Toshiba TDP-TW420 owner manual Troubleshooting

Page 48

Troubleshooting

If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indications” p.93 as well.

If This Happens

 

Check

 

 

No power

• Is the power cord plugged in? Is it connected to the projector?

 

• Is the main power switch turned on? p.24

 

• Is the outer lamp cover attached properly? p.90

 

 

 

Power goes out

•

Is the ambient temperature high? p.93

during use

•

Is the air intake or air exhaust blocked? p.93

 

 

No picture

• Is the input source selected correctly? (When [Auto input search]

 

 

is [Off]) p.41

 

• Is the mute function on? p.32

 

• Is the brightness setting minimized? p.36

 

• Are the connections set up correctly? p.22 p.23

 

• Are all the connected devices functioning properly?

 

 

 

No audio

•

Is the mute function on? p.32

 

• Is the volume setting minimized? p.27

 

• Are the connections set up correctly? p.22 p.23

 

• Are all the connected devices functioning properly?

 

 

 

Picture not

•

Is the input signal supported by the projector? p.97 p.98

displayed

• Is there something generating an abnormal video signal, for

correctly

 

instance the video tape?

 

 

 

Picture blurred

•

Is the lens dirty? p.92

Part of picture

•

Is the lens focus adjusted optimally? p.27

out of focus

• Is the projection distance within the projector’s supported range?

 

 

p.21

 

• Is the projector’s screen placement angle tilted too far? p.21

 

• Are the sharpness or sampling phase adjustments off? p.36 p.37

 

 

 

Image is dark

•

Are the brightness or contrast adjustments off? p.36

 

• Is the lamp nearing the end of its service life? p.43

 

 

 

Colors too light

•

Are the color, tint, R-level, G-level, or B-level adjustments off? p.36

Bad shading

• Is the screen dirty?

 

• Is the blackboard mode set properly? p.41

 

• Is the lamp nearing the end of its service life? p.43

 

 

 

Control panel key

•

Is the key lock function on? p.43

doesn’t work

 

 

 

 

 

If This Happens

Check

 

 

Remote control

• Is the remote control code identical with the projector's code? p.42

doesn’t work

• Are the remote control’s batteries drained?

 

• Are the batteries inserted into the remote control correctly? p.19

 

• Is the remote control being used within the effective range? p.19

 

• Are there any obstructions between the remote control and

 

projector?

 

• Are there any fluorescent or other bright lights shining at the

 

projector’s infrared remote sensor?

 

 

USB device

• Is the USB memory inserted correctly?

images aren’t

• Is a USB memory not supported by the projector inserted? p.47

projected

• Are there any JPEG or MPEG files saved on the USB memory?

 

• Are the files too large or in an unsupported format for the

 

projector?

 

For JPEG files, convert them with the supplied software

 

application. p.81

 

 

The wireless LAN

• Are the transmission mode, SSID, etc. properly configured?

doesn’t work

• Are there any obstructions between the computer and the

 

projector?

 

• Do your computer and OS support the supplied software

 

application? p.60

 

 

Others

94

95

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Contents TDP-TW420 USA only Trade Name Data Projector Model Name TDP-TW420For Home or Office USE Power Cord Protection Power SourcesCleaning HeatImportant Safety Instructions Place and Manner of Installation Moisture CondensationImportant Precautions Avoid Volatile Liquid CopyrightsDisposal Other InformationContents Checking the package contents Names of each part on the main unitNames of each part on the control panel and remote control Remote ControlLabel location Control panelLoading dry-cell batteries into the remote control Operating the remote ControlOperating a computer using the remote control PlacementConnecting with computers Connecting with AV equipmentsConnection Before connectionTurning the power on and off NConnecting the power cordNTurning the power on NTurning the power offTurn on the power Projector placement angle adjustmentsAdjusting the screen size and focus Basic operationsUsing handy features Using auto setting For computer input onlyBasic operations Correcting the keystone distortionUsing handy features Zooming out the imagesResizing image Changing picture mode Setting the password How to change passwordCutting off the picture and sound temporarily Mute Changing screen sizeUsing the menus How to set password from Off to OnSetup using the Setting display How to operate when password is OnUsing the menus Image adjustment menuPosition adjustment menu Display setting menu Default setting menu Default setting 1 menuDefault setting 2 menu Displaying Information Status displayBefore connecting via network Connection using the Network Projector Windows VistaCommunication mode FunctionsHow to use the USB terminal Setting up the Network Projector/Network Utility Projector settings Be sure to read this subsectionCharacter entry Details on individual itemsSecurity for wireless LAN settings Network authentication Network key When you have set Encryption to WEPWhen you have set Encryption to TKIP/AES Setting initializationComputer settings Control setting menuDetailed description Projector nameSetting slideshow options Details on individual items Still ImageMovie Image Using the Network Projector Checking the projector statusInstalling the applications How to uninstallHow to install System RequirementsUsing the Network Utility Using the Network Utility Click on the Jpeg File iconClick on the Browse button, and select the file to send Click on the iconClick on the Browse button and select the file to send Select the projector to transmit toPlay the video file via the Control window Transmission Mode Image Click on the Multiscreen iconArrange the virtual display layout Multiscreen Usage Examples ExampleSetting on the computer Easy Connect utilityLaunch the Network Utility software application Click the Tool buttonHow to set up with USB memory connection Copying the computer settings to the projectorUnplug the USB memory from the computer Unplug the USB memoryTo quit, click on the button on the Remote Control window How to use Profile settingsAdvanced setting Switching settings automatically at start-upProjecting images stored in a USB memory How to use the Jpeg Conversion Tool Projecting images stored in a USB memoryHow to use the Jpeg Conversion Tool Converting files created with Microsoft PowerPointMaking a presentation with converted Jpeg files How to use the Projector Configuration Tool Creating a screen capture and converting it into a Jpeg fileConversion Method field, select Creating screen capture Setting up the projector using a Web browser SettingsSelect items from the menu on the left Details on major itemsLamp replacement When the lamp is brokenWhen replacing, always use lamp TLPLW23 sold separately About lampLamp replacement Lens and main unit cleaning Lens cleaningMain unit cleaning Trouble indicationsTroubleshooting List of supported signals RGB signals SpecificationsList of general specifications Separately sold productList of supported signals Component signals List of supported signals Video, S-Video signalsSpecifications Pin assignment of Computer 2 in & Monitor terminalsMain Commands Control terminalPin assignment Interface format
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