 gt aci axco zs SID USB UT L12 E DIE D1 _HDMI4 apio RXC1P USBO_DM Z7 ANDE NO lt HERGES GND_71 1513 2 5V_N 1 AVDD2P5 D1 HDM co agi 801 USBO_DP I G IS p enn 72 11 DD DVI USB 1 GND
31. R G B gain to 192 default data and decrease the others 6 Adj is completed Exit adjust mode using EXIT key on Remote controller If internal pattern is not available use RF input In EZ Adj menu 8 White Balance you can select one of 2 Test pattern ON OFF Default is inner ON By selecting OFF you can adjust using RF signal in 206 Gray pattern Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes AI Xx 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 target y target i First decrease B so make y a little more than the target ii Adjust x value by decreasing the R 4 x target y target i First decrease B so make x a little more than the target ii Adjust x value by decreasing the G How to adjust 1 If G gain is adjusted over 172 and R gain 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 B 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 CASE Medium Warm 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 decre
32. R610 1 8K C602 C603 t3 5V ST GE IE LED R BUZZ 16V 50V OPT C607 0 1uF 9 R607 16V 34 SHK IR CC 8 GER 100pF 50V IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION pu E nou SECRET LG ELECTRONICS MODEL DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC GElectronics BLOCK Tee BMEET 4 3 Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only USB SIDE 5V_USB LG e SIDE USB1 DM e SIDE USB1 DP A D700 RCLAMP0502BA OPT 3AU04S 305 ZC THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AA SIMBOL MARK or THE SCHEMBTIC GBlectronics LG ELECTRONICS BLOCK GHEET Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only DATE HDMI REAR 1 SIDE 1 MHL
33. 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 LGElectronics LG ELELTRONILS SL LILK SHEET Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MODEL T 7 TORTE emm emm o nnn nn ms ems ms ms ms ms m en na en en nn nn ms emg IC102 emm emm emm emm emm emm emm em nnn nn e s emm es s EE CHIP Config LED R BUZZ NAND FLASH MEMORY 3 3V Normal
34. WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AN Copyright 2013 LG Electronics Inc All Only for training and service purposes right reserved SYMBOL MARK OF THE SCHEMETIC L406 RI 3 6uH FOV SB ados SER c SE C413 C420 C421 33K 0 047uF eeng 22uF 22uF 13 C422 25V 16V 16V DE OPT R453 ben 27K 16V js OPT R491 s R2 0 12V I CHANGE TO 5V USB 16V X5R C417 Eap_10uF_X5R A l0ur CHANGE TO 10V inst j LOV 1007 10v x5r CIC21J501NE U 5V Normalt3 3V Normal A e IC401 us R R414 TPS65281RGV TOR 4 7K SN d OPT USR 0CD 100K g d m e USB1 CTL C417 1 9 10uF 10V R413 CAP 10uF X7R R409 20K c426 wel 2K ipt T OPT 0410 3300pF 50V ES SECRET LGElectronics O A A ee A Se m a ad M D GEM m UD EE EE Nd dr ed ED EM SUD E A en wie emm emm emm emm aD emm emm emm emm emm emm emm emm emm D D D emm emm E deg PANEL POWER 12V L412 120 Q409 CIS21J121 AO3407A i D e e T 0443 0438 RR 10uF PANEL_VCC 0 1uF 16v G A 25V e OPT ci R440 5 6K e R430 10K PANEL CTL B 0407 MMBT3904 NXP 001 AL22 E R489 10K Ss te es e e e e e 3 5V_ST b A IC407 1 5V_DDR AP7173 SPG 13 HF
35. channel data is cleared you didn t have a DTV ATV test on production line Copyright 2013 LG Electronics Inc All rights reserved BK k LGE Internal Use Only Only for training and service purposes 4 Total Assembly line process 4 1 Adjustment Preparation m W B Equipment condition CA210 CH14 Test signal LED back light m Above 5 minutes H run in the inner pattern power on key of adjust remote control Inner pattern 80IRE in case of gt The spec of color temperature and coordinate x 0 271 40 002 E Cool C50 13 000k E3 0 270 40 002 XX Test signal Inner pattern for W B adjust External white pattern BOIRE 204gray x 0 286 40 002 mm y 0 289 40 002 X 7 0 313 40 002 Warm W50 6 500k 0 329 40 002 gt CA210 CH 14 Test signal Inner pattern 80IRE Standard color coordinate and temperature using CA 1000 by H R time Medium 0 Normal line model normal line LN5xxx LA6xxx LA7xxx LA8xxx o2 am zw ze we wo 242 ee ze 24 20 303 wo wo el aas ars 24 20 20 ma 309 el some 272 20 zw 20 m 306 ol zeg 20 20 206 zoo wo 325 Aging chamber line model aging chamber LN5xxx LA6xxx LA7xxx LA8xxx HR Time Mi ESESSSESESES os 22 205 207 304 ss 90 6 so 268 267 283 206 307 sm sm 266 264 201 zes sos so Pa Ovi 26 aes 260 20 304 310 Copyri
36. d A8 CD A MA8 A MA7 E A DDR3 A 7 7 Se B MA7 m e 55 A9 CD A MA9 A MA8 mca d DDR3 A 8 8 Sa B MA8 D 61205 1Qur A10 AP gt A MA10 A MA9 cie PPR3 A19 9 em B MA9 e 122 0 luf p A11 CD A MA11 A MA10 z A DDR3_A 0 B MA10 K inia S z S E lig ae A12 BC O A MA12 A MA11 ais 2 DDR3_A 1 d B MA11 d F o i A13 A MA13 A MA12 zii A PDRS A SE B MA12 T 211 0 luF g T A MA13 515 2 DDR3_A 3 DA B MA13 lt Set A MA14 A DDR3 A 4 B MA14 e C12 0 1uF e C1214 Q luF R2 e CD A MBAO 5 CD A MCK a G 0 1ur OD A MBA1 Q Se A MBAO z 2 DDR3 BA DDR3_BA 23 B MBAO B F F HERE Our r O A MBA2 wo e A MBA1 zis A DDR3_BA DDR3 BA zo B MBA1 I 4 A MBA2 A_DDR3_BA DDR3_BA B MBA2 We se 0 01uF ci Sot 50V C G25 a Qu A MCK 7 A DDR3 MCLK _DDR3_MCLK E B MCK L_ gt A MCHE A MCKB A DDR3 MCLKZ DDR3 MCLKZ B MCKB D2 6 F25 Se DX A MCKB A MCKE A DDR3 MCLKE DDR3 MCLKE B MCKE F1 A MODT H2 E14 D20 GS LD A MRASB AVDD_DDRO A MODT Bip 2 DDR3_oDT B DDR3 ODT ees B MODT CD A MCASB R1231 A MRASB A12 PPR3 RAsZ B_DDR3_RASZ B MRASB ji CD A MWEB 10K A MCASB TE A DDR3 CASZ B DDR3 CASZ rov B MCASB ES i A MWEB A DDR3 WEZ B DDR3 WEZ B MWEB CD A MRESETB LI F11 E20 SR A MRESETB A DDR3 RESET B DDR3 RESET B MRESETB TI A MA14 C DX A MDOSL A m K gt A MDOSLB A MDOSL cig A PDR3_DOSL B_DDR3_DOSL E B MDQSL im A MDQSLB A_DDR3_DQSLB B_DDR3_DQSLB B MDQSLB gt A MDQ
37. e GND 10 GND 5 HSYNC2 L209 E17 SR T16 R237 33 C218440 047uP Y2 e a Ti GNB n COMP2 Prt RIN2P L202 BLM18PG121SN1D See M e er R238 68 C2199 40 047um 223 ic BIN SE N T e 13 e e sis ER enp_117 L R239 33 c220440 047uF W2 ADS A e D 13 GND 8 COMP 2_Y AV_CVBS_IN e GIN2P 249 C253 C256 D isi g22 SNP U9 R240 68 c221440 047ud Y3 C C263 fu 2 Sia FO lle e GND 14 GND e GIN2M 4 7u luF 0 1u 10uF Cake 5 S Velo Calma Ulls 5 F8 U10 R241 33 C2224140 047uP VI AE5 Qi gt Q Si e GND 15 GND COMP2 Pb BIN2P N SOT ta ONS To 9 7 011 R242 68 C223940 047um W3 AC6 olo l e EXT GN e BIN2M Oulu 8 U12 J c224Ml1000pr wi as I A A NT US Zu M EE Rr H P OUT En UA ERES rm rs rs zs J AA6 L203 5 648 HEAD PHONE gt e END L END eg L205 5 6uH HEAD PHONE SE AVDD_DDR1 55mA G8 y 014 6u i CVBS In OUT EARPHONE_OUTR TER L gt HP_ROUT J e us 97 1 GND_ E R244 33 C2259 0 047um 228 SS Ae e GN D BOND TU CVBS e T ya vaso c268 272 N22 016 e GND 21 GND_ CVBS1 4 7uF 4 7uF N21 U17 j R246 33 C227 I WA Ce J EPEY np er x e C END COMP2_Y AV_CVBS_IN CVBS2 RP GP R249 33 C230440 047uP AAS 05 HEAD PHONE HEAD PHONE e N20 G GND RTE AV2_CVBS_IN CVBS3 TP GP CD EPHY TP M22 v9 AV2 AV2 Y5 e G GND aag A6 M21 v10 NC 7 RN GP X EPHY RN e uzo GND_ SS vE E ues um SS deg deg SE SS e Z SND TAT NC_6 LED1 GP SOC RE
38. 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 available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying pow
39. 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 vvell tinned 4 Thoroughly clean the surfaces to be soldered Use a mall vvire bristle 0 5 inch or 1 25 cm brush vvith a metal handle Do not use freon propelled spray on cleaners 5 Use the follovving unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to av
40. pd ler eenco s em senes eue eru dl dee ana EISE bung 12 3 3V_Normal AD24 Y23 W24 S7LR M NON MS10 OPT e IC101 e R156 10K T25 MSD804KKX e PWMO U23 RI402 R141 RIGAS R145 EY R157 100 K K 2K 2K PWM DIM X PWM2 T23 us SYM A NE OPT AMP_RESET EE GPIO39 FE gt RXAO CECI 2L AMP SDA FRC RESET FRC RESET lt rs lt 040 CEPS gt RXAO 2 2ur lt 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 ree scr D5 AC24 AV2 CVBS DET GPIO44 gt RXA2 B7 AE23 SC1 COMP1 DET GPIO45 gt RXA3 E7 AC23 HP_DET z7 048 gt RXA3 S2 RESET CJ GPIO49 CO RXA4 mmm emm emm nn nn emm m em mm em zm rm re e em zm rn rm ze rm en ng TUNER RESET EES G 052 gt RXA4 7 zm zz zi PM MODEL OP ON MODEL OPT 0 as 991053 TE Taa YET vun EN CH QU AND EN C 4a GP1054 SE RXB0 EEPROM Nadas ep MODEL OPT agi 671055 xot RXBO LNA CTRL 1 C ue 120 SCKMO GPIO56 53 CD RXB1 9 LNA CTRL 2 lt PE I2C SDAMO GPIOS57 uds CCOO RXB1 R174 MODEL_OPT_2 GPIO76 gt RXB2 R177 10K TOK AC2 W23 NVRAM ST NVRAM RENESAS l S W TW HD LVDS NON EU BR RESET DEMOD C GP1077 CO RXB2 TET C105 NON OS 512k ST NON OS 512k ATMEL x gt PM MODEL OPT O AA23 OO expat mE M24256 B
41. reserved Only for training and service purposes LGE Internal Use Only LG Life s Good Merk Smartt Smart Error symptom High category Error symptom Mid category Page Remarks No video Normal audio No video No audio A Video error Tuning fail Picture broken Freezing Color error Vertical Horizontal bar residual image light spot external device color error No power ROME Off when on off while viewing power auto on off No audio Normal video C Audio error Wrecked audio discontinuation noise Remote control amp Local switch checking J D Function error External device recognition error oam First of all Check whether there is SVC Bulletin in GCSC System for these model Contents of LCD TV Standard Repair Process UJ UJ Ln NO PN Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only i Be First Do it Right ork Smart wl Fees comm Page See A Video error_ No video Normal audio Power Board voltage measuring method ATI 6 TUNER input signal strength checking method AR A Video error_ No video Video lag stop A8 Check Link Cable LVDS reconnection condition Contents of LCD TV Standard Repair Process Detail Technical Manua fy 02 N A Video error Color error El Adjustment Test pattern ADJ Key LCD TV connection diagram 8 AUS A
42. ue eres HEAD PHONE amp E u R1501 01502 B 01504 16V 1000pF 1K MMBT3904 NXP e MMBT3904 NXP HEAD PHONE 43 5V ST 50V B EAD PHONE POP T HEAD PHONE POP a JK1500 A E C 3 3V Normal KJA PH 0 0177 D GND 5 e el e HP DET lt HEAD PHONE 150 HEAD PHONE POP e HEAD PHONE HP ROUT Il OPT P Ge HEAD PHONE G E u R1502 01503 B 91505 16V 1000pF 1K MMBT 3904 NXP e MMBT3904 NXP 50V HEAD PHONE POP B HEAD PHONE POP E E EAD_PHONE_POP 01501 R1504 MMBT3906 NXP 10K HEAD_PHONE R1505 R1503 1K 1K SIDE_HP_MUTE HEAD_PHONE_POP RI 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 IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes LG ELECTRONICS MODEL DATE BLOCK pezoenone SHEET LGE Internal Use Only COMPONENTI AV COMMON AV COMP AV1 2 JI PO EPdg249 01 AV2 COMPONEN amp AVI COMB AV a JE 4902 PP RD3 E LUG R1716 10 e OD AV2 R IN AV2 tna inm I ups LR_ 1000pF RD3 C SPRING e i T i e RD3 CONTACT R1717 e AN
43. 0 1G NANYA DDR 1600 1G NANYA DO T2042 LTCIZOZ2Z 2 NT5CB64M16DP DH EAN61859501 M8 VREFCA VREFCA HL NS EMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes WHEN SERVICING IF 15 NT5CB64M16DP DH KAB2G16461 EAN61859501 DDR 1600 2G SS MCA AO e DI EAN61848802 VREFCA SECRET LGElectronics DDR 1600 2G SS BCKO K4B2 N3 CIL 0253 G1646E BCKO EAN61848802 uj VREFCA DD 457 N2 EAN61829203 VREFCA R 1600 2G HYNIX IC1201 4 L O2G63DFR PBC MI M9 PI E TI T9 DD EAN61829203 VREFCA LG ELECTRONICS DDR_1600_1G_SS IC1202 K4B1G1646G BCKO M8 HL B2 D9 K2 Ke NI NS RI EAN61836301 EAN61859702 VREFCA EAN61859702 VREFCA 3 B MA0 C lan VREFCA B MVREFCA P B MA1 C SES ES B MA2 lt B MA3 lt g A3 VREFDQ B MVREFDO P B MA4 lt _ seg 44 2 DDR B MA5 lt Se A5 R1226 B MA6 lt z 26 R PEMAI Te EC AVDD DDRO B MA8
44. 0 60Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 SVC remote controller 7 Push The IN STOP KEY For memory initialization 2 3 4 5 Nm XX Case Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key 3 Push Power on key 4 Function inspection 5 After function inspection Push In stop key Case2 Function check at the assembly line 1 When TV set is entering on the assembly line Push In stop key at first 2 Push Power on key for turning it on gt If you push Power on key TV set will recover channel information by itself 3 After function inspection Push In stop key Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes A 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 v MERE US Um dy Va IE 02 ILS meu ses Load Aulo LT c Hex H NWETIFTTIITIITTFTTTPTTPITTPITTPITTPTTTWY duh El 0 ee Start Addr nsnnnnnn Checksurn Mirmaxezid Apir CC OFF
45. 3 Is 6 E a a fs Pe c o E DE n FHD 3D EDID Data Not Support Deep Color 8bit 5 CheckSum Physical Address OX9E HDMI ba la ED ED ED ls pe 7 fs s Welle elfo Je lie 3 FHD 2D EDID Data Not Support Deep Color 8bit CheckSum Physical Address 0x9E o 1 I2 3 Is Te Pz Te Le T 8 c o Te HZ BO 01 00 0 01 07 07 UU 10 EE ls 26 20 30 40 50 50 00 a ka o icm n ECH di Opio lG hG l G Copyright 2013 LG Electronics Inc All rights reserved a E LGE Internal Use Only Only for training and service purposes 6 FHD 3D EDID Data Support Deep Color 10bit CheckSum Physical Address 0x9E 8 FHD 3D DTS EDID Data Not Support Deep Color 8bit CheckSum Physical Address OX9E o 2 3 4 Ts L6 7 La 9 IFF 1E Jep Jo LS TS IE RI 12 leo o 7 HD 3D DTS EDID Data CheckSum Physical Address OX9E HDMI 2 o fa 2 3 Ts Le 7 s Tela 1E JEC Jun a F1 a s s Iz s oe Als c e E F 4E bn ir fos 93 fos 20 21 B 03 29 GU 10 5A 00 3E 40 Copyright O 2013 LG Electronics Inc All rights reserved Only for training and service purposes 16 HDMI o i 2 3 Ls Le Cr s 8 La Pe c o Je Pr FE IFF ED Jo foo for for for Jo DU 1314151617181914181610 161 ri 4E MO SF 04 05 02 112 20 21 2D 9
46. All right reserved Only for training and service purposes LGE Internal Use Only MODEL DATE LVDS NON EU Eg DA dc OG cae E EE EECH CSL ADS Connector FHD P1100 FI RES1S HF J R1500 For FHD 60Hz LVDS_SEL LO oo On Ln D LA N and e LO oo On ui D LA N N H N w N an 26 RXA4 RXA4 RXA3 RXA3 RXACK RXACK RXA2 RXA2 RXA1 RXA1 RXAO RXAO R1111 0 N N LO LA e LA La LA LA w N w A w an LA LA oo LA VO Bs La Di N RXB4 RXBA RXB3 RXB3 RXBCK RXBCK RXB2 RXB2 RXB1 RXB1 RXBO RXBO NON_AUO39inch NON_AUO39inch R1112 0 Di w R1113 0 D D D mn Ln Bs Bs ds oo 0 NON_AUO39inch 3 3V_Normal A OPT R1100 3 3K OPT R1101 10K PANEL_VCC A FHD 3 L1100 120 CIS21J121 Bs LO LH e Ui n i 1 i FILRE AND ELECTRICAL SHOCK HAZARDS Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION WHEN SERVICING IF 15 ESSENTIAL THA
47. BRIT M ELT Supp MIU e DD DDRO D 1 GND_92 T 5 UTI P8 2 Y9 HSYNCO 1x3 e LE DD DDRO D 2 GND_93 Fo R3 e DD DDRO D 3 GND 94 2 VSYNCO AAT C238 2 2uF LANZ D u 55 Rinor SC Se le AV2 L IN e DD DDRO C GND_95 FE u z RINOM AV2_R_IN ts END 96 V C INUP C242 COMP2_L_IN e DD_DDR1_D_1 exp 97 re 1 Y10 aoa E D H crnom i u COMP2 R IN e SE DD DDR1 D 2 GND_98 E SC1 ID mo BINOP AS T L16 PUE END_99 Fris sci FB 1 BINOM J DD_DDR1_C GND_100 577 SH GND_101 SC1_R COMP1_Pr SOGINO p r R m CHANGE TO X5R AUDIO IN GND_102 L SC1_G COMP1_Y E9 R9 SC1_B COMP1_Pb Ji e eT SS QE D_EFUSE GND_103 it SC1_S0G_IN HSYNCI TC e 1 Hu s 2 R12 v3 W6 AUDIO OUT Gun 105 SC1 CVBS IN v3 vsYne1 GPIO PM 13 GPIO19 Fe MHL CD SENSE A23 ES SC1 COMP1 LIN RINIP AUOUTL2 Pr gt SCARTI Lout MMi i e 51 SNP GND_106 F ya AVDD5V_MHL e GND_2 GND_107 SC1 COMP1 R IN zi BENN AVDD5V MHL E E DER 3 T 5 Vv 23 T8 DEMOD_SCL C rz 0012 GPIO PM 14 GP1020 gt vBUS EN D e as 932 3 GND 108 Py DEMOD SDA Ho GINIM AUOUTR2 y5 gt SCART1_Rout e a E D 4 GND 109 m a EL GPIO_PM 15 GPIO21 TRUS be cio 932 5 GND 110 Ee 73 PINIM A e cop CNPS enn 111 PFP e GND 7 GND 112 SOGINI AVDD_DDRO 55mA e D14 unn Ur E T13 1 5V_DDR D18 T14 H AVDD e 51s 0400 9 cup 114 x COMP2 AA2
48. C_ATSC_1 2K IW TU A x dene UN TU IIC NON ATSC 1K LL63711 1 4 63713 1 3 3V TU R3733 20pF 20pF R3741 1 R3774 100K T sov Tov A 1K 470 1 TU_IIC_NON_ATSC_1K TU_BUFFER_SIF close to TUNER R3732 TU I2C FILTER TU I2C FILTER R3715 R3758 emm 100 RF SIN C Tw NC 1 bd TUNER RESET TU I2C FILTER A RF S WCTL R3g05 1K TU_I2C_FILTER e s e gt TU SIF 03702 sw opt LR380d R3735 1 R3736 1 0 TU NON BUFFER SIF SW me C3710 RESET Yule E ia cn eH 03705 RESET 16v Jj Lev x E I3 RS P3 Rl e MMBT3906 NXP RESET us qum 6 TU IIC ATSC 1 8K TU IIC ATSC 1 8K B TU BUFFER SIF Sum SCL NIE TU I2C NON FILTER Durs e R3735 33 AIK kg e e lt TU SC
49. EN 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 right reserved Only for training and service purposes PCM A 8 PCM A 9 PCM A 10 o 0 PCM_A 11 Co OW PCM A 12 SO PCM A 13 0 PCM A 14 D o TP for FE_TS_DATA FE_TS_DATA 1 FE TS DATA 2 FE TS DATA 3 gt 9 FE TS DATA 4 C 0 FE TS DATA 5 SO FE_TS_DATA 6 0 FE TS DATAI7 9 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 for SCART SCART1_MUTE sci 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 se DATE BLOCK T lt SHEET LGE Internal Use Only 1141 3 POWER BLOCK POWER DETECT 2 A Au A CEET E EE EE o FROM LIPS amp POWER B D 3 5V_ST MMBT3906 NXP A 0402
50. GPIO PM 3 GPIO9 RL ON PF_wP gt WP 1 0 PCM A 13 NOE 1 _PM 3 xm BCM ATIT PUE R 13 GP GP10 PM 4 GP1010 Fe CD POWER ON OFF 1 AR104 L os E pu E 22 ED Nc 11 1 00 9 R 14 GP PM UART RX GPIO P GP PM RXD aa OD fe z C2 R146 33 08 NC 12 NC 19 t i e x38 PM SPI SCZ1 GPIO P GP DE U SPI_cs 3 3K l S 9 S E PCM REG C REG N GPIO GPIO P GP Se D FLASH WP NC 13 Nc 18 m E te E S ABIS GPIO_P GP ME CD 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 SR PCM WE C X938 WE N GPIO195 PM SPI SCZ2 GPIO PM GP G PM MODEL OPT 0 Nc 15 NC_16 PCM_IORD K020 LORD N GPIO114 GPIO_PM GP gt AMP_MUTE PCM IOWR C IOWR N GP 12 RIED A2 R147 33 PM_SPI_SCK GPIO1 gt SPI SCK AD21 D3 PCM CE C m CE N GPIO PM SPI CZ0 GPIO PM 12 GPIOO E PCM IRQA IRQA N GP PM SPI SDI GPIO2 SPI SDI Y18 B1 R151 33 PCM CD m CD N GPIO PM SPI SDO GPIOS3 f PERS i sPI SDO les s e e a e e e e emm a nn e a a a e e e enn e PCM WAIT Se WAIT N GP or SERIAL FLASH PCM RST C _RESET GP r NAND FLASH 2G HYNIX Ser TS CLK UD HAND FLASH 1G TOSHIBA NAND FLASH 2G TOSHIBA NAND FLASH 1G SS Y14 Sien EAN60708702 TSOCLK GP TS_ 1C102 1 EAN61508001 EAN60991001 EAN61857001 U21 AA10 Ea NU KENG I6102 x2 OT 83 ici02 4 USB1_OCD i 2_CE_N GP 34 TSOVALID GP uem TC58NVGOS3ETAOBBBH TC58NVG1S3ETAO0 K9F1G08U0D SCBO USB1 C
51. H9 G13 o eig alt ala sja of 39 e S R289 100 C258 0 1uF L204 Eid DC_2 GND_35 eege y sho pjes N N t IF_N_MSTAR BLMISPGIZIJSNID C284 1 ES cus Ge z e e HALF_NIM EU_NON_T2 HALF_NIM EU_NON_T2 e e Ps e K11 G17 e e e e e HALF NIM IF FILTER E m m 3 DC 4 GND 37 S7LR M NON MS10 C289 5 ta ES 5 3 3 5 L10 d ERU SHE bes 33pF 4 E K x H 10uF 10V DC 5 GND 38 s s s wm s i seg 1c101 s SS o a a ae ae s SO D d 5 S B E CAP 10uF X7R M12 Ps aep e ES 9 MSD804KKX x Zi lie E M13 E G24 mn mm ba s o gt e I E E TT C204 TL Wid DC_7 GND_40 1 0 1uF R216 kerian teg 5 3 H en z TU_SIF FR 2 aa Jo al amp f o al m S DC 8 cup 41 pe 0 1uF R218 47 S CHANGE TO A LZ Cre ei um O 8 10uF 10V E Dog SSA Mm mm mm me e 1 33 ACA eo 10UF 10V X5R e CAP 10uF X7R P15 M E DE H13 EEN Rea AD3 ANALOG SIF CHANGE RO R10 7 3 H14 RXACKN E 10UF 10V X5R DOJA CND 44 K3 Close to MSTAR 2 FB CORE R14 H15 ad DC_12 GND_45 RXAOP ee remm nn Se mum d ser ETE zr J1 AC3 AVDD_AY33 ace Gap Ze K2 RXAON AE3 3 3V_ Normal T10 ps H17 RXA1P A i254 DC 14 GND_ EE EL 1227 M18PG121SN1D CND 48 RXAIN ADi BLM18PG121SN1D BL H19 L2 RASE HALF_NIM EU_NON_T2 TO e GND_49 P10 E L3 ACS AEN C240 C241 NC 2 GND 50 z5 RXA2N e 0 1ur o0 1ur FB CORE lt o HALF NIM EU NON at E FB_CORE GND_51 POWER_ON
52. L TU BUFFER SIF SDA R3736 33 SDA e e e TU SDA zi TU I2C NON FILTERTU I2C NON FILTER TU I2C FILTER E 3V B1 3 3V C3711 C3713 03742 03743 li 3 3V am 138pF L Spr 20pF 20pF B1 3 3V e ay 50V 50V 50V 50V NC 2 i em TU I2C NON FILTER TU 1I2C FILTER 43 3V TU 63702 FClose to TUNER z E R3783 o 7 A HA 16V e W A DEMOD 8V B2 1 8 Gee B2 1 8V 1 B2 1 8V R3751 R3752 R3784 0 220 220 e e TU BUFFER VIDEO TU BUFFER VIDEO CVBS HALF NIM IF FILTER HALF NIM IF FILTER W_A_DEMOD R3760 1 R3761 1 R3756 0 IF AGC 10 10 o e TU CVBS IF AGC e c3150 saje TU NON BUFFER VIDEO a am omes e m Spr ILI 5pF R3780 R3781 03703 50V 50V SE R3782 3 3 R2743 0 MMBT 3906 NXP FE P R3761 0 OPT OPT TU BUFFER VIDEO F P gt OPT OPT 2K TU BUFFER VIDEO B TOWOVICJDU HALF NTN R3762 Rn QET d I A 2K E R3750 E DIF N R3760 0 OPT IK DIFI N e OPT FULL NIM HALF NTM B3 3 3V 1 23v TU 13706 s J ER Al uec A 120 Close to the tuner B4 1 23V e 37 o IF_P_MSTAR 16v RESET DEMOD FULL E R3798 5j e mo IF N MSTAR GND e e BR RESET DEMOD a N n m SHIELD ZU emi lm fana emma eui e 3757 10 1 should be guarded by ground H Tur FULL NI Zee o via on both of them ERROR 16V R3199 D 3 Signal Width gt 12mils D Signal to Signal Width 12mils e Ground Width 24mils um ea R3801 close to TUNER 0 EN e R3801 T2 3V TU FULL NI
53. M D DEMODE 0 47 E R3802 ANN e a 0 FULL NIM D DEMODE 47 13505 a FULL MIM b DEMODE 0 R3802 1 ZU De M 3 3 TU Noi X5R Ka x oise 0 9 FULL_NIM_D_DEMODE_47 1 8V_TU 3 3V_TU_Noise C3708 OMEN i GND seperation for ASIS tuner Jj FULL NIM D DEMODE O R3803 1 C370 0 1uF le 37077 1 R3804 47 100pF R luF 16V D 0 50V iov FULL_NIM_D_DEMODE_47 lt FULL NIM D DEMDDE 0 Kn C3737 C3738 i 2 47 100pF 0 1uF o 50V 16V close to the tuner pin add 09029 5 FULL NIM D DEMODE 47 H bag E 10 d D EE nv OH vo ple R3704 100 M zoe gh 11 F AGC MAIN of ASZ Ne nn S c a Zot ofo HALF NIM a C3716 Should be guarded by ground 7 0 1uF 12 16V HALF_NIM TW FE LNA e 20 LNA CTRL 1 14 gt FE TS SYNC AN 9 LNA CTRL 1 Tw Ye ENA f y R3797 LNA CTRL 2 15 S L L 1 EE TS VAL ERR 3 3 TU LNA CTRL 2 1C3703 t1 8V TU ay FE TS CLK AP1117E186 13 A close to TUNER SHIELD ui 3 i OPT een a em FE TS DATA 0 e INADJ GND e 9 1uF Se 0 1uE OUT R3710 6V 16v 200 TW FE LNA TW FE LNA 1 Ne an a e e Al C3741 1 lt Vo VREF 1 R2 R1 IURE Ki VREF 1 25V Toum TOY A CAP_X7R_MP e a Z 380mA Z 0 d C3740 CAP 10ub X5R a D H LI C3741 S lease TO 10UF 10V X5R EC SON al AP2132MP 2 5TRGHp SS f I TU3704 1 1 23V_TU Pe REO TN FE LNA FILTER SETTING 5 S1217 p EN ZINOT E R3771 10K PG GND A TU3700 1 e 4 Frequence Filter_Type PULL NIN OPT FULL NIM BCD FULL HIM BCD FULL NIMM BCD TDSS H501F m F T
54. North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED IV CHASSIS LJ36B MODEL 32LN5400 32LN5400 SA SB 32LN540B 32LN540B SA SH CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67711903 1302 REVOO Printed in Korea CONTENTS CONEENI Sese E E 2 PRODUCT SAFETY iria 3 SPECIFICATION taria a E EST EES 4 ADJUSTMENT INSTRUCTION eeeeeeeeeeeeeeee eee nenen eee 10 BLOCK DIAGRAM m 19 EXPLODED VIEW aa 20 SCHEMATIC CIRCUIT DIAGRAM nana nan nenen neneve nese rene ee eren ee ere nene neser Copyright 2013 LG Electronics Inc All rights reserved 35 LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A in the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufactu General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate
55. OMP_Pr a A k COMP_Pr d eec A e e ST E e Pr_ BL C SPRING BL C SPRING e 0 COMP2_Pb GN CONTACT GN CONTACT e KO in NERVOS e t3 3V Normal i 7 GN JE SPRING GN C SPRING NI e e AR gt AV CVBS DET CN Ee FEN IE TE Xn gt 0 e y gt COMP2_Y AV_CVBS_IN 0 e COMP Y ZENER ROHM R1707 D B 3 m s e a T DTV MNT_VOUT SECRET LGElectronics LG ELECTRONICS MODEL wcs_s7unm DATE BLOCK kear non zu 2 SHEET LGE Internal Use Only ELBHBEHRNELIL H W option ETHERNET 2 5V_Normal A ETHERNET A 12101 E JK2100 1 JK2100 BLM18PG121SN1D RJ45VT 01SN002 XRJV 01V 0 D12 080 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 El 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 scHEMETIC LG Electronics BLLLK EN OHEE Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Interna
56. RMNGTP OT VAM I Ee No CcEESDPHZMOBRIGOETED HIGH HD NON EU e miss R1EX24256BSASOA M24512 RMN6TP AT24C512C SSHD T 2 Eiere m AA25 e PM MODEL OPT 1 LOW HD EU REZA gt RXB4 EO VCC T T 1 1 a AO vee EO vcc AO vee HD LVDS pattern is different gt RXB4 ne Between EU and NON EU now El Wc m gt RXACK Al WP E1 WC A1 WP R175 T PM MODEL OP 1 AD24 R e gt RXACK 10K gt 10K Y23 E2 SCL E R111 22 SIM EU AJ HD LVDS EU HIGH S W NON EU gt RXBCK lt I2C_SCL A2 SCL E2 SCL A2 SCL LOW S W EU AJ W24 e gt RXBCK vss SDA I Ede 55 S W is different eo I2C SDA VSS SDA VSS SDA GND SDA pe T25 Rx c ccc cC en Eege cce Between TW MODEL OPT 3 C104 C106 U23 2 MODEL OPT DEE SPF T24 S OPT OPT MODEL OPT d le EAN62389501 EAN43349003 EAN43349004 T23 e us THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION Peste o c EM 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 right reserved Only for training and service purposes LGE Internal Use Only MODEL OPTION Memory OPTION
57. S 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 mEnter White Balance by pushing gt key at 8 White Balance EZ ADJUST Tool Option1 Tool Option2 Tool Option3 Tool Option4 Tool Option5 Tool Option6 Country Group ADC Calibration 0 iR 2 3 4 5 6 7 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Ext Input Adjust m For manual adjustment it is also possible by the following sequence 1 Set TV in Adj mode using POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10cm of the surface 3 Press ADJ key gt EZ adjust using adj R C gt 8 White Balance then press the cursor to the right KEY When KEY is pressed 206 Gray internal pattern will be displayed 4 Adjust Cool modes i 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 increase G gain to 192 and increase R gain and B gain same amount of increasing G gain ii 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 iii 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 5 Adjust two modes Medium Warm Fix the one of
58. SET F10 712 DEV MNT VOUT lt lt a CVBSOUTI M vis GE V14 C203 TN GP gt EPHY TN o a a a a a a a a a a a a a a a a a e W16 G GND V17 1000pF 5 R252 68 C23344 0 047uF apa c3 POWER DET RESET 143 5y ST e 2 ENS 79 Il GP SWICH Tm c T s ms emm ms OPT A3 LO A SW200 e G GND GP 53 URSA_SDA JTP 1127WEM ee ee ee ee zm zm zm zz zs zi T18 im E8 T N P Close to MSTAR GE gt URSA SCL T 3 5V I e G GND_ B4 RESET IC SOC RESET le Y D LEDO GP R266 1 10V_VDDC o URSA SDA 470 OO SWICH i ce AVDD NODIE MIUVDDC R205 NA A A d vraa SCH 6 AN BLMISPGIZISNTD ES a a a ee eee gt C202 C200 e T BLM18PG121SN1D N4 4 7uF E 4 7uF R217 AVDD_DMPLL C286 AY IRINPGPIOS f fg R210 0 C231441uF i tow qs mV Te 7 Ge S T ARCO L gt HDMI_ARC breeze anc aper e e e m pet C279 N5 HDMI1_ARC HDMI ARC 3 5V SOC RESET L207 Ziel 1UF HWRESET SOC_RESET SOC_RESET BLM18PG121SN1D 10uF I MO FT 10V R200 C201 62K o Lupi C205 Jp THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC Electronics LG ELECTRONICS N2 NON EU Copyright O 2013 LG Electronics Inc All right
59. SPECFIED PARTS BE USED FOR Copyright O 2013 LG Electronics Inc All right reserved Only for training and service purposes IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics 3 5V_ST A OPT R1300 10K 3 5V_ST 3 5V_ST A A SPI FLASH MACRONIX OPT IC1300 BER MX25L8006EM2I 12G CS C1300 0 1uF SPI CS e e SO SIO1 SPI_SDO gt SCLK FLASH WP e LI l R1302 SI SIOO 33 SPI_SCK SPI FLASH WINBOND ICQOdq 500 1 W25080BVSSIG DI IOO0 LG ELECTRONICS SPI SDI MODEL sr DATE BLOCK reren 05 SHEET LGE Internal Use Only GLOBAL tuner block except EU and China TU3702 TDSH G501D ISOLATOR_DVB_1INPUT_H TUS 04 TDENSIJOLE B SI2178 TW LNA 21NPUT H TUS ES TDSN B60L Eb 512178 BR 2INPUT H Pull up can t be applied because of MODEL OPT 2 TU3700 TDSS G201D RF SWITCH CTL SI2156 DVB l1INPUT H R3741 3 OE TU IIC BR 2 2K R3740 3 2 TU IIC BR 2 2K R3741 2 Si 2 TU IIC ATSC 1 2K FE AGC SPEED CTL lt IF_AGC_SEL FE_BOOSTER_CTL o LNA2 CTL o DEMOD SCL o DEMOD SDA R3740 2 1 2K I
60. SU B3 B J21 en gt A MDOSUB A MDQSU X A DDR3 DOSU B_DDR3_DOSU 338 B MDOSU E A MDQSUB A_DDR3_DQSUB B_DDR3_DQSUB B MDQSUB gt A MDML J2 E15 H24 ES CD A MDMU A MDML A21 2 DDR3_D0 DR3 DOML ES B MDML inf A MDMU A DDR3 DO DR3_DQMU B MDMU gt A MDQLO M9 D17 L23 zr gt A MDOL1 A MDOLO cis A PPR3 DOLIO DR3 DOL O Ss B MDOLO gt A MDQL2 A MDQL1 B21 A PPR3 DOLLA DR3_DOL 1 m B MDOL1 Ee gt A MDOL3 A MDQL2 SE A DDR3 DOLI2 DR3_DOL 2 TE B MDOL2 To gt A MDOLA A MDQL3 B22 A PPR3 DOLI3 DR3_DQL 3 FA B MDQL3 CD A MDOL5 A MDQL4 ria A PPR3_DOLT4 DR3_DOL 4 SC B MDQL4 CD A MDQL6 A MDOL5 222 2 PDR3_DOLI5 DR3_DOL 5 SS B MDOL5 zi gt A MDQL7 A MDQL6 p15 A PPR3 DOLI6 DR3 DOL 6 E B MDOL6 B9 A MDQL7 A_DDR3_DQL 7 DR3_DOL 7 B MDQL7 gt A MDQUO Di G16 G21 D CD A MDQU1 A MDQUO pum A DDR3 DQU O DR3 DQU O m B MDQUO d CD A MDQU2 A MDQU1 SE A DDR3 DQU 1 DR3 DQU 1 SCH B MDQU1 Se CD A MDQU3 A MDQU2 Se A DDR3 DQU 2 DR3 DQU 2 T B MDQU2 F gt A MDQU4 A MDQU3 Erg A PPR3 DQUL3 DR3 DQU 3 E B MDQU3 m CD A MDQU5 A MDQU4 EEn A DDR3 DQU 4 DR3_DQU 4 CS B MDQUA Se gt A MDQU6 A MDQU5 Dig A DDR3_DQU 5 DR3_DQU 5 S B MDQU5 gt A MDQU7 A MDQU6 520 A DDR3 DQU 6 DR3 DQU 6 2d B MDQU6 A MDQU7 A_DDR3_DQU 7 DR3_DQU 7 B MDQU7 0 DDR_1600_1G_HYNIX DDR_1600_1G_HYNIX ECIZOL T I CLA02 H5TOI1G63EFR PBC EAN61829003 N3 VREFCA E N SYMBOL MARK OF THIS SCH HETOIGOSEFHR FBCG EAN61829003 VREFCA DDR 160
61. T ONLY MANUFATURES SPECFIED PARTS BE USED FOR IHE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC FHD SECRET LGElectronics ap m m GB GB GB GB GB BD GB BD d 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 Change an SILR RXA4 RXA4 RXA3 RXA3 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
62. TL C NEG 2 IRQA N GPIO135 TSOSYNC GP CI TS DATA 0 7 2 CD N GPIO138 CI TS DATA O T20 GNE Y13 i5 T T NC 29 PCM 5V CTL lt I 2 WAIT N GPIO136 TSODATA_ GPIO80 77 CI TS DATA T from C SLO Nc 29 Nc 1 NC_29 et Nc 29 2 RESET GPIO137 TSODATA GPIO81 Fans CI TS DATAT2 NC 28 5 NC_28 NC_2 NC_28 Exa NC_28 Da TSODATA_ GP1082 AB12 CI TS DATA 3 NC 27 MHL_OCP_DET zg VARTI_TX GPIO46 TSODATA GP1083 Panna CI TS DATA Nc 27 Nc 3 Nc 27 c_3 NC_27 MHL_OCP_EN lt xs VARTI_ZRX GP1047 TSODATA_ 4 GP1084 fs CI TS DATATS NC_26 NC 26 NC 4 NC 26 ca NC 26 PM TXD lt n24 UART2_TX GPIO68 TSODATA GPIO85 Piar CI TS DATATS 1 07 PM RXD UART2 RX GPIO67 TSODATA GPIO86 CI TS DATAT 1 08 NC 5 1 08 C 5 1 07 B8 AB11 AUR d k MODEL_OPT_6 ag VART3_TX GPIO50 TSODATA GPIO87 LM c 1 06 or TE EEPR 1 07 NC_6 1 07 Ce 1706 IC104 MODEL OPT 7 UART3_RX GPIOS51 AC15 FE TS VAL ERR 1 05 1 E M TS1cLK GP10101 E FE TS SYNC R 1 06 RY BY 1 06 RAB 1 05 ZC scu CJ mc 22 Pad 12C SCKM2 DDCR_CK GPIO75 TS1VALID GPI99 E EE TSCDATA O ZI R 1 04 1 05 RE 1 05 RE 1 04 2C SDA I2C SDAM2 DDCR DA GPIO74 TS1SYNC GPIO100 mm zm zm J NC 25 eg SE eer 52 AD FE TS DATA O Internal demod out NC 25 CE NC 25 CE NC 25 S7LR M Multi Package RGB DDC SDA 5 DDCA DA UARTO TX rA 0 GP1091 Fors FE TS DATATI NC 24 SE Z NC_24 NC_7 NC_24 NC_7 NC_24 RGB DDC SCLC DDCA CK UARTO RX A_ 1 GPI092 111 FE TS DATA 2 NC 23 Sg E P
63. Use Only Only for training and service purposes 5 2 HDMI Input PC DTV HDMI PC support only Rear HDMI Input IF use DVI to HDMI cable for PC you have to use external SPK for PC audio sound eS 3 17040 10148 om m3 Ds o 3 16040 aam as mi VESNVOM oe 4 10000 am an 40 vesasvan oe 65 00 VESA KGA 0550 VESA WXGA PV 720 480 31 469 59 940 27 000 720 480 31 500 60 000 27 027 SDTV 480P SDTV 480P SDTV 576P HDTV 720P HDTV 720P ne an S9 ra rowo um am am mn am 0 ue emm an mn rowmor m 14 15 1920 1080 33 75 30 00 14 25 HDTV 1080P 16 1920 1080 33 71 29 97 74 176 HDTV 1080P x HDMI Monitor Range Limits Min Vertical Freq 58 Hz Max Vertical Freq 62 Hz Min Horiz Freq 30 kHz Max Horiz Freq 83 kHz Pixel Clock 160 MHz Copyright 2013 LG Electronics Inc All rights reserved 9 LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application This spec sheet is applied all of the LED TV with LJ36B chassis 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan whic al Unit Product Specification Standard 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 220V 5
64. acement 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 Inc All rights reserved Only for training and service purposes 3 Solder the connections CAUTION Maintain original spa
65. am version in USB Stick is Low 2 Select Tool Option 1 and Push OK butt it didn t work But your downloaded version is High USB eee 1901 91 1011 ano Sus PR data is automatically detecting 3 Show the message Copying files from memory 3 Punch in the number Each model has their number 4 Completed selecting Tool option Tool Tool Tool option4 option5 option6 Model Tool Tool Tool option1 option2 option3 32LA615B SC LGD 52 2440 32669 13576 43012 oe CES 2440 32669 13576 43012 ir d Cu 2440 32669 13576 43012 13576 43012 32LN540B 32LN5400 SH SA ES 2440 16281 13576 43012 39LN5400 SB SA ou 2070 2440 16281 13576 43012 4 Updating is staring Pr e e m om E ae 0 leee E aw oe e KEE EEE k e 0 0 ewe RS 232C Connection Method Connection PCBA USB Port gt USB to Serial Adapter UC 232A gt RS 232C cable gt PC RS 232C port Product name of USB to Serial Adapter is UC 232A x Caution LJ31 dm support only UC 232A driver only use this one PCBA USB Port USB to Serial Adapter RS 232C Cable PC RS 232C Port UC 232A 5 After updating is complete The TV will restart automatically 6 If TV turns on check your updated version and Tool option refer to the next page about tool option If downloading version is higher than your TV have TV can lost all channel data In this case you have to channel recover If all
66. ard Repair Process o Established Erroi C Audio error 2012 01 14 symptom No audio Normal video A16 N Check audio B 24V Y of Power Board voltage N Cancel OFF Replace Power Board and repair parts A15 Check user No audio pe Screen normal Speaker off ben N Check Speaker Somes Replace MAIN Board disconnection Y Replace Speaker Be First Do it Right Work Smart LGE Internal Use Only Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes Standard Repair Process i Established Error C Audio error ee 2012 01 14 3 t symptom Wrecked audio discontinuation noise Revised date BEEN 10 14 abnormal audio discontinuation noise is same after Check input signal compared to No audio A16 Check audio B Voltage 24V Check and replace speaker and connector Check input i Signal U P ormal External Input l signal N Discontinuation Noise only When RF signal is not received Request repair to external W cable ANT provider Discontinuation Noise only for External Ir In case of External Input signal error Check and fix external device Check and fix external device Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process os D Function error Established m
67. ase the B gain ii Decrease the one of the others 3 x target y target i First decrease B so make y a little more than the target ii Adjust x value by decreasing the R 4 x lt target y 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 STOP KEY after completing the function inspection LGE Internal Use Only 4 2 DPM operation confirmation Only Apply for MNT Model Check if Power LED Color and Power Consumption operate as standard m Set Input to RGB and connect D sub cable to set m Measurement Condition 100 240V 50 60Hz m Confirm DPM operation at the state of screen without Signal 4 3 DDC EDID Write HDMI 256Byte m Connect HDMI Signal Cable to HDMI Jack m Write EDID DATA to EEPROM 24C02 by using DDC2B protocol m Check whether written EDID data is correct or not For SVC Ass y EDID have to be downloaded 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 Auto Download m After enter Service Mode by
68. at 100mA SIGNAL 3KV min at 100mA 2 2 Poles SIGNAL 3KV min at 100mA 2 TEST time 1 second 3 TEST POINT D 3 Poles GND Test POWER CORD GND and SIGNAL CABLE GND Hi pot Test z POWER CORD GND and LIVE 8 NEUTRAL 2 2 Poles Hi pot Test Accessible Metal and LIVE amp NEUTRAL 4 LEAKAGE CURRENT At 0 5mArms 5 Local Dimming Function Check Step1 Turn on TV Step2 Press P only key enter to power 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 LGE Internal Use Only 6 3D Function Test Only 3D Model Pattern Generator MSHG 600 MSPG 6100 SUPPORT HDMI1 4 HDMI mode NO 872 pattern No 83 1 Please input 3D test pattern like below HDMI mode NO 872 pattern No 83 O K Foi zHD MI Mode 87281 Pattern Mo 83 2 When 3D OSD appear automatically then select OK button Foz so Key gt 3 Don t wear a 3D Glasses Check the picture like below Copyright 2013 LG Electronics Inc All rights reserved 18 Only for training and service purposes LGE Internal Use Only BLOCK DIAGRAM O al o 0 0 I E U g 0 S S MI9GXY 7OXN 09XY E o WOVXY SHVYXH IHOVXH D LOLLd 00LLd 10128644023
69. cing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously 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 c
70. condition by input External Input Component RGB HDMI DVI Replace 710 module Check Test pattern Check external device connection condition Request repair for external device External device screen error Color error j N Check S W Version e Y S W Upgrade orma N creen Y Be First Do it Rig t Work Smart Check screen condition by input External Input Component RGB HDMI DVI mponer error RGB error gt A8 A9 Check and replace Link Cable Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Established A Video error 2012 01 14 Vertical Horizontal bar residual image light spot external device color error Replace Module N Screen N Replace Main B D ormal2 e ormal e Connect other external device and cable Check normal operation of Replace Main B D External Input Component RGB and HDMI DVI by y connecting Jig pattern Generator Set top Box etc Request repair for external device Y Replace Main B D Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Established symptom All Check Power LED Stand By Red Check Power cord was inserted properly A13 Y DC Power on Replace Chec
71. e broken Freezing Revised date 4 14 symptom gt A5 Check RF signal cable Check RF Signal level Check whether other equipments have problem or not By connecting RF Cable at other equipment Set Top Box Different maker TV etc i Ap Y Check Check Replace S W Version Tuner soldering Main B D Contact with signal distributor or broadcaster Cable or Air Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Error symptom AJ Check color by input External Input COMPONENT RGB HDMI DVI A10 Check Test pattern A Video error ate MEE 01 14 Color error 5714 i A8 A9 XX Check and Y replace Link Cable LVDS and contact condition Color error Replace Main B D Replace module Check error color input mode Check external External Input Component arnal devi Cable device and cable RGB HDMI DVI error Check external i Y device and Replace Main B D cable Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Error symptom Vertical Horizontal bar residual image light spot AJ Check color
72. er 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 solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electri cally shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace ment ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting
73. error No video Normal audio 2012 11 17 E lt LPB MODELS gt exl Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Error E bi T LCD TV A Video error No video Normal audio 2012 11 17 Content Check White Balance value Ll ie lt ALL MODELS gt Tool Option Tool Option2 Tool Options Tool Option4 Tool Optiond Kn ER Country Grou ANF i e d White Balance 14 romi WD 16 Test Pattern 11 EDID D L 12 Sub B C 13 Ext Input Adjust 14 SPK Lipsync Adjust 15 SPDIF Lipsync Adjust 0 2 3 4 9 0 1 Entry method e Balance R Gain G Gain B Gain H Cut G Cut B Lut Test Pattern Backlight Reset 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 8 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD Be First Do it Right Work Smart Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes A3 i He First LGE Internal Use Only Standard Repair Process Detail Technical Manual i Established symptom A Video error No video Audio 2012 11 17 E Power Board voltage measuring method feig EE AA Check the DC 24V 12V 3 5V
74. ght 2013 LG Electronics Inc All rights reserved Only for training and service purposes 12 x Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C POWER ON gt Enter the mode of White Balance the pattern will come out Full White Pattern COLOR ANALYZER TYPE CA 210 R5 232C Communication Fig 5 connecting picture On Automatic Control e Auto control interface and directions 1 Adjust in the place where the influx of light like floodlight around is blocked Illumination is less than 10ux 2 Adhere closely the Color Analyzer CA210 to the module less than 10cm distance keep it with the surface of the Module and Color Analyzer s Prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 5 minutes Using no signal or full white pattern or the others check the back light on e Auto adjustment Map RS 232C RS 232C COMMAND CMD ID DATA vj g S White Balance Start White Balance End RS 232C COMMAND CENTER CMD ID DAN DEFAULT MAX a wm sz se cart Ler SEE IE EIE 80011 xr m we wm we m ral ICC ea assis sal ICC LGE Internal Use Only Manual W B process using adjusts Remote control TBD m Color analyzer CA100 CA210 should be used in the calibrated ch by C
75. he 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 service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE
76. ified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer A 300 rmm Set Stand NN N J N Stand Base SA Stand Body Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 20 LGE Internal Use Only IP for NON EU models except EU and China IP for CI slot PCM REG 7 PCM D O L 2 9 PCM OE L 2 9 PCM D 1 gt 9 PCM_WE o 0 PCM D 2 gt PCM IORD Co 9 PCM D 3 gt PCM IOWR 5 9 PCM D 4 o 0 PCM_CE D 0 PCM D 5 gt PCM IRQA 7 PCM D 6 D o PCM_CD D 0 PCM_D 7 L2 e PCM_ WAIT L 9 PCM RST gt 9 PCM 5V CTL Co 9 aver gt EP Cor SA S2 RESET L2 9 IHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WH
77. ircuit 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 spec sheet is applied all of the 32 42 47 50 LED TV 1 Performance LGE TV test method followed with LJ31B LJ36B chassis 2 Demanded other specification Safety CE IEC specification EMC CE IEC 2 Test condition Each part is tested as below without special notice 1 Temperature 25 C 5 C CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240V 50 60Hz 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
78. k Povver gt by pressing Power Key nba n Power On Remote control ARETAS AA B D cose Check ST BY 3 5V ST BY 3 5V A12 Replace Power B D Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Established zn Error B Power error pore 01 14 t EE Off when on off while viewing power auto on off Ga XR Replace Power B D Power B D Check outlet Check Povver Off Check A C cord Mode Replace Main B D Check for all 3 phase power out Fix A C cord amp Outlet A13 If Power Off mode Check Power B Check Power B D Replace Main B D voltage and check each 3 phase out X Caution Check and fix exterior of Power B D Part Replace Power B D Please refer to the all cases which Power off List can be displayed on power off mode EHE X REMOTEKEY Power off by REMOTE Sania POWEROTF dE OFFTIMER Power off by OFF TIMER POWEROFF SLEEPTIMER SLEEPTIMER Power off by SLEEP TIMER POWEROFF INSTOP Power off by INSTOP KEY POWEROFF AUTOOFF Power off by AUTO OFF a EE Power off by ON TIMER LPOWEROFF EES off by RS232C Abnormal e er T HB com off by CPU Abnormal Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Stand
79. l EES 3 5V_ST A FET_2 5V_AOS 3 3V_Normal A03435 0403 L BLM18PG121SN1D U a e e Arn e uw C425 C437 D405 C423 D Lut ug Du DOM R438 2 2uF 16V MT OBS 22K Hie R445 i 2 2K FET 2 5V DIODE S DMP2130L R443 Q403 1 POWER ON OFF 1 TOK x TE E e MMBT3904 NXP E NE NAAA E CG ZER core 1 15V volt 3 3V_Normal C447 R428 0 33uF 10K 16V t3 5V ST 1 10V_VDDC A A L413 CIC21J501NE WET L415 3 6uH e AV e THERMAL C430 17 C444 D404 lour C453 C456 e uE 5v 10V 70403 22uF 22uF hou OD TPS54319TRE 10v 10v SS TR I i a E C488 E i i 3300pF C439 td 50V 2 R432 100pF a 1 16W 330K 5 u Jo gt R436 C448 15K 3300pF 50V 3A Vout 0 827 1 R1 R2 we emm emm emm emm emm aD emm emm emm emm emm emm emm emm D D D ee MODEL se DATE BLOCK lt SHEET LGE Internal Use Only IR LED and Control t3 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 t3 5V ST 8 L600 BLM18PG121SN1D AN 9
80. l Use Only AUDIO AMP STASSOBWEF BRADA 10uH t3 3V Normal mm e e EE me SPK_L A LS Api und 0 22uF a 1000pF 23 23 d 50V 50V o Y 63402 SE e e SPEAKER L _ a id ne NC_13 16v 03413 15408 03421 11 3425 L casos gt lue oi mu Tue iev NC 15 SER e e e SPK L e e VDDDIGI GNDDIG1 FFX3A TE SA QI FFX3B STA38OBWF e L3404 C3404 ul EAPD FFX4A e 10uH 2 2uF TWARNEXT FFX4B TOR TP e EEE MEET gt SPK_R VREGEILT P508 330pF 6 22ur I000pE AGNDPLL Sea jop oo d s 50V 50V a u MCLK 16V R3410 R3411 SON e e SPEAKER R ES Go aue C3423 C3427 10uH 2288 OO 50V 50V GER e 0 e SPK_R 43 5V ST AUD MASTER CLK gt l L3401 24V E AUD LRCK EER 10K e e e AUD LRCH e ai 2507 03411 03412 aC 3215 EE R3403 2 LATE LU luF luF 0 1uF wem L OUF 10K 16V 50V 50V 50V 50V 35V 60 o 3216 R3404 100 AMP_RESET T e e S R3401 R3406 0 SE B Q3401 io AMP_SDA AMP_MUTE e MMBT3904 NXP 1000pF R3407 0 AMP SCL p E P3401 WAFER ANGLE
81. lt R3 A8 C es B MA9 lt A9 V e B MA10 C A1o ar v e C1227 lOuF NOV R7 2 pDRC1228 0 1uF B MA11 All V o e 7 2 pDRC1229 0 1uF B MA12 A12 BC V e T3 2 DDRC1230 0 1uF B MA13 A13 V o e 2 DDRC1231 0 1uF V e 7 2 DDRC1232 0 1uF V v e 2 DDRC1233 0 1uF V gt e M2 2 DDRC1234 0 1uF B MBAO lt V e B MCK 8 2 DDR1235 0 IuE B MBA1X eo e W M3 2 pppC1236 0 1uF on B MBA2 lt e e 2 DD N S 97 Oi 50V we pri N p ZB MCKE lt B MCKB lt L2 1 B MODT lt 3 J AVDD DDRO B MRASB lt 3 A B MCASB lt E R1232 B MWEB lt 10K T2 2 DDR B MRESETB lt e F3 B MDOSL lt _ C gt B MA14 G B MDOSLB lt c B MDQSU lt z B B MDOSUB lt E7 B MDML lt E D B MDMU lt E3 B MDQLO lt E B MDQL1 lt _ um B MDQL2 lt B MDQL3 lt 3 H B MDOL4 lt S H B MDQLS lt 5 G B MDQL6 lt S H B MDOQL7 lt D7 B MDQUO lt 5 B MDQU1 lt _ B MDQU2 lt 5 E B MDQU3 lt 3 A B MDQU4 lt _ M B MDQUS lt S B B MDQU6 lt 3 A B MDQU7 lt e R 1600 2G HYNIX DDR 1600 2G NANYA DDR 1600 2G NANYA IC1202 4 GA 2 0 1 5 DEL 2 OR KD L O2G63DFR PBC NT5CB128M16FP DI NT5CB128M16FP DI LUCK HEET LGE Internal Use Only Serial Flash for SPI boot OS 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 ESSENTIAL THAT ONLY MANUFATURES
82. mal A e e T R827 BN PP _ e R806 20K VBUS_EN R822 R823 10K Bk 8824 lt 8825 MHL OCP DET 804 Active Low oo y c 2 7K HAKS AK lt DDC_SDA_2 DDC_SDA_4 l R816 LOK DDC_SCL_2 DDC_SCL_4 MHL OCP EN i Active High L A B B B DB DB B B DB B B B BB BB B B B GP QD QD GP GP QD GP GDP HBD end 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 s THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE scuemetic LG Electronics MODEL 901 5719 DATE LG ELECTRONICA BLOCK mw ms SHEET e 2 Only for training and service purposes LGE Internal Use Only Copyright O 2013 LG Electronics Inc All right reserved 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 kie o 0 5 o IO e be Q VINPUT SPDIF OUT w Fiber Optic SHIELD FIX POLE 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 s ELSE D ee Ec JE LG ELECTRONICS BLOCK T El Copyright 2013 LG Electronics Inc
83. oid 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 three leads remaining on the circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the repl
84. operation checking method date A17 ALL MODELS SND MR TOSN B801F 2012 08 17 Test Only E CE gt a e ES xo en K2100 Checking order 1 2 Check IR cable condition between IR amp Main board 2 Check the st by 3 3V on the terminal 6 4 When checking the Pre Amp when the power is in ON condition it is normal when the Analog Tester needle moves slowly and defective when it does not move at all Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only
85. 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 no return path to the chassis the reading must be infinite An other abnormality exists that must be corrected before t
86. purposes LGE Internal Use Only Standard Repair Process Established Error A Video error Ges 2012 01 14 E No video No audio Revised date O 2 14 gt A4 Check various voltages Check and No Video p of Povver Board replace No audio 3 5V 12V 20V or 24V MAIN B D Replace Power Board and repair parts Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Established A Video error Aum nu Picture brokeny Freezing Revised date symptom 3 14 ar AS By using Digital signal level meter By using Diagnostics menu on OSD L Menu Set up Support Signal Test Signal strength Normal over 5096 Signal Quality Normal over 5096 Check RF Signal level Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc Check RF Cable Connection Check 1 Reconnection i 2 S W Version 2 Install Booster Check Tuner soldering Contact with signal distributor or broadcaster Cable or Air Replace Main B D Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process e Established EOF A Video error 2012 01 14 Tuning fail Pictur
87. pushing ADJ key m Enter EDID D L mode m Enter START by pushing OK key EZ ADJUST 0 Tool Optioni 1 Tool Option2 2 Tool Option3 3 Tool Option 4 Tool Option5 5 Tool Option6 6 7 8 9 1 Country Group ADC Calibration White Balance 10 Point WB 0 Test Pattern EDID D L 12 Sub B C 13 Ext Input Adjust x Edid data and Model option download RS232C ow tem oor fom om Enter When transfer Download the Mode In download Mode In i S Carry the com MODE y mand Edid data Automatically and Model Denia La E 10 download option The use of a download internal Data Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes 14 x Caution Use the proper signal cable for EDID Download Analog EDID Pin3 exists Digital EDID Pin3 exists Caution Never connect HDMI amp D sub Cable at the same time Use the proper cables below for EDID Writing Download HDMI1 HDMI2 separately because HDMI1 is different from HDMI2 For Analog EDID For HDMI EDID D sub to D sub DVI D to HDMI or HDMI to HDMI e EDID DATA 1 HD 2D EDID Data CheckSum Physical Address Ox9E LGE Internal Use Only 2 FHD 2D EDID Data Support Deep Color 10bit 4 HD 3D EDID Data CheckSum Physical Address Ox9E CheckSum Physical Address Ox9E IEEE HDMI o 1 2 ale ls Le lr ls fs Ne e fe llo LEF EN Loft 2
88. rom 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 AEn 7 t3 3V Normal AERE AB21 AE18 PF OE SS NC 25 nS PCM DTT A5 61 GPIO NF CE1Z GPIO mem 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 cen Oke os NC 8 NC 23 C102 10uF 10v 85 x x x x x PCM_A 1 S55 R 0 GPIO NF_CLE GPIO acto gt PF_CE1 3 3V_Normal R108 C101 3V_ i Oar TOY PCM ATZ m R 1 GPIO NF REZ GPIO m CO PF OE 0 1uF vec 1 VCC 2 CHANGE TO ba gt sie d T e 1I bd MUR aL A o a n PCMLATS Se R 2 GPIO NF WEZ GPIO PESE PF WE R105 vss_1 VSS 2 CLOS 5 ei i ed si PCM_AT4 SEN R 3 GPIO NF ALE GPIO XU PF_ALE IK e Ti e SS S 0 PCM ATS R 4 GPIO NF RBZ GPIO gt F RB NC 9 NC 22 95 E ex E r Anz R 5 GPIO 9 lt 1 LED R BUZZ PCM A 6 TTG NC 10 NC 21 PCM A 7 XH R 6 GPIO e AUD SCK PCM ALS mr R 71 GPIO CLE NC 20 AUD MASTER CLK R148 Ere H e AUD MASTER CLK 0 e ABIT 914 014 6 R GPIO GPIO_PM GPIO gt POWER DET PF_CE1 CD ALE 1 03 OPT 56 PCM A 10 AB20 PMIO K6 e PWM1 PCM ATI R 10 GP PM UART TX GPIO PM 1 GPIO7 gt PM TXD PF ALE C112 AA16 K5 T WE I 02 R 11 GP GPIO PM 2 GPIO8 CD INV CIL PF WE nd e PWMO PCM A 12 AA19 J6 V R 12 GP
89. y Ver 4438 POL DB LGD RF x2178 xxxx 7 480i Component OK 1080p Component OK HDMI1 OK HDMI2 OK 0x42 0x15 z ES 9 EIT y ai Vet Tim poes hot dos ED 398 008 gt H Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual PN Error A Video error Vertical Horizontal bar Established 5535 11 17 LCD TV symptom residual image light spot date N S REVISEC Content LCD TV connection diagram 1 date A7 As the part connecting to the external input check the screen condition by signal La Be First Do it Right Work Smart Copyright 0 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Established vaten A Video error Color error 2012 01 14 2 uu Revised Content Check and replace Link Cable LVDS and contact condition date A8 A9 ALL MODELS Be First Do it Right Work Smart Copyright O 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail Technical Manual Error sicco LCD TV son A Video error Color error 2012 11 17 Test Pattern Test Pattern Pattern Control Patten Control White Press

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