F
AQs, etc.
•
Frequently Asked
Questions
37
Problem
Actions
Screen
logo appears at
the four corners of the
screen
Contrast is reduced
Chaotic image, noisy
•
Set "P-NR" in the Picture menu (to remove noise).
(p. 16)
•
Check nearby electrical products
(car, motorcycle, fl uorescent lamp).
No image can be
displayed
•
Is "Colour" or "Contrast" in the Picture menu set to the
minimum? (p. 16)
Sound level is low
or sound is distorted
•
Sound signal reception may be deteriorated.
•
Set "MPX" (p. 16) in the Sound menu to "Mono".
(Analogue only)
No sound is produced
•
Is "Sound Mute" active? (p. 7)
•
Is the volume set to the minimum?
Neither image nor
sound is produced
•
Is the TV in "AV mode"?
•
Is the mains lead plugged into the socket outlet?
•
Is the TV turned On?
•
Check Picture menu (p. 16) and volume.
Blurry or
distorted image
(no sound or low volume)
•
Reset channels. (pp. 20 and 24)
•
Some programmes may not be received when both Aerial
and CATV signals are connected to the TV through a
mixer. In this case, connect either Aerial or CATV signal
directly to the TV.
Only one part
remains dark
•
A pixel or luminescent spot may occasionally be missing
in plasma displays.
(Not a faulty symptom)
•
The function to prevent after-image is activated.
(Not a faulty symptom)
Ɣ
The screen saver is activated if the TV is not operated
for a certain time in AV mode.
Ɣ
Contrast is lowered when radio, menu, etc. lasts for
several minutes.
Ɣ
"after-image" (p. 5)
Sound
Whirling sound is
heard
•
The sound is from built-in cooling fan (not a sign of
faulty operation).