LG 43SH7PE Owner's Manual page 41

30
After-image appears on the product.
Problem
After-image appears when the product is
turned off.
The audio function does not work.
Problem
No sound?
Sound is too dull.
Sound is too low.
Screen color is abnormal.
Problem
Screen has poor color resolution (16
colors).
Screen color is unstable or mono-colored.
Do black spots appear on the screen?
The operation does not work normally.
Problem
The power suddenly turned off.
• If you use a fixed image for a long time, the pixels may be damaged.
Use the screen-saver function.
• 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.
• See if the audio cable is connected properly.
• Adjust the volume.
• See if the sound is set properly.
• Select the appropriate equalizer sound.
• Adjust the volume.
• Set the number of colors to more than 24 bits (true color). Select
[Control Panel] → [Display] → [Settings] → [Color Table] in Windows.
(The settings may differ depending on your operating system.)
• Check the connection status of the signal cable. Or, re-insert the PC
graphics card.
• Several pixels (red, green, blue, 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.
• Is the Timer set?
• Check the power control settings. Power interrupted.
Action
Action
Action
Action