LG 55VM5B Owner's Manual page 21

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.
NOTE
• The software-related contents may be changed without prior notice due to upgrade of the product
functions.
See if the audio cable is connected properly.
y
Adjust the volume of the external device.
y
See if the sound is set properly.
y
Select the appropriate equalizing sound of the external device.
y
Adjust the volume of the external device.
y
Set the number of colors to more than 24 bits (true color). Select
y
Control Panel - Display - Settings - Color Table menu in Windows.
Check the connection status of the signal cable. Or, re-insert the
y
PC graphics card.
Several pixels (red, green, white, or black color) may appear
y
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?
y
Check the power control settings. Power interrupted.
y
Action
Action
Action
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