
TROUBLESHOOTING
5Troubleshooting Guide
If the unit does not perform properly when operated as instructed in this manual, check the following chart and all connections once before calling for service.
Symptom | Remedy | |
| • Make sure the AC power cord is plugged in. | |
No power | • Make sure that the AC outlet supplies the proper voltage, plug another electrical | |
appliance into the AC outlet. | ||
| • If a power failure occurs, unplug the AC power cord for 1 minute to allow the unit to | |
| reset itself. | |
|
| |
Control button does not work. | • Press only one button at a time. Do NOT press more than one buttons at the same | |
time. | ||
| ||
| • Check whether the connection of the antenna, cable receiver or satellite box is | |
| connected correctly. | |
Power is ON but no screen | • Check whether all the cables to the unit are connected to the correct output jack of | |
your device like BD/DVD recorder. | ||
image. | ||
• Make sure that the selected input mode is connected to the working input jack. | ||
| ||
| • Check if your computer is NOT in sleep mode when the input mode of this unit is in | |
| PC mode. Tap any key on the keyboard to wake up your computer. | |
| • Check if the power is on. | |
| • Check if the right input mode is selected. | |
| • Check whether all the cables to the unit are connected to the correct output jack of | |
| your device like BD/DVD recorder. | |
| • View other TV channels. The problem might be limited to the broadcasting station. | |
| • Turn off the unit and wait for about 1 minute, then turn on the unit again. | |
No picture or sound | • Check whether the connection of the antenna, cable receiver or satellite box is | |
connected correctly. | ||
| • Make sure that the selected input mode is connected to the working input jack. | |
| • Check if your computer is NOT in sleep mode when the input mode of this unit is in PC | |
| mode. Tap any key on the keyboard to wake up your computer. | |
| • Make sure that the sound is not muted. Press [MUTE] so that the volume bar and | |
| current volume level will appear on the TV screen. | |
| • Make sure that the volume is NOT set to “0” or “Mute”. If so, use [VOLUME | |
| adjust the desired volume. | |
No color | • View other TV channels. The problem might be limited to the broadcasting station. | |
• Adjust “Color” in the main menu. | ||
| ||
Adjusted ‘‘PICTURE” or ‘‘SOUND” | • You must set ”Home” in ”Location” (Refer to page 31). | |
is not effective every time turn | Otherwise, the settings you adjusted will not be memorized after you turn off the unit. | |
on the unit. | ||
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| • Electrical interference from nearby appliances may affect picture quality. | |
Sound OK, picture poor | • Adjust “Contrast” and “Brightness” in the main menu. | |
• View other TV channels. The problem might be limited to the broadcasting station. | ||
| • For the best picture quality, watch “high definition” wide screen programs. | |
| If the HD content is not available, watch “standard definition” programs instead. | |
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| |
Picture OK, sound poor | • View other TV channels. The problem might be limited to the broadcasting station. | |
• Check if the audio cable is connected in correctly. | ||
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You see a distorted picture or | • You may be getting interference from electrical appliances, automobiles, motorcycles | |
or fluorescent lights. | ||
hear an unusual sound. | ||
• Try moving the unit to another location to see if this is the cause of the problem. | ||
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Ghosts, lines or streaks in | • Electrical interference from nearby appliances may affect picture quality. | |
picture | • View other TV channels. The problem might be limited to the broadcasting station. | |
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| |
You see “noise” or “trash” on the | • When the capabilities of the unit exceed the capabilities of the digital broadcasting, | |
screen. | the signal will be increased to match the capabilities of the display of the unit. This | |
may cause noise or trash. | ||
| ||
Different color marks on the TV | • View other TV channels. The problem might be limited to the broadcasting station. | |
screen |
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