SDM-N50PS (serv.man2) - Sony Monitor Service Manual (repair manual). Page 14

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18
 
 
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.
 
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.
 
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.
 
If CABLE DISCONNECTED appears on the screen
 
This indicates that the video signal cable has been disconnected 
from the currently selected connector.
 
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.
OUT OF SCAN RANGE
x x . x k H z /
x x H z
I NFORMA T I ON
NO
I NPUT S I GNA L
I NPUT : 1
GO TO POWER SAVE
I NFORMA T I ON
CAB L E D I SCONNECT ED
I NPUT : 1
GO TO POWER SAVE
I NFORMA T I ON
 
19
GB
 
 
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 
indicator is not lit
• Check that the power cord is properly connected.
If the media engine’s AC power 
indicator is red
• Check that the display’s 
 
1
 
 (power) switch is in the “on” position.
The media engine’s AC power 
indicator is flashing red
• Check that the system connecting cable is properly connected and all plugs are firmly 
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 
 
 
(power) indicator 
is not lit, or if the 
 
 
(power) 
indicator will not light up when the 
 
 
(power) switch is pressed
• Check that the display’s 
 
1
 
 (power) switch is in the “on” position.
• Check that the media engine’s AC power switch is in the “on” position.
• Check that the system connecting cable is properly connected and all plugs are firmly 
seated in their sockets (page 8).
If the display’s 
 
 
(power) indicator 
is green or flashing orange
• Use the self-diagnostics function (page 21).
If CABLE DISCONNECTED 
appears on the screen
• Check that the video signal cable is properly connected and all plugs are firmly seated in 
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 
the screen, or the display’s 
 
1
 
 (power) indicator is orange
• Check that the video signal cable is properly connected and all plugs are firmly seated in 
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.
 
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 
on the screen
 
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 
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.” 
 
(continued)
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