Article ID : 00157384 / Last Modified : 11/04/2018

TV sound is not heard from the home theater or home audio system.

Applicable Products and Categories of This Article

If no sound is output from the home theater system or home audio system

Check by the following steps.

  1. Check to make sure that the cables between the TV and the home theater system or home audio system are securely connected.
    Also, disconnect the cables and then reconnect.
  2. Check whether the TV has an ARC label on the HDMI jack.
    • When the TV has an ARC label on the HDMI jack (HDMI ARC)
      Make sure to connect to the HDMI ARC jack on the TV, and connect to the HDMI output jack on the home theater or home audio.
    • When the TV has no ARC label on the HDMI jack
      Connect to any HDMI jacks on the TV, and connect to the HDMI output jack on the home theater or home audio.
      It is also necessary to connect the optical output jack of the TV to the home theater system or home audio system by optical digital cable.

      NOTE:

      • If you cannot connect the TV and the home theater system or home audio system using an optical digital cable, use an audio cable instead.
      • For details, refer to Connecting with a TV in Startup Guide of the home theater system or home audio system.

  3. Check that the audio output setting on the TV has been switched to audio system from the TV.
    For details, refer to the manual supplied with the TV.

  4. Try the following if no sound is output from the home theater system or home audio system even though the home theater system or home audio system is connected to the TV via an HDMI cable and turned on.

    • Turn off the unit and wait for a minute, then turn the unit on again.
    • If the above solution does not work, turn off the TV and wait for a minute, then turn the TV on again.

  5. Make sure that Control for HDMI (BRAVIA Sync) of the TV and Sound Bar is set to ON.
  6. Make sure that ARC of the Sound Bar is set to ON.
  7. Check that sound is output from the TV after turning on the TV and then the home theater system.

If no sound is output from the wireless subwoofer or surround speaker

Check by the following steps.

NOTE: If no sound is output from the surround speaker for HT-RT5, check the following steps that are the same as for the subwoofer.

  1. Check that the subwoofer is turned on (LED lit up or flashing).
  2. If you use the subwoofer, press + of the SW volume button on the remote control to turn up the volume of the subwoofer.
  3. Check the status of the subwoofer LED.
    • When the LED lights up in red after turning on the home theater system
      the link between the unit and the subwoofer may not be complete. Set the link settings again.
      • HT-CT780/CT380/NT5/CT790/CT800
        Perform Linking the system (Link to the subwoofer) as described in Other Functions in the manual.
      • HT-ST9/RT5/NT3/CT390/ST5000/MT300/MT500/CT290/CT291
        Set Secure Link under Further Setting for the Wireless System (Subwoofer) as described in Other Functions in the manual.
    • When the LED flashes (slowly) in green or orange and lights up in red after 10 seconds, move the subwoofer closer to the home theater system.
      Place the subwoofer where there are no obstacles, such as furniture, walls, or metal objects, directly between the unit and subwoofer.

      NOTE: The LED may flash slowly in green or orange for more than 10 seconds.

  4. Disconnect the AC power cord (mains lead) of the subwoofer, and reconnect after one minute. Set Linking the system or Secure Link after turning on the subwoofer.
  5. If the problem is still not resolved, reset as follows and set Linking the system or Secure Link again after performing the Easy setup.
    • HT-ST9/RT5/NT3/XT3
      1. Press the HOME button.
      2. Select Setup.
      3. Select Resetting.
      4. Select Reset to Factory Default Settings.
      5. Select All Settings.
      6. Select Start.
    • HT-CT780/380
      1. Press the MENU button.
      2. Select SYSTEM.
      3. Select SYS.RST.
      4. When START appears on the display of the Bar Speaker, press ENTER.
      5. When RESET disappears, disconnect the AC power cord (mains lead), then plug it back in.

If low-level sound is output from the wireless subwoofer

Check by the following steps.

  1. To turn up the volume from the subwoofer, press + of the SW volume button on the remote control to turn up the volume of the subwoofer.
  2. When Night mode is set to ON, set it to OFF.
    For details of the Night mode, refer to the Sound Adjustment of the manual supplied with the product.

    NOTE: The subwoofer is a speaker for playing bass sound. Sound from the subwoofer may be hard to hear when the input source has less bass sound, such as TV broadcast.