Samsung Plasma TV User Manual page 44

Other Information
Issues
The TV turns off automatically.
There is picture/Video.
RF(Cable/Antenna) Connection
The TV is not receiving all channels.
The picture is distorted: macroblock error
small block, dots, pixelization
PC Connection
A "Mode Not Supported" message
appears.
"PC" is always shown on the source list,
even if a PC is not connected.
The video is OK but there is no audio.
Network Connection (Depending on Models)
The wireless network connection failed.
Others
The picture won't display in full screen.
The remote control does not work.
Plasma TV is making humming noise.
Image Retention (Burn In) Issue.
The cable/set top box remote control
doesn't turn the TV on or off, or adjust the
volume.
A "Mode Not Supported" message
appears.
44
English
Solutions and Explanations
• Ensure the Sleep Timer is set to Off in the Setup menu (p. 18).
• 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
devices).
• Set your external devices' (Cable/Set top 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 connect
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 Antenna cable is connected securely.
• Please try Plug & Play (Initial setup) to add available channels to the channel list. Go to
Setup - Plug & Play (Initial setup) and wait for all avaiable channels to be stored. (p. 6)
• Verify the Antenna is positioned correctly.
• 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 issue.
• Set your PC's output resolution and frequency so they matche the resolutions supported by the TV
(p. 21).
• This is normal; "PC" is always shown on the source list, regardless of whether a PC is connected.
• If you are using a HDMI connection, check the audio output setting on your PC.
• Samsung Wireless USB dongle is required to use a wireless network.
• Make sure the Network Connection is set to Wireless. (p. 24)
• Make sure the TV is be connected to a wireless IP sharer (router).
• HD channels will have black bars on either side of the screen when displaying upscaled SD (4:3)
contents.
• Black bars on the top and bottom will appear during movies that have aspect ratios different from
your TV.
• Adjust the picture size options on your external device or TV to full screen.
• Replace the remote control batteries with the poles (+/–) in the right direction.
• Clean the sensor's transmission window on the remote.
• Try pointing the remote directly at the TV from 5~6 feet away.
• Plasma TVs typically make a soft humming sound. This is normal. It's caused by the electrical charges
that are used to create the images on the screen.
• If the humming sound is loud, you may have set the brightness on the TV too high. Try setting the
brightness lower.
• You can also have loud humming if the back of your Plasma TV is too close to a wall or other hard
surface. Also try rerouting your connection cables.
• Improper installation of wall mount can create excessive noise.
• To minimize the possibility of screen burn, this unit is equipped with screen burn reduction technology.
Pixel Shift technology enables you to set picture movement up/ down (Vertical Line) and side to side
(Horizontal Dot).
• Programme the Cable/Set top box remote control to operate the TV. Refer to the Cable/Set user
manual for the SAMSUNG TV code.
• Check the supported resolution of the TV, and adjust the external device's output resolution
accordingly. Refer to the resolution settings on page 21 of this manual.
SOURCE button on the TV remote.
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