23
ENGLISH
TROUBLESHOOTING
●
Make the checks suggested below depending on the symptoms observed. If the symptoms remain
uncorrected, contact your dealer.
Symptom
Point to check
See page
●
The screen appears blank
with the power-indicating
lamp off.
→
Check the way the power cable is connected.
→
Make sure the main power switch is on.
→
Press the power switch.
●
The message “POWER
SAVE” is displayed.
●
The screen appears blank
with the power indicating
lamp flickering in green.
No sync signal is detected.
→
Check the way the signal cable is connected.
→
Check to see if the input selection matches the
connection terminal.
→
When RGB input is selected, make sure the
computer switch is turned on and the power save
mode of the computer is off.
●
The message “OUT OF FREQUENCY” is
displayed.
An input signal is not received normally.
→
Check to see if the input signal matches the
monitor specifications.
→
Check the way the signal cable is connected.
●
The power indicating lamp
is normally lit but the
screen appears blank.
→
Check the contrast and brightness settings
(adjust them for higher contrast and brightness).
→
Check the way the signal cable is connected.
●
The display image appears
flowing slantwise.
●
Text displayed across the
screen appears vertically
streaked, with the
characters in vertical
columns blurred.
→
Adjust the dot clock frequency and phase.
(Adjust the dot clock frequency first, the dot clock
phase next.)
●
Text displayed across the
screen appears blurred.
●
A fine pattern flickers when
displayed on the screen.
→
Adjust the dot clock phase for the clearest
viewing.
●
The remote controller does not work.
→
Check to see if the batteries are loaded in the
remote controller in opposite direction.
→
Check to see if the batteries in the remote
controller are OK.
●
There are locations on the screen that are
different from the periphery (
*
).
*
Points that do not light, points with brightness
different from that of the periphery, points with
color different from that of the periphery, etc.
→
High-precision technology is used to
manufacturing the plasma display panel but, in
some cases, there are minor defects in some
parts of the screen. Please note that this is not a
malfunction.
POWER SAVE
OUT OF FRQUENCY
Ａ
Ａ
Symptoms That Seemingly Appear to be Failures
■
Customer servicing can be hazardous.
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Summary of Contents for CMP307XE
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