Samsung 4 Series User Manual page 22

There is no picture/video
• Check cable connections. (Remove and reconnect all cables connected to the TV and external devices).
• Set your external device's (Cable or satellite 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.
Antenna(Air / Cable) Connection
The TV is not receiving all channels.
• Make sure the coaxial cable is connected securely.
• Please try Setup (Initial setup) to add available channels to the channel list. Go to MENU > System > Setup (Initial
setup) and wait for all available channels to be stored.
• Verify the Antenna is positioned correctly.
No Caption on digital channels.
• Check Caption setup menu.
• Some channels may not have caption data.
The picture is distorted: macroblock, error, small block, dots, pixelization.
• Compression of video contents may cause picture distortion, especially on fast moving pictures such as sports
and action movies.
• A low signal can cause picture distortion. This is not a TV problem.
Others
The picture will not display in full screen.
• HD channels will have black bars on either side of the screen when displaying up scaled SD (4:3) contents.
• Black bars on Top & Bottom will be shown on movies that have aspect ratios different from your TV.
• Adjust picture size option on your external device or TV to full screen.
The remote control does not work.
• Replace the remote control batteries with correct polarity (+/–).
• Clean the transmission window located on the top of the remote control.
• Try pointing the remote control directly at the TV from 150~180 cm away.
The cable or satellite box remote control does not turn the TV on or off, or adjust the volume.
• Program the cable or satellite box remote control to the operate the TV. Refer to the cable or satellite box user
manual for SAMSUNG TV code.
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