LG 19LS3300-TA Owner's Manual page 49

Audio
Problem
No sound is produced while
images are displaying.
One of the speakers produce
noises or does not produce
sound.
Video
Problem
An image displays in black
and white or the colour quality
is poor.
Horizontal or vertical bars
appears or images blur
Lines or streaks appear on
images
Afterimages (ghosts) appear
when the product turns off
The power is on but the screen
appears extremely dark.
"No Signal" appears on the
screen.
The display offset is wrong.
Thin lines appear in the
background of the screen.
Horizontal noises appear or
characters blur.
The reception on some
channels is poor
Solution
y Press + or - button.
y
y Check if the sound is muted by pressing MUTE.
y
y Scroll to other channels. There may a problem with the broadcast.
y
y Check if the audio cables are connected properly.
y
y A change in ambient humidity or temperature may result in an unusual
y
noise when the product turns on or off.
y There is no problem with your product.
y
Solution
y Adjust the colour setting in the PICTURE menu.
y
y Keep a sufficient distance between this product and other electronic
y
products.
y Scroll to other channels. There may a problem with the broadcast.
y
y Check if there are local interferences such as an electrical appliance
y
or power tool.
y Check the antenna or aim the antenna to the proper direction.
y
y Pixels may have been damaged from a fixed image displayed for
y
a long time (image burn). Use a screen saver to prevent the pixel
damage on the screen.
y Adjust the brightness and contrast in the PICTURE menu.
y
y Check if the signal cable is connected between the TV and products
y
properly.
y Check the selected input source by pressing INPUT.
y
y Adjust the position setting in the PICTURE menu.
y
y Check if the video card resolution and frequency are supported by
y
the product. If the frequency is out of range, set to the recommended
resolution using the display settings on the external device.
y Check the video cable connections.
y
y Adjust the Phase setting in the PICTURE menu.
y
y Scroll to other channels. There may a problem with the broadcast.
y
y The station signal may be weak. Aim the antenna to the proper
y
direction.
y Check if there is local interference such as an electrical appliance or
y
power tool.
49
TROUBLESHOOTING