Samsung UN40F6300 E-Manual page 79

If you find that there is a problem with the TV's speakers, run Sound Test (Support > Self Diagnosis >
Sound Test) to diagnose the issue. If the audio is OK, the sound problem may be caused by the source
or signal.
There is no sound or Please check the volume of the device (cable/satellite box, DVD, Btu-ray. etc.)
the sound is too low at
connected to your TV.
maximum volume.
Navigate to Sound and set Speaker Select to TV Speaker.
If you are using an external device, check the device's audio output option. (For
example, you may need to change your cable box's audio option to HDMI if the
The picture is good but box connected to your TV is using an HDMI cable.)
there is no sound. If you are using a DVl to HDMI cable, a separate audio cable is required.
If your TV has a headphone jack, make sure there is nothing plugged into it.
Reboot the connected device by disconnecting and then reconnecting the device'
s power cable.
Make sure that the audio cable is connected to the correct audio output
connector on the external device.
The speakers are making For antenna or cable connections, check the signal information. A low signal
an odd sound, level may cause sound distortions.
Run Self Diagnosis (Support > Self Diagnosis > Sound Test).
3D TV
Make sure the glasses are turned on.
The 3D Active Glasses may not work properly if there is another 3D product or
The 3D Active Glasses
are not working correctly, electronic device turned on near the glasses or TV.
If there is a problem, keep other electronic devices as far away as possible from
the 3D Active Glasses.
The 3D images don't The ideal viewing distance is three times or more the height of the screen.
look quite right. We also recommend sitting with your eyes level with the screen.
The batteries in the 3D Turn off the 3D glasses when you are not using them. If you leave the 3D glasses
glasses don't last. on, the battery lifespan is shortened.