Instruction/ maintenance manual of the product TLP251 Toshiba
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1 Before use CONTENTS O WNER’S MANU AL 3LCD DATA PROJECTOR TLP550 TLP551 TLP250 TLP251 ( WITH DOCUMENT IMAGING CAMERA ) MENU TLP550/TLP250 ( WITH DOCUMENT IMAGING CAMERA ).
2 Before use CONTENTS SAFETY PRECAUTIONS The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
3 Before use CONTENTS IMPOR T ANT PRECA UTIONS In the spaces provided below , record the Model and Serial No. located at the bottom of your LCD projector .
4 Before use CONTENTS IMPOR T ANT SAFETY INSTR UCTIONS CAUTION: PLEASE READ AND OBSER VE ALL W ARNINGS AND INSTRUCTIONS GIVEN IN THIS OWNER’S MANUAL AND THOSE MARKED ON THE UNIT . RET AIN THIS BOOKLET FOR FUTURE REFERENCE. This set has been designed and manufactured to assure personal safety .
5 Before use CONTENTS 5. Heat The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.
6 Before use CONTENTS 11 . Object and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short- out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product.
7 Before use CONTENTS 17. If glass components, including lens and lamp, should break, contact your dealer for repair service. This product incorporates glass components, including a lens and a lamp. If such parts should break, please handle with care to avoid injury and contact your dealer for repair service.
8 Before use CONTENTS IMPOR T ANT SAFETY INSTR UCTIONS (continued) 21. Do not get your hands between the camera arm and the main unit when setting the camera arm back in its original position. T o avoid injury , be careful not to get your hands caught when setting the camera arm back in its original position.
9 Before use CONTENTS Power supply cord selection Plug configuration Plug type EURO UK Line voltage 220 – 240V 220 – 240V Use a 5A fuse which is approved by AST A or BSI to BSI362. Always replace the fuse cover after changing the fuse. If your line voltage is 220 to 240V , use one of the following types of cable.
10 Before use CONTENTS Contents Before use SAFETY PRECAUTIONS ...................................................... 2 IMPORT ANT PRECA UTIONS ............................................... 3 IMPORT ANT SAFETY INSTRUCTIONS ...........................
11 Before use CONTENTS Names of each part on the main unit Continued Infrared remote sensor Air intake Infrared remote sensor Control panel Lens shift dial Zooming le ver F ocusing r ing A C IN socket Left side Speaker Carr ying handle Open to carry the projector.
12 Before use CONTENTS Names of each part on the main unit (continued) 34 33 42 31 27 32 60 60 27 32 60 27 32 60 32 27 43 37 42 29 TEMP indicator KEYST ONE button T o correct the k eystone distor tion of the picture.
13 Before use CONTENTS USB S-VIDEO VIDEO AUDIO COMPUTER ( Y/P B /P R ) CONTROL A UDIO jack - ( ø 3.5mm stereo mini-jack) T o enter audio signal from a computer or a video equipment. USB connector T o connect to a USB connector of a computer when using the presentation mode.
14 Before use CONTENTS Names of each part on the remote control MENU ON / INPUT ENTER CT-90106 KEYSTONE AUTO SET EXIT / P.MODE PIP FREEZE MUTE CALL RESIZE VOL / ADJ STANDBY 29 34 36 38 35 43 31 27 32 33 37 39 37 42 43 40 T o displa y the menu screen and/or select the operation on the menu screen.
15 Before use CONTENTS Loading batteries Notes Using batteries incorrectly can cause them to leak or burst. Strictly observe the following. • Install the batteries with their + and – ends facing correctly . • Do not charge, heat, disassemble, or short the batteries or throw them into a fire.
16 Before use CONTENTS Remote control operation Point the remote control at the infrared remote sensor and press a button. Notes • The remote control may not operate when there is sunlight or other strong light such as a fluorescent lamp shining on the proje ctor ’ s remote sensor .
17 Installation and connections CONTENTS Floor-mounted projector placement Floor-mounted front projection Viewing a picture projected on the front of the screen from a floor installation. Floor-mounted rear projection Viewing a picture projected through the back of the screen from a floor installation.
18 Installation and connections CONTENTS Place the projector on a stead y , level surface suc h as a table . T o obtain proper screen projection, place the projector so that the light beam hits the screen squarely .
19 Installation and connections CONTENTS Connect the power cord. • Insert one end into the AC IN socket on the projector. • Insert the other end into a wall outlet.
20 Installation and connections CONTENTS Lens shift function When turning the lens shift dial, the lens moves to upward or downward and the projection position on the screen is to be adjusted. At shipping from factory , it is set to the state turned clockwise fully (the highest projection position).
21 Installation and connections CONTENTS Pr ojector placement angle adjustment (Foot adjuster) Foot adjuster release button Foot adjuster The tilt of the projector can be adjusted using the foot adjuster . Adjust this when the highest position by the lens shift dia l 20 is insufficient.
22 Installation and connections CONTENTS Ceiling-mounted front projection Viewing a picture projected on the front of the screen from a ceiling installation. Ceiling-mounted rear projection Viewing a picture projected through the back of the screen from a ceiling installation.
23 Installation and connections CONTENTS Notes • The projector cannot be connected to a computer without an analog RGB connector . For details, refer to the computer manual. • Y ou may not be able to connect some computers to the projector . For details, consult the dealer .
24 Installation and connections CONTENTS Connecting video equipment Note The S-VIDEO connector and VIDEO jack can be used independently , but the audio input jack is used for all input sources.
25 Installation and connections CONTENTS Connecting video equipment (continued) Y ou can project the picture from video equipment with component video output jack. Check that the power supplies for the projector and for the video equipment are of f before connecting the cables.
26 Installation and connections CONTENTS Projector operation control by a computer CONTROL connector Computer T o RS-232C port Control cable (supplied) T o CONTR OL connector Be sure to connect in the proper direction.
27 Operations CONTENTS Preparation 1 Install and connect the projector properly . 2 T ake of f the lens cover. Press ON/ST ANDBY . The projector turns on and the ON, LAMP and F AN indicators light in green. (The LAMP indicator blinks while the lamp is warming up.
28 Operations CONTENTS Projection on the screen (continued) Press ENTER to confirm. Press EXIT to return to step 2 if you want to re-select a language.
29 Operations CONTENTS 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. (Y ou can select “ Camera ” when using the model with a document imaging camera.
30 Operations CONTENTS Projection on the screen (continued) 7 6 Notes (Signal sent from the computer) • If you project an image from a computer with an LCD screen while monitoring the image on the computer , the image may not be projected properly , depending on the computer model.
31 Operations CONTENTS Notes • T o change the projecting angle, adjust the foot adjuster . 21 • If the screen image suffers keystone distortion, press the KEYST ONE button to adjust the distortion. 34 • Due to lamp characteristics, flickers may occasionally occur in a picture.
32 Operations CONTENTS T urning the po wer off Press ON/ST ANDBY after using the projector . An instruction message for turning the power off appears on the screen and disappears after a while. When the message disappears, operation becomes invalid. Press ON/ST ANDBY again.
33 Operations CONTENTS Notes • Automatic adjustment may not be performed properly for signals other than those computers ’ signals with which the projector is compatible. • The horizontal position, vertical position, sampling phase and sampling frequency can also be adjusted from the menu screen 46 .
34 Operations CONTENTS Correcting the keystone distortion A picture may be expanded on the upper side if projected upward from the projector lifted up by the foot adjuster . The projector can correct this keystone distortion. MENU ON / INPUT ENTER CT-90106 KEYSTONE AUTO SET EXIT / P.
35 Operations CONTENTS Cutting off the picture and sound temporarily The image and sound of this projector can be turned off if you wish to temporarily project the image from another projector or an OHP , etc., onto the screen. Note The mute mode is cancelled if another operation is performed during the mute mode.
36 Operations CONTENTS Freezing the picture Y ou can freeze the image being projected. Use this function to stop moving images from a video recorder during presentations. Notes • The frozen image can be enlarged with the RESIZE buttons. The freeze mode is cancelled if any operation other than RESIZE is performed.
37 Operations CONTENTS Y ou can enlarge (resize) the picture size projected. Enlarging the picture size Press RESIZE ( ). The enlargement ratio increases each time the RESIZE ( ) button is pressed. The enlargement ratio can be increased continuously by keeping the button pressed in.
38 Operations CONTENTS Press PIP . A sub-picture is displayed. Press the PIP button again to turn off the sub-picture. Video or S-video images can be displayed as small images within the computer ’ s image. (Referred to as “ sub-pictures ” in this manual.
39 Operations CONTENTS CALL Notes • The information displayed is not refreshed even if it changes. T o refresh the information, turn off the information display , then turn it back on. • The information display turns off if any other operation is performed.
40 Operations CONTENTS Operating the presentation mode Notes • This function is available with O.S (operating system) of Windows 98/98SE, Windows Me, Windows 2000 or Mac OS9 with a USB port as standard.
41 Operations CONTENTS Operating the presentation mode (continued) Adjust the projector before presentation if necessary . In the presentation mode after step 5, the projector cannot be adjusted. 4 MENU ON / INPUT ENTER CT-90106 KEYSTONE AUTO SET EXIT / P.
42 CONTENTS Adjustments & Settings Operating the menu screen Continued FULL Item Next Quit Adjust the image brightness. Select the image with its brightness priority or quality ( color ) priority . Correct the keystone distortion of the screen. Select the input source when changing the input.
43 CONTENTS Adjustments & Settings Operating the menu screen (continued) Analog RGB GUIDE Item Execute Quit Picture Contrast -12- -12- Bright Full Full Thru Brightness Picture mode Screen size Res.
44 CONTENTS Adjustments & Settings GUIDE MENU adjustments and settings Adjust the contrast of the picture. Adjust the brightness of the picture. Adjust the flick er of the picture. (Sampling clock phase adjustment) The picture is set with its brightness prior ity .
45 CONTENTS Adjustments & Settings FULL MENU adjustments and settings - Picture Adjust the contrast of the picture. Adjust the brightness of the picture. Adjust the sharpness of the picture. (In Y/P B /P R input mode, sharpness is a setting item.) The picture is set with its brightness prior ity .
46 CONTENTS Adjustments & Settings FULL MENU adjustments - Position Adjust the horizontal display position of the picture . Adjust the vertical display position of the picture. Adjust the flick er of the picture. (Sampling clock phase adjustment) Adjust the sampling frequency of the input signal if vertical stripes appear in the detailed image.
47 CONTENTS Adjustments & Settings FULL MENU adjustments - Color Adjust the color depth of the picture. Adjust the tint of the picture. (Not adjustable at P AL, SECAM, P AL-N,P AL-M and P AL60) Adjust the red lev el of the picture. Adjust the green le vel of the picture.
48 CONTENTS Adjustments & Settings FULL MENU adjustments and settings - A udio Adjust the sound volume emitted from the speak er. The sound is emitted from the speaker . No sound is emitted from the speaker . Return the adjustments and settings of FULL MENU [Audio] to the f actor y default v alues.
49 CONTENTS Adjustments & Settings FULL MENU adjustments and settings - Display Adjust the ke ystone distor tion caused by changing the installation angle. Menus and messages are displa yed in English. Menus and messages are displa yed in F rench.
50 CONTENTS Adjustments & Settings FULL MENU settings - Default setting Return the settings of FULL MENU [Default setting] to the f actor y default v alues. The projector is set to the floor-mounted front projection mode. The projector is set to the floor-mounted rear projection mode.
51 CONTENTS Adjustments & Settings FULL MENU settings - Reset Return the adjustments and settings of all menus to the factory default setting. Reset all EXEC. Y ou can return the adjusting and setting values of all menus to the factory default setting.
52 CONTENTS Adjustments & Settings PIP menu setting Return the settings of PIP MENU to the factory default setting. Select the signal source for PIP sub-picture . Set the PIP sub-picture size. : Video input is selected as signal source. : S-Video input is selected as signal source.
53 CONTENTS Document imaging camera Camera head Camera lens Arm Infrared remote sensor LED light Camera control panel F ocusing r ing LOCK (W .BALANCE) indicator Lights when the white balance is lock ed. W .BALANCE b utton T o switch white balance settings betw een automatic adjustment and lock.
54 CONTENTS Document imaging camera Note Never give shocks or impacts to the camera or arm as this may cause malfunction. Preparation of the document imaging camera 1) Raise up the arm. Bef ore preparations (stowed a wa y) 2) Pull up the camera head. 3) T ur n the camera head.
55 CONTENTS Document imaging camera Picture projection with the document imaging camera CAMERA ARM LIGHT LOCK W.B ALANCE CAMERA GAIN 1 CAUTION Do not look into the arm light while it is lit. Preparation 1 Project a picture on the screen as explained in the step “ Projection on the screen ” .
56 CONTENTS Document imaging camera Press CAMERA to select the camera input mode. • Pressing CAMERA again will return the input selection to the previous mode. • Y ou can also select it by pressing INPUT on the remote control or on the main unit. Set the input source on the menu screen when selecting by the INPUT button.
57 CONTENTS Document imaging camera Press CAMERA GAIN (+/-) to improve view of a camera subject which is too dark or vivid. 6 Notes • Y ou can adjust the “ Sharpness ” of the camera image on the menu screen.
58 CONTENTS Document imaging camera This projector ’ s camera is always being adjusted automatically for projected color balance; however , the balance can shift away from optimum due to the color scheme of the document. Should this occur , the white balance can be set to a fixed condition by using the following procedure.
59 CONTENTS Document imaging camera With the document camera operating, fully cover the camera lens with a piece of black paper or cloth. 1 Correcting illuminated defects Note Do not press ARM LIGHT and EXIT buttons simultaneously if the camera lens is not covered.
60 Maintenance CONTENTS If there is some problem inside the projector , the indicators light up or blink. T roub le indications Indicators Or (Lit in red) (Off) ON LAMP TEMP FA N (Lit in red) (Lit in .
61 Maintenance CONTENTS Air filter cleaning CAUTION If you use the projector mounted on the ceiling, ask the dealer to carry out the maintenance such as cleaning. The filter inside the air filter cover is the part to shut out dusts or dregs. Do not use the projector with the filter taken off.
62 Maintenance CONTENTS Air filter cleaning (continued) Mount the air filter and the filter frame. Place the air filter in the projector , then insert the four tabs on the filter frame into the holes in the projector . Mount the front co ver . Insert the hooks of the front cover into the projector first, then slide it to the lens side to fix it.
63 Maintenance CONTENTS Cleaning the lens Use a blower or a lens cleaner to clean the lens. Never rub or tap the lens with a hard object as the lens surface is fragile. Lens and main unit cleaning Cleaning the main unit • Pull out the power cord before cleaning.
64 Maintenance CONTENTS Lamp replacement The lamp will eventually begin to project dark or dull pictures and finally will not light up. (Lamp ’ s life depends on operating conditions.
65 Maintenance CONTENTS Notes • When the CALL button is pressed, the “ Lamp time ” (the approximate amount of time the lamp has been used) will be displayed. 39 • The lamp should be replaced if the total working time exceeds about 1,500 hours.
66 Others CONTENTS Before calling service personal Symptom The power does not come on. The power turns off while using the projector . No image appears. No sound is heard. Desired input source cannot be selected by the INPUT button. Analog RGB input or Y/P B /P R input colors are not right.
67 Others CONTENTS Symptom The remote control does not work. The presentation made cannot be used from the remote control unit. Document camera image is blurry . Document camera image flickers. Cause • The remote control is not facing the remote sensor .
68 Others CONTENTS Mini D-sub 15pin connector Pin assignment of COMPUTER connector COMPUTER Input signal Analog R, G, B signal: 0.7V(p-p) 75 Ω Horizontal sync signal: TTL level (positive/negative polarity) V ertical sync signal: TTL level (positive/negative polarity) Y signal: 1.
69 Others CONTENTS TEXT70 640 x 350 50 640 14 96 800 31.469 70.086 25.175 59 350 38 2 449 TEXT70 640 x 400 50 640 14 96 800 31.469 70.086 25.175 34 400 13 2 449 TEXT85 640 x 350 96 640 32 64 832 37.861 85.080 31.500 60 350 32 3 445 TEXT85 640 x 400 96 640 32 64 832 37.
70 Others CONTENTS Applicable signal (continued) T iming chart (Continued) **SXGA1152x864 75Hz 1152 x 864 256 1152 64 128 1600 67.500 75.000 108.000 32 864 1 3 900 **SXGA1280x960 60Hz 1280 x 960 312 1280 96 112 1800 60.000 60.000 108.000 36 960 1 3 1000 **SXGA1280x960 85Hz 1280 x 960 224 1280 64 160 1728 85.
71 Others CONTENTS Controlling the projector by using RS-232C Y ou can also control the projector by entering the command from a computer via RS-232C. CONTROL RS-232C Command list RS-232C 9600 bps, No parity , Data length: 8 bits, Stop bit: 1 bit STX (02h) Command (3Byte) ETX (03h) One command only can be used per communication.
72 Others CONTENTS Continued Controlling the projector by using RS-232C (continued) Classification Items/Status Selection Adjustment Analog RGB Video S-Video Y/P B /P R Camera Command Command Picture Video mode A uto.
73 Others CONTENTS Controlling the projector by using RS-232C (continued) Continued Classification Items/Status Selection Adjustment Analog RGB Video S-Video Y/P B /P R Camera Command Command A udio V.
74 Others CONTENTS Continued Controlling the projector by using RS-232C (continued) Classification Items/Status Selection Adjustment Analog RGB Video S-Video Y/P B /P R Camera Command Command Def ault.
75 Others CONTENTS Continued Controlling the projector by using RS-232C (continued) Classification Items/Status Selection Adjustment Analog RGB Video S-Video Y/P B /P R Camera Command Command RESIZE I.
76 Others CONTENTS Specifications Main unit Power consumption TLP550/TLP250: 240W (Standby: 15W) TLP551/TLP251: 250W (Standby: 15W) Mass TLP550/TLP250: 3.7kg TLP551/TLP251: 4.3kg Dimensions TLP550/TLP250: 260 x 95.5 x 295 (mm) (Except the protrusion parts) (W/H/D) TLP551/TLP251: 260 x 95.
77 Others CONTENTS Sold separately Replacement lamp TLPL55 • The design and specifications are subject to change without notice. T rademarks NEC, PC-98 series are trademarks of NEC Corporation. VGA, SVGA, XGA, SXGA, UXGA are trademarks or registered trademarks of International Business Machines Corporation.
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If you have not bought Toshiba TLP251 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Toshiba TLP251 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Toshiba TLP251 you will learn all the available features of the product, as well as information on its operation. The information that you get Toshiba TLP251 will certainly help you make a decision on the purchase.
If you already are a holder of Toshiba TLP251, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Toshiba TLP251.
However, one of the most important roles played by the user manual is to help in solving problems with Toshiba TLP251. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Toshiba TLP251 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
