Panasonic Viera TH-42PX45EH Operating Instructions Manual page 37

Problem
logo appears at
the four corners of the
screen
Contrast is reduced
Only one part
remains dark
Chaotic image, noisy
No image can be
displayed
Blurry or
distorted image
(no sound or low volume)
Neither image nor
sound is produced
No sound is produced
Sound level is low
or sound is distorted
Whirling sound is
heard
Actions
•
The function to prevent after-image is activated.
(Not a faulty symptom)
The screen saver is activated if the TV is not operated
for a certain time in AV mode.
Contrast is lowered when radio, menu, etc. lasts for
several minutes.
"after-image" (p. 5)
•
A pixel or luminescent spot may occasionally be missing
in plasma displays.
(Not a faulty symptom)
•
Set "P-NR" in the Picture menu (to remove noise).
(p. 16)
•
Check nearby electrical products
(car, motorcycle, fl uorescent lamp).
•
Is "Colour" or "Contrast" in the Picture menu set to the
minimum? (p. 16)
•
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.
•
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.
•
Is "Sound Mute" active? (p. 7)
•
Is the volume set to the minimum?
•
Sound signal reception may be deteriorated.
•
Set "MPX" (p. 16) in the Sound menu to "Mono".
(Analogue only)
•
The sound is from built-in cooling fan (not a sign of
faulty operation).
37