LG 42LV3700 Owner's Manual page 37

TROUBLESHOOTING
115
Problem , ResOlution
An image displays in black and
white or the color 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.
Adjust the color setting in the menu option.
Keep a sufficient distance between this product and other electronic products.
Scroll to other channels. There may a problem with the broadcast.
Check if there are locat interferences such as an electrical appliance or power
toot.
Check the antenna or aim the antenna to the proper direction.
Pixets may have been damaged from a fixed image displayed for a long time
(image burn). Use a screen saver to prevent the pixet damage on the screen.
Adjust the brightness and contrast in the menu option.
"No Signat" appears on the screen. Check if the signal cable is connected between the TV and products properly.
Check the selected input source by pressing INPUT.
Black spots appear on the screen. Several pixets in red, green, white, or black may appear on the screen that can
attribute to the characteristics of the LCD panel.
This is normal.
The display offset is wrong. Adjust the position setting in the Picture menu.
Check if the video card resolution and frequency are supported by the product.
If the frequency is out of range, set to the recommended resolution using the
display settings on the externat device.
Thin lines appear in the background Check the video cable connections.
of the screen.
Horizontal noises appear or Adjust the Phase setting in the menu option.
characters blur. Refer to the "SCREEN (RGB-PC)".
The reception on some channels is Scroll to other channels. There may a problem with the broadcast.
)oor The station signal may be weak. Aim the antenna to the proper direction.
Check if there is local interference such as an electrical appliance or power
tool.
The file does not appear on the
Movie List.
Problem , ReSolUtion
Check whether the extension is supported,
Message is displayed
saying "This file is invalid" or the
audio is working normally but the
video is not working normally.
Message is displayed saying
"Unsupported Audio" or the video
is working normally but the audio is
not working normally.
Subtitle is not working.
Check whether the file is playing normally on a PC. (Check whether the file is
damaged.)
Check whether the resolution is supported.
Check whether the video/audio codec is supported.
Check whether the frame rate is supported.
Check whether the file is playing normally on a PC. (Check whether the file is
damaged.)
Check whether the audio codec is supported.
Check whether the bit rate is supported.
Check whether the sample rate is supported.
Check whether the file is playing normally on a PC. (Check whether the file is
damaged.)
Check whether the video file and subtitle file name are the same.
Check whether the video file and subtitle file are located in the same folder.
Check whether the subtitle file is supported.
Check whether the language is supported. (When you open the subtitle file in
Memo Pad, you can check the language of the subtitle file.)