Philips 191E1 Electronic User's Manual page 12

Troubleshooting
file:///D|/Rachel/PHILIPS/191E1/191E1%20EDFU/lcd/manual/ENGLISH/191E1/safety/saf_troub.htm (2 of 3)2009/7/22 上午 09:13:53
Image vibrates on the screen
Vertical flicker appears
Horizontal flicker appears
The screen is too bright or too dark
An after-image appears
An after-image remains after the power
has been turned off.
Green, red, blue, dark, and white dots
remains
Check that the VGA cable is properly connected to the
graphics board or PC.
Press the Auto button.
Eliminate the vertical bars using the Phase/Clock of More
Settings in OSD Main Controls.
Press the Auto button.
Eliminate the vertical bars using the Phase/Clock of More
Settings in OSD Main Controls.
Adjust the contrast and brightness on On-Screen Display.
(The backlight of the LCD monitor has a fixed life span. When
the screen becomes dark or begins to flicker, please contact
your sales representative).
If an image remains on the screen for an extended period of
time, it may be imprinted in the screen and leave an after-
image. This usually disappears after a few hours
This is characteristic of liquid crystal and is not caused by a
malfunction or deterioration of the liquid crystal. The after-
image will disappear after a peroid of time.
The remaining dots are normal characteristic of the liquid
crystal used in today's technology.