Picture Too Dim - Philips 220BW8ES/00 Service Manual

General Trouble Shooting Guide
9
Picture is too dim
Adjust brightness and/or contrast
via the monitor "On Screen Display"
or "Front Control Knob".
Is picture displayed
normally?
YES
END
Note:
1. Sun light passing through a window is much brighter than monitor
luminance (luminance is the measurable quantity which most closely
corresponds to brightness), therefore the two worst places for a
monitor is directly facing the window or directly behind the window.
Position the monitor away from these two areas.
Is an external Anti-Glare screen
(like protective cover, touch
screen...etc) being used?
Remove any external
Anti-Glare screen
Is picture displayed
normally?
YES
END
* Reset the monitor via OSD manipulation.
NO (select Reset to factory settings)
* (or change the color temperature settings to
be 9300 color coordination from OSD menu)
* Try the monitor with another computer
NO (video card could be defective)
Is picture displayed
220BW8 LCD 59
normally?
YES NO
It is need to
check and repair
END
the monitor