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Soleil-PJ1Training

Slide 65

LCOS Projectors

In LCoS, a liquid crystal cover is

applied to the surface of a

semiconductor chip that has a

highly reflective coating. There

are one of these assemblies for

red, green, and blue.

The RGB images are sent to

these semiconductors, and

beams of light are reflected off

these and recombined before

being projected to the screen.

LCD projectors give bright, high-

resolution/high-contrast output,

and they are easy to adjust. But

they are adversely affected by

dust and vibrations.

The layout of the machine is

similar to the LCD projector,

except that LCoS plates are used

instead of LCD plates.

LCOS: Liquid Crystal on Silicon

The diagram shows a simplified cross section of an LCoS panel.

Содержание Y024

Страница 1: ...1 Soleil PJ1Training Slide 1 Y024 Y025 Y026 Y027 Y028 Y029 Service Training Altair PJ1 Version 1 0 This training course provides service technician training for the Altair PJ1 series ...

Страница 2: ...2 Soleil PJ1Training Slide 2 Y024 Y025 Y026 Y027 Y028 Y029 Service Training Product Overview This section provides an overview of the machine and the options that can be installed ...

Страница 3: ... DLP projectors Yes Yes WXGA 3000 lm Y027 PJWX3340N No Yes XGA 3000 lm Y028 PJX4240N No No Yes No Auto Focus No XGA 3000 lm Y024 PJX3340 Yes XGA 3000 lm Y025 PJX3340N No WXGA PJWX3340 Yes WXGA 3000 lm Y029 PJWX4240N Network 3000 lm Y026 Resolution Brightness Model Model Name ...

Страница 4: ...e mercury lamp Standard mode 230 W Eco mode 124 W Lamp type 3000lm Brightness Desk Edge Model Type DLP Resolution XGA XGA Focus Manual Speaker 10W x 1 PointBlank Dongle Connector Yes Altair PJ1 Additional USB port Users can use this to display JPEG or MPEG2 files without PC or network connection LAN For use with PJLInk Users can also use the LAN to project files that are stored on a PC or server o...

Страница 5: ...lm Brightness Altair PJ1 sx Altair PJ1 swn Type DLP Resolution XGA WXGA Dimensions W D H 257 144 221 Speaker 10W x 1 PointBlank Dongle Connector Yes Altair PJ1 Additional USB port Users can use this to display JPEG or MPEG2 files without PC or network connection LAN For use with PJLInk Users can also use the LAN to project files that are stored on a PC or server on the network Remote will also be ...

Страница 6: ...ng mount use The ST model is designed for table top and wall mount use This product is designed for user maintenance Regular on site maintenance is not needed There is no display panel but LEDs show the symptoms for troubleshooting blinking lit number of times the LEDs blink etc A service mode is available No additional notes ...

Страница 7: ...een the Projection Distance and the Screen Size 6 14 cm 2 6 inches 59 149 cm 1 94 4 88 feet 50 120 inches Y028 Y029 Y026 Y027 Y024 Y025 5 11 cm 2 4 inches 61 148 cm 2 4 85 feet 60 140 inches 4 24 cm 1 9 inches 68 720 cm 2 22 23 61 feet 30 200 inches 3 18 cm 1 7 inches 77 733 cm 2 53 24 06 feet 40 240 inches B A Projection Size No additional notes ...

Страница 8: ...work utility Just download the file from the Ricoh website to your PC or execute the program on the attached CD type in the PIN code and you are ready to project images Download network utility from Ricoh website Step 1 Step 1 Step 2 Step 2 Type in the pass code Step 3 Step 3 Make wireless network connection on the PC No additional notes ...

Страница 9: ...lity Remaining Lamp hour information Power and status reporting Projection server function JPEG files stored on a web server can be projected without a PC Files can be uploaded onto the web server using the supplied software JPEG conversion tool type A No additional notes ...

Страница 10: ...t to obtain the same level of positioning accuracy The user should use a mouse connected to the PC if required Electronic pen Electronic pen Adapters Adapters For Projector Cartridge For Projector Cartridge For PC USB dongle For PC USB dongle Drawing software Drawing software Support language English Chinese Japanese Support language English Chinese Japanese The characteristics of the Interactive ...

Страница 11: ...model Wireless LAN Wi Fi IEEE 802 11a b g n In the same broadband area Wireless connection Apple iPad iPad2 3G Wi Fi model Wi Fi model OS version iOS 4 3 4 iPad version System requirements Free download from the iTunes store You need to install iTunes on your PC before searching for the Ricoh Smart presenter Operating instructions Æ http www ricoh co jp software other rtp Ricoh TAMAGO Presenter wa...

Страница 12: ...tair Interactivity with Other Digital Devices Collaboration with iHub Unified Communication System Target Small meetings of 2 5 people Altair can be placed over a meter away from iHub which means no glare affects the video camera on iHub No additional notes ...

Страница 13: ...r lamp life and lower power consumption in Eco mode 0 30W power consumption in standby mode 0 60W power consumption in wired LAN standby mode 0 94W power consumption in wireless LAN standby mode Note that in the service mode menu Eco Mode is referred to as Low Mode ...

Страница 14: ...ld when its maximum brightness has decreased to 50 of the original level When this occurs a message to this effect is projected 3D glasses Y107 DLP link is a technology that allows DLP projectors to transmit 3D data DLP link technology sends data seamlessly to the glasses between frames to create a 3D image For more about DLP link http www dlp com projector dlp innovations dlp link aspx ...

Страница 15: ...eil PJ1Training Slide 15 Consumables and Options 2 Point Blank Optional Interactive Tool Kit Y117 Digital pen Module for projector Module for PC CD ROM drawing software Replacement Air Filter Y213 China only ...

Страница 16: ...r increases with its total power up time This is due in part to the failure characteristics of optical engines in projectors Lamp Life Normal Mode 3 500 hrs DE model 230W ST model 250W Eco Mode 5 200 hrs DE model 124W ST model 135W 0 00259 0 00310 0 00218 1st year 0 00391 0 00469 0 00329 3rd year 0 00308 0 00369 0 00260 2nd year Y028 sx Y029 swn Y025 dxn Y027 dwn Y024 dx Y026 dw No additional note...

Страница 17: ... that the life time has expired If used in Normal Mode only the alert appears after 3 500 hrs projection time If used in Eco Mode only the alert appears after 5 200 hrs projection time If the user switches between modes the machine calculates when to display the alert based on how long the lamp was used in each mode No additional notes ...

Страница 18: ...ury vapor These lamps can rupture due to impact or being used longer than their life expectancy The time that the breakage will occur differs widely for each lamp and its circumstances of use These lamps must be disposed of in accordance with local environmental regulations No additional notes ...

Страница 19: ... Slide 19 Operation at High Altitude In a high altitude location higher than 1500 m above sea level where air is thin cooling efficiency is reduced so use the projector with High Altitude Mode turned On No additional notes ...

Страница 20: ...Training Slide 20 Front Left Right External View Intake vent Exhaust vent Lens Interfaces Optical receiver Top Basic operation keys Focus adjuster Speaker Remote controller Optical receiver For the remote controller ...

Страница 21: ...21 Soleil PJ1Training Slide 21 External View DE ST Model Comparison ST lens DE lens DE Model Y024 Y025 Y026 Y027 ST Model Y028 Y029 ...

Страница 22: ...J1Training Slide 22 Operation Panel Note the difference in the Focus and Eco buttons on the operation panel between the DE model and the ST model DE Model Y024 Y025 Y026 Y027 ST Model Y028 Y029 No additional notes ...

Страница 23: ...ting a USB memory device or USB device cable Accepts JPEG and MPEG2 file formats 2 HDMITM port For connecting an HDMI High Definition Multimedia Interface cable 3 LAN port Y025 Y027 Y028 Y029 For connecting an Ethernet cable 4 Computer In port Y Pb Pr For inputting RGB signals from a computer or component image signals Y Pb Pr from a video player 5 Video In port For inputting image signals from a ...

Страница 24: ...ot look exactly like this See later in this presentation for the components of the Altair PJ1 Lamp Light source UV IR Filter Lets visible light through wavelengths between 380 780nm and prevents UV and IR damage to other optical parts CW Color wheel The wheel has a red segment a green segment and a blue segment The wheel rotates to provide red green and blue light the color of the output beam chan...

Страница 25: ...r the green and blue signals The DLP chip generates the R G and B images by re positioning the micromirrors using micromachined hinges to make different pixelated images for each colour meaning that each micromirror has an ON and an OFF position For SVGA resolution the mirrors are 16 micrometer squares with a gap of about 0 8 micrometers between each mirror The mirrors can switch over every 15 mic...

Страница 26: ...ance between the projector and the screen and then the projector automatically adjusts the focus according to it Focus is corrected promptly also when you move the projector or adjust the zoom after starting projection Auto Focus module is assembled with optics engine unit It does not replace alone ...

Страница 27: ...eens 9 Mirror 9 Highly reflective screen such as a whiteboard 9 Black matte screen Auto Focus Start The range finding sensor measures the distance between the screen and the projector The auto focus unit detects the position of the zoom lens The auto focus unit moves the focus lens to a position determined by the distance and the position of the zoom lens Complete ...

Страница 28: ...28 Soleil PJ1Training Slide 28 Optical Components of this Series 1 Mercury lamp 2 Color wheel 3 Light pipe 4 Relay lens 5 Heat sink 6 DLP chip 7 Flat mirror 8 Concave mirror 9 Projector lens ...

Страница 29: ...29 Soleil PJ1Training Slide 29 Color Wheel In this series the color wheel has cyan yellow and white sectors in addition to the usual red green and blue No additional notes ...

Страница 30: ...30 Soleil PJ1Training Slide 30 Air Flow PSU and Lamp Ballast 1 Intake fan 2 Sirocco fan 3 Exhaust fan 4 Exhaust fan 5 Projected light No additional notes ...

Страница 31: ...ining 31 Slide 31 31 System Block Diagram AF Y025 Y027 only DMD Board 0 55 XGA Y024 Y025 Y028 0 65 WXGA Y026 Y027 Y029 Network Board Y025 Y027 Y028 Y029 only WLAN Md Y025 Y027 Y029 only Slide 31 31 System Block Diagram ...

Страница 32: ... 32 Boards Main board MB Power signal control and processing DMD board DMD BD Image signal processing and DMD control Lamp driver Ballast Starts the lamp When the lamp is being lit the voltage is over 10 000V No additional notes ...

Страница 33: ...DVI HDMI DisplayPort etc 2 Projector projects image with encoded patterns 3 Pen captures light from image 4 Measurement returned via 2 4GHz wireless 5 Pen position sent over USB or Bluetooth HID Mouse Attach the interactive tool kit adaptor Attach the USB dongle Install drawing software ...

Страница 34: ...34 Soleil PJ1Training Slide 34 Y024 Y025 Y026 Y027 Y028 Y029 Service Training Basic Points about Service This section explains the basic points about servicing the machine ...

Страница 35: ...ing Slide 35 Swap and Repair This product is intended for swap and repair If the projector needs repairs it is taken away from the customer site and a temporary replacement is provided to the customer No additional notes ...

Страница 36: ...36 Soleil PJ1Training Slide 36 Antistatic Clothing To protect the components from damage wear anti static clothing when you disassemble the machine No additional notes ...

Страница 37: ...tor for longer than 2 seconds When the projector enters the Service Mode the buzzer beeps for 3 seconds If it doesn t beep repeat from the beginning The projector remains in this mode until you turn off the projector DE Model Y024 Y025 Y026 Y027 ST Model Y028 Y029 Service Mode features Service status display Keystone calibration Sub contrast adjustment Color wheel index delay adjustment Fan contro...

Страница 38: ...aining Slide 38 LED Display The status of the three LEDs on the top and front panels indicate the machine s condition See the table LED Display in the Troubleshooting section of the service manual No additional notes ...

Страница 39: ...il PJ1Training Slide 39 Y024 Y025 Y026 Y027 Y028 Y029 Service Training Replacing Components This section shows the main points about replacing parts and how to calibrate the machine after installing new parts ...

Страница 40: ...ng Slide 40 Replacement Flow Chart This shows which parts must be removed to access the various components of the machine See the service manual for details of the procedures The next few slides will cover the main points ...

Страница 41: ...Optical Engine Yes No Main Board Color Wheel Index Delay Sub Contrast Keystone When you project an image onto a surface at an angle because the projector is not quite centered on the screen the image will be larger at the top than at the bottom in the case when the projector is on a table pointing up at the screen Modern projectors correct for this digitally but calibration is needed Sub contrast ...

Страница 42: ...42 Soleil PJ1Training Slide 42 Replacing the Lamp To replace the lamp unplug the power cord and then wait for 60 minutes No additional notes ...

Страница 43: ...ue by displaying the Service status How to view the service status After the projector has entered the service mode press the AV Mute and up buttons simultaneously Also you must do keystone calibration adjustment These procedures are all explained in the following section of the service manual Replacement and Adjustment Electrical Adjustment Projector Setup No additional notes ...

Страница 44: ...it The value is printed on the label attached to the unit You must input the last three digits on the label Make a note of these before you install the new optics engine When handling the optics engine hold the metal parts shown in the figure When installing the optics engine make sure the cables are not trapped under the leg of the optics engine No additional notes ...

Страница 45: ...ach model The lenses and the mount module are different for a start Make sure that you have the correct assembly for the model that you are working on The optics engine contains the DMD board DMD chip lens and rod These cannot be replaced as individual parts No additional notes ...

Страница 46: ...raining Slide 46 Optics Engines 2 How to determine the type of the optical engine How to determine the resolution of the optical engine Refer to the inscribed number Y024 Y025 Y028 XGA model Y026 Y027 Y029 WXGA model ...

Страница 47: ...47 Soleil PJ1Training Slide 47 Replacing the Color Wheel Avoid touching the glass parts of the color wheel No additional notes ...

Страница 48: ...uipment Required for the Adjustments Personal computer Windows PC using Windows 98SE ME 2000 XP or 7 Cables RGB Cable and Control USB A to Mini B Cable Protractor Used to measure angles for the Keystone Calibration No additional notes ...

Страница 49: ...e Up Down Left and Right buttons simultaneously Enter service mode See the service manual for the procedure The buzzer beeps for 3 seconds if you enter service mode successfully To exit service mode turn OFF the projector power The EEPROM is a backup area to hold the old settings if the adjustments do not go well ...

Страница 50: ...50 Soleil PJ1Training Slide 50 Adjustments Do the necessary adjustments as described in the service manual Keystone Calibration Color Wheel Index Delay No additional notes ...

Страница 51: ...51 Soleil PJ1Training Slide 51 Y024 Y025 Y026 Y027 Y028 Y029 Service Training Updating Firmware This section explains the basic points about updating the firmware ...

Страница 52: ...52 Soleil PJ1Training Slide 52 Preparation Before you begin firmware update the SiLabs driver software must be installed on your computer See the service manual for details ...

Страница 53: ...ntrol port and to your computer While holding down the Input and Mute buttons plug in the power cord Start DLP_FlashLoader on your computer Click browse and select the firmware data img file Click Start Download When update is complete the projector beeps for 3 seconds See the service manual for details ...

Страница 54: ...ding down the Power and Input buttons plug in the power cord After checking the firmware data the projector starts writing the firmware When the writing process starts the power button the lamp indicator and the temperature indicator flash sequentially When the update is successfully completed the Power button lights up blue and the lamp and temperature indicators light up red and the projector re...

Страница 55: ...55 Soleil PJ1Training Slide 55 Y024 Y025 Y026 Y027 Y028 Y029 Service Training Troubleshooting For basic troubleshooting procedures see the service manual ...

Страница 56: ...56 Soleil PJ1Training Slide 56 LED Display Projector The combination of LED indicators show if a problem has occurred These are the Power Lamp and Temp indicators No additional notes ...

Страница 57: ...57 Soleil PJ1Training Slide 57 LED Display Electrical Pen Interactive Tool Kit The combination of LED indicators show following condition No additional notes ...

Страница 58: ...58 Soleil PJ1Training Slide 58 Symptom The Troubleshooting section of the service manual contains some notes on symptom troubleshooting No additional notes ...

Страница 59: ...59 Soleil PJ1Training Slide 59 Background Information Types of Projectors This section briefly explains the various projector technologies on the market ...

Страница 60: ...nd red LCD projectors These use three LCD filters to create red green and blue images DLP projectors DLP Digital Light Processing was developed by Texas Instruments It uses micro mirror devices and rotating color wheels LCOS projectors LCOS liquid crystal on silicon uses liquid crystals as mirrors instead of filters No additional notes ...

Страница 61: ...de 61 CRT Projectors These use three cathode ray tubes blue green and red They have better contrast than LCD and DLP projectors They also have good resolution But they are bulky heavy and difficult to adjust No additional notes ...

Страница 62: ...he red part of the image one the green and one the blue In this way each LCD holds a pattern of pixels Then red light is shone through the LCD with the red part of the image and green and blue light are used for the other two LCDs After passing through the LCD filters the three beams are combined and projected LCD projectors give bright high resolution output and they are easy to adjust They are a...

Страница 63: ...mall mirrors Light is shone onto the chip through a fast spinning wheel that has a red sector a green sector and a blue sector This light is reflected off the chip and out through a lens onto a screen Projector Lens DLP Chip Lamp Lens Lens Color Wheel DLP Digital Light Processing was developed by Texas Instruments in 1987 The DLP chip is also known as a Digital Micromirror Device DMD DLP technolog...

Страница 64: ...nerates the R G and B images by re positioning the micromirrors using micromachined hinges to make different pixelated images for each colour meaning that each micromirror has an ON and an OFF position The mirrors can switch over every 15 microseconds so moving images can be projected For SVGA resolution the mirrors are 16 micrometer squares with a gap of about 0 8 micrometers between each mirror ...

Страница 65: ...iconductors and beams of light are reflected off these and recombined before being projected to the screen LCD projectors give bright high resolution high contrast output and they are easy to adjust But they are adversely affected by dust and vibrations The layout of the machine is similar to the LCD projector except that LCoS plates are used instead of LCD plates LCOS Liquid Crystal on Silicon Th...

Страница 66: ...66 Soleil PJ1Training Slide 66 Background Information Polarization No additional notes ...

Страница 67: ...n of the electric field It is convenient to think in terms of up down vertical and left right horizontal If the polarization is at an angle then this polarization can be thought of as having up down and left right components Light Horizontal Component Vertical Component No additional notes ...

Страница 68: ...onent to pass through but not the left right component Think of a rope passing through a picket fence with vertical slits If you vibrate the rope in a horizontal direction the fence will block the vibrations If you vibrate the rope in a vertical direction the vibrations in the rope will pass thought the gaps in the fence No additional notes ...

Страница 69: ...el to the plane of incidence in other words horizontal it is said to be p polarized If the field is polarized perpendicularly to the plane of incidence vertical it is said to be s polarized Unpolarized Light P polarized Light Plane of Incidence This diagram shows the case of a p polarizing filter ...

Страница 70: ...stances can polarize light If the angle is correct different for each mineral depends on the arrangement of molecules in the mineral the reflected light will be completely s polarized The refracted light will be at least partially p polarized Unpolarized Light S polarized Light No additional notes ...

Страница 71: ...71 Soleil PJ1Training Slide 71 Background Information Terms and Definitions Some details in this section may not apply to this model ...

Страница 72: ... is 5 4 Resolution This is expressed as the number of dots across the image versus the number of dots down the image the larger the number the higher the resolution Here are the resolutions of some common video graphic standards VGA Video Graphic Array 40 x 480 SVGA Super VGA 800 x 600 XGA Extended Graphic Array 1024 x 768 WXGA Wide VGA 1280 x 800 SXGA Super XGA 1280 x 1024 UXGA Ultra XGA 1600 x 1...

Страница 73: ...Light waves oscillate in the same way as sound waves If the waves oscillate in one plane only the light is said to be polarized Light reflected by a polarizing screen is polarized and is brighter than light reflected from a non polarizing screen Residual Image When an image on a display changes a residual image of the previous image can remain for some time In serious cases it can last for more th...

Страница 74: ...ean the air filter Do not operate the projector without the filter The message will appear the first time the user switches the power on after the 100 hour limit has been reached The message will stay on screen for 30 seconds or until the user operates the projector Brightness and Focus of Outer Parts of the Projected Image Generally when an image is projected there are differences between the cen...

Страница 75: ...Changing the Lamp The first time that the power is turned on after the lamp has been used for 3000 hours a message is displayed for the user The message disappears if you press the center part of the circular arrow button The hours of lamp use are calculated as follows Lamp use time Normal mode usage time Eco mode usage time Eco mode is the lower brightness mode that can be selected by the user It...

Страница 76: ...quare meter Outside on a sunny day the intensity is 15 000 to 20 000 lux Inside a room with electric light it is 1 500 lux In a room lit by candlelight it is 2 lux Candela This is often used for projectors with a built in light source such as a television It is normally expressed as candelas per square meter The candela is a measure of the strength of a light source and cd m2 expresses its brightn...

Страница 77: ...s between white and black are called gradations The higher the number of gradations the greater effect on the image but if the contrast is not high this effect is cancelled Color Separation A computer video signal is separated into a black and white signal and a colour signal In a projector it is separated into three colors red green blue The condition of the components that separate the light wil...

Страница 78: ...al light source is unaffected by external light sources and gives a high contrast image that is clear Jitter Flickering Jitter is noise in the image that is mainly caused by temporary fluctuations in the movement of rotating components such as the motors that drive the heads in a VCR unit The effects can be seen on vertical lines in the image Flickering of the image also can occur No additional no...

Страница 79: ...age settings reverse ceiling depend on how the projector is set up The following settings from the image adjustment menu can be used to adjust the projected image Contrast weak strong brightness dim bright colour strength for red green and blue image quality soft sharp Floor or table normal projection Reverse off Ceiling off Floor or table reverse projection Reverse on Ceiling off Ceiling normal p...

Страница 80: ...ection the projected image will be distorted into a trapezoidal shape instead of a rectangular shape The projector contains a sensor that detects the angle of projection in 15 degree increments and the image is automatically corrected This is known as Keystone Correction Projection Distance This is the distance from the projection lens to the screen For a larger screen the distance becomes longer ...

Страница 81: ...ction Screen Size Conversion Table Screen size inches is measured diagonally across the screen from top left to bottom right 6408 3609 5893 4420 290 3315 1867 3048 2286 150 6629 3734 6096 4572 300 3536 1991 3251 2438 160 6187 3485 5690 4267 280 3094 1742 2845 2134 140 5966 3360 5486 4115 270 2873 1618 2642 1981 130 5745 3236 5283 3962 260 2652 1494 2438 1829 120 5525 3112 5080 3810 250 2431 1369 2...

Страница 82: ...his is a compression technology to facilitate the storage and transmission of still colour images The data is reduced in a manner that is not visible to the eye but a compression of 1 100 is achieved MPEG Motion Picture Experts Group This is a compression technology to facilitate the storage and transmission of moving colour images There is more data than in a still image so compression is importa...

Страница 83: ...83 Soleil PJ1Training Slide 83 Throw Ratio Throw Ratio PD SW No additional notes ...

Страница 84: ...84 Soleil PJ1Training Slide 84 Optical Axis Projection Screen DMD Active Area a b B A Projection Lens Offset Offset A B B x100 a b b x100 No additional notes ...

Страница 85: ...85 Soleil PJ1Training Slide 85 No additional notes ...

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