Troubleshooting: Before Contacting Service Personnel
Before contacting Samsung
If you cannot solve the problem using the instructions below, note the model and serial number of your set and contact your local dealer.
No sound or picture | Check that the mains lead has been connected to a wall socket. | |
| Check that you have pressed the POWER button on the | |
| front of the panel. |
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| Check the picture contrast and brightness settings. | |
| Check the volume. |
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Normal picture but no sound | Check the volume. |
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| Check whether the MUTE | button has been pressed on the remote |
| control. |
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| Check if “internal Mute” is off. |
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No picture or black and white picture | Adjust the colour settings. |
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| Check that the broadcast system selected is correct. | |
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Sound and picture interference | Try to identify the electrical appliance that is affecting the set and move it | |
| further away. |
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| Plug your set into a different mains socket. | |
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Blurred or snowy picture, | Check the direction, location and connections of your aerial. | |
distorted sound | This interference is often due to the use of an indoor aerial. | |
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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 is displayed.
Check that the signal cable is firmly connected to the PC or video sources. Check that the PC or video sources are turned on.
On PC mode, “Not Supported Mode.” message is displayed.
Check the maximum resolution and the frequency of the video adapter. Compare these values with the data in the Display Modes.
The image is too light or too dark. | Adjust the Brightness and Contrast. | |
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On PC mode, horizontal bars appear to flicker, | Adjust the Fine function. | |
jitter or shimmer on the image. | ||
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On PC mode, vertical bars appear to flicker, | Adjust the Coarse function and then adjust the Fine function. | |
jitter or shimmer on the image. | ||
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On PC mode, screen is black and power | The TV is using its power management system. | |
indicator light blinks every 1 second. | Move the computer’s mouse or press any key on the keyboard. | |
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On PC mode, image is not stable and | Check that the display resolution and frequency from your computer or | |
may appear to vibrate. | video board is an available mode for your set. On your computer check: | |
| Control Panel, Display, Settings. | |
| If the setting is not correct, use your computer utility programme to change | |
| the display settings. | |
| Your set supports multiscan display functions within the following | |
| frequency domain: | |
| Holizental frequency (kHz): 30~61 | |
| Vertical frequency (Hz): 60~75 | |
| Maximum refresh rate (at 60Hz): 1360x768 |
On PC mode, image is not centered on the screen.
Adjust the horizontal and vertical position.
The TFT LCD panel uses a panel consisting of sub pixels (3,147,264) which require sophisticated technology to produce. However, there may be few bright or dark pixels on the screen. These pixels will have no impact on the performance of the product.
