Panasonic TH-42PZ77U, TH-50PZ77U One spot remains dark Chaotic image, noisy, Displayed, Sound

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

Screen	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 Sound is unusual

Whirling sound is heard

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. 26)

•Check the channel settings. (p. 34)

•Check the antenna cables.

•Is the AC power cord plugged into the outlet?

•Is the TV unit turned On?

•Check Picture menu (p. 26) and volume.

•Are the remote control codes correct? (p. 43-45)

•Change settings of Closed Caption (CC). (p. 36)

•Are the speakers’ cables connected correctly? (p. 40)

•Is “Sound Mute” active? (p. 17)

•Is the volume set to the minimum?

•Is “Speaker output” set to “Off”? (p. 26)

•Change “SAP” settings. (p. 20)

•Check “HDMI 1 in” or “HDMI 2 in” settings. (p. 26)

•Set “SAP” setting to “Stereo” or “Mono.”

•Check the HDMI device connected to the unit.

•Set the audio setting of the HDMI device to

•If digital sound connection has a problem, select analog sound connection.“Linear PCM.”

•The sound is from built-in cooling fan (not a sign of faulty operation).

Frequently Asked Questions FAQs, etc.

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