Philips 170W4P7499 User Manual
Page 34
Vertical flicker appears
Press the Auto button.
●
Eliminate the vertical bars using the Clock
Adjustment of VIDEO NOISE in OSD Main
Controls.
●
Horizontal flicker appears
Press the Auto button.
●
Eliminate the horizontal bars using the Phase
Adjustment of VIDEO NOISE in OSD Main
Controls.
●
The screen is too bright or too dark
Adjust the contrast and brightness in 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.
●
An after-image appears
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
●
An after-image remains after the power
has been turned off.
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 given amount of time
●
Green, red, blue, dark and white dots
remains
The remaining dots are normal characteristic of
the liquid crystal used in today’s technology.
●
For further assistance, refer to the
list and contact your local Philips
distributor.
Troubleshooting
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