Panasonic TC-P50U50 owner manual Questions Answers, Why is the picture brightness changing?

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Frequently Asked Questions (FAQ)

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, visit the Panasonic website for further assistance. (see cover)

Questions

Answers

Picture

How do I view the picture from devices such as a: Cable/Satellite box, game console, Blu-ray or DVD player?

Why is there no picture or just a blue, black or snowy screen being displayed?

Why doesn’t the picture look like it is in High-Definition?

Why do black bars appear on the top and bottom and/or sides of the screen?

Why is the picture snowy when “ANT/Cable in” is selected?

Why is the picture chaotic and/ or torn and/or with a buzz in the speakers?

Why is there a black box on the screen?

Why is the screen blank and the power indicator blinking?

Why do some small spots on the screen remain bright or dark?

Why is the picture brightness changing?

Press the INPUT button on the remote to select the correct input source.

Check that the device is turned on and functioning correctly.

Check if the power cord is plugged in and the TV is turned on (front red LED light should be on, not blinking).

Press the INPUT button on the remote to select the correct input source.

Ensure all connections are correct and secure.

Especially check for Component and VIDEO connection since these terminals are shared.

When using external video source, such as a Cable/Satellite box or DVD player, check that the device is on and functioning correctly. Press MENU on the TV’s remote control. If the menu is displayed, then the TV is working; recheck above steps.

Press the INFO button on the remote to confirm the type of signal being received (p. 14). HD signal should be 720p, 1080i or 1080p.

Select a High Definition channel from your HD source (Cable, Satellite or fiber optic service). HD channels sometimes broadcast non-HD content.

Ensure that your HD source (HD box, Blu-ray player, etc.) is connected to the TV with an HDMI or Component cable and set to output an HD video signal.

Change the format (aspect ratio) of the picture by pressing the FORMAT button on the remote control. (p. 15)

Check the aspect settings on your external video source, such as Cable/Satellite box, DVD/Blu-ray Disc player, etc.

Note: Some content, such as film-based movies, are available in extra-wide format. Top and bottom bars are unavoidable.

When using a cable service (without a box), check that all connections are secure.

When using a cable or satellite box, change the connection (wiring) to Composite, Component or HDMI. (p. 11)

If you’re using an antenna, then check that connections are secure. Change the position or direction of the antenna and check the “Signal meter”. (p. 28)

Check if electrical products such as kitchen appliances, fluorescent lights or light dimmers are nearby. They may interfere with the TV’s picture.

Try viewing a picture from another device, such as a DVD player or a game console, to narrow down the source of the problem.

Change settings of Closed Caption (CC). (p. 14)

The TV has gone into shutdown mode to protect itself. Try unplugging it for a few minutes and connecting it again. If there was a temporary power surge on the AC line it may now be OK. If the blinking returns, call 1-877-95-VIERA (U.S.A.) or 1-866-330-0014 (Canada).

The Plasma panel is made up of a few million pixels and is produced with advanced technology through an intricate process. Sometimes a few pixels may be bright or dark. These pixels do not indicate a defective panel and will have no impact on the performance of the TV.

Turn the C.A.T.S. feature off.

Press MENU -> Setup > Picture > C.A.T.S.

Frequently AskedCare andQuestionsCleaning(FAQ) Support Information

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Contents Viera English EspañolInches measured diagonally 49,9 pulgadas medidas diagonalmenteTypical still images Set upDo not display a still picture for a long time Sent or no operations are performedContents Important Safety Instructions Safety PrecautionsTo prevent fire or electric shock AC Power Supply CordHandling the power supply cord When Moving the Plasma TVFCC Statement Accessories Accessories/Optional AccessoryAccessories Optional AccessoryRemoving the pedestal from the TV Attaching the pedestal to TVPoles Or R is printed at the bottom of the poles BaseAttaching Ferrite Core Getting started Accessories/Optional AccessoryPower cord connection Installing the remote’s batteriesAntenna or Cable connection ConnectionsConnection Panels Viera Link connection, please refer to p Started ConnectionsAV cable connection Audio connectionFront of the TV TV controls/indicatorsRemote control Identifying ControlsComplete First time setup First Time SetupTurn the TV on with the Power button Setup the following itemsSelect a channel number Turn power onWatching TV Watching TV Change aspect ratio and Zoom the pictureDisplay the Options menu Call up a favorite channelPress Sleep repeatedly until the desired time appears Display the Input select menu Select the input modeSet Sleep Timer Media information Using Media playerBasic features for Media player Player from externalSelect the data Photos/Videos/Music Viewing ContentsInsert Media SD card or USB flash memory Display Media player Select Drive and MediaPhotos view SortPhoto options Media playerWipe/Motion/Random Slideshow settingsSettings Item Description SlideshowMusic view PlayerVideo/Music options Videos viewEquipment only Viera LinkTM Hdavi ControlTMVersion Hdmi cableViera Link Connections with Viera Link function Viera LinkTM Hdavi ControlTMSet Viera Link to On Select Viera Link settingsSelect and make other settings Viera Link settings and Available featuresEnergy saving mode Automatic Input SwitchingPower on link Power off linkSpeaker control Select the item and set the settingsViera Link control only with the TV’s remote control Display the Viera Link menuVIERAEditingLinkTMandHDAVISettingControlTMChannels Advanced Editing and Setting ChannelsSelect Setup Select ANT/Cable setupManual program Set manually Signal meter Check signal strengthDisplay the menu How to Use Menu FunctionsHow to Use Editing MenuSetting ChannelsFunctions AdvancedAspect Ratio Format Technical InformationRatings List for parental control Data format information Technical Information Support InformationSize Hdmi connection SD Card/USB flash memory warning messagesViera LinkTM Hdavi ControlTM Side bars Input signal that can be displayedDigital Audio OUT terminal Closed Caption CCCabinet Care and CleaningPower cord plug Display panelQuestions Answers Why is the picture brightness changing?Another language? Why is the sound unusualDistorted, low volume or QuestionsTC-P50U50 SpecificationsIndex Limited Warranty Limits And Exclusions Limited Warranty CoverageOn-Site or Carry-in Service Panasonic National Parts Center Customer Services Directory United States and Puerto RicoAccessory Purchases United States and Puerto Rico For hearing or speech impaired TTY users, TTYPanasonic Product Limited Warranty Limited Warranty for CanadaAttached Top View Side Panel Front View Side ViewBackBack View Side view with Pedestal option Bottom PanelAmbler Drive Customer’s RecordAnotación del cliente