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Troubleshooting
Before you call for service, determine the symptoms and make a few simple checks as shown below.
Picture
Interference
Normal Picture
?
No Picture
?
No Picture
No Colour
Image too bright
Plasma Display panel
Symptoms
Some parts of the screen do not
light up
Afterimages appear
30
Symptoms
Sound
Noisy Sound
No Sound
No Sound
Normal Sound
Normal Sound
Normal Sound
The plasma display panel is manufactured using an extremely high level of
precision technology, however sometimes some parts of the screen may have
missing picture elements or have luminous spots. This is not a sign of a
malfunction.
If still video images or computer images are displayed for long periods of time, an
afterimage may appear. In such cases, display an image which has some degree
of movement in it to reduce the afterimage effect.
Checks
Electrical Appliances
Cars/Motorcycles
Fluorescent light
Volume
(Check whether the mute function has been
activated on the Remote Control.)
Not plugged into AC outlet
Not switched on
Contrast and Brightness/Volume setting
(Check by pushing the Power Switch or
Stand-by Button on the Remote Control.)
If a signal with a non-applicable colour
system, format or frequency is input, only the
input terminal indication is displayed.
Colour controls set at minimum level.
Colour System (Refer to page 27)
A video signal has been connected to the
AV output terminal by mistake.
The input becomes high impedance, and the
image becomes too bright. Connect video
signals to the video input terminal.
Checks
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