LG FLATRON 29UM55 Service Manual
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LG FLATRON 29UM55 Service Manual

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COLOR MONITOR

SERVICE MANUAL

CHASSIS NO. : LM14P
MODEL:
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67715298(1406-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
29UM55
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in China

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Summary of Contents for LG FLATRON 29UM55

  • Page 1: Color Monitor

    Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com COLOR MONITOR SERVICE MANUAL CHASSIS NO. : LM14P 29UM55 MODEL: CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67715298(1406-REV00) Printed in China...

  • Page 2: Table Of Contents

    SPECIFICATIONS..................6 TIMING CHART ..................11 ADJUSTMENT ..................14 BLOCK DIAGRAM...................18 TROUBLE SHOOTING ................19 EXPLODED VIEW .................. 22 SVC. SHEET ....................Copyright © 2010 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
  • Page 3 CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation. Copyright © 2010 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Precaution

    Copyright © 2010 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2010 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Contents

    Output: DC 19V 2.1A Power Adapter Weight : 190g P/No Specification Applying module list EAJ62987701 LM290WW2-SSA1 Etc (accessory) Manual CD Support Copyright © 2010 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...

  • Page 7: Specifications

    Cool White Typ-0.03 Typ+0.03 (9300K) 0.298 0.660 0.331 0.306 Warm GREEN Typ-0.03 Typ+0.03 (6500K) 0.609 0.149 BLUE 0.062 Copyright © 2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 Conditio Temperature Storage -20 °C ~ 60 °C Humidity 5% ~ 90% non-condensing MENU Brightness 1 - 100 Copyright © 2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 AUDIO MUTE ON/OFF SOUND MONO/STEREO LANGUAGE English/German/French/Esperanto Italian/Korean Function Support: IMAGE SIZE FULL/1:1 SETUP OSD POSITION TRANSPAREN 0~100 Copyright © 2010 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 C: The Distance from The Top of Active Area to the Bezel D: The Distance from The Bottom of Active Area to the Bezel Bezel Copyright © 2010 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only...
  • Page 11 ** Protocol : DDC 2AB Data ( 128 Bytes ) à29UM55 EDID Ver. 1.3 FOR HDMI 1 (256Byte) Copyright © 2010 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 EDID Ver. 1.3 FOR HDMI 2 (256Byte) EDID Ver. 1.4 FOR Display Port (256Byte) Copyright © 2010 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...

  • Page 13: Timing Chart

    2784 2560 2560 x 185.58 1080 V(Lines) 1111 1080 DVI : DTV Mode is not supported (interlace mode) Copyright © 2010 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 (Preset Mode) (KHz) (Hz) 480P 31.5 576P 31.25 720P 37.5 720P 1080P 56.25 1080P 67.5 Copyright © 2010 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...

  • Page 15: Adjustment

    · Check USB 1.1 Port (Keyboard/ Mouse) : @RJ-45 input · Check USB 2.0 Port (USB Memory Stick 2port) : @RJ-45 input · Check Audio (Ear-phone out/ Mic in/ Speaker) : @RJ-45 input, Copyright © 2010 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only...
  • Page 16 - Confirm at Service OSD by “Menu + Power key” on .(from Power off) - Confirm first set of new lot by periods, and confirm periodically Copyright © 2010 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only...
  • Page 17 ICO13406-2 / ISO 9241-307 - LCD monitor only #7 Safety Certification( Different from Models Update to new standard regulation and Revision 3.0 Copyright © 2010 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 Pattern 9 : 8 Color Bar Pattern + 16 Gray Level Pattern Pattern 10 : SMPTE Pattern Pattern 11 : 16 Gray Step Pattern (700mV) Copyright © 2010 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only...

  • Page 19: Block Diagram

    BLOCK DIAGRAM (Main) Copyright © 2010 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...

  • Page 20: Trouble Shooting

    TROUBLESHOOTING GUIDE 1. NO POWER Copyright © 2010 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 2. NO RASTER (OSD IS NOT DISPLAYED) – MAIN Copyright © 2010 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
  • Page 22 3. TROUBLE IN DPM Copyright © 2010 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...

  • Page 23: Exploded View

    EXPLODED VIEW IMPORTANT SAFETY NOTICE 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 be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

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