User Manual BDL5545E
52
7.2. TROUBLESHOOTING
Symptom Possible Cause Remedy
No picture is displayed 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.
1. Plug in the power cord.
2. Make sure the power switch is switched on.
3. Connect a signal connection to the display.
Interference displayed on
the
display or audible
noise is heard
Caused by surrounding electrical appliances
or fluorescent lights.
Move the
display to another location to see is
the interference is reduced.
Color is abnormal The signal cable is not connected properly. Make sure that the signal cable is attached
firmly to the back of the
display.
Picture is distorted with
abnormal patterns
1. The signal cable is not connected properly.
2. The input signal is beyond the capabilities
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.
Display image doesn’t fill
up the full size of the
screen
The zoom mode is not correctly set. Use the Zoom mode or Custom zoom function
in the Screen menu to fine tune display
geometry and time frequency parameter.
Can hear sound, but no
picture
Improperly connected source signal cable. Make sure that both video inputs and sound
inputs are correctly connected.
Can see picture but no
sound is heard
1. Improperly connected source signal cable.
2. Volume is turned all the way down.
3. MUTE is turned on.
4. No external speaker connected.
1. Make sure that both video inputs and sound
inputs are correctly connected.
2. Use VOL UP/VOL DOWN button to hear
sound.
3. Switch MUTE off by using the MUTE button.
4. Connect external speakers and adjust the
volume to a suitable level.
Some picture elements do
not light up
Some pixels of the display may not turn on.
This
display is manufactured using an
extremely high level of precision technology:
however, sometimes some pixels of the
display
may not be illuminated. This is not a
malfunction.
After-Images can still be
seen on the
display after
having been powered off.
(Examples of still pictures
include logos, video
games, computer images,
and images displayed in
4:3 normal mode)
A still picture is displayed for an over extended
period of time
Do not allow a still image to be displayed for an
extended period of time as this can cause a
permanent after-image to remain on the
display.
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