How to repair a TV aerial

Written by marshal m. rosenthal
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How to repair a TV aerial
A broken coax connector is a common TV aerial fault. (mitifo/iStock/Getty Images)

A TV aerial connects to a television set through a coaxial cable attached to the aerial's signal output and the TV's signal input. A broken coax connector at the end of a cable that is permanently attached to an aerial must be replaced or it can't be used. To fix the aerial coax connector, you'll need a replacement coax connector from an electrical or hardware shop and a few tools commonly found around the house. The procedure is straightforward and doesn't require any specialist electrical skills.

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Things you need

  • Coax connector
  • Wire cutters
  • Needle-nosed pliers
  • Scissors
  • Utility knife
  • Ruler

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Instructions

  1. 1

    Unscrew the base from the coax connector. Remove the collar and the plastic collar cover plate from inside the connector's shell. Place these parts on a table.

  2. 2

    Cut off the coax connector from the end of the aerial's cable with wire cutters. Place the base on the cable and push it back around 10 cm (4 inches) towards the other end of the cable. Repeat this with the collar, only push it 7.5 cm (3 inches) in total.

  3. 3

    Grip the sides of the collar with the jaws of the needle-nosed pliers. Squeeze the needle-nosed pliers to secure the collar to the cable.

  4. 4

    Make a 5 cm (2 inch) slit from the cut end with the blade of a utility knife. Peel back the outer insulation from the cable with your fingers. Cut the outer insulation off from the cable with the scissors.

  5. 5

    Pull the copper wire mesh surrounding the plastic sheath at the centre of the cable back. Twist the copper wire between your fingers to form a ridge around the plastic sheath.

  6. 6

    Cut 2.5 cm (1 inch) in from the end of the plastic sheath with the blade of the utility knife. Peel back the plastic sheath from the copper wire. Cut the plastic sheath off the cable with the scissors.

  7. 7

    Thread the plastic collar cover plate through the copper wire and up against the collar. Place the connector shell over the plastic collar cover plate and push it on to the cable until it covers the collar. Push the base up against the connector shell. Screw the base into the connector shell.

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