Panasonic TH-49LFV8U Operating Instructions Manual

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Panasonic TH-49LFV8U Operating Instructions Manual Manual pdf 44 page image

TroubleshootingTroubleshootingSymptom Possible Cause RemedyNo picture isdisplayed1. The power cord is disconnected.2. The main power switch on the back of theDisplay is not switched on.3. The selected input has no connection.4. The Display is in standby mode.1. Plug in the power cord.2. Make sure the power switch is on.3. Connect a signal source to theDisplay.There isinterference on theDisplay or audiblenoise.Caused by surrounding electrical appliances orfluorescent lights.Check for the source of interference bymoving the display to another location.Colour is abnormal The signal cable is not connected properly. Make sure that the signal cable at theback of the Display is attached firmly.Picture is distortedand has abnormalpatterns1. The signal cable is not connected properly.2. The input signal exceeds the capabilities ofthe Display.1. Make sure that the signal cable isattached firmly.2. Check the video signal source to seeif it is beyond the range of the Display.Please check the signal compatibilitywith the details in the Displayspecification section.Displayed imagedoes not fill thescreen.1. The zoom mode is not set correctly.2. Scan Mode may be set incorrectly toUnderscan.3. If the image exceeds the screen size, ScanMode may need to be set to Underscan.Use the Zoom mode or Custom zoomfunction in the Screen menu to fine tuneDisplay geometry and time frequencyparameter.Sound is audible,but there is nopicture.Source signal cable is not connected properly. Make sure that both the video and soundinputs are connected correctly.Picture is present,but there is nosound.1. Source signal cable is not connectedproperly.2. Volume is turned all the way down.3. {Mute} is turned on.4. No external speaker connected.1. Make sure that both video and soundinputs are correctly connected.2. Press the [ ] or [ ] button.3. Switch MUTE off with the [MUTE]button.4. Connect external speakers and adjustthe volume to a suitable level.Some pictureelements do notlight up.Some pixels on the Display may not turn on. This Display is manufactured usingan extremely high level of precisiontechnology: however, sometimes a veryfew inactive pixels may be present. This isnot a malfunction.English44