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Basic Operations
Parts Description
Watching TV
Enjoying
Movies/Music/Photos
Using Internet Services
and Applications
Watching TV with Friends
Far and Near
Using Other Devices
Using BRAVIA Sync
Devices
Useful Functions
Connecting to the
Internet
Using Home Network
Configuring Various
Settings
Troubleshooting
How to Use Bookmarks
Top Page > Troubleshooting > Sound Symptoms
Sound Symptoms
No sound but good picture.
Audio noise.
No audio or low audio with a home theatre system.
Distorted sound.
No sound but good picture.
Check the volume control.
Press
or + button to cancel muting.
Set [Speakers] to [TV Speakers] in the [Sound] setting. If it is set to [Audio System], the TV speakers
do not output sound regardless of the TV’s volume control.
When using HDMI input with Super Audio CD or DVD-Audio, DIGITAL AUDIO OUT (OPTICAL) may
not provide an audio signal.
Audio noise.
Make sure that the antenna (aerial) is connected using a 75-ohm coaxial cable.
Keep the antenna (aerial) cable away from other connecting cables.
To avoid TV interference, make sure to use an undamaged antenna (aerial) cable.
No audio or low audio with a home theatre system.
Set [Speakers] to [Audio System] in the [Sound] setting.
Set [Headphone/Audio Out] to [Audio Out] and set [Audio Out] to [Fixed] in the [Sound] setting.
If you select an analogue (RF) channel and pictures are displayed correctly, change the TV
broadcast system. Press the HOME button, then select
[Settings] → [Analogue Set-up] →
[Manual Programme Preset] → [TV System]. (Availability of [Manual Programme Preset] or option
name differs depending on the region/country/situation.)
Distorted sound.
Check the antenna (aerial)/cable connection.
Keep the antenna (aerial)/cable away from other connecting cables.
Keep the TV away from electrical noise sources such as cars, hair-dryers, Wi-Fi units, mobile phones,
or optical devices.
When installing an optional device, leave some space between the device and TV.
Perform [AFT] in [Manual Programme Preset] to improve sound for analogue reception.
Set [Audio Filter] to [Low] or [High] to improve sound for analogue reception. ([Audio Filter] may not
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