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102 |
General Troubleshooting Guide
General Troubleshooting Guide
1 103 |
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Turn on monitor with a full image
for 30 minutes (due to drift).
¥
| Color Purity or Blotchy or Streaky!
T
There are 2 easy ways to determine the Missing color problem.
1. View an image that is supposed to be "White".
YES
lf 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
—¥-
Press Degauss button (or via the OSD manipulation)
or Turn unit "OFF" then "ON" to degauss.
1. Turn off monitor.
2, Disconnect video
colors can not be displayed.
[Does degaussing resolve 7 NO
cable.
4
3. Turn on monitor.
YES
=
aE
+
+
Note the location of "problem
area" (Color impurity)
|!
END
u
Colors on warning
signal OK ?
Observe the "problem area"
u
while tuming the monitor 90
YES
degrees left of center and
*
right of center.
Check video cable for
Cyan Color means that the red gun
Dent PINS JEP Sent
yee:
Does the "problem area"
move on the screen as you
NO
are turning the monitor ?
Signal cable pins
+
+
=
ae
Monitor related ?
OK ?
:
|
Environment related ?
Power off any monitor that
YES
is within 2 or 3 feet away.
¥
Magenta or Purple Color means that
re
|
1. Try eal ss
the green gun is missing
Check for magnetic interference
Remove any unshielded
oes
and try to remove.
speakers away from the
2. Try monitor with
Try moving the monitor to see if
monitor.
another system.
problem goes away.
—
3. Try changing in
+
+
|
s
the application.
=
7
Make sure there are no
7 igrhcka
aia
flourescent light fixtures
x!
close to the monitor.
Yellow Color means that the blue gun
Is picture displayed
ar
pe
normally?
NO
Try to keep monitor
away from large metal
structures, power poles,
fans and metal carts.
NO
|
is missing.
Check for other devices
|that may be causing
i
is picture displayed
normally?
It is need to check and
repair the monitor.
YES
YES
itis need to check and
END
repair the monitor.
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