Toshiba 250, 251, TLP551, TLP550 Select the input source by pressing Input repeatedly, Press Enter

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Projection on the screen (continued)

CONTENTS

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Select the input source to project.

There are two kinds of methods as follows (5-a and 5-b.)

Remote control

5-a,5-b

 

ON /

 

STANDBY

INPUT

 

KEYSTONE

AUTO SET

FREEZE MUTE

PIP CALL RESIZE

5-aINPUTINPUT

Note

Select the input source by pressing INPUT repeatedly.

At shipping from factory, “Analog RGB” connected to COMPUTER connector or “Video” connected to VIDEO Jack can be selected. (You can select “Camera” when using the model with a document imaging camera.)

The icon and the name of the selected input source appear on the screen.

MENU

VOL / ADJ

5-b

The types of input sources selected when the INPUT button is pressed repeatedly can be set from the menu screen. 44

Operations

ENTER

EXIT /

 

P.MODE

 

CT-90106

Control panel (Main unit side)

ON / STANDBY

 

 

 

 

 

 

P

T

EMP

 

 

 

 

 

 

ON

LAM

 

FAN

 

 

 

 

 

 

 

 

 

 

 

 

 

TE

 

 

 

EXI

 

 

 

 

 

EN

R

 

 

 

T

 

 

 

 

 

U

 

 

 

 

A

 

 

 

 

 

 

 

 

 

UT

 

 

 

 

 

N

 

 

 

 

O

S

 

 

 

 

E

 

 

 

 

 

 

 

 

 

M

 

 

 

 

 

ET

 

 

 

 

 

 

 

 

 

 

K

 

 

 

 

T

 

 

 

 

 

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I

 

 

 

 

 

 

 

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E

VOL / ADJ

5-a,5-b 5-b

5-bINPUTINPUT

ENTER

ENTER

Press INPUT and hold for two seconds.

The input source selection menu appears.

Select the input source to project with the selection buttons (/ ).

Regardless of the contents of input source settings on the menu screen, all the input sources are displayed here for selection.

Press ENTER.

A picture of the selected input source is projected. When a sound signal source is also connected, sound is emitted from the speaker.

Continued

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Contents TLP550/TLP250 TLP250Safety Precautions Avoid Volatile Liquid Save Original Packing MaterialsMoisture Condensation Exemption ClausesVentilation Power SourcesSource of Light Important Safety Instructions Object and Liquid Entry AccessoriesDo not place the product vertically Stack InhibitedReplacement Parts Damage Requiring ServiceSafety Check ServicingHeat could erase or discolor the letters on a thermal paper Do not carry by the camera armDo not move the projector while the arm is still erect Do not look into the arm light while it is litBefore Power supply cord selectionContents Speaker Lens Lens cover Carrying handle Foot adjuster Air intake Zooming lever Focusing ringFoot adjuster release button Names of each part on the main unitON/STANDBY button Names of each part on the main unitBefore Freeze button Names of each part on the remote controlLoading batteries Install the batteriesOpen the cover Attach the coverFront side Rear side Remote control operationFloor-mounted projector placement Side view Determine the screen size projected on the screenInsert the other end into a wall outlet Connect the power cordTake off the lens cover 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 Lamp indicator blinks while the lamp is warming up Remote controlProjection on the screen Press ON/STANDBYPress Enter to confirm Turn on the connected equipment and put it in playback modeControl panel Main unit side LanguagePress Input and hold for two seconds Select the input source by pressing Input repeatedlyPress Enter Input source selection menu appearsFocusing ring Adjust the picture size by turningZooming lever Focus on the picture by turningPress the button to decrease volume Press VOL/ADJ +/- to adjust volumePress the + button to increase volume Press ON/STANDBY again Turning the power offPress ON/STANDBY after using the projector Input full screen video signals from the input Adjusting the picture automaticallySource computer and project the image Press Auto SETTo finish the adjustment, press Exit repeatedly Adjust the distortion with the selection buttonsCorrecting the keystone distortion Press KeystoneCutting off the picture and sound temporarily Icon appears in the mute modePress Mute Sound and picture are cut off temporarilyFreezing the picture Icon appears in the freeze modePress Freeze Picture freezesEnlarging the picture size Icon appears in the resize modePress Resize To reduce the enlargement ratio, press the Resize buttonSub-picture is displayed Displaying PIP Sub-picturesPress PIP Press Call Displaying InformationStart a presentation on the computer Operating the presentation modeSelect the computer input with Input Adjust the projector before presentation if necessaryPress P.MODE and hold for two seconds Change a slide with the selection buttonsPress 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 Set a document to be projected Press ARM LightCamera control panel Light turns onPicture projection with the document imaging camera Press Camera to select the camera input modePress Camera Gain +/- to improve view of a When finished, turn off the light and close itCamera subject which is too dark or vivid Put back the armScreen Locking the white balanceProject a white paper and enlarge it to fill With the document camera operating, fully Correcting illuminated defectsCover the camera lens with a piece of black Paper or clothTrouble indications IndicatorsControl panel Main unit sideUnplug the power cord Take off the front cover Air filter cleaningClean the air filter Detach the air filterLens side to fix it Mount the air filter and the filter frameMount the front cover Cleaning the lens Lens and main unit cleaningCleaning the main unit Replacing the intake, exhaust fans and air filterUnplug the power cord Wait until the lamp gets cool enough Lamp replacementTake off the lamp cover on the bottom panel Pull out the lampLoad a new lamp Reset the lamp timerAttach the lamp cover Slide the cover into place and tighten the two screwsSymptom 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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