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Trouble symptoms and remedies
If the problem is caused by the connected computer or other equipment, please refer to the connected equipment’s instruction manual.
Use the self-diagnosis function (page 18) if the following recommendations do not resolve the problem.
Symptom Check these items
No picture
If the 1 (power) indicator is not lit • Check that the power cord is properly connected.
• Check that the 1 (power) switch is in the “on” position.
If the NO INPUT SIGNAL message
appears on the screen, or if the
1 (power) indicator is either orange
or alternating between green and
orange
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets (page 6).
• Check that the HD15 video input connector’s pins are not bent or pushed in.
xProblems caused by the connected computer or other equipment
• Check that the computer’s power is “on.”
• Check that the graphic board is completely seated in the proper bus slot.
If the MONITOR IS IN POWER
SAVE MODE message appears on
the screen, or if the 1 (power)
indicator is either orange or
alternating between green and
orange
xProblems caused by the connected computer or other equipment
• The computer is in power saving mode. Try pressing any key on the computer keyboard.
• Check that the computer’s power is “on.”
• Check that the graphic board is completely seated in the proper bus slot.
If the OUT OF SCAN RANGE
message appears on the screen
xProblems caused by the connected computer or other equipment
• Check that the video frequency range is within that specified for the monitor. If you
replaced an old monitor with this monitor, reconnect the old monitor and adjust the
frequency range to the following.
Horizontal: 30 – 96 kHz
Vertical: 48 – 120 Hz
If no message is displayed and the
1 (power) indicator is green or
flashing orange
• Use the Self-diagnosis function (page 18).
If using Windows 95/98 • If you replaced an old monitor with this monitor, reconnect the old monitor and do the
following. Install the supplied Setup Disk (page 7) and select this monitor (“CPD-E400”)
from among the Sony monitors in the Windows 95/98 monitor selection screen.
If using a Macintosh system • Check that the Macintosh adapter and the video signal cable are properly connected
(page 6).
Picture flickers, bounces,
oscillates, or is scrambled • Isolate and eliminate any potential sources of electric or magnetic fields such as other
monitors, laser printers, electric fans, fluorescent lighting, or televisions.
• Move the monitor away from power lines or place a magnetic shield near the monitor.
• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
• Try turning the monitor 90° to the left or right.
xProblems caused by the connected computer or other equipment
• Check your graphics board manual for the proper monitor setting.
• Confirm that the graphics mode (VESA, Macintosh 16" Color, etc.) and the frequency of
the input signal are supported by this monitor (Appendix). Even if the frequency is within
the proper range, some video boards may have a sync pulse that is too narrow for the
monitor to sync correctly.
• Adjust the computer’s refresh rate (vertical frequency) to obtain the best possible picture.
Picture is fuzzy • Adjust the brightness and contrast (page 10).
• Degauss the monitor* (page 12).
• Select MOIRE ADJUST and adjust the moire cancellation effect (page 12).
17
US
* If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. A humming noise may be heard, but this is not a
malfunction.
Displaying this monitor’s name, serial number,
and date of manufacture.
While the monitor is receiving a video signal, press and hold the
center of the control button for more than five seconds to display
this monitor’s information box.
If the problem persists, call your authorized Sony dealer and give
the following information.
• Model name: CPD-E400
• Serial number
• Name and specifications of your computer and graphics board.
Picture is ghosting • Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
Picture is not centered or sized
properly • Adjust the size (page 10) or centering (page 10). Note that some video modes do not fill
the screen to the edges.
Edges of the image are curved • Adjust the geometry (page 11).
Wavy or elliptical pattern (moire)
is visible • Select MOIRE ADJUST and adjust the moire cancellation effect (page 12).
xProblems caused by the connected computer or other equipment
• Change your desktop pattern.
Color is not uniform • Degauss the monitor* (page 12). If you place equipment that generates a magnetic field,
such as a speaker , near the monitor, or if you change the direction the monitor faces, color
may lose uniformity.
White does not look white • Adjust the color temperature (page 11).
Letters and lines show red or blue
shadows at the edges • Adjust the convergence (page 12).
Monitor buttons do not operate
( appears on the screen) • If the control lock is set to ON, set it to OFF (page 13).
A hum is heard right after the
power is turned on • This is the sound of the auto-degauss cycle. When the power is turned on, the monitor is
automatically degaussed for five seconds.
Symptom Check these items
MENU
MODEL : CPD - E4 0 0
SER NO: 1234567
MANUFACTURED: 199
I NFORMA T I ON
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Example