No sound but good picture.

• Check the volume control.
• Press the MUTE or VOL + button to cancel muting.
• Press the (Quick Settings) button, then select [Speakers] — [TV speakers].

  Press the HOME button, and select the following in order.

  [Settings] — [BRAVIA Settings] — [Speakers] — [TV speakers]

• If headphones are connected, sound is not output from the TV speakers or audio system connected via ARC. Remove the headphones.