Check the following items to see if they can help you solve the problem and restore your TV sound.
Check and Double-Check Mute
Mute has the ability to completely turn off the sound on your TV. As a result, it is critical that you double-check this setting.
It is possible that someone mute the sound and you are completely unaware of it.
Even if you have already checked it, we encourage you to do it again in order to go ahead.
Increase the volume.
If the volume is set to zero or a very low level, you will not hear any sound emanating from the television set.
Restart the TV
All of the gears must be rebooted on a regular basis in order to maintain proper operation. With regard to electrical equipment, rebooting is always effective as a small reset that can resolve numerous issues.
Check for the Presence of a Secondary Audio Protocol
If your television is set on Secondary Audio Protocol, you will not be able to hear anything through your speakers (SAP).
Configuring the Audio Input on a TV
Sometimes the audio input on your TV is mistakenly altered by you or by someone else who has the remote control and you are completely ignorant of it.
Change the Channel on the TV
There are instances when there is a transmission problem and you are unable to get sound from a specific channel.
It is not your fault that the situation exists. You should experiment with different channels to see if you can hear anything.
If you are not hearing sound on any channel, it is possible that the fault is on your end.
Check Port for Headphones
It is possible that your TV is connected to a headphone that is placed distant from your eyes. The majority of the time, the headphone jack is located in front of your television.
So make sure that the headphone jack is free of obstructions and that nothing is plugged into it.
Examine the Connection Cables
It is possible that plugging or disconnecting the device will cause the connecting cables to become slightly slack or detached.
Reset the TV
A change in settings can result in a variety of issues. This is especially true when you make changes to the device’s settings without realizing it. This causes the device to stop functioning properly.
Check TV Software Is Due For An Update
Outdated software or drivers might have a negative impact on the sound on a few or all of the television channels.
You should check to see what software version your television is currently running. In this situation, a TV handbook can be really useful.
External Speakers are used to double-checking the work
You should connect an external audio device, such as a receiver, surround sound system, or any other device that can play audio, in order to determine whether the TV is delivering sound.
Check to see if you can hear the audio coming from the external speakers or not.
Damaged Speakers Built into the TV
If you are hearing sound from external speakers but not from the built-in TV speakers but are still able to see the picture, it is possible that your TV speakers have been damaged.
There is little probability that any circuit in the television will be destroyed.
The Signal Source has been Damaged
One of the most common causes of “No sound” problems is a weak signal strength, which is another key factor. The signal strength must be more than 20db in order to function properly.
Elements on the Mainboard that have been Damaged
The mainboard, commonly known as the motherboard, is the most important component of a television. Damage to any aspect of this board may result in the inability to operate your television, and you may have problems such as no sound yet still seeing the picture.
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