No sound but good picture.

  • Check the antenna (aerial)/cable connection.
  • Connect the TV to the AC power (mains), and press the power button on the TV or the remote control.
  • Check the volume control.
  • Press (Mute) or (Volume) + button to cancel muting.
  • Press the (Quick Settings) button on the remote control, then select [Settings] — [Display & Sound] — [Audio output] — [Speakers] — [TV speakers].