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35
TROUBLESHOOTING
Symptoms That Seemingly Appear to be Failures
Make the checks suggested below depending on the symptoms observed. If the symptoms remain uncorrected, contact your dealer.
WARNING
Self servicing can be hazardous.
Symptom Point to check See Page
● There is no picture and the power-indicating lamp is
off.
● Check to see that the power cable is properly connected.
● Press the main switch.
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● In RGB mode, the message “No cable connected”
and “Going to sleep” is displayed.
● In Video mode, the message “No sync Detected” is
displayed.
● There is no picture and the power indicating lamp
lights orange.
No sync signal is detected.
● Check that the signal cable is properly connected.
● Make sure that the computer, imaging equipment, etc., is turned
on.
● Make sure the computer is not in power-save mode.
● Ensure that the input selection matches the connection terminal.
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● The message “Invalid Mode.” is displayed.
An input signal is received abnormally.
● Ensure that the input signal matches the monitor specifications.
● Check to see that the signal cable is properly connected.
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● The power indicating lamp is lit normally but there is
no picture.
● Check the contrast and brightness settings (adjust them for higher
contrast and brightness).
● Check to see that the signal cable is properly connected.
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● The display image appears slanted.
Text displayed across the screen appears vertically
streaked, with the characters in vertical columns
blurred.
● Adjust the clock frequency and the phase. (Adjust the clock
frequency first, the dot clock phase next.)
(RGB input)
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● Text displayed across the screen appears blurred.
A fine pattern flickers when displayed on the screen.
● Adjust the clock phase till the desired clarity is obtained.
(RGB input)
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● The remote control does not work. ● Ensure that the batteries in the remote control are inserted with
the correct polarity.
● Check to see that the batteries in the remote control are functional.
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ENGLISH
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