80
English
Troubleshooting
Before you call for service, determine the symptoms and make a few simple checks as shown below.
Symptoms
Check
Picture
Sound
Electrical Appliances
Cars / Motorcycles
Fluorescent light
Interference
Noisy Sound
Normal
Picture
No Sound
Volume
(Check whether the mute function has been activated on the
remote control.)
No Picture
No Sound
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.)
No Picture
Normal Sound
If a signal with a non-applicable colour system format,
or frequency is input, only the input terminal indication is
displayed.
No Colour
Normal Sound
Colour controls set at minimum level (see page 41, 42)
No remote control operations can be performed.
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 any obstacle is present between the remote
control sensor and the remote control.
If the installation condition is normal, pull out the remote
control sensor from the edge side of the main unit when
using.
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.)
Check whether the option other than [Off] is selected in
[Controller user level] in the [Options] menu. (see page 61)
Check whether [Controller ID function] in [Options] menu is
set to [On]. (see page 61)
Check whether <ID MODE> switch is set to <ON> (When
using ID remote controller).(see page 73)
[Controller ID function] function cannot be used.
(When using ID remote controller)
Check whether [Controller ID function] is set to [On], or <ID
MODE> switch is set to <ON>. (see page 61, 73)
(When [Controller ID function] is set to [On], you need to set
<ID MODE> switch to <ON> and set the ID number.)
The top or bottom of the picture on the screen is
cut off.
Adjust the position of the picture on the screen.
(see page 38, 39)
There are areas at the top and bottom of the
screen where picture is not displayed.
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.
(see page 29)
