LG 42PN4500 Owner's Manual page 29

TROUBLESHOOT NG / EXTEF¢NAL CONTROL DEVCE SETUP 29
An image displays in black and
white or the color quality is poor.
Horizontal or vertical bars appears
or images blur
Lines or streaks appear on images
Afterimages (ghosts) appear when
the product turns off
The power is on but the screen
appears extremely dark.
"No Signal" appears on the screen.
• 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.
• Check if there are local interferences such as an electrical appliance or power
tool.
Check the antenna or aim the antenna to the proper direction.
Pixets may have been damaged from a fixed image displayed for a long time
(image burn). Use a screen saver to prevent the pixet damage on the screen.
Adjust the brightness and contrast in the menu option.
• 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 pixets 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 Check the video cable connections.
of the screen.
The reception on some channels is Scroll to other channels. There may a problem with the broadcast.
)oor 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.
EXTERNAL CONTROL DEVICE SETUP
To obtain the external control device setup information, please visit 'www.lg.com'.