Panasonic TQBJ0302 manual TroubleshootingTroubleshooting

Page 51

TroubleshootingTroubleshooting

Confirm the following problem and cause.

Should any problem persist, contact an Authorized Service Center.

Problem

Cause

Page

 

 

 

 

zzThe power cord may not be connected securely.

19

 

zzNo electric supply at the wall outlet.

21

 

zzThe circuit breakers have tripped.

Power does not turn on.

zzTEMP or LAMP indicator is lit or flashes.

46

 

zzThe lamp unit cover has not been securely installed.

49

 

zzThe control buttons are LOCKED.

44

 

zzCONTROL PANEL in the PROJECTOR SETUP menu is invalidated.

44

 

zzThe audio signal source may not be connected properly.

17, 18

 

zzThe input selection setting may not be correct.

23

No picture appears.

zzThe BRIGHTNESS adjustment setting may be at the minimum setting.

30

 

zzThe signal input source may not be operating properly.

 

zzThe AV MUTE function may be in use.

24

 

zzThe lens focus may not have been set correctly.

23

The picture is fuzzy.

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

15

zzThe lens may be dirty.

47

 

 

zzThe projector may be tilted too much.

15

Color is pale or grayish.

zzCOLOR or TINT adjustment may be incorrect.

30

zzThe input source which is connected to the projector may not be adjusted

 

correctly.

 

No sound can be

zzThe audio signal source may not be connected properly.

17, 18

heard from the internal

zzThe volume adjustment may be at the lowest possible setting.

25, 41

speaker.

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

13

 

zzThe batteries may be weak.

 

zzThe batteries may not have been inserted correctly.

14

The remote control does

zzThe remote control signal receptor on the projector may be obstructed.

14

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

14

not operate.

zzREMOTE CONTROLLER in the PROJECTOR SETUP menu is

44

 

 

invalidated.

 

 

zzThe remote control is under a strong light such as fluorescent.

14

The control buttons

zzCONTROL PANEL in the PROJECTOR SETUP menu is invalidated.

44

(If you have a loss of the remote control while the CONTROL PANEL is

 

of the projector

 

invalidated, press and hold the MENU button for 2 seconds by pressing the

 

do not operate.

 

ENTER button.)

 

 

 

 

zzThe signal format (TV-SYSTEM, RGB/YPBPR) may not have been set

31

The picture does not

correctly.

 

display correctly.

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

 

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

52

 

zzThe RGB signal cable is too long. (Limit to 10 m (32'10").)

Picture from a computer

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

36

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

 

does not appear.

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

 

 

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

 

 

with your computer for further details.)

 

The projector cannot be

zzEMULATE in the PROJECTOR SETUP menu is not set correctly. (If you

40

controlled through serial

fail to select your product series, ask your dealer for repair. )

 

terminal.

 

 

 

Note

zzIf the projector does not operate normally after the above remedies are taken, contact an Authorized Service Center.

Maintenance

ENGLISH - 51

Image 51
Contents PT-LB90U PT-LB78VU PT-LB75VU Serial number ImportantSafetySafetyNotice NoticeEnvironment care information for users in China Important Safety NoticeDeclaration of Conformity PanasonicContents Appendix ContentsSettings MaintenancePrecautionswith regardwithtoregardsafety to safety Precautions with regard to safety Always disconnect all cables before mov- ing the projector Do not put your weight on this projectorZzDo not set up the projector outdoors Do not place the projector in extremely hot locationsCleaning and maintenance SecurityDisposal TXFQB02VKJ2 Precautions with regard to safety AccessoriesJjlanguage Jjinitial SettingRead this first Read this firstJJControl panel AboutYourYourProjectorProjectorProjector body JJTop and front viewAbout Your Projector Back and bottom viewJJTerminals About Your Projector Remote control JJTop viewFront view Setting up Setting upScreen size and throw distance Projecting from rear Using translucent screen Setting up Projection methodFront leg adjusters and throwing angle Setting on a desk/floorBefore connecting to the projector Connecting example AV equipmentConnectionsConnections Connections Connecting example Computers JJDirect power off function Power cordConnecting JJDisconnectingPower Lock indicator status Power indicator statusIndicator status Status Press the Power button Switching the projector on/off Switching on the projectorConnect the power cord. Æpage Press the Release button to unlock the Power buttonSwitching the projector on/off Switching off the projector Press the Power button againAudio Setting Positioning the image Selecting the input signalProjecting an image Projecting an imageStopping the projection temporarily Switching the input signalRemotecontrolcontrolope ationoperation Capturing an imageJJINDEX-WINDOW display Setting up the image position automaticallyResetting to the factory default settings Controlling the volume of the speakerPress the Enter button Select OK JJButton functions in digital zoom modeNavigating through the Menu JJOperating procedureJJResetting to the factory default settings Menu NavigationJjpicture ON-SCREEN MenuSub-menu Main menuSecurity Jjprojector SetupPosition Jjdisplay OptionBrightness Picture ModeColor Temperature ContrastTV-SYSTEM Still ModeDaylight View Noise ReductionShift Clock PhaseRealtime Keystone KeystoneOver Scan AspectPosition menu Frame Lock JJS43Jjthrough Language menu Language menuClosed Caption Setting DISPLAYOPTIOPTIONmenu menuON-SCREEN Display Display Option menu Auto SetupSignal Search Startup LogoWide Mode Sxga ModeOther Functions Projector Setup menuPROJECTOR Setup menu Lamp Runtime Projector Setup menuStandby Mode Lamp PowerFunction Button Audio SettingTest Pattern Initialize ALLChange Pattern Text Display PasswordPassword Change Security menuMenu Lock Menu Lock PasswordControl Device Setup Remote ControllerJjpassword Change Jjwired LANJjwireless LAN Jjinput Password JjstatusJjtemp indicator Lamp indicatorCleaning the projector Care and ReplacementCare and Replacement Before Care and ReplacementJJLamp unit Care and Replacement Replacing the Lamp unitJJNote on lamp unit replacement JJLamp unit replacement timeJJLamp replacement procedure Lamp runtime is reset to TroubleshootingTroubleshooting This projector can project the following image signals TechnicalInformatiInformation List of compatible signalsJJConnection JJPin assignments and signal namesJJCommunication settings Technical Information Serial terminalLAN terminal Cable specificationsControl commands Technical InformationSpecifications ComputerComputer Audio PT-LB90NTU SpecificationsCeiling mount bracket safeguards Dimensions Trademark acknowledgementsUnit mm Index IndexNuméro de série Avisimportantconcernantconcernantla sécurité la sécuritéAvis important concernant la sécurité AvertissementDéclaration de conformité Ne pas surcharger la prise de courant Précautions de sécuritéAvertissement Pendant un orage, ne pas toucher le projecteur ou le câbleMise EN Garde Précautions de sécuritéNe pas peser de tout son poids sur ce projecteur Précautions lors de l’installationPrécautions lors du transport Ne pas utiliser une lampe usagéeMise au rebut Précautions lors de l’utilisationSécurité Nettoyage et entretienJJL’unité de lampe Remplacementde lunitédelunitéa lampe de la lampeJJRemarque sur le remplacement de l’unité de la lampe JJFiltre à airLa durée de la lampe est redéfinie sur « 0 » Remplacement de lunité de la lampeJJProcédure de remplacement de la lampe Appuyer sur la touche Alimentation