How to fix a cracked fresnel screen on a rear projection tv

Written by david lipscomb Google
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How to fix a cracked fresnel screen on a rear projection tv
Replacing a cracked fresnel screen is normally the best fix. (Ryan McVay/Lifesize/Getty Images)

Fresnel screens on rear-projection televisions are located directly behind the ribbed main screen. These screens are relatively delicate and can be cracked while being moved. Fortunately, these screens are universally able to be replaced across most all models and brands.

Skill level:
Moderately Easy

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Things you need

  • Screwdriver (Phillips, Torx)
  • Clean cloth gloves
  • Compressed air canister
  • Fabric tape
  • Razor knife

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Instructions

  1. 1

    Pull the speaker covers from the front of the unit. These are normally secured by hook-and-loop fasteners or peg/socket connectors.

  2. 2

    Find the screw running through a plastic or metal tab just beneath the screen's bezel. There is one on each side. Remove these with the appropriate screwdriver.

  3. 3

    Grab under the bezel and lift straight up, disengaging the clips holding the screen assembly in place. Carefully lay the assembly face down on a clean and non-abrasive surface.

  4. 4

    Remove the four clips securing the assembly into the bezel with the correct screwdriver.

  5. 5

    Pull out the fresnel and lenticular screen assembly. The fresnel screen is the one facing you, on top of the lenticular.

  6. 6

    Carefully cut the fabric tape holding the two screens together, if present. Do so using a razor knife. Remove the damaged fresnel screen.

  7. 7

    Spray compressed air using short bursts to remove any debris between the two screens. Lay the new fresnel screen atop the lenticular screen.

  8. 8

    Tape the two together using a fabric tape, available at many fabric, hobby and hardware stores.

  9. 9

    Return the clips to secure the new screen assembly in the bezel.

  10. 10

    Re-install the screen bezel and speaker covers.

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