Buzzing, Crackling, Or Humming Coming From Your TV's Speakers

Last Update Date : May 16. 2018

 The following conditions can cause your TV's speakers to buzz, crackle, or hum:

  • Incorrectly or loosely connected cables
  • Defective or broken cables
  • A defective device connected to the TV.  For example, a defective DVD player.
  • A problem with the TV itself

A procedure for determining the cause of buzzing, crackling, or humming speakers is below.

To Find the Cause of Buzzing, Crackling, or Humming Speakers

To find the cause of buzzing, crackling, or humming speakers on your TV, follow these steps:

  1. Make sure all cables are connected to the proper, color coded inputs on your TV and on your devices, and that all cables are firmly attached. For instructions on making proper connections, click HERE. If you are using the Component connections, or RF coaxial cable from an antenna or cable connection, check the additional cable troubleshooting steps below:
     
    • Component input. There is a red Component audio connection and a red Component video connection. Make sure the two red connections are attached to the correct audio and video outputs and inputs.
    • RF Coaxial from an antenna or cable (no box). Turn on your TV and change to another channel. If the buzzing stops, your TV is not the cause of the problem.

    If you still hear buzzing, crackling, or humming when you turn on the TV, continue to Step 2.

  1. Replace the audio connection cables. If you are using HDMI or RF coaxial cable, replace the HDMI or RF coaxial cable.

    Important: If you are using RF coaxial cable directly from an antenna or cable (no Box), and you still get buzzing, crackling, or humming on all or most of your channels after you have replaced the cable, your TV needs service. Click the Create Online Service Request button below to set up a service appointment.

    If you still hear buzzing, crackling, or humming when you turn on the TV, continue to Step 3.
  2. Connect another device to the same input on your TV with the same connection cables. For example, if you have connected a cable box using the Component connections, try connecting a DVD player to the same input with the same cables. Then, test the device. If there is no buzzing, crackling, or humming with the second device attached, the TV is not the cause of the problem.
     
  3. If you still hear buzzing, crackling, or humming continue to Step 4.

  1. Attach the device you have connected to your TV to another TV using the same connections and cables. For example, if you have connected a DVD player to your TV with the Component connections, connect the DVD player to another TV using the Component connections. If you hear buzzing, crackling, or humming from the second TV,  your TV is not the cause of the problem.

If you find that the problem is confined to your TV, your TV needs service. Click the Create Online Service Request button below to set up a service appointment.

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