Barco iD H250 Service Manual
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Barco iD H250 Service Manual

Barco iD H250 Service Manual

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R59770097/00
15/05/2007
iD H250 / H500
Service manual
R9010570
R9010520

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Summary of Contents for Barco iD H250

  • Page 1 H250 / H500 Service manual R9010570 R9010520 R59770097/00 15/05/2007...
  • Page 2 Barco nv Presentations Noordlaan 5, 8520 Kuurne Phone: +32 56.36.82.11 Fax: +32 56.35.86.51 E-mail: presentations.bid@barco.com Visit us at the web: www.barco.com Printed in Belgium...
  • Page 3 Changes Barco provides this manual ’as is’ without warranty of any kind, either expressed or implied, including but not limited to the implied war- ranties or merchantability and fitness for a particular purpose. Barco may make improvements and/or changes to the product(s) and/or the program(s) described in this publication at any time without notice.
  • Page 4 The period of guarantee begins on the date of transfer of risks, in the case of special systems and software on the date of commissioning, at latest 30 days after the transfer of risks. In the event of justified notice of complaint, Barco can repair the fault or provide a replacement at its own discretion within an appropriate period.

  • Page 5: Table Of Contents

    The folding mirror ........................72 R59770097 ID H250 / H500 15/05/2007...
  • Page 6 Dust filters......................... . .104 R59770097 ID H250 / H500 15/05/2007...

  • Page 7: Safety

    1. Safety 1. SAFETY Overview • Safety Instructions Safety Instructions ARNING Before Removing/Replacing any projector components, turn off the Main Power Switch and un- plug the Main AC power cable. R59770097 ID H250 / H500 15/05/2007...
  • Page 8 Keep the lamp away from your body. For continued explosion protection, replace the lamp only with one of the same type number. Always replace the lamp before the rated life time. R59770097 ID H250 / H500 15/05/2007...
  • Page 9 Use of a substitute replacement that does not have the same safety charac- teristics as the recommended replacement part in BARCO service data parts list might create shock, fire, and/or other hazards. Product Safety is under review continuously and new instructions are issued whenever appropriate. For the latest information, always consult the appropriate current BARCO service literature.
  • Page 10 1. Safety R59770097 ID H250 / H500 15/05/2007...

  • Page 11: General Information

    About this manual This manual describes iD H250 and iD H500. The main difference between both is the use of a RGBRGB color wheel in the iD H250 and the use of a RGBW color wheel in the iD H500.

  • Page 12: Abbreviations

    When needed, remove cable straps to easily disconnect a connector, when finished always replace with new cable straps and tie up the cables to their initial position. ARNING Always respect the ES (Electrostatically Sensitive) Instructions . Do not use any kind of tools when disconnecting a connector. R59770097 ID H250 / H500 15/05/2007...
  • Page 13 Board To Board Connectors are mounted directly on the Board, do not use any tools when disconnecting these connectors. • To disconnecting carefully lift the board on top. Image 2-2 Disconnect by carefully lifting the board on top R59770097 ID H250 / H500 15/05/2007...
  • Page 14 Insert the flat cable in a straight way into the flat cable connector. Image 2-5 Insert the flat cable in a straight way • Connect the flat cable by simultaneously pushing the mini locks on both sides of the flat cable connector. R59770097 ID H250 / H500 15/05/2007...

  • Page 15: Removing The Cable Basket

    No tools. How to remove the cable basket? 1. Slightly push downwards the middle top of the cable basket to unlock the upper part. 2. Pull the cable basket out of it bottom lock. R59770097 ID H250 / H500 15/05/2007...

  • Page 16: Removing The Lens

    3. Pull the lens out of the lens holder. Image 2-9 removal of the lens AUTION Never transport the projector with the lens mounted on it! Always remove the lens before trans- porting the projector. R59770097 ID H250 / H500 15/05/2007...

  • Page 17: Mounting The Lens

    Risk of electrical shock: before starting the replacement procedures, power down the projector and unplug the power cord from the wall outlet! How to remove the back cover? 1. Use a screwdriver to turn the rear cover lock screw a quarter turn counterclockwise. R59770097 ID H250 / H500 15/05/2007...

  • Page 18: Removing The Top Cover

    Tilt rear cover to remove it Removing the top cover Necessary tools Phillips N° 2 screwdriver How to remove the top cover? 1. Loosen and remove the screws A (3pc) and B (2pc) retaining the top cover) R59770097 ID H250 / H500 15/05/2007...
  • Page 19 2. General information Image 2-13 remove the 3 screws on the left Image 2-14 remove the 2 screws on the right 2. Unplug the connector on the keypad / IR receiver R59770097 ID H250 / H500 15/05/2007...

  • Page 20: Spares Overview

    R852585K Non recommended spares Description Category Order number Remote control unit (RCU) R763794K DLP interposer B401234K Color wheel sensor R764840K DMD temperature sensor R765064K Color wheel connection R765034K Color wheel RGBRGB (iD H250) R8526282K R59770097 ID H250 / H500 15/05/2007...
  • Page 21 Lamp top fan B3246759D Main lamp fan Power box fan B32455192D LPS fan DMD fan B32458892D Light rod and color wheel fan B3246611DK PMP fan Motors Description Category Order number Lens shift motor B3580101K R59770097 ID H250 / H500 15/05/2007...
  • Page 22 2. General information R59770097 ID H250 / H500 15/05/2007...

  • Page 23: Software

    IP address of the projector the upgrade will start: follow the instructions Tip: The IP address of the projector can be found in the OSD: Installation > Network Settings... R59770097 ID H250 / H500 15/05/2007...
  • Page 24 3. Software R59770097 ID H250 / H500 15/05/2007...

  • Page 25: Board And Component Location

    Left front view of the projector (the server on the image is replaced by a network layer in the iD H400) Indication Description Part number Input module contains several boards Backplane R765023 PMP (pixel map processor) R765024K LPS driver B400968K Left top view Image 4-2 Left top view of the projector R59770097 ID H250 / H500 15/05/2007...
  • Page 26 Power box R852585K Formatter R765020K Fan connector board R764395 Motor connector board R763592 Top cover view Image 4-3 Top cover: view of the inside Indication Description Part number Infra red and touch pad board R763579 R59770097 ID H250 / H500 15/05/2007...

  • Page 27: Component Location

    Right top view Image 4-4 Right top view of the projector Indication Description Part number Lamp cover (outlet) Engine frame (TIR prism location) Folding mirror Lens holder Rear view Image 4-5 Rear view of the projector R59770097 ID H250 / H500 15/05/2007...
  • Page 28 View on the optical frame Image 4-6 Optical path (view 1) Indication Description Part number folding mirror R8428901 R842894K UV / IR filter color wheel light rod DLP chip projector lens (adjusting handle for) a-spheric lens R59770097 ID H250 / H500 15/05/2007...
  • Page 29 4. Board and component location Image 4-7 Optical path (view 2) Indication Description Part number folding mirror R8428901 prism color wheel light rod a-spheric lens R59770097 ID H250 / H500 15/05/2007...

  • Page 30: Remote Control Unit

    4. Board and component location Remote control unit Image 4-8 Remote control unit Indication Description Part number R763794K Remote control unit (RCU) R59770097 ID H250 / H500 15/05/2007...

  • Page 31: Electronic Spares And Servicing Procedures

    L3 DVI VIDEO MUX HDSDI (opt.) BACKPLANE CW CONN. TO LAMPS 10 bits 20 bits 48 bits L1 DVI in SCALER SYSTEM CONTROL L1 DVI out PROCESSOR LVDS CONTROLLER FORMATTER Image 5-1 Simplified signal flow R59770097 ID H250 / H500 15/05/2007...
  • Page 32 5. Electronic spares and servicing procedures Simplified power control MAINS SMPS to LAMP 1 FILTER 1 LPS1 to LAMP 2 FILTER 2 LPS2 CONTROLLER Power box FANS MOTORS Image 5-2 Simplified power architecture R59770097 ID H250 / H500 15/05/2007...

  • Page 33: Interconnection Diagram

    The lamp cover contains the two lamp fans and guides the hot air out of the projector. When to remove the lamp cover? The lamp cover needs to be removed in the following cases: R59770097 ID H250 / H500 15/05/2007...
  • Page 34 Remove the screw of the lamp cover Image 5-6 Remove the screw of the lamp cover Image 5-5 Remove the screw of the lamp cover 2. Release the lamp top fan wires from the wire clamps R59770097 ID H250 / H500 15/05/2007...

  • Page 35: The Input Module

    DVI input layer: this layer is part of the PMP • RGB / video input layer • DVI / D15 input layer • ethernet layer • backplane Image 5-8 Input module: front/left view (layer 1 removed!) R59770097 ID H250 / H500 15/05/2007...

  • Page 36: Removing The Input Module

    1. Remove the PMP — See "Removing the PMP", page 47 2. Loosen the two screws fixing the input module (use a long screwdriver) Image 5-9 Input module: fixing screws 3. Slightly lift the input module and disconnect the power connector R59770097 ID H250 / H500 15/05/2007...

  • Page 37: Disassembling The Input Module

    Disassembling the input module Overview • The backplane • The DVI input • The RGB and Video input • The DVI and D15 input • The SDI / HDSDI input (optional) • The ethernet board R59770097 ID H250 / H500 15/05/2007...

  • Page 38: The Backplane

    No tools. How to replace the backplane? 1. Remove the input module from the projector — See "Removing the input module", page 32 2. Remove the backplane by gently disconnecting it from the assembly R59770097 ID H250 / H500 15/05/2007...

  • Page 39: The Dvi Input

    ADC and is converted into 48 bits • a video signal goes to a decoder + ADC and is converted into 10 bits The RGB/video input board can process one data source and one video source at the same time. R59770097 ID H250 / H500 15/05/2007...

  • Page 40: Replacing The Rgb / Video Input

    How to replace the RGB / Video input? 1. Remove the input module form the projector — See "Removing the input module", page 32 2. Remove the backplane — See "Replacing the backplane", page 34 3. Remove the side screw R59770097 ID H250 / H500 15/05/2007...
  • Page 41 Input module: side screw fixing the RGB / video input layer 4. Remove the three front screws Image 5-17 Input module: front screws fixing the RGB / video input layer 5. Take out the RGB / Video input R59770097 ID H250 / H500 15/05/2007...

  • Page 42: The Dvi And D15 Input

    Both signals can not be processed at the same time because there is a switcher which routes one signal or the other. Digital Input RGB 48bits 3x ADC HS(42) J412 VS(2) TMDS J411 EEPROM HP_DET DVI_DATA (I2C) AUDIO_L(12 AUDIO_R(52) Image 5-19 DVI / D15 input layer R59770097 ID H250 / H500 15/05/2007...

  • Page 43: Replacing The Dvi / D15 Input

    Input module: side screw fixing the DVI / D15 input layer 4. Remove the front nuts Image 5-21 Input module: front nuts fixing the DVI / D15 input board 5. Take out the DVI / D15 input board R59770097 ID H250 / H500 15/05/2007...

  • Page 44: The Sdi / Hdsdi Input (Optional)

    Installing the SDI / HDSDI input Necessary tools screwdriver Torx T10 How to install the SDI / HDSDI input? 1. See the installation manual which is delivered with the SDI / HDSDI input kit. R59770097 ID H250 / H500 15/05/2007...

  • Page 45: The Ethernet Board

    Gateway : this field can be edited when Fixed IP is selected Hostname Hostname : this field can be edited when DHCP is selected How to set up the network settings ? 1. Press the MENU key to activate the Menu bar. R59770097 ID H250 / H500 15/05/2007...

  • Page 46: Diagnostics Of The Ethernet Board

    LEDs 5.4.3.6.4 Replacing the ethernet board Necessary tools Torx screwdriver T10 How to replace the ethernet board? 1. Remove the input module form the projector 2. Remove the backplane 3. Remove the side screw R59770097 ID H250 / H500 15/05/2007...

  • Page 47: The Pixel Map Processor (Pmp)

    Input module: front screws fixing the ethernet board 5. Take out the ethernet board The pixel map processor (PMP) Overview • Description of the PMP • Diagnostics of the PMP • Removing the PMP R59770097 ID H250 / H500 15/05/2007...

  • Page 48: Description Of The Pmp

    Field memory backplane data formatter graphics data port scaler video layer 1: DVI video data port preprocessor HDTV deinterlacer DVI out processor & HDTV deinterlacer RS232 Boot Ethernet CPLD Flash Image 5-31 PMP: schematic overview R59770097 ID H250 / H500 15/05/2007...

  • Page 49: Diagnostics Of The Pmp

    Diagnostics of the PMP Field Programmable Gate Array Network of logical gates which can be customized (programmed for a particular use) LED diagnostics during the startup of the projector Image 5-33 PMP: indication LED’s during startup R59770097 ID H250 / H500 15/05/2007...

  • Page 50: Image

    ON during the 2nd stage of the startup cycle green Ethernet link between PMP and ethernet switch on PMP established sending or receiving a package of information via Ethernet others ON if the according FPGA is not configured well R59770097 ID H250 / H500 15/05/2007...

  • Page 51: Removing The Pmp

    GND (ground): remove the screw Image 5-35 PMP: connectors 2. Remove the top screw Image 5-36 PMP: fixing screw 3. Remove the screw and the six nuts on the front plate of layer one of the input box R59770097 ID H250 / H500 15/05/2007...

  • Page 52: The Formatter

    The formatter board is a digital image processing unit where the data is converted from 9 pairs of LVDS to 2x30 bits of digital information to be sent to the DMD. The formatter has two channels of 30 bits because of the high resolution of the DMD. The main tasks of this formatter board are: R59770097 ID H250 / H500 15/05/2007...

  • Page 53: Replacing The Formatter

    2. Remove the two top nuts. Be careful not to drop the springs! Tip: Look at the position of the nuts: they must be in the same position when remounting a new formatter (focus !). Image 5-40 Lens holder and formatter: top view R59770097 ID H250 / H500 15/05/2007...

  • Page 54: The Power Box

    Do not bend the formatter board, since this will cause damage to it! The power box Overview • Description • Diagnostic LED’s • Replacing the power box 5.7.1 Description Description Image 5-42 Power box: right side with connectors R59770097 ID H250 / H500 15/05/2007...
  • Page 55 PFC (power factor connector) • SMPS (switched mode power supply) • controller board board description Generates a stable DC voltage for the SMPS Generates the power for both LPS. Each LPS is protected by a fuse. R59770097 ID H250 / H500 15/05/2007...
  • Page 56 ++12V standby , +12V operational , +12VA operational and image temperature sensors on the lamps ambient temperature sensor (determines the speed of the fans) communication with PMP puls counters from fans via fan connector board (8 wires, 7 signals) R59770097 ID H250 / H500 15/05/2007...

  • Page 57: Diagnostic Led's

    For continued protection against fire hazard, replace always with the same type of fuses! Image 5-47 Location of the fuses 5.7.2 Diagnostic LED’s Meaning of the LED’s In the opening of the power box between connectors 3 and 4, four led’s are visible. R59770097 ID H250 / H500 15/05/2007...

  • Page 58: Replacing The Power Box

    2. Remove the input module 3. Remove the lamp cover 4. Loosen the four screws on the bottom of the power box. These screws are fixed to the power box and can not fall out. R59770097 ID H250 / H500 15/05/2007...
  • Page 59 Loosen both front screws 5. Disconnect the mains power connectors on the left side of the power box Image 5-52 Disconnect the mains power cables 6. Unplug the colored fan connectors on the fan connector board R59770097 ID H250 / H500 15/05/2007...
  • Page 60 6: power supplies for the boards (++12V, +12V, +12VA) 7: lamp temperature sensors 9: ambient temperature sensor 13: communication with PMP 17 & 18: LPS control 19 & 20: lens motor control 21: power supply for LPS R59770097 ID H250 / H500 15/05/2007...
  • Page 61 10.Lift the power box out of the projector. 11. Unplug the connectors which are going to the fan connector board: 3: power supply to fan connector board 15: pulse counter from fan connector board R59770097 ID H250 / H500 15/05/2007...
  • Page 62 Image 5-57 12. Remove the four screws of the fan connector board Image 5-58 Remove the four screws 13.Remove the fan connector board 14.Unplug the mains power connector Image 5-59 Disconnect the mains power connector R59770097 ID H250 / H500 15/05/2007...

  • Page 63: The Lamp Power Supply

    3. Remove the three connectors as described below: J4 (power supply from the power box) J5 (control signals for the color wheel) J8 (control signal for the LPS) J10 (control signal for the LPS) R59770097 ID H250 / H500 15/05/2007...
  • Page 64 4. Loosen the two screws fixing the LPS cover to the projector bottom Image 5-62 Image 5-63 Loosen the front screw of the LPS cover Loosen the rear screw of the LPS cover 5. Gently release the wires while lifting the LPS cover R59770097 ID H250 / H500 15/05/2007...
  • Page 65 Image 5-66 Release the wires Release the wires 6. Unplug the connectors as described below: CJ1: power supply from the lamp filters CJ2: control signals form the formatter CJ4: power supply to the lamps R59770097 ID H250 / H500 15/05/2007...

  • Page 66: Replacing The Lamp Filter

    1. Remove the lamp cover 2. Remove the four screws fixing the lamp filter cover Image 5-68 Lamp filter cover screws 3. Unplug the connectors as described below: J104: from the power box J105: to the LPS R59770097 ID H250 / H500 15/05/2007...
  • Page 67 5. Electronic spares and servicing procedures Image 5-69 Lamp filter connectors 4. Remove the fixing screws Image 5-70 Lamp filter screws 5. Remove the lamp filter R59770097 ID H250 / H500 15/05/2007...
  • Page 68 5. Electronic spares and servicing procedures R59770097 ID H250 / H500 15/05/2007...

  • Page 69: Optical Spares And Servicing Procedures

    6. OPTICAL SPARES AND SERVICING PROCEDURES Overview • Introduction • The UHP lamp • The UV/IR filter • The DLP chip • The folding mirror • The aspheric lens • The light rod Introduction Optical path description Image 6-1 R59770097 ID H250 / H500 15/05/2007...
  • Page 70 6. Optical spares and servicing procedures Indication Description UHP lamp UV/IR filter prism color wheel light rod aspheric lens triplet lens folding mirror TIR prism DLP chip projector lens condenser lens Image 6-2 R59770097 ID H250 / H500 15/05/2007...

  • Page 71: The Uhp Lamp

    Necessary tools No tools. Resetlamp runtime Only for Barco authorized technicians! The lamp runtime may only be reset when placing a new lamp. 1. Press MENU to activate the tool bar. 2. Press → to select the Lamp menu 3. Use ↓ to pull down the Lamp menu 4.

  • Page 72: Removing The Lamp

    9. Use ← or → to select Accept. The runtime will be reset and the serial number will be saved ARNING Lamp runtime reset can only be done by a Barco authorized technician. Removing the lamp Do not remove a lamp if the projector or lamp is still hot! 1.

  • Page 73: The Uv/Ir Filter

    3. Gently remove the filter Caution: Do not touch the glass surface as this will damage the filter. How to mount the UV/IR filter? 1. Put in the new filter with the UV coating facing the lamp R59770097 ID H250 / H500 15/05/2007...

  • Page 74: The Dlp Chip

    DLP / formatter mounting system • Replacing the DLP chip 6.4.1 DLP / formatter mounting system How the DLP chip is mounted onto the formatter? Several parts are mounted onto each other. The parts are described below: R59770097 ID H250 / H500 15/05/2007...

  • Page 75: Replacing The Dlp Chip

    DLP chip! AUTION Always check the type of the delivered DLP chip. The formatter has to be set in order to match the new DMD! R59770097 ID H250 / H500 15/05/2007...

  • Page 76: The Folding Mirror

    4. Now the DLP chip can be removed The folding mirror 6.5.1 Description of the folding mirror Description The folding mirror reflects the light beam coming from the light pipe and directs it to the DMD. R59770097 ID H250 / H500 15/05/2007...

  • Page 77: Removing The Folding Mirror

    A black border or a black area in a corner of the projected image can be caused by a misalignment of the folding mirror. This black area can be found at any side of the image, depending on the position of the folding mirror. R59770097 ID H250 / H500 15/05/2007...
  • Page 78 Now the screw can be turned without risk of breaking off the screw head. The nominal position of the folding mirror is the position where the top plate of the folding mirror is at the same level as the top of the three studs. Image 6-18 R59770097 ID H250 / H500 15/05/2007...

  • Page 79: The Aspheric Lens

    Description The aspheric lens adjusts the focus of the light beam on the DMD. The aspheric lens is pre-adjusted in the factory. The position of the aspheric lens is locked by a securing screw. R59770097 ID H250 / H500 15/05/2007...

  • Page 80: Adjusting The Aspheric Lens

    Note: If the edge of the black area is a sharp line, the asperic lens is well aligned! 3. Release the securing screw of the aspheric lens Image 6-23 4. Move up or down the adjusting handle until the edge of the black area becomes a sharp line R59770097 ID H250 / H500 15/05/2007...

  • Page 81: The Light Rod

    How to align the light rod? 1. Switch off the projector 2. Remove the lamp cover 3. Remove the left lamp — See "The UHP lamp", page 67 4. Release the two securing screws R59770097 ID H250 / H500 15/05/2007...
  • Page 82 7. Turn the adjustment screw until the light beam is aligned on the DMD. This screw can be reached through a whole in the lamp cover Image 6-27 Whole in the lamp cover to reach the adjustment screw of the lightrod R59770097 ID H250 / H500 15/05/2007...
  • Page 83 6. Optical spares and servicing procedures Image 6-28 8. Switch off the projector 9. Remove the lamp cover and the right lamp 10.Tighten the securing screws 11. Mount the lamp cover and the lamp back again R59770097 ID H250 / H500 15/05/2007...
  • Page 84 6. Optical spares and servicing procedures R59770097 ID H250 / H500 15/05/2007...

  • Page 85: Mechanical Spares And Servicing Procedures

    The position of the color wheel is detected by the sensor, which detects a black mark on the motor shaft. This speed control and position detection makes it possible to accomplish a perfect synchronization of color wheel, lamp and DMD reset driver. R59770097 ID H250 / H500 15/05/2007...

  • Page 86: Replacing The Color Wheel

    Image 7-2 Disconnect the flat cable Caution: Be very careful when disconnecting the flat cable: gently pull out the connector lock 3. Unplug connector J103 on the interconnection unit (wires to the color wheel sensor) R59770097 ID H250 / H500 15/05/2007...
  • Page 87 Image 7-4 Fixing screws of color wheel 5. Gently lift the color wheel assembly to remove it. Do not touch the glass parts. Image 7-5 Lift the color wheel out of the optical frame R59770097 ID H250 / H500 15/05/2007...

  • Page 88: Color Wheel Index

    5. Use the cursor key ← or → , the numeric keys on the RCU, or the local keypad, to adjust the Color Wheel Index, confirm with ENTER. 6. Press BACK to return to the Installation menu. R59770097 ID H250 / H500 15/05/2007...

  • Page 89: Replacing The Color Wheel Sensor

    How to remove the color wheel connection board? 1. Remove the lamp cover 2. Unplug the connectors as described below: J101: color wheel motor J103: color wheel sensor J38: control signals from the formatter board R59770097 ID H250 / H500 15/05/2007...

  • Page 90: The Lens Shift Motor

    4. Remove the color wheel connection board The lens shift motor Description The lens shift motor receives its commands via the motor connector board. This motor moves up and down the lens (vertical lens shift). R59770097 ID H250 / H500 15/05/2007...
  • Page 91 A: screws fixing the lens shift motor Note: If the lens position is too high, one can not reach the fixing screws and the lens holder must be taken apart. 3. Slide out the lens shift motor R59770097 ID H250 / H500 15/05/2007...

  • Page 92: Fans And Temperature Sensors

    J6 on fan connection board fan light pipe J32 on interconnection board on projector frame, next to the light pipe fan DMD J4 on fan connection board fan PMP J7 on fan connection board R59770097 ID H250 / H500 15/05/2007...

  • Page 93: Fan Location

    7. Mechanical spares and servicing procedures Fan location Image 7-16 Location of fan lamp and fan lamp top Image 7-17 Image 7-18 Location of fan LPS Location of fan power box R59770097 ID H250 / H500 15/05/2007...
  • Page 94 7. Mechanical spares and servicing procedures Image 7-19 Location of fan light pipe Image 7-20 Location of the light pipe fan connector R59770097 ID H250 / H500 15/05/2007...
  • Page 95 7. Mechanical spares and servicing procedures Image 7-21 Location of the fan DMD Image 7-22 Location of the fan PMP on top of the power box R59770097 ID H250 / H500 15/05/2007...

  • Page 96: Replacing The Lamp Fans

    7mm How to remove the lamp top fans? 1. Unplug the fan connector (J3 of J 5 on the fan connector board) 2. Remove the nuts fixing the fan to the projector R59770097 ID H250 / H500 15/05/2007...

  • Page 97: Replacing The Power Box Fan

    1. Remove the LPS cover — See "Replacing the lamp power supply", page 59 2. Unplug the fan connector (J6 on the fan connector board) 3. Remove the four screws fixing the LPS fan R59770097 ID H250 / H500 15/05/2007...

  • Page 98: Replacing The Light Pipe Fan

    5. Remove the three screws fixing the optical frame to the chassis Image 7-29 Fixing screw of optical frame (rear side of projector) Image 7-28 Fixing screw of optical frame (next to lamp filters) R59770097 ID H250 / H500 15/05/2007...
  • Page 99 8. Take out the optical frame by lifting it a bit en sliding it out 9. Remove the IR/UV filter — See"The UV/IR filter", page 69 10.Unscrew the four screws and remove the condenser lens behind the IR/UV filter R59770097 ID H250 / H500 15/05/2007...

  • Page 100: Replacing The Dmd Fan

    1. Remove the lens holder — See "Removing the lens holder", page 99 2. Unplug the connector of the fan (J4 on the fan connector board) 3. Remove the two screws fixing the DMD fan to the projector bottom R59770097 ID H250 / H500 15/05/2007...

  • Page 101: Replacing The Pmp Fan

    Ambient temperature sensor The ambient temperature records the ambient temperature in the projector. Its feedback signal is used to control the fan speeds. It is located on the bottom of the projector, underneath the formatter board. R59770097 ID H250 / H500 15/05/2007...
  • Page 102 These sensors guard the lamp temperature: in case of overtemperature, the corresponding lamp will not be lit. Image 7-38 Location of the lamp temperature sensors DMD temperature sensor This sensor records the temperature of the DMD chip. R59770097 ID H250 / H500 15/05/2007...

  • Page 103: The Lens Holder

    4. Remove the 7 screws, fixing the grid to the bottom side of the projector Image 7-40 Screws of the filter cover 5. Remove the two screws fixing the lens holder to the frame on the bottom side of the projector R59770097 ID H250 / H500 15/05/2007...
  • Page 104 9. Turn the V-clip as to release the shaft of the lens locking handle system. See image 7-42 10.Slide out the shaft of the lens locking handle system. See image 7-42 11. Remove the two nuts and washers at the left side of the lens holder R59770097 ID H250 / H500 15/05/2007...
  • Page 105 12. Release the wires from the lens holder Image 7-45 Release the wires from the lens holder 13.Unplug the following connectors on the motor connector board: J239 (to 19 on the power box) J240 (to 20 on the power box) R59770097 ID H250 / H500 15/05/2007...
  • Page 106 J11 (to 17 on the PB) J1 (to J907 on the PMP) J2 (to J915 on the PMP) J4 (to 6 on the PB) Image 7-47 Connectors J5, J8, J9, J10, J11 on the formatter board (part 1) R59770097 ID H250 / H500 15/05/2007...
  • Page 107 Image 7-48 Connectors J1, J2, J4 on the formatter (part 2) 15.Loosen the two screws fixing the lens holder to the bottom of the projector (loosen them, no need to remove them) Image 7-49 R59770097 ID H250 / H500 15/05/2007...

  • Page 108: Dust Filters

    16.Now you can remove the lens holder by gently sliding it a bit foward and lifting it out of the projector Image 7-50 Lens holder: front side Dust filters Information There are no dust filters to be cleaned! Parts which are sensitive to dust are protected with seals. R59770097 ID H250 / H500 15/05/2007...

This manual is also suitable for:

Id h500

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