10
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 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.
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.
• 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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