LG 47LW5700 Benutzeranleitung
138
ENG
ENGLISH
TROUBLESHOOTING
Video
Problem
Resolution
An image displays in black and
white or the colour quality is poor.
y
Adjust the colour setting in the menu option.
y
Keep a sufficient distance between this product and other electronic prod-
ucts.
y
Scroll to other channels. There may a problem with the broadcast.
Horizontal or vertical bars appears
or images blur
y
Check if there is local interference such as an electrical appliance or power
tool.
Lines or streaks appear on images
y
Check the antenna or aim the antenna to the correct direction.
Afterimages (ghosts) appear when
the product turns off
y
Pixels may have been damaged from a fixed image displayed for a long time
(image burn). Use a screen saver to prevent the pixel damage on the screen.
The power is on but the screen ap-
pears extremely dark.
y
Adjust the brightness and contrast in the menu option.
“No Signal” appears on the screen.
y
Check if the signal cable is connected between the TV and products properly.
y
Check the selected input source by pressing
INPUT.
Black spots appear on the screen.
y
Several pixels in red, green, white, or black may appear on the screen that
can attribute to the characteristics of the panel.
This is normal.
The display offset is wrong.
y
Adjust the position setting in the menu option.
y
Check if the video card resolution and frequency are supported by the prod-
uct. If the frequency is out of range, set to the recommended resolution using
the display settings on the external device.
Thin lines appear in the background
of the screen.
y
Check the video cable connections.
Horizontal noises appear or charac-
ters blur.
y
Adjust the Phase setting in the menu option.
Refer to the “SCREEN”.
The reception on some channels
is poor
y
Scroll to other channels. There may a problem with the broadcast.
y
The station signal may be weak. Aim the antenna to the correct direction.
y
Check if there is local interference such as an electrical appliance or power
tool.