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Troubleshooting
Symptoms
Picture Sound
Before you call for service, determine the symptoms and make a few simple checks as shown below.
This Plasma Display uses special image processing. Hence a slight time lag may occur between image and audio,
depending on the type of input signal. However, this is not a malfunction.
Checks
No remote control operations can be performed.
A cracking sound is sometimes heard from the unit.
The top or bottom of the picture on the screen is cut
off when I use the zoom function.
Areas at the top and bottom of the screen where the
image is missing appear when I use the zoom
function.
I can hear sounds coming from inside the unit.
Check whether the batteries have discharged completely and, if
they have not, whether they were inserted properly.
Check whether the remote control sensor is exposed to an outdoor
light or a strong fluorescent light.
Check whether the remote control designed specifically for use
with the unit is being used. (The unit cannot be operated by any
other remote control.)
If there is nothing wrong with the picture or sound, this is the sound
of the cabinet undergoing very slight contractions in response to
changes in the room temperature. There are no adverse effects
on the performance or other aspects.
Adjust the position of the picture on the screen.
When using a video software program (such as a cinema size
program) with a screen wider than one in the 16:9 mode, blank
areas separate from the images are formed at the top and bottom
of the screen.
When the power is turned on, a sound of the display panel being
driven may be heard: This is normal and not indicative of
malfunctioning.
Interference Noisy Sound
Normal Picture No Sound
No Picture No Sound
No Picture Normal Sound
No Colour Normal Sound
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
PICTURE and BRIGHTNESS/Volume setting
(Check by pressing 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.
(see page 22, 23)
COLOR SYSTEM (see page 35)