Troubleshooting - Sony SDM-N50PS Service Manual

Troubleshooting

Before contacting technical support, refer to this section.
On-screen messages
If there is something wrong with the input signal, one of the
following messages appears on the screen. To solve the problem,
see "Trouble symptoms and remedies" on page 19.
If OUT OF SCAN RANGE appears on the screen
This indicates that the input signal is not supported by the
monitor's specifications. Check the following items.
I NFORMA T I ON
OUT OF SCAN RANGE
x x . x k H z / x x H z
If "xx.x kHz/xx Hz" is displayed
This indicates that either the horizontal or vertical frequency
is not supported by the monitor's specifications.
The figures indicate the horizontal and vertical frequencies of
the current input signal. The horizontal frequencies above
100 kHz and the vertical frequencies above 100 Hz are
represented by 99.9 kHz and 99 Hz, respectively.
If "RESOLUTION > XGA" is displayed
This indicates that the resolution is not supported by the
monitor's specifications.
If NO INPUT SIGNAL appears on the screen
This indicates that no signal is input, or that no signal is input
from the currently selected connector.
I NFORMA T I ON
NO I NPUT S I GNA L
I NPUT : 1
GO TO POWER SAVE
INPUT:
This indicates the currently selected connector (INPUT: 1 or
INPUT: 2).
GO TO POWER SAVE
The monitor will enter the power saving mode after about 4
seconds from the message is displayed.
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If CABLE DISCONNECTED appears on the screen
This indicates that the video signal cable has been disconnected
from the currently selected connector.
I NFORMA T I ON
CAB L E D I SCONNECT ED
I NPUT : 1
GO TO POWER SAVE
INPUT:
This indicates the currently selected connector (INPUT: 1 or
INPUT: 2).
GO TO POWER SAVE
The monitor will enter the power saving mode after about 4
seconds from the message is displayed.
Trouble symptoms and remedies
If a 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 21) if the following recommendations do not resolve the problem.
Symptom Check these items
No picture
If the media engine's AC power • Check that the power cord is properly connected.
indicator is not lit
• Check that the display's 1 (power) switch is in the "on" position.
If the media engine's AC power
indicator is red
The media engine's AC power • Check that the system connecting cable is properly connected and all plugs are firmly
indicator is flashing red seated in their sockets (page 8).
• Press the media engine's AC power switch twice to turn the monitor off and then on.
If the display's 1 (power) indicator • Check that the display's 1 (power) switch is in the "on" position.
is not lit, or if the 1 (power) • Check that the media engine's AC power switch is in the "on" position.
indicator will not light up when the • Check that the system connecting cable is properly connected and all plugs are firmly
1 (power) switch is pressed
seated in their sockets (page 8).
If the display's 1 (power) indicator
• Use the self-diagnostics function (page 21).
is green or flashing orange
If CABLE DISCONNECTED • Check that the video signal cable is properly connected and all plugs are firmly seated in
appears on the screen their sockets (page 8).
• Check that the input select setting is correct (page 11).
• Check that the video input connector's pins are not bent or pushed in.
• A non-supplied video signal cable is connected. If you connect a non-supplied video
signal cable, CABLE DISCONNECTED appears on the screen before entering the power
saving mode. This is not a malfunction.
If NO INPUT SIGNAL appears on • Check that the video signal cable is properly connected and all plugs are firmly seated in
the screen, or the display's their sockets (page 8).
1 (power) indicator is orange
• Check that the input select setting is correct (page 11).
• Check that the video input connector's pins are not bent or pushed in.
x Problems caused by the connected computer or other equipment
• The computer is in the power saving mode. Try pressing any key on the keyboard or
moving the mouse.
• Check that the computer's power is "on."
If OUT OF SCAN RANGE appears x Problems caused by the connected computer or other equipment
• Check that the video frequency range is within that specified for the monitor. If you
on the screen
replaced an old monitor with this monitor, reconnect the old monitor and adjust the
frequency range to the following:
Horizontal: 30 – 61 kHz
Vertical frequency: 48 – 85 Hz (only XGA mode at 75 Hz)
If using Windows 95/98 • If you replaced an old monitor with this monitor, reconnect the old monitor and do the
following. Install the Windows Monitor Information Disk (page 9) and select this monitor
("SDM-N50PS") from among the Sony monitors in the Windows 95/98 monitor selection
screen.
If using a Macintosh system • Check and refer to the supplied "Notes for Macintosh users."
GB
(continued)
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