Trouble symptoms and remedies
If a problem occurs as a result of a connected computer or other equipment, refer to the connected computer/equipment's instruction manual.
Use the self-diagnosis function (page 24) if the following recommendations do not resolve the problem.
For further information and troubleshooting assistance, please visit Sony support website at:
Symptom
No picture
If 1 (power) is not lit, or if 1
(power) will not light up when 1
(power) is touched,
If 1 (power) turns on in red,
If 1 (power) is green,
If "CABLE DISCONNECTED"
appears on the screen,
If "NO INPUT SIGNAL" appears on
the screen, or 1 (power) is orange,
If "OUT OF RANGE" appears on
the screen (page 21),
If using Windows,
If using a Macintosh system,
22
Check these items
• Check that the power cord is properly connected.
• Check that the monitor's MAIN POWER switch is on (page 9).
• Check that 1 (power) is on.
• Use the self-diagnosis function (page 24).
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets (page 7).
• Check that the video input connector's pins are not bent or pushed in.
• Check that the input select setting is correct (page 11).
• A non-supplied video signal cable is connected. If you connect a non-supplied video
signal cable, "CABLE DISCONNECTED" may appear on the screen. This is not a
malfunction.
• Check that the video signal cable is properly connected and all plugs are firmly seated in
their sockets (page 7).
• Check that the video input connector's pins are not bent or pushed in.
• Check that the input select setting is correct (page 11).
xProblem caused by a connected computer or other equipment, and not
caused by the monitor
• The computer is in the power saving mode. Try pressing any key on the keyboard or
moving the mouse.
• Check that your graphics board is installed properly.
• Check that the computer's power is on.
• Restart the computer.
xProblem caused by a connected computer or other equipment, and not
caused by the monitor
• 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
computer's graphics board within the following ranges:
Horizontal frequency: 28–92 kHz (analog RGB), 28–75 kHz (digital RGB)
Vertical frequency: 48–85 Hz (analog RGB), 60 Hz (digital RGB)
Resolution: 1600 × 1200 or more*, 1920 × 1200 or less
* Only when the vertical frequency is set to 60 Hz.
• If you replaced an old monitor with this monitor, reconnect the old monitor and do the
following. Select "SONY" from the "Manufacturers" list and select "SDM-P234" from
the "Models" list in the Windows device selection screen. If "SDM-P234" does not appear
in the "Models" list, try "Plug & Play."
• When connecting a Macintosh computer, use an adapter (not supplied) if necessary.
Connect the adapter to the computer before connecting the video signal cable.
http://www.sony.net/.