50
FAQs, etc.
51
•
Frequently Asked
Questions
FAQs
Screen
Sound
Sound level is low
or sound is distorted
•
Sound signal reception may be deteriorated.
•
Set "NICAM" (p. 23) in the Sound menu to "Off".
(Analogue only)
Problem
Actions
•
The function to prevent after-image (p. 5) is activated.
(Not a faulty symptom)
•
The screen saver is activated when the following
conditions without any user operation for a few minutes:
●
no signal in DVB or AV mode
●
selected locked channel
●
selected invalid channel
•
Contrast is lowered when the following conditions
without any user operation for a few minutes:
●
selected radio channel
●
displayed menu (except Tuning menu, Owner ID and
Shipping condition)
●
SD mode
•
Due to the digital reception technologies involved, quality of the DTV signals may be relatively low in
some cases, despite good reception of analogue programmes.
Whirling sound is heard
•
The sound is from built-in cooling fan
(not a sign of faulty operation).
No sound is produced
•
Is "Sound Mute" active? (p. 7)
•
Is the volume set to the minimum?
Blurry or distorted image
(no sound or low volume)
•
Reset channels. (p. 30 and p. 32)
No image can be
displayed
•
Is "Colour" or "Contrast" in the Picture menu set to the
minimum? (p. 23)
Chaotic image, noisy
•
Set "P-NR" in the Picture menu (to remove noise).
(p. 23)
•
Check nearby electrical products
(car, motorcycle, fluorescent lamp).
Permanently lit spots on screen
•
Due to production process involved in this
technology this may result in some pixels which are
permanently lit or unlit. This is not a malfunction.
Contrast is reduced
logo appears at the
four corners of the screen
DVB
Other
TV goes into "Standby mode"
•
The sleep function is activated.
•
The TV enters "Standby mode" about 30 min. after
broadcasting ends.
Problem
Actions
The remote control
does not work
•
Are the batteries installed correctly? (p. 6)
•
Has the TV been switched On?
“Control with HDMI” function
does not work
•
Switch the TV on again with the equipment on.
•
Set “Control with HDMI” to “Off”, then set to “On” again.
(p. 42)
Pictures from external equipment
are unusual when the equipment
is connected via HDMI
•
Is the HDMI cable connected properly? (p. 44)
•
Turn Off the TV and equipment, then turn them On again.
•
Check an input signal from the equipment. (p. 48)
•
Use an equipment compliant with EIA/CEA-861/861B.
Sound is unusual
•
Set the sound setting of the connected equipment to
"2ch L.PCM".
•
Check the "HDMI1 / 3 input" setting in the Sound menu.
(p. 23)
•
If digital sound connection has a problem, select
analogue sound connection. (p. 23)
Interference or
frozen / disappearing
image in DVB
•
Check "Signal Condition". (p. 30)
If "Signal Quality" or "Signal Strength" are displayed in
red, check aerial.
If problem persists, consult your local Panasonic dealer.
•
Use the remote control to turn Off the TV, then turn it On
again.
HDMI