LG 42PW450 Owners Manual - Page 93

Video, Problem, Resolution, INPUT

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TROUBLESHOOTING 93 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. Resolution yyAdjust the colour setting in the Picture menu (See p.67). yyKeep a sufficient distance between this product and other electronic products. yyScroll to other channels. There may a problem with the broadcast. yyCheck if there are local interferences such as an electrical appliance or power tool. yyCheck the antenna or aim the antenna to the proper direction. yyPixels 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. yyAdjust the brightness and contrast in the Picture menu (See p.67). yyCheck if the signal cable is connected between the TV and products properly. yyCheck the selected input source by pressing INPUT. Black spots appear on the screen. yySeveral pixels 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. yyAdjust the position setting in the Picture menu (See p.67). yyCheck 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 external device. Thin lines appear in the background yyCheck the video cable connections. of the screen. Horizontal noises appear or characters blur. yyAdjust the Phase setting in the Picture menu. See "SCREEN" on p.69 The reception on some channels is yyScroll to other channels. There may a problem with the broadcast. poor yyThe station signal may be weak. Aim the antenna to the proper direction. yyCheck if there is local interference such as an electrical appliance or power tool. ENEGNLGISH

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93
ENG
ENGLISH
TROUBLESHOOTING
Problem
Resolution
An image displays in black and
white or the colour quality is poor.
y
Adjust the colour setting in the Picture menu (See p.67).
y
Keep a sufficient distance between this product and other electronic products.
y
Scroll to other channels. There may a problem with the broadcast.
Horizontal or vertical bars appears
or images blur
y
Check if there are local interferences such as an electrical appliance or power
tool.
Lines or streaks appear on images
y
Check the antenna or aim the antenna to the proper 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
appears extremely dark.
y
Adjust the brightness and contrast in the Picture menu (See p.67).
“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 LCD panel.
This is normal.
The display offset is wrong.
y
Adjust the position setting in the Picture menu (See p.67).
y
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 external device.
Thin lines appear in the background
of the screen.
y
Check the video cable connections.
Horizontal noises appear or
characters blur.
y
Adjust the Phase setting in the Picture menu.
See "SCREEN" on p.69
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 proper direction.
y
Check if there is local interference such as an electrical appliance or power tool.
Video