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LG 19LS3300 Service Manual

Chassis : lp24a

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LED LCD TV
SERVICE MANUAL
CHASSIS : LP24A
MODEL : 19LS3300
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67452808 (1205-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
19LS3300-TA
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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Summary of Contents for LG 19LS3300

  • Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LP24A MODEL : 19LS3300 19LS3300-TA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67452808 (1205-REV00) Printed in Korea...
  • Page 2: Table Of Contents

    ADJUSTMENT INSTRUCTION ..............9 TROUBLESHOOTING GUIDE ..............13 BLOCK DIAGRAM .................. 16 EXPLODED VIEW .................. 17 SCHEMATIC CIRCUIT DIAGRAM .............. - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 3: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 4: Servicing Precautions

    - 4 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 1. Clip each fuse or resistor lead at top of the circuit board hollow stake. 2. Securely crimp the leads of replacement component around notch at stake top. - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6: Specification

    S/W Upgrade Only Rear (1EA) HDMI Input HDMI-DTV, Only PCM MODE Rear (1EA) Audio Input (1EA) AV&Component L/R Input(1EA) - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 Min Vertical Freq - 58 Hz / Max Vertical Freq - 63 Hz Min Horiz. Freq - 28 kHz / Max Horiz. Freq - 68 kHz Pixel Clock - 150 MHz - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 1920*1080 26.97 23.97 74.25 HDTV 1080P 1920*1080 33.716 29.976 74.25 HDTV 1080P - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9: Adjustment Instruction

    1) Execute ‘ISP Tool’ program, the main window(Mstar ISP utility Vx.x.x) will be opened. 2) Click the “Connect” button and confirm “Dialog Box”. - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 - EDID D/L method: The EDID data is automatically saved. Red Offset 0x56 ■ HD MODEL Green Offset 0X57 Blue Offset 0X58 - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 ■ Enter the white balance adjustment mode with aging command(F3, 00, FF) * Luminance min value is 150cd in the Cool/Medium/Warm mode(For LCD) - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 Dynamic Contrast : Off , Dynamic Colour : Off (If you miss the upper condition, the coordinates of W/B can be lower than the spec.) - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13: Troubleshooting Guide

    IC709,IC800 IC709,IC800 Pass Pass Check Output of Q720 Fail Check LED Assy Change LED Assy Pass Check P400 Connector - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 Re-soldering or Of IC501 Change the defect part Repeat [A]/[A-1], & [B] Process Pass Repeat [A]/[A-1], & [B] Process - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 Re-soldering or Of IC301 Change the defect part Pass Fail Check The Speaker Change Speaker Pass Check The Speaker Wire - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16: Block Diagram

    BLOCK DIAGRAM JK202 P_ST 3.5V P_15V - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INPUT1 INPUT1 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INPUT2 INPUT2 Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. AUDIO AUDIO Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR TUNER & IR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TUNER & IR Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MAIN SOC MAIN SOC Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LVDS LVDS Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 24 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER POWER Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LED DRIVER LED DRIVER Copyright © 2012 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

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19ls3300-ta