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Troubleshooting
This section may help you isolate a problem and as a result,
eliminate the need to contact technical support, allowing
continued productivity.
No picture
=> If neither the © (power) indicator nor the &
(power saving) indicator is lit.
— Check that the power cord is properly
connected.
— Check that the power switch is in the "on"
position.
=> Ifthe & (power saving) indicator is lit.
— Check that your computer power switch is
in the "on" position.
— The monitor will recover when you press
any key on the keyboard of the computer.
— Check that the video signal cable is
properly connected and all plugs are firmly
seated in their socket.
— Ensure that no pins are bent or pushed in
the video input connector.
=> If the © (power) indicator is flashing (green).
— Check that the video frequency range is
within that specified for the monitor.
=> If the © (power) and/or %& (power saving)
indicators are flashing.
— Turn the monitor off and on. If the indicator
is off, the monitor is in the normal condition.
If the indicator is still flashing, there is a
potential monitor failure.
=> If you do the above procedures and the
monitor does not recover.
— Unplug the video input 1 and 2 connectors
and wait for 5 seconds. Then press and
hold the @ + button for 2 seconds to display
the color bars. If the color bars appear, the
monitor may be in normal condition. Turn
the monitor off and on to return to the
normal operation mode. If the color bars do
not appear, there is a potential monitor
failure.
Picture is scrambled
=
Check this manual and confirm that the
graphic mode and the frequency at which you
are trying to operate is supported. Even within
the proper range some video boards may have
a sync pulse that is too narrow for the monitor
to sync correctly.
Color is not uniform
=> Cycle the power switch once to activate the
Auto-degauss cycle. This function is to
demagnetize the metal frame of the CRT to
obtain neutral field for uniform color
reproduction. If a second degauss cycle is
needed, allow a minimum interval of 20
minutes for the best result.
You cannot adjust the monitor with the buttons
on the front panel
=> If the control lock is set to on, set it to off on
the option OSD. (page 8)
You will be able to adjust the monitor.
White does not look white
=> Adjust color temperature on the option OSD.
(page 7)
12
Screen image is not centered or sized properly
=> Adjust centering, size or picture rotation on
the OSD. (page 5-6)
=> Some video modes do not fill the screen to the
edge of the monitor. There is no single answer
to solve the problem. There is a tendency to
have this problem on higher refresh timings.
Edges of the image are curved
=> Adjust pincushion on the OSD. (page 6)
White lines show red or blue shades at edges
=
Adjust the convergence on the OSD. (page 7)
Picture is fuzzy
=> Adjust the contrast and brightness on the OSD
(page 5). We have come across several brands
of SVGA boards that have an excessive video
output level which creates fuzzy picture at
max contrast.
=> Cycle the power switch once to activate the
Auto-degauss cycle. This function
demagnetizes the metal frame of the CRT to
obtain neutral field for uniform color
reproduction. If a second degauss cycle is
needed, allow a minimum interval of 20
minutes for the best result.
=> If red or blue shades are found at the edge of
images, adjust convergence on the OSD. (page
7)
=> If the moire is cancelled (®) on the option
OSD, the picture may be fuzzy.
— Select " &" on the option OSD. (page 8)
Picture bounces or has wavy oscillations
=> Isolate and eliminate any potential sources of
electric or magnetic fields. Common causes for
this symptom are electric fans, fluorescent
lighting, laser printers, and so on.
>
If you have another monitor close to this
monitor, increase the distance between them
to reduce the interference.
=> Try plugging the monitor into a different AC
outlet, preferably on a different circuit.
=> Try the monitor on a completely different
computer in a different room.
Picture appears to be ghosting
=> Eliminate the use of video cable extension
cable and/or video switch boxes if this
symptom occurs. Excessive cable length or
weak connection can produce this symptom.
Two fine horizontal lines (wires) are visible
=> These wires stabilize the vertically striped
Aperture Grille. This Aperture Grille allows
more light to pass through to the screen giving
the Trinitron CRT more color and brightness.
Wavy or elliptical (moire) pattern is visible
=> Cancel the moire on the option OSD. (page 8)
May be modified according to the model.
* If the problem persists, call your service representative
from a location near your monitor.
* Note the model name and the serial number of your
monitor. Also note the make and name of your computer
and video board.
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