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Troubleshooting
Troubleshooting
Symptom
No picture is
displayed
There is
interference on the
Display or audible
noise.
Colour is abnormal
Picture is distorted
and has abnormal
patterns
Displayed image
does not fill the
screen.
Sound is audible,
but there is no
picture.
Picture is present,
but there is no
sound.
Some picture
elements do not
light up.
44
English
Possible Cause
1.
The power cord is disconnected.
2.
The main power switch on the back of the
Display is not switched on.
3.
The selected input has no connection.
4.
The Display is in standby mode.
Caused by surrounding electrical appliances or
fluorescent lights.
The signal cable is not connected properly.
1.
The signal cable is not connected properly.
2.
The input signal exceeds the capabilities of
the Display.
1.
The zoom mode is not set correctly.
2.
Scan Mode may be set incorrectly to
Underscan.
3.
If the image exceeds the screen size, Scan
Mode may need to be set to Underscan.
Source signal cable is not connected properly.
1.
Source signal cable is not connected
properly.
2.
Volume is turned all the way down.
3.
{Mute} is turned on.
4.
No external speaker connected.
Some pixels on the Display may not turn on.
Remedy
1.
Plug in the power cord.
2.
Make sure the power switch is on.
3.
Connect a signal source to the
Display.
Check for the source of interference by
moving the display to another location.
Make sure that the signal cable at the
back of the Display is attached firmly.
1.
Make sure that the signal cable is
attached firmly.
2.
Check the video signal source to see
if it is beyond the range of the Display.
Please check the signal compatibility
with the details in the Display
specification section.
Use the Zoom mode or Custom zoom
function in the Screen menu to fine tune
Display geometry and time frequency
parameter.
Make sure that both the video and sound
inputs are connected correctly.
1.
Make sure that both video and sound
inputs are correctly connected.
2.
Press the [
] or [
3.
Switch MUTE off with the [MUTE]
button.
4.
Connect external speakers and adjust
the volume to a suitable level.
This Display is manufactured using
an extremely high level of precision
technology: however, sometimes a very
few inactive pixels may be present. This is
not a malfunction.
] button.
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