Panasonic TH-47LFV5W Operating Instructions Manual

Also see for TH-47LFV5W: Service manual Operating instructions

Panasonic TH-47LFV5W Operating Instructions Manual Manual pdf 32 page image

32TroubleshootingBefore you call for service, determine the symptoms and make a few simple checks as shown below.Symptom Possible Cause RemedyNo picture is displayed 1. The power cord is disconnected.2. The main power switch on the backof this Display 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 isswitched on.3. Connect a signal connection to thisDisplay.Interference displayed on this Displayor audible noise is heardCaused by surrounding electricalappliances or fluorescent lights.Move this Display to another location tosee is the interference is reduced.Color is abnormal The signal cable is not connectedproperly.Make sure that the signal cable isattached firmly to the back of this Display.Picture is distorted with abnormalpatterns1. The signal cable is not connectedproperly.2. The input signal is beyond thecapabilities of this Display.1. Make sure that the signal cable isattached firmly.2. Check the video signal sourceto see if it is beyond the rangeof this Display. Please verify itsspecifications with this Display’sspecification section.After changing input source or signal,Picture is not displayed correctly.Picture signal might be not receivedcorrectly.At once, select other input source, thenback to intended input source.Display image doesn’t fill up the fullsize of the screenThe zoom mode is not correctly set. Use the Zoom mode or Custom zoomfunction in the Screen menu to fine tunedisplay geometry and time frequencyparameter.Can hear sound, but no picture Improperly connected source signalcable.Make sure that both video inputs andsound inputs are correctly connected.Can see picture but no sound is heard 1. Improperly connected source signalcable.2. Volume is turned all the way down.3. [MUTE] is turned on.4. No external speaker connected.1. Make sure that both video inputs andsound inputs are correctly connected.2. Press [ ] or [ ] button to hearsound.3. Switch MUTE off by using the [MUTE]button.4. Connect external speakers and adjustthe volume to a suitable level.Some picture elements do not light up Some pixels of this Display may not turnon.This display is manufactured usingan extremely high level of precisiontechnology: however, sometimes somepixels of this Display may not display.This is not a malfunction.After-Images can still be seen on thisDisplay after this Display is poweredoff. (Examples of still pictures includelogos, video games, computer images,and images displayed in 4:3 normalmode)A still picture is displayed for an overextended period of time.Do not allow a still image to be displayedfor an extended period of time as thiscan cause a permanent after-image toremain on this Display.

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