Philips 220VW8FB/00 Service Manual page 53

General Trouble Shooting Guide
11
Missing Color
1. Turn off monitor
2. Disconnect video cable
3. Turn on monitor
Colors on warning
signal OK?
YES
Check video cable for bent
pins, reseat it
Signal cable pins OK?
YES
1. Try system with
another monitor.
2. Try monitor with
another system.
3. Try changing in
the application.
Is picture displayed
normally?
It is need to check and
YES
repair the monitor.
END
There are 2 easy ways to determine the Missing color problem.
1. View an image that is supposed to be
If one of the colors (RGB) is not functioning.
White can not be produced.
2. View an image that supposed to contain Red, Green and Blue.
Color problems will be apparent when one or more of these
colors can not be displayed.
Normal White:
+
RED
Cyan Color means that the red sub pixel is missing.
+
RED
Magenta or Purple Color means that the green sub pixel is missing.
+
RED
Yellow Color means that the blue sub pixel is missing.
+
RED
NO
" "
White .
+
=
GREEN BLUE
+ =
BLUE
GREEN
+
=
GREEN BLUE
+ =
BLUE
GREEN
220VW8 LCD 53
WHITE
Cyan
Magenta
Yellow