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Troubleshooting
Solutions to common problems related to the monitor are described here. If none of the solutions presented here
solves the problem, unplug the monitor and consult an authorized dealer or service center.
Self-diagnostic lamp lights
(flashes).
]
See page 21 for details.
No sound.
]
Is the volume set at minimum (see page
9)?
]
Is the muting function activated (see
page 9)?
The remote control does not work.
]
Are the batteries installed correctly (see page 4)?
]
Are the batteries exhausted?
]
Is the front end of the remote control pointing toward
the remote sensor?
]
Is there any object blocking the path between the
remote control and the remote sensor?
]
Is the monitor too far away from you?
Power is not supplied.
]
Is the power cord connected (see page
8)?
]
Is the main power switch (POWER)
turned on (see page 9)?
No picture.
]
Is the correct input selected (see page
9)?
]
Are the devices connected correctly
(see page 8)?
]
Are signals being input from the
connected devices?
]
Is brightness adjusted correctly (see
page 11)?
Symptom
Power is suddenly turned on
The power-on/off timer is activated. Deactivate the timer.
or off.
• For RGB input, adjust "DOT CLOCK" and "CLOCK PHASE" on the
main menu.
The picture becomes blurred.
• If the connection cable used for RGB terminal is long, set
"SYNC TERM. " to "LOW. "
• Adjust the picture quality on "PICTURE SETTING" of the main
Color is abnormally bright or
menu.
dark.
• If "TEMP. OVER" is displayed, follow the procedure described
on page 21.
Color is poor or unstable.
Select the correct color system.
The picture is cut or shifted
• Input signals (scanning frequency, etc.) are not appropriate.
toward one side.
• Adjust the size and position properly.
When "INPUT B" of "INPUT CONFIGURATION" is set to
Menu does not appear or
"COMPONENT" with a personal computer connected to the
disappears quickly.
RGB/COMPO. terminal, the menu operation is not available.
Select another input to operate the menu.
Items not available for the current input signal are not
Some items are not shown on
displayed. Change the input or signal format. Some items are
the menu.
displayed only when the corresponding optional input card is
inserted.
"PLEASE ENTER PASS ID"
The Security Lock is activated. Enter the password to turn on the
appears when trying to turn on
monitor, and then deactivate the Security Lock.
the monitor.
Buttons on the main unit do not
The Control Lock is activated. Deactivate it.
work.
The following are not malfunctions:
Pixel defects
LCDs use collections of fine points ("pixels") to display images. While there is no problem with more than 99.99%
of these pixels, please understand that a very small number of pixels may not light, or may light all the time.
The following cases are only problems if an abnormality occurs on pictures or sounds as well:
• A slight electric shock occurs when you touch the monitor.
• The top and/or rear panel of the monitor becomes hot.
• The monitor emits a cracking sound.
• The monitor emits a strange sound.
Probable cause and corrective action
20
Page
15
11
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15
11
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21
13
7
•
11
12
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14, 17
15
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