Panasonic PT-L795U Replacement procedure, Lamp unit cover Fixing screw for the lamp unit cover

Page 48

Replacement procedure

NOTE:

If the lamp unit is replaced after it has been used for more than 2,000 hours, the projector will switch to standby mode after approximately 10 minutes of operation. Steps 7. to 10. on the following page should thus be completed within 10 minutes.

1.Disconnect the power cord plug from the wall outlet and check that the area around the lamp unit has cooled down.

2.Use a Phillips screwdriver to remove the screw which is securing the lamp unit cover at the right side of the projector, and then remove the lamp unit cover.

NOTE:

Read the CAUTION on the lamp unit cover before continuing.

Lamp unit cover

Fixing screw for the lamp unit cover

3.Turn the fixing screw for the lamp unit by hand until it turns freely.

CAUTION:

The lamp unit will be hot after it has been used, and you might receive burns if you touch it while it is still hot.

Fixing screw for the lamp unit
4. Hold the handle which is attached to the lamp unit and gently pull	Handle
the lamp unit out from the projector.

5.Insert the new lamp unit, while making sure that the direction of insertion is correct, and then turn the fixing screw for the lamp unit by hand until it is securely tightened.

NOTE:

Insert the lamp unit so that the fixing screw for the lamp unit is facing downward.

6.Securely install the lamp unit cover, and then use a Phillips

screwdriver to securely tighten the fixing screw for the lamp unit cover.

NOTE:

Be sure to install the lamp unit and the lamp unit cover securely. If they are not securely installed, it may cause the protection circuit to operate so that the power cannot be turned on.

47

Image 48

Contents LCD Projector Contents FeaturesDear Panasonic Customer Important Safety Notice Precautions with regard to safety Setting-upWhen using the projector If problems occur during useWhen using the projector Cleaning and maintenanceTake particular care when replacing the lamp unit Do not look into the lens while the projector is being usedPrecautions on handling Wipe the cabinet with a soft, dry clothAbout condensation Remote control unit Location and function of each partFront view Projector Top and frontBack, bottom and right view Side terminal boardBefore using the remote control unit Inserting the batteriesDo not do any of the following Operating range of the remote control unit If facing the remote control unit toward the screenIlluminating the remote control unit buttons Screen ProjectorMenu operation guide Video ImposePoint Zoom Refer to Count Down Refer toPosition AudioLanguage Refer to OptionsTurning the power on and off Turning on the powerTurning off the power Power button Main Power switchScreen characteristics reference Screen requirementsStandard setting-up positions Standard setting-up dimensionsProjection distance L Maximum Minimum Adjusting the position of the projected picture Setting the projector up horizontally Retracting the adjustable legsAdjustment procedure Adjuster button Adjustable legsAdjusting the lens Adjustment procedure for direct adjustmentSetting-up positions and changing the projection method Setting procedureFront mounting Rear mountingChanging the input signal Projector Remote control unitBasic operation Press the Video buttonRGB signals that can be input Display mode name VGA400 VGA460Signal data Svga XGA Mxga Sxga MAC16 MAC21 HdtvOperating procedure Auto NtcsNTSC4.43 PAL PAL-M PAL-N SecamAdjusting the volume Freezing the pictureSelecting the picture mode Adjusting the picture to the desired setting Adjustment Range BAL R BAL G BAL BAdjusting the sound to the desired setting Adjustment procedure for volume adjustmentCorrection procedure Correcting the picture position automaticallyAdjusting the picture position When adjusting the horizontal position H-POSIWhen adjusting the vertical position V-POSI Adjustment procedure for horizontal position adjustmentAdjusting the video size For overscanningFor underscanning About dot clock adjustment Using other useful functions Using the video impose functionEnlarging part of the input picture Disabling the Power button of the remote control unit Setting procedure To change the language to German Changing the on-screen display languageUsing the power save function Using the lens retracting functionSetting procedure System configuration example Example of connection to audio-visual equipmentAudio system Laser disc player VCRExample of connection to a computer SUB HDSUB Wireless mouse About the Macintosh adapterExample of connection OperationUsing the serial connector Pin layout and signal names for Serial connectorCommunication Settings Basic formatControl commands Cable specificationsIndicators Lamp indicator Temp indicator Indicator nameIndicator display Problem Possible causeCleaning the air filter Clean the air filter and the air filter clamps Lamp unit replacement period Replacing the lamp unitReplacement procedure Lamp unit cover Fixing screw for the lamp unit coverPage Before asking for service, check the following points Specifications RGB HD/SYNC RGB OUT Audio Video Audio in L-RTrademark Acknowledgements FCCDimensions