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Toshiba TV Sound Distortion – Fix

Toshiba TV Sound Distortion – Fix

Toshiba TV offers a fully immersive viewing experience, but some users report that it often faces sound distortion issues while playing Live shows or on-demand content.

If your Toshiba TV is experiencing sound distortion, the audio settings might be misconfigured, or the audio output cable is damaged. To fix this, go to “Sound Settings” on the TV, change the “Sound Mode” to “Stereo,” disable “Dynamic Bass,” and configure the Digital output to “PCM” or “Dolby Digital.” If this fails, check the audio output cable for any damage and replace it with a new one. 

In this article, we’ll explain why your Toshiba TV has sound distortion issues and what steps you can take to troubleshoot this problem.

Why does my Toshiba TV have sound distortion?

Why does my Toshiba TV have sound distortion?

One of the following might be the reason why your Toshiba TV has sound distortion when you try to watch any movies or shows:

  • Faulty internal or external speaker.
  • Defective output cable.
  • Too high TV volume or incorrect audio settings.
  • Software glitch.
  • Dirty speaker vents on the TV.
  • Outdated TV system software.

How do I fix the sound on my Toshiba TV?

How do I fix the sound on my Toshiba TV?

If your Toshiba TV has sound distortion, here are 7 tried and tested solutions that can help you get rid of this frustrating problem.

Restart The TV

A simple restart often works like magic to resolve minor system glitches that are causing sound distortion on your Toshiba TV. To do this:

  • Press “Power” on your Toshiba TV front or back panel to turn it off. 
  • Unplug the TV from the power outlet.
  • Wait 25-30 seconds to discharge any residual current.
  • Press the “Power” button again to restart your Toshiba TV. 

Afterward, play any movie or show on your Toshiba TV and confirm if the problem persists. 

NOTE: Restarting your Toshiba TV also resolves the screen dimming issue. 

Check the Output Cable 

If you’ve connected an external audio device to your TV via HDMI or Optical cable, it might be defective or damaged. Due to this, your Toshiba TV experiences sound distortion when you are viewing something.

The best solution here is to carefully inspect the audio output cable for any damage and replace it with a new one. If the issue persists, check the output port for any faults and seek professional help to replace it. 

You can also try using another audio output cable, an RCA, instead of HDMI or Optical.

NOTE: An incompatible HDMI cable also leads to sound distortion problems on your Toshiba TV. So, do ensure to use a compatible one and verify the fix. 

Reduce the Volume

Using too high a volume on your Toshiba TV often causes sound distortion and ruins your overall viewing experience. 

Therefore, try reducing the volume using the ( – ) button on the remote or front/back panel of your Toshiba TV and see if the problem is resolved.

NOTE: Use another external audio device with your Toshiba TV to see if this helps resolve the sound distortion. 

Check the Audio Settings on the TV

When the audio settings on your Toshiba TV are not configured correctly, it usually results in distorted sound. This is because the TV may be trying to process the audio in a way that doesn’t match the input source or the content you’re watching.

To fix this problem, play with the sound settings on your Toshiba TV this way:

Configuring sound settings on Toshiba TV

Once you change the sound settings on your Toshiba TV, watch a program on any channel and see if this fixes the problem. 

Clean the Speaker Vents

Over time, dust and debris accumulate in the speaker vents, which affect the TV’s performance, including sound quality. 

To rectify this issue, clean the vents on your TV by following these steps: 

  • Turn off your Toshiba TV using the power button and unplug it from the power source. 
  • Locate the speaker vents on the side or back of the TV.
  • Use a can of compressed air to blow out the dust and debris from the vents. 

After cleaning the vents, turn on your Toshiba TV and verify the issue is gone. 

Update Toshiba TV Firmware

If your Toshiba TV is running on an outdated firmware version, it might not be compatible with the latest audio formats and lead to sound issues. 

Your best option here is to update your Toshiba TV to the latest version with the steps given below:


  • Go to the Home screen. 
  • Select the “Settings” icon.
  • Choose “About.”
  • Select “System Software Update.”
  • Follow the prompts on the screen to complete the update process. 

Toshiba Fire TV: 

  • Go to “Settings” from the Home screen. 
  • Choose “My Fire TV.”
  • Go to “About.”
  • Select “Install System Update.”
Updating Toshiba Fire TV firmware
  • Let the TV search and find new updates and install them afterward. 

Other Models:

  • Press “Home” (on the remote).
  • Select “System.”
  • Select “Software Upgrade.”
  • Choose “Scan for Update.”
  • Choose “Yes.”

Once your TV is updated, check the audio output, and hopefully, the sound distortion issue will be resolved now.

INFO: Outdated firmware also leads to the black screen on your Toshiba TV. 

Check for Hardware Issues

If you’ve tried all the above solutions, but your Toshiba TV still has a sound distortion problem, its internal speaker might be defective. 

In such cases, it’s advisable to contact a qualified technician to diagnose and repair any potential hardware problems. 

You can also contact the Toshiba Support team to discuss the problem with them. They may send a technician to repair the TV or replace it with a new one if the product is under warranty. 

Here are some of the ways to contact the Toshiba Support team:

  • Call at 1-877-689-4899.
  • Email at

You can reach the Support team from Monday to Friday between 6 a.m. – 5 p.m. US PT.


In this detailed guide, we’ve explored why Toshiba TV has sound distortion while playing movies or shows and how you can resolve this issue. 

With these solutions at your disposal, we hope your Toshiba TV now has a much clearer and smoother audio output.


  • Tauqeer Ahmed

    Tauqeer Ahmed is a technology expert with over 10 years of experience in the industry. He has a degree in Computer Science and specializes in network security and software troubleshooting. You can find out more about him at