Read Sony CPD-L181 Service Manual online
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18
Additional Information
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 19) if the following recommendations do no resolve the problem.
manual.
Use the self-diagnosis function (page 19) if the following recommendations do no resolve the problem.
Symptom
Check these items
No picture
If the u indicator is not lit
If the “NO INPUT SIGNAL”
message appears on the screen,
or if the u indicator is either
orange or alternating between
green and orange
message appears on the screen,
or if the u indicator is either
orange or alternating between
green and orange
If the “OUT OF SCAN RANGE”
message appears on the screen
message appears on the screen
If no message is displayed and
the u indicator is green or
flashing orange
the u indicator is green or
flashing orange
If using Windows 95/98
If using a Macintosh system
Picture flickers, bounces,
oscillates, or is scrambled.
oscillates, or is scrambled.
Picture is fuzzy.
Picture is dark.
• Check that the power cord is properly connected.
• Check that the u (power) switch is in the “on” position.
• Check that the u (power) switch is in the “on” position.
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets.
• Check that the input select setting is correct.
• Check that the HD15 video input connector’s pins are not bent or pushed in.
p
• Check that the HD15 video input connector’s pins are not bent or pushed in.
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Problems 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 your graphics board is completely seated in the proper bus slot.
• Check that the computer’s power is “on.”
• Check that your graphics board is completely seated in the proper bus slot.
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Problems 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 – 92 kHz, Vertical: 48 – 85 Hz
frequency range to the following.
Horizontal: 30 – 92 kHz, Vertical: 48 – 85 Hz
• Use the self-diagnosis function (page 19).
• If you replaced an old monitor with this monitor, reconnect the old monitor and do the
following. Install the Windows Monitor Information Disk/Utility Disk and select “CPD-
L181” from among the Sony monitors in the Windows 95/98 monitor selection screen.
L181” from among the Sony monitors in the Windows 95/98 monitor selection screen.
• Check that the Macintosh adapter and the video signal cable are properly connected
(page 6).
• Press the AUTO button. If this does not work, adjust the pitch and phase (page 10).
• Isolate and eliminate any potential sources of electric or magnetic fields such as other
• 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
• Try plugging the monitor into a different AC outlet, preferably on a different circuit.
• Try turning the monitor 90
°
to the left or right.
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Problems 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 21” Color, etc.) and the frequency of
• Confirm that the graphics mode (VESA, Macintosh 21” 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 graphics boards may have a sync pulse that is too narrow
for the monitor to sync correctly.
within the proper range, some graphics 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.
• Press the AUTO button. If this does not work, adjust the pitch and phase (page 10).
• Adjust the contrast and brightness (page 12).
• Adjust the contrast and brightness (page 12).
• Adjust the backlight (page 15)
• Adjust the brightness (page 12).
• It takes several seconds for the monitor to warm up after the power is turned on. The
• Adjust the brightness (page 12).
• It takes several seconds for the monitor to warm up after the power is turned on. The
picture will appear momentarily.
19
Getting Started
Additional Information
F
D
ES
GB
I
Additional Information
Symptom
Check these items
Picture appears to be ghosting.
Picture is not centered or sized
properly.
properly.
Wavy or elliptical (moire)
pattern is visible.
pattern is visible.
Color is not uniform.
White does not look white.
Monitor buttons do not
operate.
operate.
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
• Check that all plugs are firmly seated in their sockets.
• Press the AUTO button (page 10).
• Adjust the size (page 12) or centering (page 11). Note that some video modes do not fill
• Adjust the size (page 12) or centering (page 11). Note that some video modes do not fill
the screen to the edges.
• Adjust the pitch and phase (page 10).
• Press the AUTO button. If this does not work, adjust the pitch and phase (page 10).
• Adjust the color temperature (page 14).
• If the control lock is set to LOCK, set it to UNLOCK (page 16).
Self-diagnosis function
This monitor is equipped with a self-diagnosis function. If
there is a problem with your monitor or computer(s), the
screen will go blank and the u (power) indicator will either
light up green or flash orange. If the u (power) indicator is
lit in orange, the computer is in power saving mode. Try
pressing any key on the keyboard.
there is a problem with your monitor or computer(s), the
screen will go blank and the u (power) indicator will either
light up green or flash orange. If the u (power) indicator is
lit in orange, the computer is in power saving mode. Try
pressing any key on the keyboard.
If the u (power) indicator is green
1
Disconnect the video signal cable(s).
2
Before the monitor goes to power saving mode,
press the + button and keep it pressed for 2 seconds.
press the + button and keep it pressed for 2 seconds.
If all four color bars appear (white, red, green, blue), the
monitor is working properly. Reconnect the video signal
cable(s) and check the condition of your computer(s).
monitor is working properly. Reconnect the video signal
cable(s) and check the condition of your computer(s).
If the color bars do not appear, there is a potential monitor
failure. Inform your authorized Sony dealer of the
monitor’s condition.
failure. Inform your authorized Sony dealer of the
monitor’s condition.
If the u (power) indicator is flashing
orange
orange
Press the u (power) button to turn the monitor off and
on.
If the u (power) indicator lights up green, the monitor is
working properly.
on.
If the u (power) indicator lights up green, the monitor is
working properly.
If the u (power) indicator is still flashing, there is a
potential monitor failure. Count the number of seconds
between orange flashes of the u (power) indicator and
inform your authorized Sony dealer of the monitor’s
condition. Be sure to note the model name and serial
number of your monitor. Also note the make and model of
your computer and graphics board.
potential monitor failure. Count the number of seconds
between orange flashes of the u (power) indicator and
inform your authorized Sony dealer of the monitor’s
condition. Be sure to note the model name and serial
number of your monitor. Also note the make and model of
your computer and graphics board.
Displaying the INFORMATION OSD
You can confirm the name, the serial number and the year
of manufacture of this monitor.
of manufacture of this monitor.
Press and hold the MENU button for 5 seconds.
The INFORMATION OSD appears.
The INFORMATION OSD appears.
Example
u
(power)
indicator
Model name
Serial number
Week and year of
manufacture
manufacture
INFORMATION
MODEL : CPD-L181
SER NO : 1234567
MANUFACTURED : 1999-52
SER NO : 1234567
MANUFACTURED : 1999-52
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