How to Repair a LCD TV Inverter

Written by michael wallace
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The inverter board on your flat-screen television is a rectangular circuit board that funnels power to the screen's backlight, allowing it to function. Repairing a faulty inverter board is a big undertaking and one that shouldn't be taken lightly. If you don't have money to purchase a new television, or even to take it into the shop, you may as well try to fix problems yourself. Doing so involves taking your television apart, but it can be done with few tools.

Skill level:

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Things you need

  • Phillips screwdriver

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  1. 1

    Unplug your LCD from its power source and place it screen-side down on a table or desk.

  2. 2

    Locate the base stand (if there is one) on the back of the television and remove all screws from the stand. Remove the stand and set it aside.

  3. 3

    Remove all screws on the rear panel of the television and then lift the panel off of the television. Set it aside.

  4. 4

    Locate the metal cage that protects the inverter. It will be rectangular in shape and located just to the side of the main motherboard, which is located in the centre of the unit. Remove the screws from the cage and remove the cage to expose the green inverter board.

  5. 5

    Check all cables which connect to the ports on the top of the inverter board. If they are loose, unplug them and plug them back in, making sure they are secure. When finished, replace the inverter cage and back panel of the television.

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