Troubleshooting - Philips 50BDL3010Q User Manual

8.2.

Troubleshooting

Symptom
No picture is displayed
Interference displayed on the display or an
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
Some picture elements do not light up
After-Images can still be seen on the display
after the display is powered off. (Examples
of still pictures include logos, video games,
computer images, and images displayed in 4:3
normal mode)
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 the 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.
Source signal cable is connected improperly
1. Source signal cable is connected improperly.
2. Volume is turned all the way down.
3. {Mute} is turned on.
4. No external speaker is connected.
Some pixels of the display are off.
A still picture is displayed for an over extended
period of time
24
Remedy
1. Plug in the power cord.
2. Make sure that the power switch is switched
on.
3. Connect a signal connection to the display.
Move the display to another location to see if 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 connected correctly.
1. Make sure that both video inputs and sound
inputs are connected correctly.
2. Press [ ] or [ ] button to hear sound.
3. Switch MUTE off by using the [
4. Connect external speakers and adjust the
volume to a suitable level.
This display is designed using an extremely high
level of precision technology: however, sometimes
some pixels of the display may not display. This is
not a malfunction.
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.
] button.