Panasonic PT-LB78E manual Troubleshooting

Page 45

Troubleshooting

Should any problem persist, contact your dealer.

Problem

Cause

Reference

 

page

 

 

 

 

 

 

 

 

 

 

 

The mains lead may not be connected securely.

20

 

 

 

No electric supply at the mains socket.

21

 

 

Power does not turn on.

TEMP indicator is lit or flashes.

41

 

 

LAMP indicator is lit or flashes.

41

 

 

 

 

 

 

The lamp unit cover has not been securely installed.

44

 

 

 

The circuit breakers have tripped.

-

 

 

 

 

 

 

 

 

The signal input source may not be connected to a terminal properly.

19

 

 

No picture appears.

The input selection setting may not be correct.

26

 

 

The BRIGHTNESS adjustment setting may be at the minimum setting.

32

 

 

 

The signal input source may not be operating properly.

-

 

 

 

The AV MUTE function may be in use.

26

 

 

 

The lens focus may not have been set correctly.

24

 

 

The picture is fuzzy.

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

17

 

 

The lens may be dirty.

42

 

 

 

 

 

 

The projector may be tilted too much.

17/18

 

 

 

 

 

 

 

The colour is pale or

COLOR or TINT adjustment may be incorrect.

32

 

 

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

30

 

 

greyish.

 

 

adjusted correctly.

 

 

 

 

 

 

 

 

 

 

 

 

No sound can be heard

The audio signal source may not be connected properly.

19

 

 

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

15

 

 

from the internal speaker.

 

 

The volume adjustment may be at the lowest possible setting.

27

 

 

 

 

 

 

 

 

 

 

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,

37

 

 

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.

16

 

 

The remote control signal receptor on the projector may be

25

 

 

not operate.

obstructed.

 

 

 

 

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

25

 

 

 

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

25

 

 

 

 

 

 

 

The picture does not

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

33

 

 

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.

46

 

 

 

 

 

 

 

 

 

 

 

The cable may be longer than the optional cable.

-

 

 

 

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

48

 

 

Picture from a computer

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

 

 

 

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

 

 

 

does not appear.

 

 

 

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

 

 

 

 

 

 

 

 

provided with your computer for further details.)

 

 

 

 

 

 

 

 

COMPUTER2 SELECT setting in OPTION menu is not correct.

36

 

Maintenance

 

 

 

 

 

 

 

 

 

 

 

 

 

ENGLISH - 45

Image 45
Contents PT-LB80E PT-LB78E PT-LB75NTE PT-LB75E Important Safety Notice This Apparatus Must be EarthedTo rain or moisture For business users in the European Union Important Safety NoticeDeclaration of Conformity Important Safety InformationImportant Infomation Contents Maintenance SettingsContents AppendixPrecautions with regard to safety Do not set up the projector outdoors Precautions with regard to safetyDo not look into the lens while the projector is being used Always disconnect all cables before moving the projectorDo not put your weight on this projector Remove the used batteries from the remote control promptlyUse only the specified batteries Do not mix old and new batteriesOrder to get the best picture quality SecurityOptical components Liquid crystal panelAccessories M 5’10K1HA15DA0002 Read this first Minimum required setting screenProjector body About Your ProjectorTop and front view Control panelBack and bottom view Battery compartment Top view Remote controlAbout Your Projector Attaching a hand strapCalculation methods for screen dimensions Setting upScreen size and throw distance PT-LB80NTE /LB80E PT-LB78E /LB75NTE / LB75ESetting up Front leg adjusters and throwing angleProjection method Mounting in the ceiling and projecting from frontConnecting example Computers Connecting example AV equipmentConnecting with Video IN/S-VIDEO ConnectionsConnecting Switching the projector on/offDirect power off function Direct power on functionSwitching the projector on/off Switching on the projectorBy control panel operation By remote control operation By direct power on functionBy remote control operation Switching off the projectorBy direct power off function By control panel operationPower Lock indicator status Power and Power Lock indicatorsPower indicator status IndicatorSelecting the input signal Projecting an imagePositioning the image Setting up the image position automatically Remote control operationOperating range Facing to the projectorResetting to the factory default settings Switching the input signalRemote control operation Capturing an imageProjecting an image in INDEX-WINDOW mode Using an assigned functionControlling the volume of the speaker Enlarging the image Enlarging the centred areaShifting the centre point Press any side of the Digital Zoom +/- button onceNavigating through the Menu Menu NavigationMain menu and Sub-menu Still ModeMenu Navigation TV-SYSTEMOSD Design Sxga ModeBlackboard Back ColorPicture menu Detailed Setup For S-VIDEO/VIDEO signalsFor RGB signals Position menu Position menu Frame Lock169 S43Option menu Power OFF Timer Lamp PowerDirect Power on Auto SetupTest Pattern Function ButtonTYPE1 TYPE2Input Password Password ChangeSecurity menu Text DisplayWireless menu Items in Wireless menuWireless menu, the following items are available Managing the indicated problems Lamp and Temp IndicatorsLamp indicator Temp indicatorCleaning the projector Care and ReplacementWhen to replace the Lamp unit Care and ReplacementReplacing the Lamp unit Before replacing the lamp unitCare and Replacement Replacement procedure Resetting the Lamp RuntimeRemoving and replacing the lamp unit Troubleshooting Technical Information List of compatible signalsQuality*2 Dots*1 KHz MHzSerial terminal Control commands Technical Information Cable specificationsComputer connection guidance ProjectorScreen size and throw distance for 169 aspect ratio PT-LB80NTEPT-LB75NTE Specifications Computer VideoAudio Computer AudioDimensions Trademark acknowledgementsUnit mm Index Realtime Keystone Release IndexPage TQBJ0245-3