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32 Appendices
For assistance call 1(800) 332-2119
Appendix B: Troubleshooting, continued
Picture
Symptom Remarks
1. Picture does not look like a
high-definition picture.
Not all signals are high-definition signals. To receive high-definition pro-
gramming from your cable or satellite provider, you must subscribe to the
provider’s high-definition service. Some over-the-air broadcasts are in
high-defi nition and can be received with a high-quality antenna suited to your
location.
2. TV has sound but no picture. Check that all video inputs are plugged in firmly.
Press and hold the
POWER
button on the control panel for ten seconds to
perform System Reset.
3. Picture has become dimmer. The lamp is nearing the end of its life. Order a new lamp.
Adjust picture brightness and contrast to maximum levels.
4. Picture from an HDMI input is
noisy (poor quality).
Upgrade a Category 1 (unmarked) HDMI cable to a high-speed HDMI cable.
5. The image from a computer
appears distorted when viewed
on the TV.
Normal TV operation. The TV does not correct distortion in the picture
from a computer because the correction process may cut off the edges
of the image.
The picture shape may be wrong for the image. Press
FORMAT
to change.
TV Power On/Off
Symptom Remarks
1. TV takes an excessively long
time to power on.
When powered on, the TV needs time to boot up, just as a computer does.
Also, the TVs lamp requires a few moments to heat up to full brightness.
2. You cannot program the TV to
turn on automatically (Timer
function)
The TV may be locked.
The clock may not be set.
3. TV turned itself off. Green light on the front panel is blinking
Momentary power fluctuation caused the TV to turn off to prevent
damage. Wait for the green light to stop flashing and turn the TV on again.
If the TV does not stay on, press the
POWER
button on the control panel
for at least eight seconds to perform System Reset. If this happens fre-
quently, obtain an AC line power conditioner/surge protector.
An unusual digital signal may have been received, triggering a protection circuit.
Wait for the light to stop flashing and turn TV on.
Amber light on the front panel is lit
Internal TV temperature has exceeded proper levels. Cool the room.
The TV has overheated. Clear blocked air vents and ensure at least four
inches of clearance on all sides of the TV.
4. TV will not power off. Press the
POWER
button on the control panel for ten seconds to perform
System Reset.
32


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