25
Troubleshooting
Symptom Possible Cause Resolution
No picture
(power
indicator does
not light up)
Power cord not
securely connected
Make sure the power cord is firmly inserted into the
socket and outlet.
Power switch is off Turn on the power switch on the bottom of the display.
Power outlet is off
or not working
Try plugging a different device into the outlet and see if
it turns on. If not, turn on the outlet or use a different
outlet.
No picture
(power
indicator is
red)
The display is in
power-saving mode
If connected to a computer and in VGA or HDMI mode,
press a key on the keyboard or move the mouse.
Otherwise, press a button on the remote.
The display is off Press the power button on the remote or on the front of
the display.
No picture
(power
indicator is
green)
No signal Make sure the proper source is selected. If there is still
no picture, check the signal cable(s) and signal source.
Contrast or
brightness too low
Adjust the contrast and/or brightness until picture
appears.
Unclear or
noisy picture
Signal cable(s) not
securely connected
Make sure the signal cable(s) are firmly connected.
Poor TV signal Check the TV signal. If using an antenna, adjust the
position for better signal. If using cable or satellite TV,
contact your service provider.
No sound Audio cable(s) not
securely connected
Make sure the audio signal cable(s) are firmly
connected.
Headphones
plugged in
Unplug the headphones.
Audio muted Unmute the audio by pressing the MUTE button on the
remote.
Display is too
dark or too
bright
Contrast or
brightness too low
or too high
Adjust the contrast and/or brightness to desired setting.
Display not
centered
Position incorrectly
adjusted in OSD
Adjust the image position in the PC menu in the OSD
(see “PC” on page 19).
Image
vibrating
Signal cable(s) not
securely connected
Make sure the signal cable(s) are firmly connected.
Power voltage too
high or too low
Check the power source to make sure it matches the
display specification. Try a different power outlet on a
different circuit.
OMPLTV3250-1.book Page 25 Monday, July 17, 2006 8:15 PM
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