Panasonic TQBJ0303-1 manual TroubleshootingTroubleshooting

Page 53

TroubleshootingTroubleshooting

Confirm the following problem and cause.

Should any problem persist, contact an Authorised Service Centre.

Problem

Cause

Page

 

 

 

 

zzThe mains lead may not be connected securely.

21

 

zzNo electric supply at the mains socket.

23

 

zzThe circuit breakers have tripped.

Power does not turn on.

zzTEMP or LAMP indicator is lit or flashes.

48

 

zzThe lamp unit cover has not been securely installed.

51

 

zzThe control buttons are LOCKED.

46

 

zzCONTROL PANEL in the PROJECTOR SETUP menu is invalidated.

46

 

zzThe audio signal source may not be connected properly.

19, 20

 

zzThe input selection setting may not be correct.

25

No picture appears.

zzThe BRIGHTNESS adjustment setting may be at the minimum setting.

32

 

zzThe signal input source may not be operating properly.

 

zzThe AV MUTE function may be in use.

26

 

zzThe lens focus may not have been set correctly.

25

The picture is fuzzy.

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

17

zzThe lens may be dirty.

49

 

 

zzThe projector may be tilted too much.

17

Colour is pale or

zzCOLOR or TINT adjustment may be incorrect.

32

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

grayish.

correctly.

 

 

 

No sound can be

zzThe audio signal source may not be connected properly.

19, 20

heard from the internal

zzThe volume adjustment may be at the lowest possible setting.

27, 43

speaker.

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

15

 

zzThe batteries may be weak.

 

zzThe batteries may not have been inserted correctly.

16

The remote control does

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

16

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

16

not operate.

zzREMOTE CONTROLLER in the PROJECTOR SETUP menu is

46

 

 

invalidated.

 

 

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

16

The control buttons

zzCONTROL PANEL in the PROJECTOR SETUP menu is invalidated.

46

(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

33

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.

54

 

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.

38

(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

42

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 Authorised Service Centre.

Maintenance

ENGLISH - 53

Image 53
Contents PT-LB90E PT-LB78VE PT-LB75VE Serial number ImportantSafetySafetyNotice NoticeEnvironment care information for users in China Important Safety NoticeFor business users in the European Union Declaration of Conformity DoC Important Safety Notice Declaration of ConformityInformation Contents Settings ContentsMaintenance AppendixPrecautionswith regardwithtoregardsafety to safety Precautions with regard to safety „„Lens Focus Do not put your weight on this projectorDo not place the projector in extremely hot locations Always disconnect all cables before mov- ing the projector„„Take safety measures against fol- lowing incidents Cleaning and maintenanceSecurity DisposalTXFQB02VKJ2 Precautions with regard to safety AccessoriesRead this first Jjinitial SettingRead this first JjlanguageProjector body AboutYourYourProjectorProjectorJJTop and front view JJControl panelJJTerminals About Your ProjectorBack and bottom view Front view About Your Projector Remote controlJJTop view Screen size and throw distance Setting upSetting up Front leg adjusters and throwing angle Setting up Projection methodSetting on a desk/floor Projecting from rear Using translucent screenConnectionsConnections Before connecting to the projectorConnecting example AV equipment Connections Connecting example Computers JJDisconnecting ConnectingJJDirect power off function JJDirect power on functionIndicator status Status Power Lock indicator statusPower indicator status Press the Release button to unlock the Power button Switching the projector on/off Switching on the projectorPress the Power button Connect the mains lead. ÆpageAudio Setting Switching the projector on/off Switching off the projectorPress the Power button again Projecting an image Selecting the input signalProjecting an image Positioning the imageRemotecontrolcontrolope ationoperation Switching the input signalCapturing an image Stopping the projection temporarilyResetting to the factory default settings Setting up the image position automaticallyControlling the volume of the speaker JJINDEX-WINDOW displayPress the Enter button Select OK JJButton functions in digital zoom modeJJResetting to the factory default settings JJOperating procedureMenu Navigation Navigating through the MenuSub-menu ON-SCREEN MenuMain menu JjpicturePosition Jjprojector SetupJjdisplay Option SecurityColor Temperature Picture ModeContrast BrightnessDaylight View Still ModeNoise Reduction TV-SYSTEMRealtime Keystone Clock PhaseKeystone ShiftPosition menu Over ScanAspect Jjthrough Frame LockJJS43 Language menu Language menuStartup Logo DISPLAYOPTIOPTIONmenu menuON-SCREEN Display Signal Search Auto SetupWide Mode Sxga ModeOther Functions Projector Setup menuPROJECTOR Setup menu Standby Mode Projector Setup menuLamp Power Lamp RuntimeFunction Button Audio SettingChange Pattern Test PatternInitialize ALL Password Change PasswordSecurity menu Text DisplayControl Device Setup Menu Lock PasswordRemote Controller Menu LockJjwireless LAN Jjwired LANJjinput Password Jjstatus Jjpassword ChangeJjtemp indicator Lamp indicatorCare and Replacement Care and ReplacementBefore Care and Replacement Cleaning the projector JJNote on lamp unit replacement Care and Replacement Replacing the Lamp unit JJLamp unit replacement time JJLamp unitJJLamp replacement procedure Lamp runtime is reset to TroubleshootingTroubleshooting This projector can project the following image signals TechnicalInformatiInformation List of compatible signalsJJCommunication settings JJPin assignments and signal namesTechnical Information Serial terminal JJConnectionControl commands Cable specificationsTechnical Information LAN terminalComputer Audio SpecificationsSpecificationsComputer PT-LB90NTE Ceiling mount bracket safeguardsSpecifications Index IndexUnit mm DimensionsTrademark acknowledgements