Toshiba TLP550, 251, 250, TLP551 owner manual Before calling service personal

Page 67

Before calling service personal (continued)

 

CONTENTS

Symptom

Cause

Correction

Page

The remote control does not

• The remote control is not facing the remote sensor.

Face the remote control transmitter toward the remote

16

work.

 

sensor on the projector.

 

 

• The remote control is too far away.

Operate within about 5 meters.

16

 

• There is an obstruction between the remote control and the

Remove the obstacle.

–

 

remote sensor.

 

 

 

• The batteries are exhausted.

Replace the batteries.

15

The presentation made cannot

• The USB cable is not properly connected.

Connect the USB cable properly.

40

be used from the remote

• The computer or OS is not compatible.

The remote control mouse function is not available.

–

control unit.

• The batteries are exhausted.

Replace the batteries.

15

Document camera image is

• The lens is dirty.

Clean the lens with a blower or lens cleaner, etc.

63

blurry.

• The picture is out of focus.

Focus the picture by turning the focus ring.

56

 

• The light is not on.

Turn on the light.

55

Document camera image

• Image is being affected by fluorescent light in the room.

Set the shutter speed on the menu screen.

44

flickers.

 

 

 

67

Others

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Image 67
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Contents TLP550/TLP250 TLP250Safety Precautions Exemption Clauses Save Original Packing MaterialsAvoid Volatile Liquid Moisture CondensationSource of Light Power SourcesVentilation Important Safety Instructions Stack Inhibited AccessoriesObject and Liquid Entry Do not place the product verticallyServicing Damage Requiring ServiceReplacement Parts Safety CheckDo not look into the arm light while it is lit Do not carry by the camera armHeat could erase or discolor the letters on a thermal paper Do not move the projector while the arm is still erectBefore Power supply cord selectionContents Names of each part on the main unit Air intake Zooming lever Focusing ringSpeaker Lens Lens cover Carrying handle Foot adjuster Foot adjuster release buttonON/STANDBY button Names of each part on the main unitBefore Freeze button Names of each part on the remote controlAttach the cover Install the batteriesLoading batteries Open the coverFront side Rear side Remote control operationFloor-mounted projector placement Side view Determine the screen size projected on the screenTake off the lens cover Connect the power cordInsert the other end into a wall outlet Lens shift function Turn clockwise to lift up Turn counterclockwise to lower Turn the foot adjuster to make fine adjustment to the heightCeiling-mounted projector placement Connecting a computer Video connector Connecting video equipmentConnecting video equipment Projector operation control by a computer Press ON/STANDBY Remote controlLamp indicator blinks while the lamp is warming up Projection on the screenLanguage Turn on the connected equipment and put it in playback modePress Enter to confirm Control panel Main unit sideInput source selection menu appears Select the input source by pressing Input repeatedlyPress Input and hold for two seconds Press EnterFocus on the picture by turning Adjust the picture size by turningFocusing ring Zooming leverPress the + button to increase volume Press VOL/ADJ +/- to adjust volumePress the button to decrease volume Press ON/STANDBY after using the projector Turning the power offPress ON/STANDBY again Press Auto SET Adjusting the picture automaticallyInput full screen video signals from the input Source computer and project the imagePress Keystone Adjust the distortion with the selection buttonsTo finish the adjustment, press Exit repeatedly Correcting the keystone distortionSound and picture are cut off temporarily Icon appears in the mute modeCutting off the picture and sound temporarily Press MutePicture freezes Icon appears in the freeze modeFreezing the picture Press FreezeTo reduce the enlargement ratio, press the Resize button Icon appears in the resize modeEnlarging the picture size Press ResizePress PIP Displaying PIP Sub-picturesSub-picture is displayed Press Call Displaying InformationStart a presentation on the computer Operating the presentation modeChange a slide with the selection buttons Adjust the projector before presentation if necessarySelect the computer input with Input Press P.MODE and hold for two secondsPress Menu Operating the menu screenStart Adjust with VOL/ADJ +/- or selection buttonsAdjust the image flicker Guide Menu adjustments and settingsPAL60 Full Menu adjustments and settings PictureFull Menu adjustments Position Full Menu adjustments Color Full Menu adjustments and settings Audio Menu background is normal Reset Full Menu adjustments and settings DisplayFull Menu settings Default setting Full Menu settings Reset PIP menu setting ImagingDocument camera Part names of the document imaging camera modelPreparation of the document imaging camera Light turns on Press ARM LightSet a document to be projected Camera control panelPicture projection with the document imaging camera Press Camera to select the camera input modePut back the arm When finished, turn off the light and close itPress Camera Gain +/- to improve view of a Camera subject which is too dark or vividProject a white paper and enlarge it to fill Locking the white balanceScreen Paper or cloth Correcting illuminated defectsWith the document camera operating, fully Cover the camera lens with a piece of blackMain unit side IndicatorsTrouble indications Control panelDetach the air filter Air filter cleaningUnplug the power cord Take off the front cover Clean the air filterMount the front cover Mount the air filter and the filter frameLens side to fix it Replacing the intake, exhaust fans and air filter Lens and main unit cleaningCleaning the lens Cleaning the main unitPull out the lamp Lamp replacementUnplug the power cord Wait until the lamp gets cool enough Take off the lamp cover on the bottom panelSlide the cover into place and tighten the two screws Reset the lamp timerLoad a new lamp Attach the lamp coverSymptom Cause Correction Before calling service personalBefore calling service personal Computer Pin assignment of Computer connectorApplicable computer signal Applicable signalCompatible Video and S-Video signal Applicable signalSignal assignment of RS-232C Interface format Controlling the projector by using RS-232CControlling the projector by using RS-232C VLU Computer Resize Main unit SpecificationsSold separately Replacement lamp

251, TLP550, TLP551, 250 specifications

Toshiba has long been recognized for its innovation in the field of semiconductor technology, particularly in the area of optoelectronic devices. Among its extensive portfolio, the Toshiba TLP series stands out, especially models such as the TLP250, TLP551, TLP550, and TLP251. These optoisolators are designed to provide exceptional performance in various applications, including industrial controls, communication equipment, and power supplies.

The TLP250 is a high-speed transistor optoisolator that boasts a maximum data transmission rate of up to 10 Mbps. It is designed for applications where precise isolation between input and output is critical. The device employs a GaAlAs light-emitting diode, ensuring a fast response time and efficient operation. Its package includes a phototransistor, which enables it to switch high voltages and currents, making it ideal for driving loads in various circuits.

In contrast, the TLP551 offers a higher level of phototransistor isolation with a breakdown voltage of up to 5 kV. This model is well-suited for environments where electrical noise is a concern, as it provides reliable and stable isolation. With a maximum forward current of 50 mA, the TLP551 ensures that even in complex industrial settings, signal integrity can be maintained effectively.

The TLP550 is another noteworthy optoisolator, characterized by its compact size and robust performance. It also integrates a phototransistor output, which allows for a high degree of flexibility in design. This model is engineered to deliver a maximum isolation voltage of 3.75 kV, making it suitable for various high-voltage applications.

Finally, the TLP251 offers a unique combination of features tailored for demanding applications. With its high-speed response and excellent voltage gain, it is particularly advantageous in communication systems. Its ability to provide isolation while transferring data makes it an essential component for many digital interfaces.

In summary, the Toshiba TLP series, including models like the TLP250, TLP551, TLP550, and TLP251, exemplify the brand's commitment to quality and innovation in optoelectronic devices. These models are engineered to meet the rigorous demands of modern applications, offering features such as high-speed operation, significant isolation voltage ratings, and versatile output options. For engineers and designers, choosing the right Toshiba optoisolator can significantly enhance the reliability and efficiency of their electronic systems.
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