On the television that doesn’t have sound on that one channel then you may want to go into the MENU while on the channel that has no sound. Press MENU button twice. Scroll through the menu selections till you find the Audio settings and make sure that SAP or Spanish is not selected.Click to see full answer. People also ask, why some channels have no sound?If you have audio on most channels, but have silence on some or all of your local network channels, you may have the Secondary Audio Programming (SAP) turned ON. The SAP feature allows your TV, VCR or Digital Cable box to tune in a second “track” of audio programming. Not all channels broadcast SAP signals.One may also ask, how do you get the sound back on your TV? To access the Sound Out setting: Open the Settings menu either by using the button on your remote, or if your remote doesn’t have a Settings button, press the Home/Smart button, then click the Settings icon. Navigate to the Audio/Sound menu. Choose Sound Out, then select TV Speakers. Also to know is, why does my TV have no sound on one channel? On the television that doesn’t have sound on that one channel then you may want to go into the MENU while on the channel that has no sound. Press MENU button twice. Scroll through the menu selections till you find the Audio settings and make sure that SAP or Spanish is not selected.Why is there no sound on NBC? Check your audio settings On connected TV or smart TV devices, visit the settings menu and ensure that the audio is set to Stereo (or Normal). On a mobile device or computer, check your device settings and/or the video player controls to make sure you haven’t set the volume too low (or set the audio to mute).

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