NEC LT180 manual Common Problems & Solutions, Does not turn on

Page 56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7. TROUBLESHOOTING

Common Problems & Solutions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

 

 

 

 

 

 

 

 

Check These Items

 

Does not turn on

• Check that the power cable is plugged in and that the power button on the

 

 

 

 

 

 

projector cabinet or the remote control is on. See pages E-19and E-20.

 

 

 

 

 

• Ensure that the lamp cover or lamp housing is installed correctly. See page

 

 

 

 

 

 

E-46.

 

 

 

 

 

• Check to see if the projector has overheated or the lamp has reached the end

 

 

 

 

 

 

of its usable life. If there is insufficient ventilation around the projector or if

 

 

 

 

 

 

the room where you’re presenting is particularly warm, move the projector

 

 

 

 

 

 

to a cooler location.

 

 

 

 

 

• The lamp may fail to light. Wait a full minute and then turn on the power

 

 

 

 

 

 

again.

 

 

 

 

 

• The lamp has reached the end of its usable life. Replace the lamp.

 

 

 

 

 

 

 

 

 

 

 

Lamp does not turn on;

• Wait for 60 seconds (cooling period)to see if the lamp turns on by itself.

 

POWER

and

STATUS

 

 

POWER

and

STATUS

LEDs blinking green at the same time indicates the

 

LEDs are blinking green

 

main power was interrupted during previous operation.

 

at the same time

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Will turn off

• Ensure that the Power Management is off. See page E-41.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No picture

• Use the

 

 

 

 

 

 

 

 

 

or

 

button on the re-

VIDEO,

S-VIDEO,

COMPUTER

COMPONENT

 

 

 

 

 

 

mote control or the

 

 

button on the cabinet to select your source

 

 

 

 

 

SOURCE

 

 

 

 

 

 

(Video, S-Video, Component or Computer). See page E-22.

 

 

 

 

 

• Ensure your cables are connected properly.

 

 

 

 

 

• Use menus to adjust the brightness and contrast. See page E-34.

 

 

 

 

 

• Reset the settings or adjustments to factory preset levels using “Reset” in

 

 

 

 

 

 

the menu. See page E-43.

 

 

 

 

 

• Enter your registered keyword if the Security function is enabled. See page

 

 

 

 

 

 

E-38.

 

 

 

 

 

• When using with a notebook PC, be sure to connect between the projector

 

 

 

 

 

 

and the notebook PC before turning on the power to the notebook PC. In

 

 

 

 

 

 

most cases signal cannot be output from RGB output unless the notebook

 

 

 

 

 

 

PC is turned on after connecting with the projector.

 

 

 

 

 

 

* If the screen goes blank while using your remote control, it may be the

 

 

 

 

 

 

result of the computer’s screensaver or power management software.

 

 

 

 

 

 

* For more detailed, see page E-51.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image isn’t square to the

• Reposition the projector to improve its angle to the screen. See pages E-22

 

screen

 

and E-23.

 

 

 

 

 

• Use the Keystone correction function to correct the trapezoid distortion. See

 

 

 

 

 

 

page E-25.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Color tone or hue is un-

• Check if an appropriate color is selected in “Wall Color”. If so, select an

 

usual

 

appropriate option. See page E-34.

 

 

 

 

 

• Adjust “Hue” in “Picture”. See page E-34.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E-49

Image 56
Contents LT180 Safety Cautions PrecautionsImportant Information DOC Compliance NoticeRF Interference Important SafeguardsInstallation Fire and Shock Precautions IiiLamp Replacement What’s in the Box?Table of Contents Table of Contents Features you’ll enjoy on the LT180 projector IntroductionIntroduction to the Projector Congratulations on Your Purchase of The LT180 ProjectorIntroduction Part Names of the Projector Top Features Terminal Panel Features Part Names of the Remote Control Introduction Battery Installation Remote Control PrecautionsOperating Range for Wireless Remote Control Installation and Connections Setting Up the Screen and the Projector Selecting a LocationDistance Chart Throw Distance and Screen SizeRear Projection Applications Connecting Your PC or Macintosh Computer Making ConnectionsTo connect Scart output RGB ADP-SC1Connecting an External Monitor To do soConnecting Your DVD Player Component Audio in OUTConnecting Your VCR or Laser Disc Player VideoConnecting the Supplied Power Cable Turning on the Projector Cabinet controls Remote controlProjecting AN Image Basic Operation Cabinet controls Adjusting the Picture Size and Position Using the cabinet buttonsUsing the Remote Control Selecting a SourceUsing the Adjustable Rear Foot Adjusting the Tilt Foot ZoomCorrecting the Vertical Keystone Distortion FocusOptimizing an RGB Image Automatically Turning Up or Down VolumeAdjusting the Image Using Auto Adjust Turning off the Projector To turn off the projectorAfter Use Convenient Features Turning Off the Image and SoundFreezing a Picture Reducing Video Noise Noise ReductionGetting the Information on Lamp Usage and Projector Usage Using ON-SCREEN Menu Using the MenusFor Selecting items Solid triangle For Adjusting items Slide barFor Selecting items Return key symbol, Radio button List of Menu Items Adjustment Selecting Wall Color Correction Mode Wall ColorMenu Descriptions & Functions PictureImage Selecting Aspect Ratio Aspect Ratio Normal Cinema NativeSetup Advanced Selecting Projector Orientation OrientationSelecting Communication Speed Communication Speed Preventing the Unauthorized use of the projector SecurityUsing ON-SCREEN Menu To disable the Security function Enabling Fan Speed Mode Fan Mode Enabling Power Management Power ManagementSelecting Signal Format Signal Select Disabling the Cabinet Buttons Cabinet ButtonInformation Reset Returning to Factory Default Factory DefaultCurrent Signal All DataMaintenance Replacing the LampTo replace the lamp PreparationSelect Elect Push here Cleaning the Cabinet and the Lens Troubleshooting Power Indicator Indicator Condition Projector ConditionStatus Indicator Lamp IndicatorCommon Problems & Solutions Does not turn onProblem Check These Items Troubleshooting Electrical SpecificationsModel Number LT180 Optical Mechanical Cabinet Dimensions AppendixPin No RGB Signal Analog YCbCr Signal Pin Assignments of Computer in D-Sub RGB ConnectorMini D-Sub 15 Pin Connector PC Control Connector Mini DIN-8P PC Control Codes and Cable ConnectionPC Control codes Cable ConnectionCompatible Input Signal List SignalTroubleshooting Check List PowerVideo and Audio OtherInstallation environment Signal cableComputer Video equipmentTravelCare Guide Repair servicesReplacement product rental service Oceania EuropeNorth America Asia and Middle East Huamark, Bangkapi, Bangkok 10240, Thailand To NEC or NECs Authorized Service Station Company & Name with signature Dear Sir sCondition of your TravelCare Service Program Service OptionsWarranty Exclusions Charges for Warranty Exclusions and Out of Warranty CaseLoan Service Charges and Conditions