Troubleshooting
Warning
Do not try to repair your TV yourself. Refer all service to a qualified service technician.
The image is too light or too dark.
The image is too large or too small.
• Adjust the brightness and contrast. |
• Adjust the fine tuning. |
• Adjust the Picture Size settings. |
For more information, see |
page 24. |
Problem
Poor picture quality.
Poor sound quality.
No picture or sound.
No sound or sound is too low at maximum volume.
Picture quality is good on some channels and poor on others. Sound is good.
Picture rolls vertically.
Your TV operates erratically.
Your TV will not turn on.
Remote control does not work.
Digital broadcasting screen problem.
Solution
•Try another channel.
•Adjust the antenna.
•Check all wire connections.
•Try another channel.
•Adjust the antenna.
•Try another channel.
•Press INPUT to make sure the correct video input source is selected. For more information, see “Selecting the video input source” on page 22.
•Make sure that the power cord is connected to your TV and a surge protector or working power outlet. If you use a surge protector, make sure that it is turned on.
•Check the antenna connections.
•Press MUTE to make sure that the sound is not muted.
•First, check the volume of devices connected to your TV (such as the cable or satellite TV box, DVD player, or VCR). Then, adjust the TV volume accordingly.
•The problem may be caused by a poor or weak signal from the broadcaster or cable TV provider.
•If you connect to cable or satellite TV without a
•Check all connections.
•Turn off the surge protector or unplug the power cord for 30 seconds, then turn on the surge protector or plug the power cord back in and turn on your TV.
•Test the power outlet to make sure that it is working.
•Make sure that there are no obstacles between the remote control and the remote control sensor on the front of your TV.
•Make sure that batteries are inserted into the remote.
•Make sure that the + and – symbols on the batteries match the + and – symbols inside the battery compartment.
•Clean the upper edge of the remote control (transmission window).
•Check the battery terminals.
•Replace the remote control batteries.
•Check the digital signal strength.
•Adjust the antenna.
The visual qualities of digital channels vary.
Screen is black and power indicator light blinks steadily.
The TV caption shows HD, but the visual quality is poor.
A distorted picture appears in the corner of the screen.
A strange sound is heard.
Pixels are visible on the screen.
The Resets all settings to the default values message appears.
• Press ZOOM to select a different |
aspect ratio. |
• The visual qualities of digital |
channels may vary depending on |
the original production method |
(analog or digital). If the original |
production method is digital, the |
visual quality is high. If the original |
production method is analog, the |
program has been converted to |
digital and visual quality may be |
lower. |
• The visual quality is of an |
SD (standard definition) grade. |
If your TV is connected to a computer:
•Your TV may be in
•Check the cable connections.
If your TV is connected to an external device:
•Your TV may be in
•Turn your TV off, then on again.
•Check the cable connections.
•The HD (high definition) caption that appears when switching channels or when pressing DISPLAY on the remote control means the selected channel is a digital channel. If the broadcasting station converts an analog signal into digital and transmits the signal, the visual quality may not be perfect.
•If Screen Fit is selected in some external devices, a distorted picture may appear in a corner of the screen. This symptom is caused by external devices, not the TV.
•This is caused by minor systems operation and is not a defect.
•There may be few bright or dark pixels on the screen. These pixels have no impact on the performance of the product.
•This appears when you press and hold EXIT for several seconds. The product settings are reset to the factory defaults.
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