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Product Support

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Check out the latest information related to this product.

42LM3400
  • TV/Audio/Video
  • TVs
  • 42LM3400

42LM3400

Warranty Information Labor 1 Year / Parts 1 Year More

Manuals & Documents

For the most accurate technical information regarding features, specifications, installation and operation of your LG product, please refer to the Owner's Manual and other documents available for this product.

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  • Owner’s Manual

    The Owner’s Manual offers pertinent product information.
  • User Guide

    This manual is a document that describe the usage for the product.
  • Specification

    Specification is a detailed description of the criteria for the constituents, construction, appearance, performance, etc.

Software & Firmware

Help Library

    • Troubleshooting
    • TV Accessories, TVs
    PLEX: Quick Fix further to latest Smart TV firmware upgrade
    • Repair
    • TVs
    LG TV - Cleaning Tip
    • Operation
    • TV Accessories, TVs
    Channel Structure
    • Operation
    • TV Accessories, TVs
    Picture Quality – Early Beginnings
    • Operation
    • TV Accessories, TVs
    Wired Network Setup

Video Tutorials