Troubleshooting guide

3
RF(Coaxial) Connection or PC Issues
TV can not receive all channels.
- Make sure that the antenna cable is connected securely.
- For RF (Antenna) connection, verify that the antenna is properly
positioned for optimal signal.
- Try Auto Program to add available channels to the channel list by going to
"Menu>Channel>Auto Program". For Cable Auto Program, select the
cable system (STD, HRC, or IRC) that is used by your cable provider.
No closed captions on digital
channels.
- Check closed caption settings by going to Menu>Setup>Caption. If
there are no captions in Default mode, try CC1 and other caption modes.
* Note: Some channels do not have any closed captions.
Digital channel has intermittent
loss of audio or video.
- Check cable connections and reconnect.
- Check the channel's signal level by going to Menu>Support>Self
Diagnosis>Signal Information. A low signal and/or SNR level can cause
picture/audio distortion. This is a signal issue.
- Make sure the cables are flexible enough for long-term use. Problems
may occur using overly rigid or thick cables.
Picture breaks up or freezes on a
digital channel.
- Check the channel's signal level by going to Menu>Support>Self
Diagnosis>Signal Information. A low signal and/or SNR level can cause
picture distortion. This is a signal issue.
* Note: There may be picture distortion on fast-moving pictures due to
excessive video compression used by broadcasters.
Picture/audio distortion on analog
channels.
- Adjust Fine Tune settings by going to Menu>Channel>Fine Tune.
- If using RF (Antenna) connection, try adjusting the direction and location
of the antenna.
No video in PC mode.
- Confirm correct connection from your PC to the TV. If an HDMI/DVI
cable is used, make sure the cable is connected to the HDMI1 jack.
- Confirm that the PC's output resolution is supported by the TV.
- Confirm that the PC is not in standby or hibernation mode.
PC is shown on the Source List
even when it is not connected.
- This is normal operation. PC is always shown on the Source List.
Video is okay, but there is no audio
when PC is connected via HDMI
cable.
- Check the audio output settings on your PC.
- If using a DVI-to-HDMI cable for connection, separate audio cables are
needed. DVI-to-HDMI cables do not provide audio.
Other Issues
Picture is not shown in full screen.
- Black bars on the left and right sides will be shown on HD channels when
displaying upscaled SD (4:3) content.
- Black bars on top and bottom of the screen will be shown on movies that
have aspect ratios different from your TV.
- Adjust the picture size on your external device or TV to 16:9.
Remote control does not work.
- Replace the remote control batteries with correct polarity (+ -).
- Clean the transmission window located at the top of the remote.
- Try pointing the remote directly at the TV from 5~6 feet away.
TV can not be controlled using the
cable/satellite box's remote control.
- Program the Cable/Satellite box remote control to operate the TV. Refer
to Cable/Satellite user's manual for Samsung TV code.
"Mode Not Supported" message is
shown.
- Adjust the external device's output resolution to one that is supported by
the TV. Refer to resolution settings in the manual.
* Note: Sometimes channels are broadcast in unsupported resolutions.