LG 47LS55A-5B User Guide
40
TROUBLESHOOTING
ENGLISH
After-image appears on the product.
Problem
Action
After-image appears when the
product is turned off.
»
y
If you use a fixed image for a long time, the pixels may be
damaged. Use the screen-saver function.
»
y
When a dark image is displayed on the screen after an image
with high contrast (black and white or gray), this may cause
image sticking. This is normal for LCD screen products.
Screen color is abnormal.
Problem
Action
Screen has poor color resolution
(16 colors).
»
y
Set the number of colors to more than 24 bits (true color).
Select Control Panel - Display - Settings - Color Table menu
in Windows.
Screen color is unstable or mono-
colored.
»
y
Check the connection status of the signal cable. Or, re-insert
the PC video card.
Do black spots appear on the
screen?
»
y
Several pixels (red, green, white, or black color) may appear
on the screen, which can be attributable to the unique
characteristics of the LCD panel. This is not a malfunction of
the LCD.
The operation does not work normally.
Problem
Action
The power suddenly turned off.
»
y
Is the Timers set?
»
y
Check the power control settings. Power interrupted.
T
he audio function does not work.
Problem
Action
No sound?
»
y
See if the audio cable is connected properly.
»
y
Adjust the volume.
»
y
See if the sound is set properly.
Sound is too dull.
»
y
Select the appropriate equalizer sound.
Sound is too low.
»
y
Adjust the volume.