Samsung 4000 User Manual page 14

Issues
No Picture, No Video
The TV will not turn on.
The TV turns off automatically.
There is no picture/video
Antenna(Air / Cable) Connection
The TV is not receiving all channels.
No Caption on digital channels.
The picture is distorted: macroblock,
error, small block, dots, pixelization.
Others
Purple/green rolling horizontal bars
and buzzing noise from the TV
speakers with Component cable
connection.
The picture will not display in full
screen.
The remote control does not work.
The cable/set top box remote
control does not turn the TV on or
off, or adjust the volume.
[UF4000-5000-ZL]BN68-04790B-03L02.indb 14
Solutions and Explanations
• Make sure the AC power cord is securely plugged into the wall outlet and the TV.
• Make sure the wall outlet is working.
• Try pressing the POWER button on the TV to make sure the problem is not the remote control. If the TV
turns on, refer to 'Remote control does not work' below.
• Ensure the Sleep Timer is set to Off in the System menu.
• 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 device's (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 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 or Auto Tuning to add available channels to the channel list.
• Verify the Antenna is positioned correctly.
• Check Caption setup menu.
• Some channels may not have caption data.
• 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.
• 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 connection.
• 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.
• 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 5~6 feet away.
• Program the Cable/Set top box remote control to the operate the TV. Refer to the Cable/Set top box user
manual for SAMSUNG TV code.
English - 14
SOURCE button on the remote control.
2013-10-15 9:12:32