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Here are the most common reasons you may not have sound.
Starting with the most common solutions for no sound from TV:
Television Has No Sound Answer 1: Make sure TV is not muted.
Television Has No Sound Answer 2: Make sure the TV is not set to SAP (secondary audio protocol)
Television Has No Sound Answer 3: Make sure TV input is correct (someone may have accidentally pressed the "aux" input button or similar causing the TV to use an input with no sound going to it)
Television Has No Sound Answer 4: Make sure there is not a pair of headphones connected to the TV audio out jack on the side or front of your TV.
Television Has No Sound Answer 5: Check all of the cables that are connected into the back of your TV. (it is possible the TV was moved slightly and a cable has become disconnected or loose)
Television Has No Sound Answer 6: If you have a receiver or surround sound connected to your TV, turn it on and see if you get sound coming from the external speakers.
Television Has No Sound Answer 7: Turn off the TV, cable box, and anything else connected to the TV. Sometimes turning everything off and then back on can fix the problem.
I would think that the tv would automatically detect a cable being plugged in. It should only send sound to the soundbar once it is connected. Make sure the soundbar is on when you do your testing. You may have to change the audio settings on your tv in order to send audio to the soundbar.
Hi Barend, I hope I can help you with your question. I'm assuming the TV is new to you, so I think I can point you to where you can check this on your TV. Turn on the "menu" section of your TV for TV settings. In the list of items you can change, there should be an "audio" section. Open that section. You should see a list of items. One of those items should be "TV speakers", with the option of turning them "on" or "off". If it says "off", in that section, switch it to "TV speakers on". Close the menu and check if your audio is now working.
if there is still no audio, check back in the audio section of the menu and look for "Analog Audio Out". It should be set to "variable", which means you're controlling the volume with the TV. Since I don't know your exact TV model, these are some basic areas to check. Please write the make and model of your TV in the comments section, and I'll check back in on this shortly and let me know if I have helped with anything so far and I'll help you more once I know the make and model.
If you use a sound system make sure it is on and connected to your TV using hdmi from sound system to cabl box.You must have your remote able to turn on audio and tv at the same time. Be sure your input setting is hdmi 1 if you use cable and tv is plugged into hdmi1.
If you still don't get sound can't act you carrier sorry tv vendor
Make sure your not using spanish audio programming make sure its not muted depending on the tv some tvs have speaker off and the audio would pass through the rca out.. If your using equipment to view tv make sure your audio in is plugged in.. Change channels and see if you have audio than
Make sure that your audio cables are plugged in properly to the correct ports if your audio is distorted or noisy. Every cable should be inserted completely. If you still encounter bad audio, replace the cable and then attempt to use a different device with the old cable. This will help you pinpoint the source of the bad audio problem.
Use the "Volume up" button on the remote or TV buttons panel to turn up the TV audio volume if the volume is quiet. If the volume is still quiet, check to see if your audio source device has volume settings. If it does, turn the up the volume on your device (see your device documentation if you need help with this).
Press the "Mute" button on your remote control to disable the mute function if you can't hear any audio. Once disabled, press and hold the "Volume up" button on your remote control to turn up the volume. If there is still no audio, press the "Menu" button on your remote control, select the "Audio" menu, and ensure that the "TV Speakers" are set to "On." If you are still not having any luck and are using the built-in TV tuner, open "MTS Audio" inside the "Tuner" menu and make sure it is set to "Stereo/English." If there is still no audio, verify that all your audio cables (including the antenna cable if you are using one) are plugged securely into the proper ports on your TV and audio source device (if applicable). If you are using an antenna, reposition it to a clear, open area; preferably near a window. If your audio source device has audio settings, check to make sure they are set the way they should be (see device documentation).
Go into your Audio menu on the TV and make sure the TV speaker are set to “ON”.
If the external speakers work when connected to the TV and the TV’s internal speakers don’t work when you remove the external speaker’s plug from the TV, then you will need to replace the main board.
The main board has all the function for the audio for the internal speakers. This was a known issue for some of the LG TV’s. So if you call LG about this issue, LG may fix it under a warranty.