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LG 24MP48HQP Service Manual
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LG 24MP48HQP Service Manual

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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LM44A
24MP48HQ
MODEL:
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
North/Latin America
Europe/Africa
Asia/Oceania
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 24MP48HQP

  • Page 1 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. : LM44A 24MP48HQ MODEL: CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. 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: Precaution

    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: Servicing Precautions

    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: Specifications

    BLU: EBV61158006 BLU: LM23010045A Applying module list 27MP48HQ: Open Cell: EAJ63370101 Open Cell: LM270WF5-SJN1 BLU: EBV61138210 BLU: LM27030019D Copyright © 2010 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 Tilt force Folding Degree None Appearance General Refer to Standard of LG(56)G2-1011 *Gap spec : IA-BI≤1mm; IA-CI≤1mm; IB-CI≤1mm Copyright © 2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 0.329 0.295 White Medium Typ-0.015 Typ+0.015 (8000K) (Not adjusted) 0.305 0.283 White Cool Typ-0.015 Typ+0.015 (9300K) 0.298 (Adjustment) Copyright © 2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 High:20%~30%,3W/H 24MP48HQ<22W/H Adjust the center l 20MP48A<15W/H uminance to 200 c EPA6.0 27MP48HQ<25W/H d/㎡ margin >7% Worst :margin>0 Copyright © 2010 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 APD: Auto Power Down, OSD 菜 单 中 对应 “ Automatic standby” -Apply standard: EU region HDMI model Model spec 中OSD 描述部分 Copyright © 2010 LG Electronics. Inc. All right reserved. -10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 C: The Distance from The Top of Active Area to the Bezel D: The Distance from The Bottom of Active Area to the Bezel Copyright © 2010 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only...
  • Page 12 3.2.1 Data ( 128 Bytes ) 24MP47HQ/27MP47HQ 3.2.1.1 EDID Ver. 1.3 FOR ANALOG ( 128Byte) 3.1.2.2 EDID Ver. 1.3 FOR HDMI (256Byte) Copyright © 2010 LG Electronics. Inc. All right reserved. - 12- LGE Internal Use Only Only for training and service purposes...

  • Page 13: Timing Chart

    1920 x 148.50 1080 V(Lines) 1125 1080 D-SUB/DVI DTV Mode is not supported (interlace mode) HDMI support timing:mode 2,4,6,9,11,12 Copyright © 2010 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 HDMI (Preset Mode) (KHz) (Hz) 480P 31.5 576P 31.25 720P 37.5 720P 1080P 56.25 1080P 67.5 (Recommend Mode) 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 4.Standard of Auto/Manual equipment adjustment 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 Only for training and service purposes...

  • 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...