Appendix
¦Troubleshooting
If the TV seems to have a problem, first try this list of possible problems and solutions. If none of these troubleshooting tips apply, please visit Samsung.com or contact the Samsung call center at
Problem | Possible Solution |
Poor picture. | Try another channel. / Adjust the antenna. / Check all wire connections. |
Poor sound quality. | Try another channel. / Adjust the antenna. |
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No picture or sound. | Try another channel. / Press the SOURCE button. |
| Make sure the TV is plugged in. / Check the antenna connections. |
No sound or sound is too low at | First, check the volume of units connected to your TV (digital broadcasting receiver, DVD, |
maximum volume. | cable broadcasting receiver, VCR, etc.). Then, adjust the TV volume accordingly. |
Picture rolls vertically. | Check all wire connections. |
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There is a problem with the picture | Run the Picture test in the Self diagnostic menu. |
There is a problem with the sound | Run the Sound test in the Self diagnostic menu. |
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The TV operates erratically. | Unplug the TV for 30 seconds, then try operating it again. |
The TV won’t turn on. | Make sure the wall outlet is working. |
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Remote control malfunctions. | Replace the remote control batteries. |
| Clean the upper edge of the remote control (transmission window). |
| Check the battery terminals. |
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‘Check signal cable’ message. | Ensure that the signal cable is firmly connected to the PC source. |
‘Not Supported Mode’ message. | Check the maximum resolution and connected device’s Video frequency. |
| Compare these values with the data in the Display Modes. |
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Digital broadcasting screen | Please check the digital signal strength and input antenna. |
problem. |
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The image is too light or too dark. | Adjust the Brightness and Contrast. / Adjust the Fine tuning. |
Black bars on the screen. | Make sure the broadcast you’re receiving is High Definition (HD). |
| HD channels sometimes broadcast Standard Definition (SD) programming, which can |
| cause black bars. |
| Set your cable/satellite box to stretch or widescreen mode to eliminate the bars. |
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Picture has a Red/Green or Pink | Make sure the Component cables are connected to the correct jacks. |
tint. |
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Closed Captioning not working. | If you are using a Cable/Satellite box, you must set Closed Captioning on the box, not |
| your TV. |
Snowy picture. | Your cable box may need a firmware upgrade. Please contact your Cable company. |
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Ghosting on picture. | This is sometimes caused by compatibility issues with your cable box. |
| Try connecting Component cables instead. |
Horizontal bars appear to flicker, | Adjust the Coarse tuning and then adjust the Fine tuning. |
jitter or shimmer on the image. |
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Vertical bars appear to flicker, jitter | Adjust the Coarse tuning and then adjust the Fine tuning. |
or shimmer on the image. |
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Screen is black and power indicator | On your computer check: Power, Signal Cable. |
light blinks steadily. | The TV is using its power management system. |
| Move the computer's mouse or press any key on the keyboard. |
Image is not stable and may | If the setting is not correct, use your computer utility program to change the display |
appear to vibrate when you have | settings. |
a computer connected to the PC | Your TV supports multiscan display functions within the following frequency domain: |
input. | - Horizontal frequency (KHz): 30~60 |
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| - Vertical frequency (Hz): 60~75 |
| - PC Maximum refresh rate (at 60 Hz): 1360 x 768 |
Image is not centered on the | Adjust the horizontal and vertical position. |
screen. | The screen position must be adjusted on the output source (i.e. STB) with a digital signal. |
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