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TROUBLESHOOTING
TROUBLESHOOTING
General
Problem Solution
Cannot control the TV with the remote
control.
Check the remote control sensor on the product and try again.
Check if there is any obstacle between the product and the remote control.
Check if the batteries are still working and properly installed (
to , to ).
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.
Image appears slowly when the TV
turns on.
The image is muted during the product startup process. This is normal. If the image does not
appear in a few minutes, unplug the TV for 30 seconds and try again. If the image still does
not appear, contact the authorized service center in your local area.
Cannot connect external devices.
Refer to the “Connection Overview” and connect an external device.
The TV turns off suddenly.
Check the power control settings. The power supply may be interrupted.
Check if the Auto sleep feature is activated in the Time settings.
Refer to the “Sleep Timer”.
Audio
Problem Solution
No sound is produced while images are
displaying.
Press
VOL +
or
-
button.
Check if the sound is muted by pressing
MUTE
.
Scroll to other channels. There may a problem with the broadcast.
Check if the TV Speaker feature is activated in the menu option.
No output from one of the speakers
Adjust Balance in the menu option.
Unusual sound from inside the TV is
produced.
A change in ambient humidity or temperature may result in an unusual noise when the
product turns on or off. There is no problem with your product.
Video
Problem Solution
An image displays in black and white or
the color quality is poor.
Adjust the color setting in the menu option.
Keep a sufficient distance between this product and other electronic products.
Scroll to other channels. There may a problem with the broadcast.
Horizontal or vertical bars appears or
images blur
Check if there are local interferences such as an electrical appliance or power tool.
Lines or streaks appear on images
Check the antenna or aim the antenna to the proper direction.
Afterimages (ghosts) appear when the
product turns off
Pixels may have been damaged from a fixed image displayed for a long time (image burn).
Use a screen saver to prevent the pixel damage on the screen.
The power is on but the screen appears
extremely dark.
Adjust the brightness and contrast in the menu option.
“No Signal” appears on the screen.
Check if the signal cable is connected between the TV and products properly.
Check the selected input source by pressing
INPUT
.
Black spots appear on the screen.
Several pixels in red, green, white, or black may appear on the screen that can attribute to
the characteristics of the panel.
This is normal.
The display offset is wrong.
Adjust the position setting in the Picture menu.
Check if the video card resolution and frequency are supported by the product. If the
frequency is out of range, set to the recommended resolution using the display settings on
the external device.
Thin lines appear in the background of
the screen.
Check the video cable connections.
The reception on some channels is
poor
Scroll to other channels. There may a problem with the broadcast.
The station signal may be weak. Aim the antenna to the proper direction.
Check if there is local interferences such as an electrical appliance or power tool.