Panasonic PT-LB51U manual Troubleshooting

Page 43

Troubleshooting

Should any problem persist, contact your dealer.

 

 

 

 

 

 

 

 

Problem

Cause

Reference

 

 

page

 

 

 

 

 

 

 

The Power cord may not be connected.

20

 

 

 

No electric supply is at the wall outlet.

20

 

 

Power does not turn on.

TEMP indicator is lit or flashes.

39

 

 

LAMP indicator is lit or flashes.

39

 

 

 

 

 

 

The lamp unit cover has not been securely installed.

41

 

 

 

The circuit breakers have tripped.

-

 

 

 

 

 

 

 

 

The video signal input source may not be connected to a terminal

19

 

 

 

properly.

 

 

 

No picture appears.

The input selection setting may not be correct.

24

 

 

The BRIGHTNESS adjustment setting may be at the minimum setting.

30

 

 

 

 

 

 

The signal input source may not be operating properly.

-

 

 

 

The SHUTTER function may be in use.

24

 

 

 

The lens focus may not have been set correctly.

22

 

 

The picture is fuzzy.

The projector may not be at the correct distance from the screen.

14

 

 

The lens may be dirty.

40

 

 

 

 

 

 

The projector may be tilted too much.

22

 

 

 

 

 

 

 

The color is pale or greyish.

COLOR or TINT adjustment may be incorrect.

30

 

 

The input source which is connected to the projector may not be

28

 

 

 

adjusted correctly.

 

 

 

 

 

 

 

 

No sound can be heard

The audio signal source may not be connected properly.

18

 

 

A cable may be connected to the VARIABLE AUDIO OUT terminal.

13

 

 

from the internal speaker.

 

 

The volume adjustment may be at the lowest possible setting.

26

 

 

 

 

 

 

 

 

 

 

The control buttons of the

CONTROL PANEL in OPTION menu is invalidated. If you have a loss

 

 

 

of the Remote control while the CONTROL PANEL is invalidated,

35

 

 

projector do not operate.

press and hold the MENU button for 2 seconds with pressing the

 

 

 

 

 

 

ENTER button.

 

 

 

 

 

 

 

 

 

The batteries may be weak.

-

 

 

The Remote control does

The batteries may not have been inserted correctly.

10

 

 

The Remote control signal receptor on the projector may be

23

 

 

not operate.

obstructed.

 

 

 

 

The Remote control unit may be out of the operation range.

23

 

 

 

The Remote control is under the strong light such as fluorescent.

23

 

 

The picture does not

The signal format (TV-SYSTEM) may not have been set correctly.

31

 

 

There may be a problem with the VCR or other signal source.

-

 

 

display correctly.

 

 

A signal which is not compatible with the projector is being input.

44

 

 

 

 

 

 

 

 

 

 

 

The cable may be longer than the optional cable.

-

 

 

 

The external video output from a laptop computer may not be correct.

47

 

 

 

(You may be able to change the external output settings by pressing

 

 

 

Picture from a computer

the [Fn] + [F3] or [Fn] + [F10] keys simultaneously. The actual method

 

 

 

varies depending on the type of computer; refer to the documentation

 

 

 

does not appear.

 

 

 

provided with your computer for further details.)

 

 

Maintenance

 

 

 

 

If an COMPUTER INPUT indicator is turned off, the video signals may

12

 

 

 

 

 

not be output from the computer.

 

 

 

 

COMPUTER2 SELECT setting in OPTION menu is not correct.

34

 

 

 

 

 

 

 

ENGLISH - 43

Image 43
Contents PT-LB51U PT-LB51SU Model number PT-LB51NTU / PT-LB51U / PT-LB51SU Important Safety NoticePanasonic Important Safety NoticeDeclaration of Conformity Model Number PT-LB51NTU / PT-LB51U / PT-LB51SU Trade NameContents Maintenance SettingsAppendix Precautions with regard to safety Use only the specified batteries Precautions with regard to safetyDo not set up the projector outdoor Do not look into the lens while the projector is being usedDo not put your weight on this projector Remove the used batteries from the remote control promptlyDo not mix old and new batteries Accessories About Your Projector Remote controlControl to adjust the volume of the speakers. Battery compartmentAttaching a hand strap About Your ProjectorTop and front view Projector bodyControl panel Back and bottom view Connector PanelProjection size 4 Throw distance L Height Screen Setting upScreen size and throw distance Projected image ScreenSetting up Calculation methods for screen dimensions Mounting in the ceiling and projecting from rear Setting upProjection method Mounting in the ceiling and projecting from frontFront adjustable legs and throwing angle Connections Connecting with computersBefore connection to the projector Connections Connecting with AV equipmentConnecting with Video IN/S-VIDEO Connecting with ComponentPower cord Switching the projector on/offPower indicator Plug the Power cord into the projector Switching on the projectorSwitching off the projector Switching the projector on/offProjecting an image Selecting the input signalPositioning the image Facing to the projector Remote control operationSetting up the image position automatically Operating rangeCapturing an image Switching the input signalStopping the projection temporary Changing the image size Resetting to the factory default settingsProjecting an image in INDEX-WINDOW mode Switching the positionShifting the center point Controlling the volume of the speakerEnlarging the centered area Enlarging the imageNavigating through the Menu Menu NavigationMenu Navigation Main menu and Sub-menuSee CD-ROM contents for detailed information Live Mode CUT Status InitializeOnly Picture menu Daylight View Detailed SetupFor RGB signals For S-VIDEO/VIDEO signalsPosition menu Frame Lock S1 video signalsLanguage menu ResizingOption menu Direct Power on Power OFF TimerAuto Setup Signal SearchSolid blue You can perform more detailed setting in various itemsHighland Semi transparent blackText Display Password ChangeInput Password Security menuWireless menu, the following items are available Items in Wireless menuTemp indicator TEMP, Lamp IndicatorsManaging the indicated problems Lamp indicatorCleaning the projector Care and ReplacementReplacing the air filter Before replacing the Lamp unit Care and ReplacementWhen to replace the Lamp unit Replacing the Lamp unitHandles lamp unit fixing screws Lamp unit cover Lamp unit cover fixing screwsTroubleshooting Technical Information List of compatible signalsSerial terminal Control commands Technical Information Cable specificationsProjector Computer connection guidance Manufacturer Key commandSpecifications Variable Audio OUTAudio Computer AudioDimensions Trademark acknowledgments Index Index PT-UX71NT/PT-UX71 Avis important concernant la sécuritéNuméro de série Déclaration de conformité Avis important concernant la sécuritéAvertissement AdvertenciaAvertissement Précautions de sécuritéPrécautions de sécurité Mises EN GardeSinon cela peut causer des chocs électriques Précautions lors du transportUtiliser uniquement les piles spécifiées Ne pas mélanger des piles usées et des piles neuvesÉcran Précautions lors de linstallationPrécautions lors de lutilisation Affichage à cristaux liquidesDélai de remplacement de lUnité de la lampe Remplacement de lunité de la lampeAvant de remplacer le lUnité de la lampe Poignées Vis de fixation du bloc de lampe Remplacement de lunité de la lampe Procédure de remplacementTechnical Support Panasonic Projector Systems Company