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Ricoh Antares-PJ1 CS, Обучение по обслуживанию

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39

Antares-PJ1Training

Slide 39

Types of Projectors

‰

There are 4 main types.

Š

CRT projectors: These use three cathode ray 
tubes (blue, green, and red).

Š

LCD projectors: These use three LCD filters to 
create red, green, and blue images. 

Š

DLP projectors: DLP (Digital Light Processing) 
was developed by Texas Instruments. It uses 
micro-mirror devices and rotating color wheels

Š

LCOS projectors: LCOS (liquid crystal on silicon) 
uses liquid crystals as mirrors, instead of filters

No additional notes

Содержание Antares-PJ1 CS

Страница 1: ...1 Antares PJ1Training Slide 1 Y020 Y021 Y022 Service Training Antares PJ1 Version 1 0 This training course provides service technician training for the Antares PJ1 series ...

Страница 2: ...2 Antares PJ1Training Slide 2 Y020 Y021 Y022 Service Training Product Overview This section provides an overview of the machine and the options that can be installed ...

Страница 3: ... PJ1 cx Y021 PJ X2130 2500 lumens XGA resolution Antares PJ1 cs Y022 PJ S2130 2500 lumens SVGA resolution These are compact entry level models with standard features The models in this series cannot be used as network projectors These models do not work with Network Utility Projector Management Utility or Remote No additional notes ...

Страница 4: ...anical Zoom Lens Projection lens 200W OSRAM E20 8 Lamp type 2500lm Brightness 6 segments Color wheel type Antares PJ1 cw Antares PJ1 cx Antares PJ1 cs Type DLP Resolution WXGA XGA SVGA Dimensions W D H 286 3 192 88 Weight 2 5 kg 5 5 lbs Power 280W Keystone Vertical Manual Speaker 2W x 1 Wireless LAN No Wired LAN No USB Service Use Only HDMI Yes No additional notes ...

Страница 5: ...t when mounted on a ceiling 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 6: ...J1Training Slide 6 Low Energy Consumption 4 000 hour lamp life and lower power consumption in Eco mode 0 5W power consumption in standby mode Note that in the service mode menu Eco Mode is referred to as Low Mode ...

Страница 7: ...p Y207 200W mercury lamp Life 3000 hours normal mode 4000 hours Eco mode There may be a 50 decrease in brightness at the end of the lamp s life 3D glasses Y107 Will also be usable with other DLP type projector models to be released in the near future No additional notes ...

Страница 8: ... Failure Rate 1st year 0 0025 cases unit month 2nd year 0 0029 cases unit month 3rd year 0 0037 cases unit month The failure rate of a projector 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 3 000 hrs Eco Mode 4 000 hrs No additional notes ...

Страница 9: ... that the life time has expired If used in Normal Mode only the alert appears after 3 000 hrs projection time If used in Eco Mode only the alert appears after 4 000 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 10: ...ury vapour 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 11: ... Focus ring 6 Ventilation outlet 7 IR receiver 8 Lens 9 Lens cap 10 Connection ports 11 Adjustable feet Slide 11 11 Overview External View 1 Operation panel 2 Zoom 3 Ventilation inlet 4 Speaker 5 Focus ring 6 Ventilation outlet 7 IR receiver 8 Lens 9 Lens cap 10 Connection ports 11 Adjustable feet No additional notes ...

Страница 12: ...12 Antares PJ1Training Slide 12 Operation Panel The three LEDs are used to show symptoms for troubleshooting Remote Controller No additional notes ...

Страница 13: ... IN Connector Input for analog RGB signals from a computer or a component video signal Y PB PR from video equipment 3 S VIDEO IN Connector Input for S video signals from video equipment 4 VIDEO IN Connector Input for video signals from video equipment 5 SERVICE Port Use this port to update the firmware 6 MONITOR OUT Connector Output for analog RGB signals or component video signal Y PB PR to anoth...

Страница 14: ...rce 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 changes from red to green to blue Integrating Rod Gives the light a uniform luminous flux L3 Condensing lens Con...

Страница 15: ...n the beam path and similarly for the green and blue signals The DMD 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 No addit...

Страница 16: ...m shows how signals flow between boards It also shows the light path from the lamp through to the lens The light changes between red green and blue as the color wheel turns The red dotted lines indicate the components of the optical engine Slide 16 16 System Block Diagram Lamp Fan Speaker DMD board Signal Main board Screen Lens Color wheel Power LVPS Lamp driver 380VDC Signal input Board to board ...

Страница 17: ...l and processing DMD board DMD BD Image signal processing and DMD control LVPS DC DC Power supply passes signals between boards LVPS means Low Voltage Power Supply Lamp driver Ballast Starts the lamp When the lamp is being lit the voltage is over 10 000V No additional notes ...

Страница 18: ...to LVPS J1 8P DMD BD to Main board HDMI 19P Computer in 15P S VIDEO 4P VIDEO AUDIO IN DMD Board LVPS Lamp Driver Lamp 5P 5P 2P 2P 2P 2P 8P 8P Power Inlet Thermal Switch 2P Interlock Switch 2P Computer Out 15P Mini USB Photo J9 3P Keypad board Board Layout This diagram shows how to connect the cables to the main board and other parts ...

Страница 19: ... Diagram Lamp driver DDP 2000 LVPS AC in DC 3 3V 5V 12V Source in Fans Speaker Audio AMP TAP0172 Video Decoder TVP5147 ADC AD9983 DAD 1000 CW index DMD BD DMD CHIP CW Photo sensor BD CW Motor driver Lamp Projection Lens Main Board No additional notes ...

Страница 20: ...20 Antares PJ1Training Slide 20 Y020 Y021 Y022 Service Training Basic Points about Service This section explains the basic points about servicing the machine ...

Страница 21: ...ing Slide 21 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 22: ...22 Antares PJ1Training Slide 22 Antistatic Clothing To protect the components from damage wear anti static clothing when you disassemble the machine No additional notes ...

Страница 23: ...ess Power Left Left and Menu sequentially to get into service mode Note You can use the remote controller for this For a list of functions in the service menu see System Maintenance Service Mode Service Mode Settings in the service manual No additional notes ...

Страница 24: ...1Training Slide 24 LED Display The status of the three LEDs on the front panel indicate the machine s condition See the table LED Display in the Troubleshooting section of the service manual LEDs No additional notes ...

Страница 25: ... Whenever you replace a component check this table to see if you have to do any of these procedures The text in the Replacement and Adjustments procedures does not always refer to this table Update Change parts Main board Firmware Color wheel Lamp module Optical Engine Lamp driver Blower Version update V V Color wheel index V V PC calibration V V Reset lamp hours V Re write Lamp Hours V OSD reset ...

Страница 26: ...26 Antares PJ1Training Slide 26 Replacing the Lamp To replace the lamp unplug the power cord and then wait for 60 minutes No additional notes ...

Страница 27: ...ain board contains a record of the lamp usage hours If you have to change the main board make a note of the lamp hours before you remove the board Then use Rewrite Lamp Hours after you install the new board to store this number in the new board No additional notes ...

Страница 28: ...same for each model The lenses 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 29: ...29 Antares PJ1Training Slide 29 Replacing the Color Wheel Avoid touching the glass parts of the color wheel No additional notes ...

Страница 30: ...Adjustment Do this after replacing the color wheel Also do this adjustment if color appears abnormal after changing the main board The adjustment is in service mode Note that the adjustment appears in two different menus These adjustments are the same ...

Страница 31: ...31 Antares PJ1Training Slide 31 Rod Adjustment Adjust if there are yellowish or bluish parts in the image No additional notes ...

Страница 32: ...ration panel or remote controller The orange square on the left side of the display shows which section of the main menu is selected The sub menu shows which items are in this section of the main menu Main Menu Sub Menu Settings This is not explained in the service manual so we explain it here ...

Страница 33: ... Antares PJ1Training Slide 33 OSD Reset 2 In the main menu select Default Settings 2 Then select Reset All and Execute This returns all adjustments and settings to the factory settings No additional notes ...

Страница 34: ...ts Burn in Test in the service manual The lamp on and off durations can be set before starting the test This procedure takes a number of hours to complete so should not be done at the customer site After a normal repair 2 hours If the cause of the malfunction cannot be detected 4 hours After solving a problem that causes the power to automatically turn off 6 hours The Functional Tests section of t...

Страница 35: ...35 Antares PJ1Training Slide 35 Y020 Y021 Y022 Service Training Updating Firmware This section explains the basic points about updating the firmware ...

Страница 36: ...m Firmware 1 Equipment needed Software DLP Composer Lite Firmware img Library file Hardware Projector Power Cord USB Cable mini USB to USB A PC or Laptop The detailed procedure is in the System Maintenance Firmware Update section of the service manual ...

Страница 37: ...amp Temp LEDs will light red after around 10 seconds then release the Power button Connect the Projector to the PC Use a mini USB cable Update the firmware Use DLP Composer Lite The procedure takes several minutes When Download completed appears on the screen Unplug the mini USB cable and power cord Plug in the power cord then restart the projector and get into Service mode to check the system fir...

Страница 38: ...38 Antares PJ1Training Slide 38 Background Information Types of Projectors This section briefly explains the various projector technologies on the market ...

Страница 39: ...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 40: ...de 40 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 41: ...the 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 ...

Страница 42: ...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 43: ...enerates 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 44: ...ight 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 Polarized Light R G or B Light Glass LCD Mirror CMOS LCOS L...

Страница 45: ...45 Antares PJ1Training Slide 45 Background Information Polarization No additional notes ...

Страница 46: ...on 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 47: ...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 48: ...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 49: ...bstances 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 50: ...50 Antares PJ1Training Slide 50 Background Information Terms and Definitions Some details in this section may not apply to this model ...

Страница 51: ... 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 52: ... 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 t...

Страница 53: ...lean 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 ce...

Страница 54: ...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 55: ...square 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 bright...

Страница 56: ...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 57: ...rnal light source is unaffected by external light sources 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 note...

Страница 58: ...mage 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 ...

Страница 59: ...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 60: ...ection 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 ...

Страница 61: ...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 62: ...62 Antares PJ1Training Slide 62 Throw Ratio Throw Ratio PD SW No additional notes ...

Страница 63: ...63 Antares PJ1Training Slide 63 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 64: ...64 Antares PJ1Training Slide 64 No additional notes ...

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