Page of 46

Advertisement

LED LCD TV
CHASSIS : LT21B
MODEL : 32LM5800
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67362818 (1204-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
32LM5800-DB
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

Advertisement

   Also See for LG 32LM5800

   Related Manuals for LG 32LM5800

   Summary of Contents for LG 32LM5800

  • Page 1: Service Manual

    Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LT21B MODEL : 32LM5800 32LM5800-DB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67362818 (1204-REV00) Printed in Korea...

  • Page 2

    SCREW ASSEMBLY WORKING GUIDE ..........19 TROUBLE SHOOTING ................20 BLOCK DIAGRAM .................. 26 EXPLODED VIEW .................. 27 SCHEMATIC CIRCUIT DIAGRAM .............. - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions, Important Safety Notice

    An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Specification

    1) Performance: LGE TV test method followed 2) Demanded other specification - Safety : UL, CSA, IEC specification - EMC: FCC, ICES, IEC specification - 4 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: General Specification

    LC420EUE-SEM1(60Hz/FHD) 42.00” Color WUXGA TFT-LCD Module T420HVN01.1(60Hz/FHD/AUO) 42.02” Color WUXGA TFT-LCD Module LC420WUE-SCA2(60Hz/FHD/EEFL) 42.02” Color WUXGA TFT-LCD Module T420HVN02.1(60Hz/FHD/EEFL/AUO) - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6

    983.0 X 576.0 X 46.0 LC420WUE-SCA2(60Hz/FHD/EEFL) 31.55 760.0 X 450.0 X 48.0 LC320WUN-SCA2(60Hz/FHD/EEFL) 42.02 983.0 X 576.0 X 52.65 T420HVN02.1(60Hz/FHD/EEFL/AUO) - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7

    1360*768 47.72 59.8 84.75 WXGA 1280*1024 63.981 60.02 108.00 SXGA FHD model 1920*1080 66.587 59.93 138.625 WUXGA FHD model - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8

    29.976 / 30.00 74.25 HDTV 1080P 1920*1080 56.250 148.5 HDTV 1080P 1920*1080 67.43 / 67.5 59.94 / 60 148.35/148.50 HDTV 1080P - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9

    Side by Side, Top & Bottom, Checkerboard Single Frame Sequential 1920*1080 56.25 148.5 HDTV 1080P Side by Side, Top & Bottom, Checkerboard Single Frame Sequential - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Adjustment Instruction

    => If you push “Power on” key, TV set will recover channel information by itself. (7)...OK 3).After function inspection, Push “In-stop” key. - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Only For Training And Service Purposes

    In this case, you have to channel recover. If all channel data is cleared, you didn't have a DTV/ATV test on production line. - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12

    ▪ ad 00 10 [Adjust 1024*768 RGB] ▪ aa 00 90 End Adjust mode * Required equipment : Adjustment R/C. - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13

    2) connect each other LAN Port Jack. 3) Play Test (F9) button and confirm OK Message. 4) Remove LAN CABLE - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14

    ※ Push The “IN STOP KEY” after completing the function inspection. And Mechanical Power Switch must be set “ON”. - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15

    Hex Data Manufacturer ID 1E6D Version Digital : 1 Revision Digital : 3 HDMI number is dependent on model. - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 16

    * EDID data for FHD 2DTV(Support deep color) 10bit (Model name = LG TV) * EDID data for HD 2DTV ( Model name = LG TV ) - HDMI EDID table (0x1E : Physical Address) - HDMI EDID table (0x1E : Physical Address)

  • Page 17

    - If Test is failed, Buzzer operate color Deep color - If Test is passed, GOOD Lamp on and move to next process automatically. - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18

    Step 3) confirm the Local Dimming mode Step 4) Press “exit” Key 3) Don’t wear a 3D Glasses, Check the picture like below . - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 19

    Module will get damaged Module will get damaged • FAB31339201 (M3*L10, BK, Taptite) • 9EA • FAB30016122 (M4*L20, BK, Taptite) • 4EA - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 20: Trouble Shooting

    Fail part of Q403, IC407, IC401 IC402, IC403 Fail Check LED Assy Change LED Assy Pass Check P403 Connector - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 21

    Or Inverter Or Inverter Pass Fail Check Output of IC1401 Change IC1401 Pass Fail Check LVDS Cable Change LVDS Cable - 21 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 22

    Pass Fail Check the Input/Output Re-soldering or Of IC101 Change the defect part Pass Repeat [A], & [B] Process - 22 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23

    Fail Pass Of IC101 Change the defect part Pass Repeat [A], & [B] Process Repeat [A], & [B] Process - 23 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24

    Change the defect part Of IC101 Change the defect part Pass Pass Repeat [A], & [B] Process Repeat [A], & [B] Process - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 25

    Re-soldering or Of IC501 Change the defect part Pass Fail Check The Speaker Change Speaker Pass Check The Speaker Wire - 25 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 26: Block Diagram

    BLOCK DIAGRAM - 26 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 27 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 28

    2011.12.01 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. FLASH/EEPROM/GPIO Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 29

    ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER,IN/OUT,H/W OPT Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 30

    2011.07.07 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TP_NON_EN Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 31

    2011/11.22 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR POWER_LARGE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 32

    2011/11/16 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR IR/CONTROL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 33

    10/08/13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR USB_OCP_DIODE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 34

    2011.10.04 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 35

    2011/09/27 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR RGB-PC/SPDIF THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 36

    2011/08/13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR RS232C_PHONE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 37

    2011/11/14 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LVDS_LARGE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 38

    2011/06/03 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR DDR_256 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 39

    2011.10.11 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR TUNER_NON_EU THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 40

    2011/10/04 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR HEADPHONE THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 41

    2011.10.04 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. NTP-7500 Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 42

    2011.11.28 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. REAR_NON_EU_L Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 43

    FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR ETHERNET THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 44

    ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Serial FLASH Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 45

    ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR MSTAR DEBUG_4PIN THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright ⓒ 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

Comments to this Manuals

Symbols: 0
Latest comments: