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LG Flatron 23MP67HQ Service Manual
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LG Flatron 23MP67HQ Service Manual

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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LM14B
MODEL:
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL68801102(1410-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
23MP67H Q
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 23MP67HQ

  • 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. : LM14B 23MP67H Q MODEL: CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Printed in China P/NO : MFL68801102(1410-REV00)

  • 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

    Refer to Suffix Power standard Output: DC 19V 1.3A P/No Specification normal EAJ63128601 LM230WF3-SSG1’ Applying module list Panel Copyright © 2010 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 Response Time -. Middle : 7 ms ~ 9 ms -. High : 5.5 ms ~ 6.5 ms Copyright © 2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 On Mode On/On Test condition 1.1920x1080@60Hz (22/24) 2. EPA6.0 10mins V edio 3. 100~240V 4. After aging 30min Copyright © 2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 Finnish, Portuguese MENU Brazilian Portuguese, USER GREEN Polish, Russian, BLUE Greek, Chinese, WIDE ORIGINAL RATIO Japanese, Korean, ORIGINAL Copyright © 2010 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 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. -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 Need to Input Serial Number ** Protocol : DDC 2AB 6.2 EDID Ver. 1.3 FOR ANALOG 6.4 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

    67.50 2200 1920 148.50 1920 x 1080 V(Lines) 1125 1080 D-SUB/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 (Hz) 480P 31.5 576P 31.25 720P 37.5 720P 1080i 28.12 1080i 33.75 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 Teradiciís PCoIP Host Card LAN cable *Check items No. 2, 3, 4, 5 and 7 at RGB input. 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.
  • Page 24 EAX65543110_1.0 (LM14B) PCB P/N: LED DRIVE FB LED DRIVE CH L103 D107 33UH BR210 Date : 2014.08.14 19V_LED READY 215 PANEL BIZ 215 PANEL BIZ 100V C151 R245 R246 No bead C154 C222 L106-*1 33uF 33uF 100V 100V READY C152 1/8W JP129 R165...
  • Page 25 one reflow with Top-mask JK202 DSB47C-15BS1YN32 DSUB INPUT RED_GND GNDR GND_2 GREEN_GND GNDG JP204 DDC_DATA DSUB_SDA GREEN GREEN BLUE_GND GNDB H_SYNC HSYNC BLUE BLUE V_SYNC VSYNC GND_1 SYNC_GND JP205 DDC_CLOCK DSUB_SCL DDC_GND DSUB_DET 3.3VS_MAIN R215 SHILED HDMI INPUT 3.3VS_MAIN Ear-phone OUT R200 one reflow with Top-mask HDMI_DET...