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LG Electronics 55LA643V-ZB Bedienungsanleitung

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Die Gebrauchsanleitung LG Electronics 55LA643V-ZB sollte vor allem folgendes enthalten:
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- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

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Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von LG Electronics 55LA643V-ZB zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von LG Electronics 55LA643V-ZB und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service LG Electronics finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von LG Electronics 55LA643V-ZB zu überspringen, wie es bei der Papierform passiert.

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In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts LG Electronics 55LA643V-ZB, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von LG Electronics 55LA643V-ZB widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    Printed in Korea P/NO : MFL67651309 (1304-REV00) CHASSIS : LD31B MODEL : 55LA643V 55LA643V -ZB 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[...]

  • Seite 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[...]

  • Seite 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 [...]

  • Seite 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 [...]

  • Seite 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[...]

  • Seite 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 LCD TV used LD31B/ LD36B chassis. 2. Requirement for T est Each par[...]

  • Seite 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[...]

  • Seite 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 [...]

  • Seite 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[...]

  • Seite 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 LCD TV with LD31B/ LD36B chassis. 2. Designation (1) The adjustment is according to the order which is designated and which must be f[...]

  • Seite 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 ART" key in service remote control. (2) Select "T ool Option 1" and push "OK" key . (3) Punch in the number . (Each model ha[...]

  • Seite 12

    - 12 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4. T otal Assembly line process 4.1. White Balance adjustment ▪ W/B Equipment condition CA210 : LED -> CH14, T est signal: Inner pattern(80IRE) ▪ Above 5 minutes H/run in the inner pattern. (“power on” key of adjust [...]

  • Seite 13

    - 13 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes How to adjust 1) In case G gain more than 172 Adjust R Gain and B Gain less than 192 2) if the G gain value be adjusted down to 172 G gain increase to 172 and R gain / B gain increase same as G gain increases. 3) if R Gain / B [...]

  • Seite 14

    - 14 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.5. Outgoing condition Configuration ■ 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) 5. HI-POT T est 5.1. HI-POT auto-c[...]

  • Seite 15

    - 15 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 7. MAC Address & CI+ key download 7.1 MAC Address 7.1.1 Equipment & Condition ▪ Play file : Serial.exe ▪ MAC Address edit ▪ Input Start / End MAC address 7.1.2 Download method (1) Communication Prot connection Con[...]

  • Seite 16

    - 16 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes BLOCK DIAGRAM TDSQ- G601 D(B) (LGIT) A TV _Video ( Analog) A TV _SIF ( Analog) LV DS (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 [...]

  • Seite 17

    - 17 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes A2 A7 A10 AG1 900 200 310 400 410 540 820 521 530 910 120 300 590 200T 500 501 301 510 121 L V1 * Set + Stand * Stand Base + Body Only LGD Module 200N Only LGD Module EXPLODED VIEW Many electrical and mechanical parts in this c[...]

  • Seite 18

    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[...]

  • Seite 19

    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[...]

  • Seite 20

    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[...]

  • Seite 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. IR/CONTROL 2012/07/18 6 NC4_S7LRM C607 0.1uF 16V OPT R601 [...]

  • Seite 22

    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-[...]

  • Seite 23

    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_[...]

  • Seite 24

    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_[...]

  • Seite 25

    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[...]

  • Seite 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. S_FLASH_OS 2012/06/20 13 NC4_S7LRM SPI_SCK +3.5V_ST +3.5V_[...]

  • Seite 27

    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[...]

  • Seite 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. PCMCI 2012/06/19 19 NC4_S7LRM FE_TS_DATA[7] CI_ADDR[4] CI_[...]

  • Seite 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. LAN 2012/06/21 21 NC4_S7LRM EPHY_RN EPHY_TN EPHY_TP JK2100[...]

  • Seite 30

    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_[...]

  • Seite 31

    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[...]

  • Seite 32

    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[...]

  • Seite 33

    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[...]

  • Seite 34

    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[...]

  • Seite 35

    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+[...]

  • Seite 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. REAR_JACK_EU 2012/06/19 28 NC4_S7LRM JK2801 PSC008-01 EU 1[...]

  • Seite 37

    [...]

  • Seite 38

    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[...]

  • Seite 39

    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[...]

  • Seite 40

    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[...]

  • Seite 41

    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[...]

  • Seite 42

    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[...]

  • Seite 43

    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 [...]

  • Seite 44

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only B. Po w er er ror 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 Mea[...]

  • Seite 45

    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[...]

  • Seite 46

    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[...]

  • Seite 47

    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. A udio error Wrecked audio/ discontinuation/noise W recked audio/ Discontin uation/ Noise for all audio Check and replace [...]

  • Seite 48

    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) operating error Check R/C itself Operation Normal operating? Normal operating? Y Close Replace R/C If R/C operate, Explain the customer ca[...]

  • Seite 49

    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, [...]

  • Seite 50

    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 nose is severe, replace the module (For models with fix inf[...]

  • Seite 51

    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[...]

  • Seite 52

    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 sympt om 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 [...]

  • Seite 53

    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 s ymp tom 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 Checki[...]

  • Seite 54

    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[...]

  • Seite 55

    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[...]

  • Seite 56

    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 [...]

  • Seite 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 Power Board voltage measuring method A . Video error_No video / A udio A4 Established date Revised date Error symptom Content LCD TV Check the DC 24V , 12V , 3.5V . 18 Pi n (Powe[...]

  • Seite 58

    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 te st => 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 st[...]

  • Seite 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 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[...]

  • Seite 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 LCD TV connection diagram (1) A . Video error _V ertical/Horizontal bar , residual image, light spot A s the pa rt connecting to the external input, check the screen condition by[...]

  • Seite 61

    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/ [...]

  • Seite 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 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[...]

  • Seite 63

    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 Def ect, CNT Broken T -Con Def ect, CNT Broken T -Con Def ect, CNT Broken Solder de fect, CNT Broken Solder defe ct, CNT Broken Solder de fect, CNT Broken Solder def ect, CNT Broken Abnormal Po[...]

  • Seite 64

    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 T ION GRADA T ION Abnormal Display A p pendix : Exchan ge T -Con Board (2)[...]

  • Seite 65

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

  • Seite 66

    Copyrigh t © 2013 LG Elect ronics. Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only A pp endix : 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.[...]

  • Seite 67

    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 AB IC Defect Gate T AB IC Defect Gate T AB IC Defect V ertical Line Source T AB IC Defect V ertical Block Source T AB IC Defect Horizontal Block Gate T AB IC Defect [...]

  • Seite 68

    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 er ror _No pow er A 11 Established date Revised date Error symptom Content LCD TV ST -BY condition: R ed Front LED control : Menu  Option ?[...]

  • Seite 69

    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 Pi n (Power B[...]

  • Seite 70

    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 er ror _No pow er A 13 Established date Revised date Error symptom Content LCD TV Check the DC 24V , 12V , 3.5V . 18 Pi n (Power Boar[...]

  • Seite 71

    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 ART button of the remote 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 w [...]

  • Seite 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 Checking method in menu when there is no audio C. Audio error_No audio/Normal video <ALL MODELS> A 15 Established date Revised date Error symptom Content LCD TV 2013. 01 .0[...]

  • Seite 73

    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[...]

  • Seite 74

    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-Amp when the power is in ON condition, it is normal when the Analog T ester needle [...]