Panasonic PT-L795U manual Before asking for service, check the following points, Problem

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Before asking for service, check the following points.

Problem

Power does not turn on.

No picture appears.

The picture is fuzzy.

Possible cause

The power cord is not connected.

The main power switch on the projector is turned off.

The main power supply is not being supplied to the wall outlet. TEMP indicator is illuminated or flashing.

Correct the problem while referring to the instructions on page 38. LAMP indicator is illuminated or flashing.

Correct the problem while referring to the instructions on page 38. The lamp unit cover has not been correctly installed.

The REMOTE POWER function has been set to “OFF”.

The lens cap may still be attached to the lens.

The video signal input source may not be connected properly. The input selection setting may not be correct.

The BRIGHT adjustment setting may be at the minimum possible setting. The PICTURE MUTE function has been set to “ON”.

Has the power save function been activated? (Refer to page 36.)

The lens focus may not have been set correctly, or the projector may not be at the correct distance from the screen.

The lens may be dirty.

The projector may not be set up so that it is perpendicular to the screen.

COLOR is too light or TINT is poor.

No sound can be heard.

Remote control unit does not operate.

COLOR or TINT adjustment may be incorrect.

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

The audio signal source may not be connected properly.

The volume adjustment may be at the lowest possible setting. The MUTE function may be active.

The batteries may be spent, or they may not be inserted correctly.

There may be an object between the remote control unit and the projector which is blocking the infrared signals.

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

The picture does not display correctly.

The correct input signal may not be selected.

The input signal setting mode (TV-SYSTEM) may not be set correctly. There may be a problem with the VCR tape or other signal source.

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Contents LCD Projector Dear Panasonic Customer ContentsFeatures Important Safety Notice When using the projector Precautions with regard to safetySetting-up If problems occur during useTake particular care when replacing the lamp unit When using the projectorCleaning and maintenance Do not look into the lens while the projector is being usedAbout condensation Precautions on handlingWipe the cabinet with a soft, dry cloth Front view Remote control unitLocation and function of each part Projector Top and frontBack, bottom and right view Side terminal boardDo not do any of the following Before using the remote control unitInserting the batteries Illuminating the remote control unit buttons Operating range of the remote control unitIf facing the remote control unit toward the screen Screen ProjectorPoint Zoom Refer to Menu operation guideVideo Impose Count Down Refer toLanguage Refer to PositionAudio OptionsTurning off the power Turning the power on and offTurning on the power Power button Main Power switchScreen characteristics reference Screen requirementsProjection distance L Maximum Minimum Standard setting-up positionsStandard setting-up dimensions Adjusting the position of the projected picture Adjustment procedure Setting the projector up horizontallyRetracting the adjustable legs Adjuster button Adjustable legsAdjusting the lens Adjustment procedure for direct adjustmentFront mounting Setting-up positions and changing the projection methodSetting procedure Rear mountingBasic operation Changing the input signalProjector Remote control unit Press the Video buttonSignal data RGB signals that can be inputDisplay mode name VGA400 VGA460 Svga XGA Mxga Sxga MAC16 MAC21 HdtvNTSC4.43 Operating procedureAuto Ntcs 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 automaticallyWhen adjusting the vertical position V-POSI Adjusting the picture positionWhen adjusting the horizontal position H-POSI Adjustment procedure for horizontal position adjustmentFor underscanning Adjusting the video sizeFor overscanning 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 Audio system Laser disc player System configuration exampleExample of connection to audio-visual equipment VCRSUB Example of connection to a computerSUB HD Example of connection Wireless mouseAbout the Macintosh adapter OperationCommunication Settings Using the serial connectorPin layout and signal names for Serial connector Basic formatControl commands Cable specificationsIndicator display Problem IndicatorsLamp indicator Temp indicator Indicator name 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