Panasonic PT-D995U Troubleshooting, Symptom Probable cause, Corrective action

Page 54

Troubleshooting

Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the problem, unplug the projector and consult a Panasonic-authorized dealer or service center.

Symptom

Probable cause

Power is not supplied. Is the power cord disconnected?

Is the main power switch turned on?

Is the lamp-replacement opening cover

closed

correctly?

Corrective action

Insert the power cord (plug) firmly.

Turn on the MAIN POWER switch.

Turn off the MAIN POWER switch, close the lamp-replacement opening cover, and turn on the main power switch again.

Page

26

28

28, 50

Is the air filter closed correctly?

Turn off the MAIN POWER switch, fit

the air filter correctly, and turn on the 28, 53 main power switch again.

Light is not emitted, or light level is low.

With power on, operation starts but stops in a few minutes.

Video image does not appear, or audio sound does not occur.

Has the lamp life expired? (Has the lamp use time reached 1000 hours?)

Is the lens cap removed?

Is the lamp life near its end?

Is the air intake or exhaust area blocked?

Is the correct input selected?

Are connected devices connected correctly?

Are signals being supplied from the connected devices?

Turn off the MAIN POWER switch, replace with a new light-source lamp, and turn on the MAIN POWER switch. Reset the lamp use time after replacing with a new lamp.

Remove the lens cap.

Check the lamp use time on the menu, and if the lamp life is near its end, arrange for a replacement lamp, or replace a little earlier.

Turn off the MAIN POWER switch, remove any blocking objects. and turn on the MAIN POWER switch again.

Select the correct inputs with the VIDEO and COMPUTER buttons.

Connect connected devices correctly.

Set connected devices correctly.

28, 50, 52

26

45

8, 10 17, 28

29

21

Video image dims.

Color is poor or unstable.

Are input signals (scanning frequency, etc.) appropriate?

Is the source setting correctly selected? Is a wrong source (forced mode) selected?

Is brightness adjusted correctly?

Is volume set at minimum?

Are video and audio turned off by pressing the remote control’s AV MUTING button?

Is focus adjusted correctly?

Is distance too short or too long?

Are TRACKING and PHASE adjusted correctly?

Is picture quality (color density, etc.) adjusted correctly?

Is the correct broadcast system (color system) selected?

Are signals (scanning frequency, etc.) to connected devices appropriate?

Is the source setting correctly selected? Is a wrong source (forced mode)

Check if the signal is correct as input

 

(scanning frequency, etc.).

21

Input the appropriate signal.

 

Set the source setting to AUTO or to

 

the correct dedicated source (forced

48, 49

mode).

 

Adjust brightness on the menu.

41

Adjust volume with the remote control’s

30

VOL. (+/-) buttons.

 

Press the remote control’s AV MUTING

 

button to turn video and audio on.

31

Adjust focus with the remote control’s

30, 33

FOCUS (+/-) buttons.

 

Set the projector at the correct

18, 19

distance.

 

Adjust TRACKING and PHASE on the

33, 39

menu.

 

Adjust picture quality on the menu.

41

 

Set the broadcast system (color

37

system) to AUTO.

 

Check if the signal is appropriate

 

(scanning frequency, etc.), and input

21

the appropriate signal.

 

Set the source setting to AUTO. If the problem still persists, set it to the

selected?

correct dedicated source (forced mode).

48

54

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Contents Operating Instructions Dear Panasonic Customer Safety Precautions Safety Precautions Be sure to ask your dealer to install the unit Contents Accessories Remote control unit TNQE168 AAA/R03-size dry cell batteryApprox .5 m 4.92 ft Controls and Features Front Side /Top Surface / Right SideConnector panel AC in power input terminalMain Power switch Adjustable foot for horizontal angle adjustmentOpening for replacing the light-source lamp Bottom SurfaceAir intake area filter Fixing footControl Panel Video button When a menu is shownSetting button Quick ALIGN. buttonConnector Panel Computer in computer input -2 terminals BNC Input of external sync signals is automatically detectedComputer in computer input -1 connector D-sub 3- row 15 pin Audio input terminal stereo mini jackRemote Control Unit Precautions for using batteries Installing BatteriesInstall the batteries Open the back coverInstalling the Projector Precautions for InstallationAccording to aspect ratio Installing the ProjectorProjection Distance and Screen Size Projection screen size diagonal lengthProjection For 4 3 aspect ratio screensFor 16 9 aspect ratio screens DistanceEffective Range and Distance of the Remote Control Unit Effective range and distance of the remote control unitVideo signals Response to color systems Connecting to Various DevicesSignals that Can Be Input to the Projector Response to double density *1, high-vision signalsVideo devices Connecting to Video DevicesConnecting to Hi-Vision Devices Hi-Vision devicesDesktop type Connecting to Other DevicesConnecting to Devices which Control the Projector To Audio OUTConnecting to Computer Devices Connection to an IBM PC or IBM-compatible computerRGB output devices Connection to Macintosh Connecting the Power Cord Supplied To use the projectorRemove the lens cap When Turning On the Devices Connected to the Projector Turning on the Power Basic OperationsWhen you press Video When you press ComputerTo reduce the screen size To focus on nearer points ButtonProjector’s button When using the remote control unitWhen using the projector To turn off video image and audio sound temporarilyPress the remote control’s MENU/ENTER button To display the Setting menuPress the projector’s Setting button To use the remote control’s Preset buttonPress the Setting button of the projector Operating the Setting MenuMaking Basic Settings Press the Setting button to select the desired itemOperating the Main Menu Pixel Clock TrackingConfiguration of the Main Menu Computer-related input Source Decoder LanguageRemote control unit Operating the Main Menu Basic Operation of the Main MenuMain menu Select Decoder with the cursor button or Changing the Color SystemPress the MENU/ENTER button Set the color system with the cursor button orSet the desired language with Cursor Button Changing the Language DisplaySelect Language with the cursor button or FRANÇAlSAdjusting the Pixel Clock Adjust Tracking and Phase with the cursor buttonsSelect Pixel Clock with the cursor Button or Select Position with the cursor button or Adjusting the Screen PositionAdjust H. POS. and V. POS. with the cursor buttons Submenu items of the Position menu appear on the screenWhen AV signals are input Adjusting Picture QualitySelect the item to adjust with the cursor button or When computer-related signals are inputFor video system input Make Adjustment with the cursor ButtonSubmenu items For computer system inputBrightness Contrast Gain Text Mode Adjusting Sound Quality Adjust Treble and Bass with the cursor buttonsSelect the Sound with the cursor button or Following optional functions can be set adjusted Setting and Adjusting Other Functions OptionsSelect the item to set adjust with the cursor button or Select the Options with the cursorButtonAdjustment content To adjust multiple items, repeat steps 4Adjustment item Options menuColor temperature increases Adjustment contentTemperature 1 6Changing Setting the Source Select a submenu item Source using the cursor button orSelect the item to set using the cursor Buttons or Submenu item When Auto is selectedWhen other than Auto is selected Press the MENU/ENTER button to set fix itReplacing the Light-Source Lamp Loosen the two screws with a flat-end screwdriverBe careful not to damage the claw Insert the new lamp unit fully inside and fasten the screws Main Power switch Control panel Resetting the Lamp Use TimeTurn on the Main Power switch to go into stand-by mode Stand by and Operate indicators come on at Same timeClean the filter Cleaning and Replacing the FilterTurn off the Main Power switch Reinstall the filterCorrective action TroubleshootingSymptom Probable cause Video image dims Color is poor or unstableMaintenance Stains on the cabinetStains on the lens Specifications AV in AV inputComputer in Computer input Computer OUT Computer output OtherFront Outside dimensionsTop Unit inch mm Protrusion excludedComputer IN-1 PC / Computer OUT connector Pin assignment Specifications for connectors/terminalRS-232C connector TerminalPanasonic Canada Inc Panasonic Broadcast & Television Systems CompanyExecutive Office LCT0294-001B
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