LG Electronics 42LS75A 49LS75A 55LS75A owner manual After-image appears on the product

ENGLISH

44TROUBLESHOOTING

After-image appears on the product.

Problem	Action
After-image appears when the	yyIf you use a fixed image for a long time, the pixels may be
product is turned off.	damaged. Use the screen-saver function.
	yyWhen 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.

The audio function does not work.

		Problem		Action
		No sound?	yySee if the audio cable is connected properly.
			yyAdjust the volume.
			yySee if the sound is set properly.
		Sound is too dull.	yySelect the appropriate equalizer sound.
		Sound is too low.	yyAdjust the volume.
	Screen color is abnormal.
		Problem		Action
Screen has poor color resolution			yySet the number of colors to more than 24 bits (true color).
(16 colors).				Select Control Panel - Display - Settings - Color Table menu
				in Windows.
Screen color is unstable or mono-			yyCheck the connection status of the signal cable. Or, re-insert
colored.				the PC video card.
Do black spots appear on the			yySeveral pixels (red, green, white, or black color) may appear
screen?				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.			yyIs the Timers set?
			yyCheck the power control settings. Power interrupted.