Panasonic Viera TH-42PX80 Quick Start Manual page 45

If there is a problem with your TV, please refer to the table below to determine the symptoms, then carry out the
suggested check. If this does not solve the problem, please contact your local Panasonic dealer, quoting the model
number and serial number (both found on the rear of the TV).
Problem
"Press any key to return"
moves on the screen
One spot remains dark
Chaotic image, noisy
No image can be
displayed
Only spots are displayed
instead of images
Neither image nor
sound is produced
Black Box appears
No sound is produced
Sound is unusual
Actions
The function to prevent "Image retention" is activated.
(Not a faulty symptom)
•
The screen saver is activated if the TV unit is not operated for
a certain time in SD mode.
•
"Image retention" (p. 5)
A pixel or luminescent spot can occasionally
be missing in plasma displays.
(Not a faulty symptom)
Check nearby electrical products
(car, motorcycle, fluorescent lamp).
Check Picture menu (p. 22)
Check the cable connections.
Check that the correct input has been selected.
Check the channel settings. (p. 32)
Check the antenna cables.
Is the AC power cord plugged into the outlet?
Is the TV unit turned On?
Check Picture menu (p. 22) and volume.
Check the AV cable connections.
Check that the correct input has been selected.
Change settings of Closed Caption (CC). (p. 34)
Are the speakers' cables connected correctly? (p. 37)
Is "Sound Mute" active? (p. 13)
Is the volume set to the minimum?
Is "Speaker output" set to "Off"? (p. 22)
Change "SAP" settings. (p. 16)
Check "HDMI 1 in", "HDMI 2 in" or "HDMI 3 in" settings. (p. 22)
Set "SAP" setting to "Stereo" or "Mono."
Check the HDMI device connected to the unit.
Set the audio setting of the HDMI device to
"Linear PCM."
If digital sound connection has a problem,
select analog sound connection.
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