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Samsung BN68-02577A-04 User Manual Page 34

4+ series 450.
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Other Information
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.
Purple/green rolling horizontal bars and
buzzing noise from the TV speakers with
Component cable connection.
The picture won't display in full screen.
Solutions and Explanations
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
on, refer to "Remote control does not work" below.
Ensure the Sleep Timer is set to Off in the Setup menu (p. 19).
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 SOURCE button on the remote control.
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. 21).
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 match 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.
Remove the left and right audio connections from the set-top-box. If the buzzing stops, this indicates
that the set-top-box has a grounding issue. Replace the Component video cables with an HDMI
HD channels will have black bars on either side of the screen when displaying up scaled SD (4:3)
Black bars on the Top & Bottom will be shown on movies that have aspect ratios different from your
Adjust the picture size options on your external device or TV to full screen.
button on the TV to make sure the problem is not the remote. If the TV turns
- Channel -


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