Troubleshooting - Philips 190CW7CS/00 Service Manual

This page deals with problems that can be corrected by a user. If the problem still persists after you have tried thesesolutions, contact Philips
customer service representative.
Common Problems
Having this problem
No Picture
(Power LED not lit)
No Picture
(Power LED is amber or yellow)
Screen says
ATTENTION
CHECK CABLE CONNECTION
AUTO button not working properly
Imaging Problems
Display position is incorrect
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

Troubleshooting

Check these items
1.Make sure the power cord is plugged into the power outlet and into the back of the
monitor.
2.First, ensure that the power button on the front of the monitor is in the OFF position,
then press it to the ON position.
1.Make sure the computer is turned on.
2. Make sure the signal cable is properly connected to your computer.
3.Check to see if the monitor cable has bent pins.
4.The Energy Saving feature may be activated
1. Make sure the monitor cable is properly connected to your computer. (Also refer
to the Quick Set-Up Guide).
2.Check to see if the monitor cable has bent pins.
3. Make sure the computer is turned on.
1.The Auto Function is designed for use on standard Macintosh or IBM-compatible
PCs running Microsoft Windows.
2. It may not work properly if using nonstandard PC or video card.
1.Press the Auto button.
2. Adjust the image position using the Horizontal Position and/or Vertical
Position in OSD Main Controls.
Check that the signal cable is properly connected to the graphics board or PC.
1. Press the Auto button.
2. Eliminate the vertical bars using the More Settings of Phase/Clock in OSD Main
Controls.
1. Press the Auto button.
2. Eliminate the vertical bars using the More Settings of Phase/Clock in OSD Main
Controls.
Adjust the contrast and brightness on OSD Main Controls. (The backlight of the
LCD monitor has a fixed life span. When the screen becomes dark or begins to
flicker, please contact your dealer).
If an image remains on the screen for an extended period of time, it may be
imprinted in the screen and leave an afterimage. 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.
190CW7 LCD 5