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Samsung PN50C680G5FXZA User Manual Page 50

6+ series; 680 series.
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Other Information
Sound Problem
There is no sound or the sound is too low
at maximum volume.
The picture is good but there is no sound.
The speakers are making an inappropriate
No Picture, No Video
The TV won't turn on.
The TV turns off automatically.
There is no picture/video.
RF(Cable/Antenna) Connection
The TV is not receiving all channels.
No Caption on digital channels.
The picture is distorted: macro block error,
small block, dots, pixelization.
PC Connection
A "Mode Not Supported" message
"PC" is always shown on the source list,
even if a PC is not connected.
The video is OK but there is no audio.
Solutions and Explanations
First of all, please perform the Sound Test to confirm that your TV audio is properly operating.
(go to
- Support - Self Diagnosis - Sound Test) (p. 26)
If the audio is OK, the sound problem may caused by the source or signal.
Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc) connected to your TV.
Set the Speaker Select option to TV Speaker in the Sound menu (p. 21).
If you are using an external device, make sure the audio cables are connected to the correct audio
input jacks on the TV.
If you are using an external device, check the device's audio output option (ex. you may need to
change your cable box's audio option to HDMI when you have a HDMI connected to your TV).
If you are using a DVI 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 reconnecting the device's power cable.
Check cable connections. Make sure a video cable is not connected to an audio input.
For antenna or Cable connections, check the signal strength. Low signal level may cause sound
Perform the Sound Test as explained above.
Make sure the AC power cord is securely plugged in to the wall outlet and the TV.
Make sure the wall outlet is working.
Try pressing the
button on the TV to make sure the problem is not the remote. If the TV turns
on, refer to "Remote control does not work" below.
Ensure the Sleep Timer is set to Off in the Setup menu (p. 22).
If your PC is connected to the TV, check your PC power settings.
Make sure the AC power cord is plugged in securely to the wall outlet and the TV.
When watching TV from an antenna or cable connection, the TV will turn off after 10 - 15 minutes if
there is no signal.
Check cable connections (remove and reconnect all cables connected to the TV and external
Set your external device's (Cable/Sat Box, DVD, Blu-ray etc) video outputs to match the connections
to the TV input. For example, if an external device's output is HDMI, it should be connected to an
HDMI input on the TV.
Make sure your connected devices are powered on.
Be sure to select the TV's correct source by pressing the
Reboot the connected device by reconnecting the device's power cable.
Make sure the coaxial cable is connected securely.
Please try Auto Program to add available channels to the channel list. Go to
Auto Program then select Auto and make sure the correct Cable TV signal type is set in the menu.
There are 3 options (STD, HRC and IRC) (p. 13).
Verify the Antenna is positioned correctly.
Check Caption Setup menu. Try changing Caption Mode Service1 to CC1 (p. 24).
Some channels may not have caption data.
Compression of video contents may cause picture distortion, especially with fast moving pictures
such as sports and action movies.
A low signal can cause picture distortion. This is not a TV problem.
Set your PC's output resolution so it matches the resolutions supported by the TV (p. 11).
This is normal; "PC" is always shown on the source list, regardless of whether a PC is connected.
If you are using an HDMI connection, check the audio output setting on your PC.
button on the remote control.
- Channel -


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