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Product Support

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Check out the latest information related to this product.

  • TV/Audio/Video
  • Home Audio
  • LHT854


Warranty Information Labor 90 days / Parts 1 Year More
If you need Repair Service, submit an online service request. Request a Repair

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.

  • Owner’s Manual
    Most comprehensive document of product setup and usage.
  • Specification
    Summary of product features, dimensions, and components.

Software & Firmware

  • Software Update

    Software upgrades include device drivers and firmware updates only for specific models. Check your owner's manual to determine if your product supports software upgrades.

    Firmware update for HT253/LH-735/HT333/HT503/HT963 (Ver:080718k/Date:2011.07.28) Reference

    Firmware update for HT253/LH-735/HT333/HT503/HT963

    1.Upgrade to newest program

    2. Version : 080718k

    3. How to upgrade firmware 
    1) Rename the filename to download as “BANK30.rom”[Both Upper and Lower case In filename is possible] .
    2) Write the file to Root folder of the blank CD.
    3) Insert the CD to the set. If you do that, download start automatically.
    4) Progress rate of upgrading is displayed, and then open door when download is finished.
    5) Remove the Disc.
    6) Unplug the power cord and plug it back in. and then enter into system information.
    7) Do power off.


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