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LG Electronics 42LG6000 manual

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Table of contents for the manual

  • Page 1

    LCD TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LD89F MODEL : 42LG6000 42LG6000-ZA 42LG6100 42LG6100-ZB website:http://biz.LGservice.com Internal Use Only Downloaded From TV-Manual.com Manuals[...]

  • Page 2

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 2 - CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICA T[...]

  • Page 3

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n t h e Schematic Diagram and Replacement Parts List. It is essential that t[...]

  • Page 4

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 4 - CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict betwe[...]

  • Page 5

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 5 - IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique shoul[...]

  • Page 6

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 6 - SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1. General Specification(TV) No. Item Specification Remark 1. Video input applicable system PAL-D/K, B/G, I, SECAM 2. Rece[...]

  • Page 7

    - 7 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 2. General Specification(LCD Module) No Item Specification Unit Remark 1. Panel 37" TFT WUXGA LCD 37LG6000 42" TFT WUXGA LCD 42LG6000 47" TFT WUXGA LCD 47LG6000 2. Frequency range H : 64.1 ~ 67.5Khz, V : 57 ~ 6[...]

  • Page 8

    C 2008 - 8 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. Optical Feature(LCD Module) No. Item Specification Min. Typ. Max. Remark 1. Viewing Angle(CR>10) R/L, U/D 178, 178 2. Luminance Luminance (cd/m2) 400 500 42" without PC (PC: min 300) Variation - 1.3 MAX / MIN 3. Co[...]

  • Page 9

    4. Optical Feature(SET) - 9 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 No. Item Specification Min. Typ. Max. Remark 1. Luminance Luminance (cd/m2) 400 450 HDMI 350 400 RF, AV, RGB Variation - 1.3 MAX / MIN 2 Contrast Ratio CR(37") 900 1400 All white/All black CR(42&q[...]

  • Page 10

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 10 - 7. HDMI DTV No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) Proposed Remark 1. 640x480 31.469 59.94 25.175 SDTV 480p 60Hz 2. 640x480 31.469 60 25.20 SDTV 480p 60Hz 3. 720x480 31.47 59.94 27.00 SDTV 480p 60Hz 4. 720x48[...]

  • Page 11

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 11 - No, Item Content Remark 1 Product Dimenson Width(W) Length(D) Height(H) Unit Before Packing 929 374.7 707 mm After Packing 1015 277 782 mm 2 Product Weight Only SET 21.7 Kg With Box 26.2 Kg 3 Container Loading Quantity Indiv[...]

  • Page 12

    - 12 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 No, Item Content Remark 1 Product Dimenson Width(W) Length(D) Height(H) Unit Before Packing 1152.8 434.5 867.6 mm After Packing 1255 521 961 mm 2 Product Weight Only SET 32.6 Kg With Box 37 Kg 3 Container Loading Quantity In[...]

  • Page 13

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 13 - ADJUSTMENT INSTRUCTION 1. Application Range This spec. sheet is applied to all of the LD89F chassis manufactured at LG TV Plant all over the world. 2. Specification 2.1 Because this is not a hot chassis, it is not necessary [...]

  • Page 14

    - 14 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 5. PCMCIA CARD Checking Method • You must adjust DTV 29 Channel and insert PCMCIA CARD to socket. 1) If PCMCIA CARD works normally, normal signals display on screen. But it works abnormally, "No CA module" words [...]

  • Page 15

    - 15 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 1-1. The whole flowchart which it follows in voltage output state 1. Power Board No No No Start check Does not s creen w hole comes out? Does not low voltag e output comes out? Does not Inverter signal outp ut comes out? No [...]

  • Page 16

    C 2008 - 16 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only A power cord is plugged in with TV set? Plug the power cord in. No Is AC-INLET connected w ith the power board? Yes C onnect the AC-INLET. No Are the fuses(F100, F101 or F700) OK on the power board? Yes Re pl ace the fuses. [...]

  • Page 17

    C 2008 - 17 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Symptom 1) No OSD and image occur on the screen. 2) It maintains the condition with the front LED is white. Check the followings D oes Module control signal OK? No Yes Is the Inverter OK? Is Low/High vo ltage outputs properl[...]

  • Page 18

    C 2008 - 18 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Downloaded From TV-Manual.com Manuals[...]

  • Page 19

    - 19 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 2) In case of abnormal display on the screen in specific mode Symptom 1) The screen does not display the picture from specific input mode (R F,DTV, AV, Component, RGB, HDMI). Check the followings Is the input voltage and CVB[...]

  • Page 20

    - 20 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 In the case of abnormal display on the screen when side AV1,2 / AV3 mode. Same as Block A In the case of abnormal display on the screen when Component, RGB mode. In the case of abnormal display on the screen when HDMI1,2,3 m[...]

  • Page 21

    - 21 - Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 No Yes Is All input (mode) no sound? Is Only HDMI no sound? Is the output speaker turned on? No Set the output speaker on. Do wnload the EDID data. No Is a speaker cable connected? No C onnect the speaker cable. Yes Yes Is O[...]

  • Page 22

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 22 - BLOCK DIAGRAM Downloaded From TV-Manual.com Manuals[...]

  • Page 23

    C 2008 Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only - 25 - EXPLODED VIEW 300 200 801 400 901 900 540 820 530 580 810 120 500 121 560 510 803 804 570 840 520 830 805 802 Downloaded From TV-Manual.com Manuals[...]

  • Page 24

    Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 3.3K R127 +3.3V_CI 470 R144 3.9K R166 V_SYNC_PC 3.3uH L100 1000pF C106 READY REC_8_CTRL1 ATMEL AT24C02BN-10SU-1.8 0IMMRAL014D EEPROM IC102 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC D119 330 R146 D126 H_SYNC_PC THE SYMBOL MARK OF [...]

  • Page 25

    Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 TX1_BUF+ 0.1uF C519 VGA_G TX0_BUF- 0.1uF C511 TXCLK_BUF- 0.1uF C501 22 R503 TXCLK_BUF+ TX1_SW- 22 R529 0.1uF C512 22 R526 0.1uF C509 SCART1_R TX1_SW+ TX2_BUF+ SCART1_G VGA_R TX0_SW- COMP_Pr TX0_BUF+ 22 R523 TXCLK_SW+ 0.1uF C502 COM[...]

  • Page 26

    Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only C 2008 0.1uF 16V C905 4.7K R927 1K R928 22 R932 33pF 50V C906 RESET SDA2_3.3V SCL2_3.3V SDA_HDMI_SW SCL_HDMI_SW DDC_SDA_4 DDC_SCL_4 100 R907 100 R906 100 R905 100 R904 100 R90 3 100 R902 100 R901 100 R900 RESET THE SYMBOL MARK OF THIS SCH[...]

  • Page 27

    Jan., 2008 Printed in Korea P/NO : MFL41557601 Downloaded From TV-Manual.com Manuals[...]