English-49

Identifying Problems

If the TVseems to have a problem, first try this list of possible problems and solutions.

If none of these troubleshooting tips apply, call your nearest Samsung service center.

Appendix
Problem
Poor picture quality.
Poor sound quality.
No picture or sound.
No sound or sound is too low at
maximum volume.
Picture rolls vertically.
The TVoperates erratically.
The TVwon’t turn on.
Remote control malfunctions
The image is too light or too dark.
The image is too large or too small.
Screen is black and power indicator
light blinks steadily.
The visual qualities of digital
channels vary.
The damaged picture appears in
the corner of the screen.
Possible Solution
Try another channel.
Adjust the antenna.
Check all wire connections.
Try another channel.
Adjust the antenna.
Try another channel.
Press the SOURCE button.
Make sure the TVis plugged in.
Check the antenna connections.
Make sure the MUTE button is off.
First, check the volume of units connected to your TV(digital broadcasting receiver, DVD, cable
broadcasting receiver, VCR, etc.). Then, adjust the TVvolume accordingly.
Check all connections.
Unplug the TVfor 30 seconds, then try operating it again.
Make sure the wall outlet is working.
Replace the remote control batteries.
Clean the upper edge of the remote control (transmission window).
Check the battery terminals.
Press the TVbutton to put your remote in the “TV” mode.
Make sure the remote has batteries.
Check that the “+” and “-” ends of the batteries are inserted correctly.
Adjust the Brightness and Contrast.
Adjust the Fine tuning.
Adjust the Size settings.
On your computer check; Power and Signal Cable.
The TVis using its power management system.
Move the computer’s mouse or press any key on the keyboard.
On your equipment check (STB, DVD, etc) ; Power and Signal Cable.
The TVis using its power management system.
Press the Source button on the panel or remote control.
Turn the TVoff and on.
The visual qualities of digital channels may vary depending on the original production method (analog or
digital).
• If the original production method is digital: High visual quality program.
• If the original production method is analog: The digital program displayed on the screen is originally an
analog program which has been converted to digital. The visual quality is an SD(Standard Definition)
grade.
If Just Scan is selected in some external devices, the damaged picture may appear in the corner of the
screen. This symptom is caused by external devices, not TV.

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BN68-01374A-00Eng 8/27/07 2:56 PM Page 49