LG 47WV30 Owner's Manual page 54

54
TROUBLESHOOTING
The screen image looks abnormal.
Problem
Is the screen position wrong?
Do thin lines appear on the
background screen?
Horizontal noise appears or the
characters look blurred.
The screen is displayed abnormally.
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?
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select the optimal screen status that fits into the
current mode. If adjustment is not satisfactory, use the Position OSD
menu.
y See if the video card resolution and frequency are supported by the
product. If the frequency is out of range, set to the recommended
resolution in the Control Panel "Display" Setting menu.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, use the size OSD
menu.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, use the Phase OSD
menu.
y The proper input signal is not connected to the signal port. Connect
the signal cable that matches with the source input signal.
y If you use a fixed image for a long time, the pixels may be damaged
quickly. Use the screen-saver function.
y See if the audio cable is connected properly.
y Adjust the volume.
y See if the sound is set properly.
y Select the appropriate equalize sound.
y Adjust the volume.
y Set the number of colors to more than 24 bits (true color) Select
Control Panel - Display - Settings - Color Table menu in Windows.
y Check the connection status of the signal cable. Or, re-insert the PC
video card.
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. It is not a malfunction of the LCD.
Resolution
Resolution
Resolution
Resolution