LG 32LP645H Guía De Referencia Rápida página 26

26
TROuBLESHOOTiNG
Audio
Problem
No sound is produced while images are
displaying.
No output from one of the speakers
Unusual sound from inside the TV is
produced.
Video
Problem
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.
"No Signal" appears on the screen.
Black spots appear on the screen.
The display offset is wrong.
Thin lines appear in the background of
the screen.
The reception on some channels is
poor
Press VOL + 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 TV Speaker feature is activated in the menu option.
y y
Adjust Balance in the menu option.
y y
A change in ambient humidity or temperature may result in an unusual noise when the
y y
product turns on or off. There is no problem with your product.
Adjust the color setting in the menu option.
y y
Keep a sufficient distance between this product and other electronic products.
y 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 or power tool.
y 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 a long time (image burn).
y y
Use a screen saver to prevent the pixel damage on the screen.
Adjust the brightness and contrast in the menu option.
y y
Check if the signal cable is connected between the TV and products properly.
y y
Check the selected input source by pressing INPUT.
y y
Several pixels in red, green, white, or black may appear on the screen that can attribute to
y y
the characteristics of the panel.
This is normal.
y y
Adjust the position setting in the Picture menu.
y y
Check if the video card resolution and frequency are supported by the product. If the
y y
frequency is out of range, set to the recommended resolution using the display settings on
the external device.
Check the video cable connections.
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 direction.
y y
Check if there is local interferences such as an electrical appliance or power tool.
y y
Solution
Solution