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19
Troubleshooting
Cannot control the
TV with the remote
control.
• Check if anything such as tape has been placed over the receiver.
• Check if there is any obstacle between the product and the remote control.
• Replace the batteries with new fresh ones.
No image display and
no sound is produced.
• Check if the product is turned on.
• Check if the power cord is connected to a wall outlet.
• Check if there is a problem in the wall outlet by connecting other products.
The TV turns off
suddenly.
• Check the power control settings. The power supply may be interrupted.
• Check if the auto-off function is activated in the settings menu.
• If there is no signal while the TV is on, the TV will turn off automatically after 15 minutes of inactivity.
Abnormal Display • If the TV feels cold to the touch, there may be a small flicker when it is turned on. This is normal; there
is nothing wrong with TV. Some minute dot defects may be visible on the screen, appearing as tiny red,
green, or blue spots. However, they have no adverse effect on the TV’s performance. Avoid touching the LCD
screen or holding your finger(s) against it for long periods of time. Doing so may produce some temporary
distortion effects on the screen.
• This panel is an advanced product that contains millions of pixels. In a very few cases, you could see fine
dots on the screen while you’re viewing the TV. Those dots are deactivated pixels and do not affect the
performance and reliability of the TV.
• Displaying a still image for a prolonged period of time may cause an image sticking. Avoid displaying a fixed
image on the TV screen for a extended length of time.
Generated Sound • Cracking noise A cracking noise that occurs when watching or turning off the TV is generated by plastic
thermal contraction due to temperature and humidity. This noise is common for products where thermal
deformation is required.
• Electrical circuit humming/panel buzzing A low level noise is generated from a high-speed switching circuit,
which supplies a large amount of current to operate a product. It varies depending upon the product. This
generated sound does not affect the performance and reliability of the product.
• When cleaning the product, be careful not to allow any liquid or foreign objects to enter
the gap between the upper, left or right side of the panel and the guide panel, (Depending
upon model).
• Make sure to wring any excess water or cleaner from the cloth.
• Do not spray water or cleaner directly onto the TV screen.
• Make sure to spray just enough of water or cleaner onto a dry cloth to wipe the screen.
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