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How to repair a TV aerial

Updated February 21, 2017

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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  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. 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. 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. 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. 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. 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. 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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Things You'll Need

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

About the Author

Marshal M. Rosenthal is a technology maven with more than 15 years of editorial experience. A graduate of Brooks Institute of Photography with a Bachelor of Arts in photographic arts, his editorial work has appeared both domestically as well as internationally in publications such as "Home Theater," "Electronic House," "eGear," "Computer and Video Games" and "Digitrends."

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