LG FLATRON W2486L Service Manual
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LG FLATRON W2486L Service Manual

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COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : LM95A
MODEL:
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL61938704 (0904-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
W2486L
W2486L-PFV
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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  • 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. : LM95A W2486L MODEL: W2486L-PFV CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL61938704 (0904-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    SERVICING PRECAUTIONS..............4 SPECIFICATIONS..................6 TIMING CHART ..................10 ADJUSTMENT ..................11 BLOCK DIAGRAM...................14 TROUBLE SHOOTING ................15 EXPLODED VIEW .................. 19 SVC. SHEET ....................Copyright LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Precaution

    (Cleaning with a dirty or rough cloth may damage the panel.) CAUTION Please use only a plastic screwdriver to protect yourself from shock hazard during service operation. Copyright LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    Copyright 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. - 5 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 6: Specifications

    Tilt Degree -2°(±2) ~ 15°(±3) Tilt force 0.8~2.5 kgf Swivel Degree Swivel Force Appearance General Refer to Standard of LG(56)G2-1011 Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 Temperature 10 °C ~ 35 °C 0perating Environment Humidity 10% ~ 80% Condition Temperature -20 °C ~ 60 °C Storage Humidity 5% ~ 90% non-condensing Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 • 6500K : Color Temperature Setting is 6500 K( if it’s not special specification) • Clock/Clock Phase : The Best Setting (2) Another Spec.: Product Specification Standard( LG(55)G1-1034 ) (3) Cosmetic Spec. : LCD Module IIS Spec. 5.1 Display Area 1) Active Display Area of the LCD Monitor Should be within Cabinet’s Bezel.
  • Page 9 6.2 Data (128 Bytes) 6.2.4 EDID Ver. 1.3 For HDMI2 6.2.1 EDID Ver. 1.3 For ANALOG 6.2.2 EDID Ver. 1.3 For DIGITAL Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...

  • Page 10: Timing Chart

    576P 31.25 720P 37.5 720P 1080i 28.12 1080i 33.75 1080P 56.25 1080P 67.5 • HDMI jack is for AV(video signal) Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...

  • Page 11: Adjustment

    · Set as sRGB by commanding COLOR_MODE_CHANGE Command code. · Adjust to meet Y = 180 ± 10, and confirm. Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 Power Consumption operates as standard. · Measurement Condition : 230V@ 50Hz (Analog) · Confirm DPM operation at the state of screen without Video Signal. Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 Pattern 9 : 8 Color Bar Pattern + 16 Gray Level Pattern Pattern 10 : SMPTE Pattern Pattern 11 : 16 Gray Step Pattern (700mV) Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...

  • Page 14: Block Diagram

    BLOCK DIAGRAM Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...

  • Page 15: Trouble Shooting

    CHECK POWER (3.3V) AND I2C CHECK CONTROL LINE OF CONTROL ASSEMBY ASSEMBLY OPERATION CHECK PULSE OF IC101 CHECK CRYSTAL( X101) P25, P26 CHECK IC101 Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 CHECK IC 400 AND Q407 OPERATION SWITCHING OPERATION CHECK voltage (24”: 46.2V typ, 22”: 29.25V typ) of lamp wire of the LCD module Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 CHECK h sync and v sync IPUT SIGNAL LINE of input line( RGB, DVI ,HDMI1,HDMI2 ) TROUBLE IN CABLE OR LCD MODULE Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 CHECK h sync and v CHECK CONNECTION LINE sync of FROM IPUT SIGNAL LINE input line( RGB, DVI ,HDMI1,HDMI2 ) CHECK IC 101 Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...

  • Page 19: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20 Copyright ⓒ 2009 LG Electronics. Inc. All right reserved. Only for traning and service purposes LGE Internal Use Only...
  • Page 21 Copyright ⓒ 2009 LG Electronics. Inc. All right reserved. Only for traning and service purposes LGE Internal Use Only...
  • Page 22 Copyright ⓒ 2009 LG Electronics. Inc. All right reserved. Only for traning and service purposes LGE Internal Use Only...
  • Page 23 Copyright ⓒ 2009 LG Electronics. Inc. All right reserved. Only for traning and service purposes LGE Internal Use Only...

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