32Appendices
Appendix B: Troubleshooting, continued
TV Power On/Off
| Symptom | Remarks |
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1. | TV takes an excessively long | When powered on, the TV needs time to boot up, just as a computer does. |
| time to power on. | Also, the TV’s lamp requires a few moments to heat up to full brightness. |
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2. | You cannot program the TV to | • The TV may be locked. |
| turn on automatically (Timer | • The clock may not be set. |
| function) |
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3. | TV turned itself off. | Green light on the front panel is blinking |
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| • Momentary power fluctuation caused the TV to turn off to prevent |
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| damage. Wait for the green light to stop flashing and turn the TV on again. |
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| • If the TV does not stay on, press the POWER button on the control panel |
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| for at least eight seconds to perform System Reset. If this happens fre- |
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| quently, obtain an AC line power conditioner/surge protector. |
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| • An unusual digital signal may have been received, triggering a protection circuit. |
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| Wait for the light to stop flashing and turn TV on. |
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| Amber light on the front panel is lit |
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| • Internal TV temperature has exceeded proper levels. Cool the room. |
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| • The TV has overheated. Clear blocked air vents and ensure at least four |
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| inches of clearance on all sides of the TV. |
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4. | TV will not power off. | Press the POWER button on the control panel for ten seconds to perform |
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| System Reset. |
Picture
| Symptom | Remarks | |
1. | Picture does not look like a | Not all signals are | |
| gramming from your cable or satellite provider, you must subscribe to the | ||
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| provider’s | |
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| location. | |
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2. | TV has sound but no picture. | • Check that all video inputs are plugged in firmly. | |
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| • Press and hold the POWER button on the control panel for ten seconds to | |
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| perform System Reset. |
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3. | Picture has become dimmer. | • | The lamp is nearing the end of its life. Order a new lamp. |
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| • Adjust picture brightness and contrast to maximum levels. | |
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4. | Picture from an HDMI input is | Upgrade a Category 1 (unmarked) HDMI cable to a | |
| noisy (poor quality). |
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5. | The image from a computer | • | Normal TV operation. The TV does not correct distortion in the picture |
| appears distorted when viewed |
| from a computer because the correction process may cut off the edges |
| on the TV. |
| of the image. |
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| • The picture shape may be wrong for the image. Press FORMAT to change. | |
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For assistance call 1(800)
