Philips PXG20 manual Troubleshooting

Page 34

12. TROUBLESHOOTING

If a fault occurs, first check the points listed below before taking the projector for repair.

If you are unable to remedy a problem by following these hints, consult your dealer or service organisation.

WARNING

Under no circumstances should you try to repair the projector yourself as this could invalidate the warranty.

PROBLEM

 

480P IMAGES DO NOT APPEAR

CHECK

NO PICTURE AND NO SOUND.

Projector powercord is not plugged into the wall outlet.

The bottom filter cover is not securely installed.

Selected input is wrong. (See pages 15)

Cables improperly connected to rear panel of the projector. (See pages 12-14)

Remote control batteries have run down. (See page 10)

On-screen Display (‘AV-MUTE’) is turned off and AV-Mute function is turned on, creating a black image. (See page 23)

POWER CANNOT BE TURNED ON OR OFF USING THE POWER BUTTONS (ON/OFF) OF THE PROJECTOR

Keylock level is set to "Level A" or "Level B", preventing operation of some or all buttons (See page 26)

Set the resolution mode to 480P. (See page 17)

AN UNUSUAL SOUND IS OCCASIONALLY HEARD FROM THE CABINET

If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes.

This will not affect operation or performance.

MAINTENANCE INDICATOR LIGHTS UP

Refer to ‘Lamp/Maintenance Indicators’ on page 29-30.

AFTER REPLACING LAMP, THE PREVIOUS STATUS REMAINS UNCHANGED.

Reset the lamp timer. (See page 31)

LENS COMES OFF

SOUND IS HEARD BUT NO PICTURE APPEARS

Cables improperly connected to rear panel of the projector. (See pages 12-14)

•’Contrast’ and ‘Bright’ adjustments are set to minimum position. (See page 19)

PICTURE APPEARS BUT NO SOUND IS HEARD

Cables improperly connected to rear panel of the projector. (See pages 12-14)

Volume is set to minimum. (See page 20)

COLOUR IS FADED OR POOR

•’Color’ and ‘Tint’ adjustments are not correct. (See page 19)

COLOUR IS DISTORTED (EXCEPT FOR VIDEO MODE)

Change the input signal type. (See page 15)

PICTURE IS BLURRED

Adjust the focus. (See page 10)

Projection distance is too long or too short to allow for proper focus. (See page 9)

PICTURE NOISE APPEARS

Adjust the phase setting. (See page 18)

Noise may appear when used with certain computers.

Align the mark on the lens with the corresponding mark on the projector, push the lens firmly in place, and rotate to the right.

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Contents User guide Important Note for Users in the U.S.A Important Safeguards ReferenceIntroduction Things YOU should Know FCC WarningComputer RGB / Component inputs Projector Features Advanced Compatibility with HIGH-END Workstations and PC’sTemperature Monitor Function Lamp Monitor FunctionControls Functional OverviewSee illustrations on On projector figRemote Control Connections Using the adjustment feet SET UPPower Supply Positioning the Projector and ScreenInserting the Batteries in the Remote Control Lens AdjustmentMoving the Projector Video/computer cables and adapter InstallationVIDEO/COMPUTER Cables and Adapter Connecting to a Computer Connecting to a computerGeneral Equipped with a Scart connector Connecting to video equipmentConnecting to Video Equipment Case your VCR, Laser Disc player, video camera or TV isConnecting to Audio Equipment Connecting to audio equipment/remote control mouse receiverConnecting the Remote Control Mouse Receiver Preparation Using the Remote ControlOperation PreparationGraphical User Interface Data Mode Menu ControlVideo Mode Menu Control Graphical User InterfacePicture control Data Mode Input SignalVideo Mode Input Signal Picture ControlDescription of Adjustment Items Data Mode DisplayData display Fine Sync adjustments Auto Sync AdjustmentColor Temperature adjustments Data Mode / Video Mode DisplayPicture adjustments Auto Sync Display FunctionPicture control/Audio control Interlaced modeProgressive mode Audio ControlPersonal preferences Saving/changing the adjustment settingSelecting a saved setting Personal PreferencesREVERSE/INVERT Image Function Other SettingsCeiling-mount Setup Digital Freeze Function D-FREEZEEffect Modes Data Mode Picture display mode Format on projector keyboard onlyVideo Mode Setting the Password Setting a Background Image Changing the PasswordChecking the Input Signal Selecting the Keylock LevelSelecting a Startup Image Status FunctionData Mode Video Mode Main Menu Menu TreeCleaning the side air filter not removable Connecting RS-232C port/MaintenanceCleaning and replacing the bottom air filter Lamp/Maintenance IndicatorsLamp LCA 3112 8670 931 MaintenanceMaintenance Indicator Condition Problem Possible Solution Replacing the lampResetting the lamp timer Kensington LockTroubleshooting