20
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.
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)?
No sound.
]
Is the volume set at minimum (see page
9)?
]
Is the muting function activated (see
page 9)?
Self-diagnostic lamp lights
(flashes).
]
See page 21 for details.
Power is not supplied.
]
Is the power cord connected (see page
8)?
]
Is the main power switch (POWER)
turned on (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?
Symptom
Probable cause and corrective action
Page
Power is suddenly turned on
or off.
The power-on/off timer is activated. Deactivate the timer.
15
The picture becomes blurred.
• For RGB input, adjust “DOT CLOCK” and “CLOCK PHASE” on the
main menu.
• If the connection cable used for RGB terminal is long, set
“SYNC TERM.” to “LOW.”
11
•
15
Color is abnormally bright or
dark.
• Adjust the picture quality on “PICTURE SETTING” of the main
menu.
• If “TEMP. OVER” is displayed, follow the procedure described
on page 21.
11
•
21
Color is poor or unstable.
Select the correct color system.
13
The picture is cut or shifted
toward one side.
• Input signals (scanning frequency, etc.) are not appropriate.
• Adjust the size and position properly.
7
•
11
Menu does not appear or
disappears quickly.
When “INPUT B” of “INPUT CONFIGURATION” is set to
“COMPONENT” with a personal computer connected to the
RGB/COMPO. terminal, the menu operation is not available.
Select another input to operate the menu.
12
Some items are not shown on
the menu.
Items not available for the current input signal are not
displayed. Change the input or signal format. Some items are
displayed only when the corresponding optional input card is
inserted.
—
“PLEASE ENTER PASS ID”
appears when trying to turn on
the monitor.
The Security Lock is activated. Enter the password to turn on the
monitor, and then deactivate the Security Lock.
14, 17
Buttons on the main unit do not
work.
The Control Lock is activated. Deactivate it.
15
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.
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