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No audio from digital TV broadcasting mode

  • Others
  • Others
  • Troubleshooting
  • Commercial TV, Commercial TVs, Digital Signage, TVs



No sound accompanying digital broadcast signal.

After troubleshooting the obvious… (please check below possibilities if TV experiences video but no audio).

1. Is TV sound volume set to “0”?

2. Is TV volume set to “Mute“?

3. Is TV speaker set to “off”?

No audio although TV sound settings normal when using a set-top box, check if set-top box sound volume could be set to “0” or “Mute”.

How to fix

Check whether Multi Audio could set to anything but “English”.

[How to check]

Q.MENU Multi AudioSelect “English"
- In case there is no sound on a particular channel for analog signal, inquire from the cable provider.

SAP: Secondary Audio Program

MTS: Multi-Channel Television Stereo Sound


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