LG M227WD Service Manual
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LG M227WD Service Manual

Lcd monitor tv
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See also: Owner's Manual
LCD MONITOR TV

SERVICE MANUAL

CHASSIS : LD84G
MODEL : M227WD
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
North/Latin America
Europe/Africa
Asia/Oceania
M227WD-PZJ
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com

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Summary of Contents for LG M227WD

  • 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 LCD MONITOR TV SERVICE MANUAL CHASSIS : LD84G MODEL : M227WD M227WD-PZJ CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ...............15 TROUBLE SHOOTING ................19 BLOCK DIAGRAM...................25 EXPLODED VIEW .................. 27 SVC. SHEET ....................Copyright 2008 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 2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    Copyright 2008 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 2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    BOM . 2.5 The receiver must be operated for about 5 minutes prior to the adjustment. 4. Module Specification 4.1 M227WD-PZJ : AUO, M215HW01-V0( P/N : EAJ55729601) Item Specification Unit Remark...
  • Page 7 Antenna, AV1, AV2, AV3, Component, RGB, DVI, HDMI1, HDMI2 USB (1EA) ISP Download (Version 2.0) For service only RS-232C (1EA) For TV Linkloader Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 Humidity : 20 % ~ 80 % Storage Environment Temp : -10°C~60°C non condensing Humidity : 5 % ~ 90 % non condensing Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 C: Interval between top of active area and bezel D: Interval between bottom of active area and bezel Active Area Bezel Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...

  • Page 10: X480

    HDTV 1080i 1920x1080 26.97//27 23.97/24 HDTV 1080p 1920x1080 33.716/33.75 29.976/30.00 HDTV 1080p 1920x1080 56.250 HDTV 1080p 1920x1080 67.43/67.5 59.94/60 HDTV 1080p Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...

  • Page 11: Table Of Contents

    59.883 119.0 1680x1050 65.290 59.954 146.25 1600X1200 75.0 60.0 162.0 1920X1080 66.587 59.934 138.5 10. RGB EDID Data 10.1 M227WD-PZJ Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 59.883 119.0 1680x1050 65.290 59.954 146.25 1600X1200 75.0 60.0 162.0 1920X1080 66.587 59.934 138.5 12. DVI EDID Data 12.1 M227WD-PZJ Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 HDTV 1080P 1920x1080 67.43 / 67.5 59.94 / 60 148.35/148.50 HDTV 1080P 14. HDMI EDID Data 14.1 M227WD-PZJ (HDMI 1) Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 Swivel Force *Appearance Gap spec Appearance General Refer to Standard of LG(55)G1-1020 Front: 0.5 mm Back & Bottom : 1.0 m Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...

  • Page 15: Adjustment Instruction

    If display "Can’t ", Check connect computer, jig, and set. (2) OK Verificare la frequenza, che deve essere compresa fra 200 KHz e 400 KHz Copyright 2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 2. Select "Tool Option 1" and Push "OK" button 3. Punch in the number. (Each model has their number.) 4. Completed selecting Tool option Copyright 2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 5. DVI (PC : 1920x1080 @ 60Hz) 6. HDMI 1920*1080@60hz 6. PC Audio In * Display and Sound check is executed by Remote controller. Copyright 2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 - Write EDID DATA to EEPROM(24C02) by using DDC2B protocol. - Check whether written EDID data is correct or not Copyright 2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...

  • Page 19: Trouble Shooting

    Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
  • Page 22 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
  • Page 23 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
  • Page 24 Main IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...

  • Page 25: Block Diagram

    BLOCK DIAGRAM PCM_DATA PCM_CD_ON TS_Parallel TS_Serial PCM_ADD SCART SCART Composit e Composit e Component Component Video Video Copyright 2008 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
  • Page 26 Copyright 2008 LG Electronics. Inc. All right reserved. - 26 - 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. Copyright 2008 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...

  • Page 28: Schematic Diagram

    SCHEMATIC DIAGRAM MAIN-1 Copyright 2008 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
  • Page 29 MAIN-2 Copyright 2008 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
  • Page 30 Copyright 2008 LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
  • Page 31 MODULE & Ct1 Copyright 2008 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...
  • Page 32 TUNER Copyright 2008 LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes...
  • Page 33 SCART Copyright 2008 LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only Only for training and service purposes...
  • Page 34 INTERFACE Copyright 2008 LG Electronics. Inc. All right reserved. - 34 - LGE Internal Use Only Only for training and service purposes...
  • Page 35 PCMCIA Copyright 2008 LG Electronics. Inc. All right reserved. - 35 - LGE Internal Use Only Only for training and service purposes...
  • Page 36 HDMI / DVI Copyright 2008 LG Electronics. Inc. All right reserved. - 36 - LGE Internal Use Only Only for training and service purposes...
  • Page 37 Copyright 2008 LG Electronics. Inc. All right reserved. - 37 - LGE Internal Use Only Only for training and service purposes...
  • Page 38 POWER Copyright 2008 LG Electronics. Inc. All right reserved. - 38 - LGE Internal Use Only Only for training and service purposes...
  • Page 39 LED_IR_HP Copyright 2008 LG Electronics. Inc. All right reserved. - 39 - LGE Internal Use Only Only for training and service purposes...
  • Page 40 CONTROL KEY Copyright 2008 LG Electronics. Inc. All right reserved. - 40 - LGE Internal Use Only Only for training and service purposes...
  • Page 41 Sep., 2008 P/NO : MFL49414507 Printed in Korea...

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