LG 42LS33A Owner's Manual download pdf (Page 45)

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TROUBLESHOOTING

After-image appears on the product.

Problem Resolution

After-image appears when the

product is turned off.

If you use a fixed image for a long time, the pixels may be damaged

quickly. 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.

The audio function does not work.

Problem Resolution

No sound?

See if the audio cable is connected properly.

Adjust the volume.

See if the sound is set properly.

Sound is too dull.

Select the appropriate equalize sound.

Sound is too low.

Adjust the volume.

Screen color is abnormal.

Problem Resolution

Screen has poor color resolution

(16 colors).

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.

Check the connection status of the signal cable. Or, re-insert the PC

video card.

Do black spots appear on the

screen?

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. It is not a malfunction of the LCD.

The operation does not work normally.

Problem Resolution

The power suddenly turned off.

Is Off Timer set?

Check the power control settings. Power interrupted.

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LG 42LS33A Owner's Manual Page 45