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9.2.
Troubleshooting
Symptom
No picture is displayed
Interference displayed on the display
or audible noise is heard
Color is abnormal
Picture is distorted with abnormal
patterns
Display image doesn't fill up the full
size of the screen
Can hear sound, but no picture
Can see picture but no sound is
heard
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 is beyond 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.
Improperly connected source signal
cable.
1. Improperly connected source
signal cable.
2. Volume is turned all the way
down.
3. {Mute} is turned on.
4. No external speaker connected.
47
Remedy
1. Plug in the power cord.
2. Make sure the power switch is
switched on.
3. Connect a signal connection to the
display.
Move the display to another location
to see is the interference is reduced.
Make sure that the signal cable is
attached firmly to the back of the
display.
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 verify its
specifications with this display's
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 video inputs and
sound inputs are correctly connected.
1. Make sure that both video inputs
and sound inputs are correctly
connected.
[
]
[
2. Press
or
hear sound.
3. Switch MUTE off by using the
[
]
button.
4. Connect external speakers and
adjust the volume to a suitable
level.
DS55MU01
]
button to
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Table of Contents
Troubleshooting
