LG Electronics 39LN54**-Z* manual

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Bom manual de uso

As regras impõem ao revendedor a obrigação de fornecer ao comprador o manual com o produto LG Electronics 39LN54**-Z*. A falta de manual ou informações incorretas fornecidas ao consumidor são a base de uma queixa por não conformidade do produto com o contrato. De acordo com a lei, pode anexar o manual em uma outra forma de que em papel, o que é frequentemente utilizado, anexando uma forma gráfica ou manual electrónicoLG Electronics 39LN54**-Z* vídeos instrutivos para os usuários. A condição é uma forma legível e compreensível.

O que é a instrução?

A palavra vem do latim "Instructio" ou instruir. Portanto, no manual LG Electronics 39LN54**-Z* você pode encontrar uma descrição das fases do processo. O objetivo do manual é instruir, facilitar o arranque, a utilização do equipamento ou a execução de determinadas tarefas. O manual é uma coleção de informações sobre o objeto / serviço, um guia.

Infelizmente, pequenos usuários tomam o tempo para ler o manual LG Electronics 39LN54**-Z*, e um bom manual não só permite conhecer uma série de funcionalidades adicionais do dispositivo, mas evita a formação da maioria das falhas.

Então, o que deve conter o manual perfeito?

Primeiro, o manual LG Electronics 39LN54**-Z* deve conte:
- dados técnicos do dispositivo LG Electronics 39LN54**-Z*
- nome do fabricante e ano de fabricação do dispositivo LG Electronics 39LN54**-Z*
- instruções de utilização, regulação e manutenção do dispositivo LG Electronics 39LN54**-Z*
- sinais de segurança e certificados que comprovam a conformidade com as normas pertinentes

Por que você não ler manuais?

Normalmente, isso é devido à falta de tempo e à certeza quanto à funcionalidade específica do dispositivo adquirido. Infelizmente, a mesma ligação e o arranque LG Electronics 39LN54**-Z* não são suficientes. O manual contém uma série de orientações sobre funcionalidades específicas, a segurança, os métodos de manutenção (mesmo sobre produtos que devem ser usados), possíveis defeitos LG Electronics 39LN54**-Z* e formas de resolver problemas comuns durante o uso. No final, no manual podemos encontrar as coordenadas do serviço LG Electronics na ausência da eficácia das soluções propostas. Atualmente, muito apreciados são manuais na forma de animações interessantes e vídeos de instrução que de uma forma melhor do que o o folheto falam ao usuário. Este tipo de manual é a chance que o usuário percorrer todo o vídeo instrutivo, sem ignorar especificações e descrições técnicas complicadas LG Electronics 39LN54**-Z*, como para a versão papel.

Por que ler manuais?

Primeiro de tudo, contem a resposta sobre a construção, as possibilidades do dispositivo LG Electronics 39LN54**-Z*, uso dos acessórios individuais e uma gama de informações para desfrutar plenamente todos os recursos e facilidades.

Após a compra bem sucedida de um equipamento / dispositivo, é bom ter um momento para se familiarizar com cada parte do manual LG Electronics 39LN54**-Z*. Atualmente, são cuidadosamente preparados e traduzidos para sejam não só compreensíveis para os usuários, mas para cumprir a sua função básica de informação

Índice do manual

  • Página 1

    Printed in Korea P/NO : MFL67729504 (1303-REV00) CHASSIS : LD31B/LD36B MODEL : 39LN54** 39LN54**-Z* CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. LED TV SER VICE MANUAL North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only[...]

  • Página 2

    - 2 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ........................................................................ 3 SERVICING PRECAUTIO[...]

  • Página 3

    - 3 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View . It is essential that these special safety parts should [...]

  • Página 4

    - 4 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SER VICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE : If unforeseen circumstances [...]

  • Página 5

    - 5 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent at against the cir- cuit foil. When holes are the slotted type, the following technique shoul[...]

  • Página 6

    - 6 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1. Application range This specification is applied to the LED TV used LD31B/ LD36B chassis. 2. Requirement for T est Each par[...]

  • Página 7

    - 7 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Item Specication Remarks 2 Broadcasting system Analogue TV 1) P AL-BG 2) P AL-DK 3) P AL-I/I’ 4) SECAM-BG 5) SECAM-DK 6) SECAM L/L ’ Digital TV 1) DVB-T/C/T2 Satellite Digital TV 1) DVB-T/C/S/S2 Analogue TV : (RF) VHF[...]

  • Página 8

    - 8 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 5. V ideo resolutions (2D) 5.1. Component Input (Y , C B /P B , C R /P R ) No. Resolution H-freq(kHz) V -freq(Hz) Pixel clock(MHz) Proposed 1 720*576 15.625 50.00 13.5 SDTV ,DVD 576I 2 720*480 15.73 60.00 13.5135 SDTV ,DVD 480I [...]

  • Página 9

    - 9 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 6. V ideo resolutions (3D) 6.1. HDMI Input No. Resolution H-freq(kHz) V -freq(Hz) Pixel clock(MHz) Proposed 3D input proposed mode 1. 1920*1080 53.95 / 54 23.98 / 24 148.35/148.5 HDTV 1080P Frame packing 2. 1280*720 89.9 / 90 59[...]

  • Página 10

    - 10 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes ADJUSTMENT INSTRUCTION 1. Application Range This specification sheet is applied to all of the LED TV with LD31B / LD36B chassis. 2. Designation (1) The adjustment is according to the order which is designated and which must be [...]

  • Página 11

    - 1 1 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes * After downloading, have to adjust T ool Option again. (1) Push "IN-ST AR T" key in service remote control. (2) Select "T ool Option 1" and push "OK" key . (3) Punch in the number . (Each model h[...]

  • Página 12

    - 12 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 3.4 Function Check - Check display and sound ■ Check Input and Signal items. 1) TV 2) A V (SCART / CVBS) 3) COMPONENT (480i) 4) HDMI * Display and Sound check is executed by Remote control. <Caution> Not to push the INS[...]

  • Página 13

    - 13 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes * Manual W/B process using adjust Remote control. ▪ After enter Service Mode by pushing "ADJ" key , ▪ Enter White Balance by pushing " ► " key at "8. White Balance". * CASE Cool Mode First ad[...]

  • Página 14

    - 14 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.4. MHL T est (1) T urn on TV (2) Select HDMI2 mode using input Menu. (3) Set MHL Zig(M1S0D3617) using MHL input, output and power cord. (4) Connect HDMI cable between MHL Zig and HDMI4 port. R es u lt ) If, The LED light is g[...]

  • Página 15

    - 15 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes * Manual Download(Model Name and Serial Number) If the TV set is downloaded by OT A or Service man, sometimes model name or serial number is initialized.(Not always) There is impossible to download by bar code scan, so It need [...]

  • Página 16

    - 16 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 7.2 LAN Inspection 7.2.1. Equipment & Condition ▪ Each other connection to LAN Port of IP Hub and Jig 7.2.2. LAN inspection solution ▪ LAN Port connection with PCB ▪ Network setting at MENU Mode of TV ▪ Setting auto[...]

  • Página 17

    - 17 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes LV D S (F HD /50H z) S PK L/R F P C (51P) A UD_MASTER_CLK, A UD_L R CH , A UD_L R CK , AUD_SC K SPI CONT R O L IR & LE D / (T ACT SWITCH) LE D _ R KE Y1 KE Y2 IR I2C SE R IA L FLA S H IC130 0 ( 8 M b it ) MX 25L 8005M2I E E[...]

  • Página 18

    - 18 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes TDSQ- G601 D(B) (LGIT) A TV _Video ( Analog) A TV _SIF ( Analog) LV D S (F HD /50H z) Aud i o AMP S TA 3 8 0 BW F S PK L/R X - t a l 24M F P C (51P) A UD_MASTER_CLK, A UD_L R CH , A UD_L R CK , AUD_SC K SPI CONT R O L IR & [...]

  • Página 19

    - 19 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes S PDIF Co mponent1 TDSS - G501 D(B ) (LGIT) A IF, DIF SI F S7L R - M (L GE 212 1 - MS) IC 101 US B DP/ DM S PK L/R X - t a l 24M A UD_MASTE R _ C L K, A UD_L R CH , A UD_L R CK , AUD_SC K SPDI F C VB S, Y/ Pb/ Pr, L/R R e a r S[...]

  • Página 20

    - 20 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes A2 A9 A10 900 200 400 540 521 530 500 301 910 120 300 510 123 122 Set + Stand Stand Base + Stand Body L V1 EXPLODED VIEW Many electrical and mechanical parts in this chassis have special safety-related characteristics. These pa[...]

  • Página 21

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/07/05 MAIN1_EU_OS 1 NC4_S7LRM PCM_D[0] PCM_A[3] CI_TS[...]

  • Página 22

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/07/05 MAIN2_EU_OS 2 NC4_S7LRM L205 HEAD_PHONE 5.6uH A[...]

  • Página 23

    THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Power_PD2 2012/09/19 4 NC4_S7LRM R[...]

  • Página 24

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. IR/CONTROL 2012/07/18 6 NC4_S7LRM C607 0.1uF 16V OPT R601 [...]

  • Página 25

    USB DOWN STREAM THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 12/06/20 USB 7 NC4_S7LRM JK700 3AU04S-305-[...]

  • Página 26

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/07/12 HDMI_R1_S1 8 NC4_S7LRM D2+_HDMI2 DDC_SCL_2 CEC_[...]

  • Página 27

    Fiber Optic Fiber Optic THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SPDIF 12/06/12 10 NC4_S7LRM +3.3V_[...]

  • Página 28

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. M1_DDR (2DDR) 2012/07/16 12 NC4_S7LRM A-MDMU B-MDQL2 B-MDQ[...]

  • Página 29

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. S_FLASH_OS 2012/06/20 13 NC4_S7LRM SPI_SCK +3.5V_ST +3.5V_[...]

  • Página 30

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/06/20 HEADPHONE 15 NC4_S7LRM R1500 3.3K HEAD_PHONE_PO[...]

  • Página 31

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCMCI 2012/06/19 19 NC4_S7LRM FE_TS_DATA[7] CI_ADDR[4] CI_[...]

  • Página 32

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LAN 2012/06/21 21 NC4_S7LRM EPHY_RN EPHY_TN EPHY_TP JK2100[...]

  • Página 33

    THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/06/19 TUNER_EU 26 NC4_S7LRM FE_TS_DATA[5] FE_[...]

  • Página 34

    THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/06/19 LNB 27 NC4_S7LRM R2701 0 C2709 0.1uF 50[...]

  • Página 35

    THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/08/29 AMP_STA380BWEF 34 NC4_S7LRM SPK_L+ +3.5[...]

  • Página 36

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 2012/06/20 MSTAR DEBUG_4PIN 39 NC4_S7LRM RGB_DDC_SCL RGB_D[...]

  • Página 37

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. RS232C_4P_OS 2012/06/20 40 NC4_S7LRM PM_RXD +3.5V_ST R4001[...]

  • Página 38

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LVDS_EU 2012/06/22 11 NC4_S7LRM R1100 3.3K OPT RXB0- RXA0+[...]

  • Página 39

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. REAR_JACK_EU 2012/06/19 28 NC4_S7LRM JK2801 PSC008-01 EU 1[...]

  • Página 40

    [...]

  • Página 41

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Normal audio Y N Move to No video/No audio No video Normal audio Check Back Light On w ith naked eye On Y N Check Pow er Board 24v, 12v,3.5v etc . Normal voltage Y N Replace T-con Board or module Repair Power Board or parts Che[...]

  • Página 42

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Normal voltage? Check v ario us voltages of Pow er Board ( 3.5V,12V,20V or 24V…) No Video/ No audio Check and replace MAIN B/D Y Replace Pow er Board and repair parts N End Standard Repair Process A . Video err or No video/ N[...]

  • Página 43

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only A . Video error Picture broken/ Freezing Y N ☞ A5 N Check RF Signal level Normal Signal? Check RF Cable Connection 1. Reconnection 2. Install Booster Check S/W Version S/W Upgrade Check whether other equipments have problem o[...]

  • Página 44

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only A . Video err or Tuning fail, Picture broken/ Freezing Y N ☞ A5 Check RF Signal level Normal Signal? Check S/W Version S/W Upgrade SVC Bulletin? Normal Picture? Y N Y Close Check RF signal cable (DVB satellite si g nal or not[...]

  • Página 45

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Color error? Y N ※ Check and replace Link Cable (LVDS) and contact condition Y N Replace M ain B/D Color error? Check error color input mode Check color by input -External Input -COMPO NENT -RGB -HDMI/DVI Y External device /C[...]

  • Página 46

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Screen normal? N Y Check ex ternal device connecti on conditio n Y N Check and replace Link Cable Normal? Y Screen normal? Replace module Check color condition by input -External Input -Component -HDMI End V ertical/Horizontal [...]

  • Página 47

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only B. Po w er error No power Power LED On? Y N DC Pow er on by pressing Pow er Key On Remote control Y N Normal operation? Check Power On ‘”High” Check Pow er cord was inserted properly Check Power LED Replace Power B/D Meas[...]

  • Página 48

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only B. Power error Off when on, off while viewing, power auto on/off Error? N Y Check Power Off Mode Fix A/C cord & Outlet and check each 3 phase out Check A/C cord Check for all 3 - phase power out Check outlet Replace M ain B[...]

  • Página 49

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only No audio Screen normal Check user menu > Speaker off Off N Y Cancel OFF Check audio B+ 24V of Power Board Normal voltage Y N Replace Pow er Board and repair parts Check Speaker disconn ection N Y Replace Speaker Replace M AI[...]

  • Página 50

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only → abnormal audio/discontinuation/noise is same after “Check input signal” compa red to No audio C. Au dio error Wrecked audio/ discontinuation/noise W recked audio/ Discontin uation/ Noise for all audio Check and replace [...]

  • Página 51

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only D. Fu nction error Remote control & Local switch checking Y N 1. Remote control(R/C) op erating error Check R/C itself Operation Normal operating? Normal operating? Y Close Replace R/C If R/C operate, Explain the customer c[...]

  • Página 52

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Check technical inform ation - Fix information - S/W Version N Y Technical informatio n? Check input signal Signal input? Y N External Input and Component Recognitio n error Check and fix external dev ice/cable RGB,HDM I/ DVI, [...]

  • Página 53

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Check locati on of noi se Identify nose type Circuit noise Replace PS U(with LED driver) Replace LED driver Mechanical noise Check locati on of noi se OR ※ W hen the no se is severe, replace the module (For models with fix in[...]

  • Página 54

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Replace module Zoom part w ith exterior damage Modu le damage Cabinet damage Replace cabine t Replace remote controller Remote controller damage Stand dent Replace stand F . Exterior defect Exterior defect Established date Revi[...]

  • Página 55

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Contents of LCD TV Standard Repair Process Detail T echnical Manual No. Error s ymp tom Conte nt Page Rema rks 1 A. Vi deo error_ No video/Normal audio Check LCD back light with naked eye A1 2 LED driver B+ measu ring method A2[...]

  • Página 56

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Contents of LCD TV Standard Repair Process Detail T echnical Manual N o. Error sympt om Conte nt Page Remar ks 21 B. Power error_No power Check front display LED A11 22 Check power inpu t Voltage & ST-BY 3.5V A12 23 Checkin[...]

  • Página 57

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Check Back Light On with naked ey e A . Video error_No video /Normal aud io <ALL MODELS> A1 Established date Revised date Error symptom Content LCD TV Power On -> disjoi[...]

  • Página 58

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Inverter B+ 24V measuring method A . Video error_No video /Normal aud io A2 Established date Revised date Error symptom Content LCD TV Measure DC 93.2~1 18.5V ap plying to Module[...]

  • Página 59

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Check White Balance value A . Video error_No video /Normal aud io <ALL MODELS> A3 Established date Revised date Error symptom Content LCD TV Entry me thod 1. Press the ADJ [...]

  • Página 60

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Power Board voltage measuring method A . Video error_No video / A ud io A4 Established date Revised date Error symptom Content LCD TV Check the DC 24V , 12V , 3.5V . 18 Pin (Powe[...]

  • Página 61

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only MENU => Press red key Remote controlle r=>signal test => Select channel W hen the signal is strong, use the attenuator (-10dB , -15dB, -20dB etc.) Standard Repair Process Detail T echnical Manual TUNER input signal str[...]

  • Página 62

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual LCD-TV Version checking method A . Video error_Video error , v ideo lag/stop 1. Checking method for remote controller for adjustment Press the IN-ST ART with the remote controlle[...]

  • Página 63

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual LCD TV connection diagram (1) A . Video error _V e rtical/Horizontal bar , residual image, light spot A s the pa rt connecting to the external input, check the screen condition b[...]

  • Página 64

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only 1. Check and replace LVD S Cable 2. Check LVDS connection condi tion Standard Repair Process Detail T echnical Manual Check and replace Link Cable(LVDS) and contact condition A. V ideo error_Color error <ALL MODELS> A 8/A[...]

  • Página 65

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual A djustment T est pattern - ADJ Key A . Video error_Color error Y ou can view 6 ty pes o f patterns using the ADJ Key Checking item : 1. Defective pix el 2. Residual image 3. MOD[...]

  • Página 66

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Solder de fect, CNT Broken T -Con Defe ct, CNT Broken T -Con Defe ct, CNT Broken T -Con Defe ct, CNT Broken Solder de fect, CNT Broken Solder defe ct, CNT Broken Solder de fect, CNT Broken Solder def ect, CNT Broken Abnormal Po[...]

  • Página 67

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Abnormal Power Section Solder de fect, Short/Crack Abnormal Power Section Solder de fect, Short/Crack Fuse Open, Abnormal power section Noise GRADA TION GRADA TION Abnormal Display A ppendix : Exchang e T -Con Board (2)[...]

  • Página 68

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only A ppendix : Exchange PSU(LED driv er) No Lig ht Dim Lig ht Dim Lig ht Dim Lig ht No picture/Sound Ok[...]

  • Página 69

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only A ppendix : Exchange the Module (1) Panel Mura, Light leakage Press damage Crosstalk Crosstalk Press damage Panel Mura, Light leakage Press damage Un -repairable Case s In this ca se pl ease exchange the module.[...]

  • Página 70

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only V ertical Block Source T AB IC Defect Horizontal Block Gate T A B IC Defect Gate T A B IC Defect Gate T AB IC Defect V ertical Line Source T AB IC Defe ct V e rtical Block Source T AB IC Defect Horizontal Block Gate T A B IC De[...]

  • Página 71

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Check front display LED B. Po w er error _N o pow er A 11 Established date Revised date Error symptom Content LCD TV ST -BY condition: Red Front LED control : Menu  Option [...]

  • Página 72

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Check power input voltage and ST-BY 3.5V B. Power error _No power A 12 Established date Revised date Error symptom Content LCD TV Check the DC 24V , 12V , 3.5V . 18 Pin (Power Bo[...]

  • Página 73

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Checking method when pow er is ON B. Po w er error _N o pow er A 13 Established date Revised date Error symptom Content LCD TV Check the DC 24V , 12V , 3.5V . 18 Pin (Power Board[...]

  • Página 74

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Entry method 1. Press the IN-ST AR T button of the remo te controller for adjustment 2. Check the entry into adjustment item 3 Standard Repair Process Detail T echnical Manual POWER OFF MODE checking method B. Power error _Off [...]

  • Página 75

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Standard Repair Process Detail T echnical Manual Checking method in menu when there is no audio C. A udio e rror_No audio/Normal v ideo <ALL MODELS> A 15 Established date Revised date Error symptom Content LCD TV 2013. 01[...]

  • Página 76

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Checking order when there is no audio ① Check the con tact condition of or 24V connector of Main Board ② Measure the 24V input v olta ge supplied from Power Board (If there is no input voltage, remo ve and check the connect[...]

  • Página 77

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only Checking order 1, 2. Check IR cable condition between IR & Main board. 3. Check the st-by 3.5V on the terminal 4. 4. W hen checking the Pre-Am p w hen the power is in ON condition, it is norma l when the Analog T ester need[...]