Trouble Shooting - Philips 190B5CG/00 Service Manual

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

Trouble Shooting

·
Press the Auto button.
·
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.
·
Press the Auto button.
·
Eliminate the vertical bars using the Clock Adjustment of
VIDEO NOISE in OSD Main Controls.
·
Press the Auto button.
·
Eliminate the horizontal bars using the Phase Adjustment of
VIDEO NOISE 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
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.
79
190B5 LCD
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