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Troubleshooting
Vertical flicker appears
● Press the Auto button.
● Eliminate the vertical bars using the Phase/Clock of Setup in OSD Main
Controls.
Horizontal flicker appears
● Press the Auto button.
● Eliminate the vertical bars using the Phase/Clock of Setup in OSD Main
Controls.
The screen is too bright or too dark
● 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).
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
peroid 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.
Adjust blue "power on" light
● Adjust blue "power on" light using the power LED of Setup in OSD Main
Controls.
For further assistance, refer to the Consumer Information Centers list and contact Philips customer service representative.
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file:///G|/CD MANUAL/813/190B9/lcd/manual/ENGLISH/190B9/safety/saf_troub.htm（第 2／3 页）2008-5-20 9:08:17
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