Barco Galaxy NH-12 Service Manual
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Barco Galaxy NH-12 Service Manual

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Galaxy NH-12
Service manual
R9040400
R59770141/00
20/02/2008

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Summary of Contents for Barco Galaxy NH-12

  • Page 1 Galaxy NH-12 Service manual R9040400 R59770141/00 20/02/2008...
  • Page 2 Barco nv Simulation Products Noordlaan 5, B-8520 Kuurne Phone: +32 56.36.82.11 Fax: +32 56.36.84.86 E-mail: info@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 5: Table Of Contents

    Removing the X-fan supply ....................54 R59770141 GALAXY NH-12 20/02/2008...
  • Page 6 Cold mirror ......................... .121 R59770141 GALAXY NH-12 20/02/2008...
  • Page 7 10.3 Integrating rod alignment ......................181 R59770141 GALAXY NH-12 20/02/2008...
  • Page 8 List of images......................193 R59770141 GALAXY NH-12 20/02/2008...

  • Page 9: Safety Guidelines

    Overview • Safety Instructions • UV radiation Safety Instructions ARNING Before Removing/Replacing any projector components, turn off the Main Power Switch and un- plug the Main AC power cable. ARNING Only intended for qualified service personnel. R59770141 GALAXY NH-12 20/02/2008...
  • Page 10 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. R59770141 GALAXY NH-12 20/02/2008...

  • Page 11: Uv Radiation

    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 12 1. Safety guidelines R59770141 GALAXY NH-12 20/02/2008...

  • Page 13: Spare Parts

    Ambient temperature and pressure sensor R765358K Desktop input board R765359K Mains filter R765424K Light pipe (LP HDTV) R8506032K Optical relay (Inf array) R850611K SPG (CNN power lamp) R850607K Lens holder R850608K CLO + LFR sensor R850606K Light feedback R7646331K R59770141 GALAXY NH-12 20/02/2008...

  • Page 14: Covers

    Fan bottom lamp (fan 70x70) B32470291DK Fan top LPS Fan unit 1: fan LPS vertical assembly R850615K Fan unit 2: fan engine assembly R850616K Lamps Lamps Description Article number Lamp + new housing R9843080 Lamp + refurbished lamp housing R9843090 R59770141 GALAXY NH-12 20/02/2008...

  • Page 15: General Information

    DLP™ digital light processor digital micro mirror device digital visual interface FPGA field programmable gate array HDSDI high definition serial digital interface HDTV high definition television infra red liquid crystal display R59770141 GALAXY NH-12 20/02/2008...

  • Page 16: General Instructions

    Wires Due to the amount of cables, some of the procedures described below can become quite complicated. Make sure to take into account the following directions. R59770141 GALAXY NH-12 20/02/2008...

  • Page 17: Emc Shielding Clamps

    Torx screwdriver T10 electronic parts Torx screwdriver T20 mechanical parts Phillips screwdriver Ph1 small covers Phillips screwdriver Ph2 mechanical parts Hex or Allen™ key 2.5 mm mechanical parts nut spanner 4.5 mm or 3/16” DVI connectors R59770141 GALAXY NH-12 20/02/2008...
  • Page 18 5.5 mm mechanical parts nut spanner 7 mm mechanical parts nut spanner 10 mm lamp power wires cutting pliers (small) cable ties cable ties fixing wires slotted screwdriver 3 mm or 4 mm opening EMC shielding clamps R59770141 GALAXY NH-12 20/02/2008...

  • Page 19: Covers

    The cable basket is used to hide the input box front panel and the connected wires. 4.2.1 Removing the cable basket Necessary tools No tools. How to remove the cable basket? 1. Push the metal joggle to the front side of the projector R59770141 GALAXY NH-12 20/02/2008...

  • Page 20: Installing The Cable Basket

    No tools. How to install the cable basket? 1. Fix the cable basket to the projector: the hooks of the cable basket must fit the slots of the projector Image 4-5 Cable basket: slots on the projector R59770141 GALAXY NH-12 20/02/2008...

  • Page 21: Rear Cover

    2. Push the cable basket against the projector and then push it down until the joggle is locking (“click” sound) Image 4-7 Cable basket: two steps to fix it to the projector Image 4-8 Cable basket: the joggle must lock Rear cover Overview • Removing the rear cover • Installing the rear cover R59770141 GALAXY NH-12 20/02/2008...

  • Page 22: Removing The Rear Cover

    Necessary tools Philip screwdriver Ph2 How to install the rear cover? 1. Put both clamps of the rear cover in the holes on the top cover Tip: The rear cover must be tilted to perform this step! R59770141 GALAXY NH-12 20/02/2008...

  • Page 23: Top Cover

    3. Fix the rear cover using the fixing screw Image 4-17 Installing the rear cover: step 5 Top cover Overview • Removing the top cover • Installing the top cover Description The top cover protects the lens holder, LPS and engine controller. R59770141 GALAXY NH-12 20/02/2008...

  • Page 24: Removing The Top Cover

    Image 4-18 Image 4-19 Top cover: front screws Top cover: left screw Image 4-20 Top cover: right screw 2. Lift the top cover to remove it Image 4-21 Top cover: lift to remove R59770141 GALAXY NH-12 20/02/2008...

  • Page 25: Installing The Top Cover

    1. Put the top cover in the correct position Image 4-22 Top cover 2. Fix the top cover using four screws Image 4-23 Image 4-24 Top cover: left screw Top cover: right screw Image 4-25 Top cover: front screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 26: Lamp Start Cover

    1. Remove both screws on the top side of the lamp start cover Image 4-27 Lamp start cover: fixing screws 2. Tilt the top side of the cover down over 45° (see arrow 1 on the picture) R59770141 GALAXY NH-12 20/02/2008...

  • Page 27: Installing The Lamp Start Cover

    Installing the lamp start cover Necessary tools Phillips screwdriver Ph1 How to install the lamp start cover? 1. Put the cover — slightly tilted — in the right position (see 1 and 2 on the picture) R59770141 GALAXY NH-12 20/02/2008...

  • Page 28: Folding Mirror Cover

    • CLO-LFR assembly Before the lamp start cover can be taken off, the rear cover of the projector must be removed. See the con- cerning chapter to remove/install the rear cover. R59770141 GALAXY NH-12 20/02/2008...

  • Page 29: Removing The Folding Mirror Cover

    3. Slide the cover towards the rear side of the projector (see arrow 2 on the picture above) 4. Slide down the cover to remove the bottom feet from their slots (see arrow 3 on the picture above) R59770141 GALAXY NH-12 20/02/2008...

  • Page 30: Installing The Folding Mirror Cover

    Engine fan cover Overview • Description of the engine fan covers • Removing engine fan cover 1 • Installing the engine fan cover 1 • Removing engine fan cover 2 • Installing the engine fan cover 2 R59770141 GALAXY NH-12 20/02/2008...

  • Page 31: Description Of The Engine Fan Covers

    Image 4-39 Engine fan cover 1: fixing screws 2. Unscrew the indicated screws a few revolutions Tip: Unscrew these screws that much that the engine fan cover 1 can pass while lifting it in the next step! R59770141 GALAXY NH-12 20/02/2008...

  • Page 32: Installing The Engine Fan Cover 1

    How to install the engine fan cover 1? 1. Make sure the engine fan cover 2 is installed 2. Put the engine fan cover 1 in its correct location Image 4-42 Engine fan cover 1: installing 3. Tighten the indicated screws (3x) R59770141 GALAXY NH-12 20/02/2008...

  • Page 33: Removing Engine Fan Cover 2

    To make it possible to remove or install the engine fan cover 2, make sure the engine fan cover 1 has been removed first! Necessary tools Torx screwdriver T20 How to remove the engine fan cover 2? 1. Remove the four fixing screws Image 4-45 Engine fan cover 2: fixing screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 34: Installing The Engine Fan Cover 2

    How to install the engine fan cover 2? 1. Put the engine fan cover 2 in its correct position 2. Fix the engine fan cover 2 using four fixing screws Image 4-46 Engine fan cover 2: fixing screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 35: Software

    In the appearing window, the projector software version is mentioned. 5.1.3 Upgrading the projector software Upgrade tool The name of the upgrade tool is according to this format: iCon NH- 12 v00.10.0001.exe device version Image 5-1 Upgrade tool Two main parts can be seen: R59770141 GALAXY NH-12 20/02/2008...
  • Page 36 How to upgrade the projector? 1. Download the latest projector software version from the PartnerZone or from the Barco intranet 2. Save this upgrade file on a computer which can be connected to the same (local) network as the projector 3.
  • Page 37 Note: In case of problems during the upgrade procedure, the following two buttons can be used for diagnostics: Save text will save the text inside the Barco Networked Projector Upgrade Tool in a file Screen shot will save a screen shot of the projected image at that particular time.

  • Page 38: Desktop Integration Software

    1. On your computer, select START on the task bar 2. In the appearing window, select Control Panel 3. Select Add or Remove Programs in the appearing window 4. Scroll to the Barco program to see the version displayed. 5.2.3 Upgrading the Desktop Integration Software...

  • Page 39: Projector Layout

    Image 6-1 Board location: view 1 Local keypad and IR receiver Engine controller Formatter board Motor connector board View 2 Image 6-2 Board location: view 2 Preformatter Local keypad and IR receiver Power box X-fan supply R59770141 GALAXY NH-12 20/02/2008...

  • Page 40: Component Location

    Input module (the input module can look different according to the type of the projector) Desktop input Component location View 1 Image 6-4 Component location: view 1 Engine fan cover 1 Engine fan cover 2 Fan outlet Lamp Cold mirror (assembly) Engine controller frame assembly Engine Cooling liquid reservoir R59770141 GALAXY NH-12 20/02/2008...
  • Page 41 Lamp power supply (LPS) Fan X-fan supply Fan top LPS Fan LPS vertical (fan unit 1) Fan engine top and bottom (fan unit 2) Optical array Light pipe Engine 10. Lens holder 11. Input module 12. Fan PMP R59770141 GALAXY NH-12 20/02/2008...
  • Page 42 6. Projector layout R59770141 GALAXY NH-12 20/02/2008...

  • Page 43: Electronic Parts And Servicing Procedures

    The mains switch is used to switch on and switch off the projector. Image 7-1 Mains switch Necessary tools Torx screwdriver T10 How to replace the mains switch? 1. Unscrew the right front foot of the projector (or remove it completely) R59770141 GALAXY NH-12 20/02/2008...
  • Page 44 6. Push both clamps to release the mains switch and slide it out Image 7-4 Image 7-5 Mains switch: clamps Mains switch: slide out to remove Installing the new mains switch: follow the procedure above in reverse order. R59770141 GALAXY NH-12 20/02/2008...

  • Page 45: Mains Filter

    2. At the bottom of the projector, remove the three screws fixing the mains input assembly (see picture above) 3. Unplug the wires 4. Take out the mains input assembly 5. Unplug the connectors of the mains filter 3 connectors on one side 2 connectors on the other side R59770141 GALAXY NH-12 20/02/2008...

  • Page 46: Mains Pulse Filter

    When installing a mains filter, make sure that the grounding connector (= 3 pin) points to the inside of the mains input assembly. 7.1.3 Mains pulse filter Description The mains pulse filter reduces or removes harmful pulses coming from the mains power. Image 7-10 Mains pulse filter R59770141 GALAXY NH-12 20/02/2008...
  • Page 47 3. Unplug the wires 4. Take out the mains input assembly 5. Unplug the connectors Image 7-12 Mains pulse filter: connectors 6. Remove the fixing screws Image 7-13 Mains pulse filter: fixing screws 7. Remove the mains pulse filter R59770141 GALAXY NH-12 20/02/2008...

  • Page 48: Mains Fuses

    4. Close the fuse holder, using a slotted screwdriver. Universal 12V power box Overview • Description of the power box • Diagnostics of the power box • Removing the power box • Installing the power box R59770141 GALAXY NH-12 20/02/2008...

  • Page 49: Description Of The Power Box

    Since this power box is a universal unit, not all of the connectors are used in this projector. The following voltages are generated: • ++12V standby voltage • +12V for active projector state • 380VM for the lamp R59770141 GALAXY NH-12 20/02/2008...
  • Page 50 The power box consists of three boards that are communicating through board to board connectors. For safety reasons, insulating plates have been mounted between the boards and on top of the SMPS: these plates must always be present! The three boards are: R59770141 GALAXY NH-12 20/02/2008...
  • Page 51 0..4 +12V / ++12V to the PMP, X-fan supply, preformatter, desktop input JTAG + communication X-fan supply I2C: communication with PMP pulse counters from fans 0..7 pulse counters from fans 8..15 R59770141 GALAXY NH-12 20/02/2008...

  • Page 52: Diagnostics Of The Power Box

    The way to remove the power box is to first remove the assembly {power box — X-fan supply — fan X-fan} as a unit and then to remove the {X-fan supply — fan X-fan}. 1. Remove the covers (see concerning chapters) : R59770141 GALAXY NH-12 20/02/2008...
  • Page 53 20 to the lens shift board 5. Lift the unit (power bow + X-fan supply + fan) to remove it Image 7-25 Power box: lift to remove 6. Remove the four screws fixing the X-fan cover plate R59770141 GALAXY NH-12 20/02/2008...
  • Page 54 10.Remove the four spacer bolts and two screws fixing the X-fan supply to the power box Image 7-28 X-fan supply: fixing screws 11. Remove the X-fan supply from the power box 12.Remove the six spacer bolts from the power box R59770141 GALAXY NH-12 20/02/2008...

  • Page 55: Installing The Power Box

    Power box: spacer bolts 2. Fix the X-fan supply on top of the power box using two screws and four spacer bolts Image 7-32 X-fan supply: fixing screws 3. Make the connections between power box and X-fan supply R59770141 GALAXY NH-12 20/02/2008...
  • Page 56 J513 to the fan bottom lamp house J730 to the ambient temperature and pressure sensor J740 to the ambient temperature and pressure sensor 9. Fix the power box to the projector using two screws and a spacer bolt R59770141 GALAXY NH-12 20/02/2008...

  • Page 57: X-Fan Supply

    The X-fan supply is an extension of the power box, mainly used to power and control the fan LPS vertical, the fan engine top, the fan engine bottom and the Peltier elements. Next to this functionality, the X-fan supply acts as an interconnection between the power box and the small fans. R59770141 GALAXY NH-12 20/02/2008...

  • Page 58: Removing The X-Fan Supply

    X-fan supply can be removed from the power box without taking the assembly out of the projector! The way to remove the X-fan supply is exactly the same in both cases. How to remove the X-fan supply? 1. Remove the covers (see concerning chapters): R59770141 GALAXY NH-12 20/02/2008...
  • Page 59 J740 to the ambient temperature and pressure sensor 6. Remove the four spacer bolts and two screws fixing the X-fan supply to the power box Image 7-38 X-fan supply: fixing screws 7. Remove the X-fan supply by lifting it R59770141 GALAXY NH-12 20/02/2008...

  • Page 60: Installing The X-Fan Supply

    J513 to the fan bottom lamp house J730 to the ambient temperature and pressure sensor J740 to the ambient temperature and pressure sensor 3. Put the X-fan cover plate on top of the X-fan supply and fix it using four screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 61: Lamp Info Receiver

    3. Unplug the connectors 4. Remove both screws fixing the lamp info receiver assembly Image 7-41 Lamp info receiver: fixing screws 5. Remove the lamp info receiver unit 6. Remove both screws fixing the guiding pin plate R59770141 GALAXY NH-12 20/02/2008...
  • Page 62 Lamp info receiver: fixing nuts and spacers 9. Slide off the lamp info receiver 10.Put the new lamp info receiver in the correct position 11. Fix it to the lamp info receiver frame using two nuts R59770141 GALAXY NH-12 20/02/2008...
  • Page 63 14.Fix the lamp info receiver assembly to the bottom of the projector using two screws Image 7-47 Lamp info receiver: fixing screws 15.Plug in the connector 16.Install the lamp (see concerning chapter) 17.Install the rear cover (see concerning chapter) R59770141 GALAXY NH-12 20/02/2008...

  • Page 64: Lamp Power Supply (Lps)

    The LFR sensor measures the lamp flicker and provides a signal for the light feedback board, which is part of the LPS assembly. This signal is used to reduce the lamp flicker. In case of failure the LPS assembly is replaced as a unit. Image 7-48 LPS: lamp power supply R59770141 GALAXY NH-12 20/02/2008...

  • Page 65: Removing The Lps

    M6 to disconnect the wires to the lamp and to the SPG unplug both wires coming from the mains power unplug both wires coming from the engine controller (LFR + I2C) 4. Remove three fixing screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 66: Installing The Lps

    4. Install the lamp power cover (see concerning chapter) 5. Install the fan outlet (see concerning chapter) 6. Install the covers (see concerning chapters): top cover rear cover 7.5.4 Replacing the Light feedback board Necessary tools Trox screwdriver T10 R59770141 GALAXY NH-12 20/02/2008...
  • Page 67 4. Disconnect the wires on the light feedback board J1: to LPS J2: to sensor J3: to LPS Image 7-54 Light feedback board: connectors 5. Remove the fixing screws of the light feedback board to take it off. R59770141 GALAXY NH-12 20/02/2008...
  • Page 68 2. Connect the wires on the light feedback board J1: to LPS J2: to sensor J3: to LPS Image 7-57 Light feedback board: connectors 3. Gently flip back the cover of the light feedback board and fix it using two screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 69: Start Pulse Generator (Spg)

    LPS voltage drops to 25V again and the SPG stops its activity. If, after three attempts, the lamp is still not on, the projector switches back to standby mode. Image 7-59 SPG: start pulse generator R59770141 GALAXY NH-12 20/02/2008...

  • Page 70: Diagnostics Of The Spg

    4. Remove the four screws fixing the lamp power cover Image 7-60 Lamp power cover: fixing screws 5. Remove the lamp power cover 6. Disconnect the lamp power cables on the LPS by removing the nuts R59770141 GALAXY NH-12 20/02/2008...

  • Page 71: Installing The Spg

    Nut spanner 10 mm • Allen key 4 mm How to install the SPG? 1. Guide the power cables underneath the lamp to the LPS 2. Put in the SPG in its housing and push it into its sockets R59770141 GALAXY NH-12 20/02/2008...
  • Page 72 Image 7-64 SPG: fixing screws and spacers 4. Connect the power cables to the LPS using the fixing nuts Image 7-65 LPS: power cables 5. Install the lamp power cover and fix it using four screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 73: Input Module

    5 (= top layer): free optional layer LVDS interface analog input layer DVI / D15 input layer stereo input>output output and comm. layer Image 7-67 Input module You can find the description of each of these boards in the concerning chapters. R59770141 GALAXY NH-12 20/02/2008...

  • Page 74: Removing The Input Module

    4. Remove the screw fixing the three grounding wires 5. Flip over the preformatter unit Unplug the other connectors on the preformatter unit and remove the unit 6. Remove both fixing screws on the front panel of the input module R59770141 GALAXY NH-12 20/02/2008...

  • Page 75: Installing The Input Module

    J2 and J3 on the LVDS interface (which is mounted on the PMP): data from connectors J200 and J300 on the desktop input Lower the input module until it is in its final position and fix it using three fixing screws R59770141 GALAXY NH-12 20/02/2008...
  • Page 76 5. Use one screw to fix the three grounding wires to the preformatter 6. Fix the preformatter unit to the input module using four screws Image 7-73 Preformatter unit: fixing screws 7. Install the covers (see concerning chapters): engine fan cover 1 top cover rear cover R59770141 GALAXY NH-12 20/02/2008...

  • Page 77: Construction Of The Input Module

    7.7.4.1.2 Removing the analog input layer Necessary tools Torx screwdriver T10 How to remove the analog input layer? 1. Remove the input module (see considering chapter) 2. Remove the front screws of the analog input layer R59770141 GALAXY NH-12 20/02/2008...

  • Page 78: Installing The Analog Input Layer

    Analog input layer: unplug the board-to-board connectors to remove 7.7.4.1.3 Installing the analog input layer Necessary tools Torx screwdriver T10 How to install the analog input layer? 1. Make the board-to-board connection between analog input layer and PMP R59770141 GALAXY NH-12 20/02/2008...

  • Page 79: Dvi / D15 Input Layer

    4. Install the input module (see concerning chapter) 7.7.4.2 DVI / D15 input layer Overview • Description of the DVI / D15 input layer • Removing the DVI / D15 input layer • Installing the DVI / D15 input layer R59770141 GALAXY NH-12 20/02/2008...

  • Page 80: Description Of The Dvi / D15 Input Layer

    2. Remove the front nuts of the DVI / D15 input layer Image 7-82 DVI / D15 input layer: front screws 3. Remove the side screw, fixing the DVI / D15 input layer to the PMP R59770141 GALAXY NH-12 20/02/2008...

  • Page 81: Installing The Dvi / D15 Input Layer

    1. Make the board-to-board connection between DVI / D15 input layer and PMP Image 7-85 DVI / D15 input layer: plug in the board-to-board connectors 2. Fix the DVI / D15 input layer to the PMP using a screw R59770141 GALAXY NH-12 20/02/2008...

  • Page 82: Output And Communication Layer

    DVI output: image as it leaves the PIP on the PMP. Not enabled in case of stereo Monitors connected to the DVI output may show a bad image if Full screen representation is ON in the OSD (see User’s Guide for details on how to toggle between ON and OFF) R59770141 GALAXY NH-12 20/02/2008...

  • Page 83: Removing The Output And Communication Layer

    2. Remove the front nuts of the output and communication input layer Image 7-89 output and communication input layer: front screws 3. Remove the side screw, fixing the output and communication input layer to the PMP R59770141 GALAXY NH-12 20/02/2008...

  • Page 84: Installing The Output And Communication Layer

    1. Make the board-to-board connection between output and communication input layer and PMP Image 7-92 output and communication input layer: plug in the board-to-board connectors 2. Fix the output and communication input layer to the PMP using a screw R59770141 GALAXY NH-12 20/02/2008...

  • Page 85: Stereo Input/Output Layer

    BNC connector: acts as both input or output of the stereo sync. The sync is sent out to the emitter or to another projector or is received from another projector. The EID is used by the PIP FPGA on the PMP to detect the presence of this stereo input/output board. R59770141 GALAXY NH-12 20/02/2008...

  • Page 86: Removing The Stereo Input/Output Layer

    Removing the stereo input/output layer Necessary tools Torx screwdriver T10 How to remove the stereo input/output input layer? 1. Remove the input module (see considering chapter) 2. Remove the front screw of the stereo input/output input layer R59770141 GALAXY NH-12 20/02/2008...

  • Page 87: Installing The Stereo Input/Output Layer

    7.7.4.4.3 Installing the stereo input/output layer Necessary tools Torx screwdriver T10 How to install the stereo input/output input layer? 1. Make the board-to-board connection between stereo input/output input layer and PMP R59770141 GALAXY NH-12 20/02/2008...

  • Page 88: Optional Input Layer

    Image 7-102 stereo input/output input layer: front screws 4. Install the input module (see concerning chapter) 7.7.4.5 Optional input layer Overview • Optional input layer • Removing the optional input layer • Installing the optional input layer R59770141 GALAXY NH-12 20/02/2008...

  • Page 89: Optional Input Layer

    Torx screwdriver T10 How to install the optional input layer? 1. Remove the covers (see concerning chapters) rear cover front cover 2. If there is a blank cover plate present, remove it by unscrewing both fixing screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 90: Desktop Input Board

    This board also receives information from the PMP and sends it to the LCD panel to be displayed. The desktop input board is mounted inside the desktop input unit, which also includes the LCD module. Picture Image 7-105 Desktop input unit R59770141 GALAXY NH-12 20/02/2008...

  • Page 91: Removing The Desktop Input Board

    Desktop input unit (rear view) 5. Disconnect the LCD module from the desktop input: J300: data to the LCD module J301: backlight to the LCD module 6. Remove the screws and bolts fixing the desktop input board to the unit R59770141 GALAXY NH-12 20/02/2008...

  • Page 92: Installing The Desktop Input Board

    J360: power supply from connector 6 on the power box J200 and J201: data going to J2 and J3 on the LVDS interface 4. Push in the desktop input unit completely 5. Fix the desktop input unit to the front of the projector R59770141 GALAXY NH-12 20/02/2008...

  • Page 93: Lcd Module

    3. Remove the screws fixing the LCD module to the desktop input module Image 7-111 LCD module: fixing screws 4. Remove the LCD module How to install the LCD module? 1. Put the LCD module in the correct position and fix it using four screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 94: Lvds Interface

    Torx screwdriver T10 How to remove the LVDS interface? 1. Remove the covers (see concerning chapters): rear cover top cover engine fan cover 1 2. Remove the four screws fixing the preformatter unit to the input module R59770141 GALAXY NH-12 20/02/2008...
  • Page 95 7. Remove the LVDS interface by unplugging the board-to-board connector Image 7-115 LVDS interface: removing Note: In this picture the input module has been removed but this is not needed to remove the LVDS interface. 8. Unplug the connectors: R59770141 GALAXY NH-12 20/02/2008...

  • Page 96: Installing The Lvds Interface

    J11on the preformatter: power supply from the power box J410 on the PMP: commands from the local keypad J13 on the PMP: commands from the IR receiver 6. Fix the preformatter unit to the input module using four screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 97: Pixel Map Processor (Pmp)

    The data is converted into LVDS before it is send to the preformatter board. Next to this video processing, we have a processor to manage control of the projector. Image 7-119 Image 7-120 PMP: front side PMP: rear side R59770141 GALAXY NH-12 20/02/2008...

  • Page 98: Diagnostics Of The Pmp

    7.11.2 Diagnostics of the PMP LED diagnostics 9 10 Image 7-122 Image 7-123 PMP: diagnostic LEDs (rear side) PMP: diagnostic LEDs (front side) number LED ID color description PIP not configured WARP not configured CYCLONE not configured R59770141 GALAXY NH-12 20/02/2008...

  • Page 99: Removing The Pmp

    PMP: front fixing screws 3. Remove the side screws fixing the input boards to the PMP Image 7-125 PMP: side screws fixing the input boards 4. Disconnect the PMP from the inputs by unplugging the board-to-board connectors R59770141 GALAXY NH-12 20/02/2008...

  • Page 100: Installing The Pmp

    PMP fan assembly: fixing screws (1) PMP fan assembly: fixing screws (2) 7.11.4 Installing the PMP Necessary tools Torx screwdriver T10 How to install the PMP? 1. Put the PMP fan assembly on the PMP and fix it using 6 screws R59770141 GALAXY NH-12 20/02/2008...
  • Page 101 PMP: fixing screws of the LVDS interface 3. Connect the PMP to the inputs by plugging in the board-to-board connectors Image 7-133 PMP: plug into the input board connectors 4. Fix the PMP to the input boards using the side screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 102: Engine Controller

    7.12.1 Description of the engine controller Description The engine controller includes several functions: • interconnection of power and control signals fans cooling pump • infitec wheel: power and control • emergency lamp switch off (hardware switch off) R59770141 GALAXY NH-12 20/02/2008...

  • Page 103: Removing The Engine Controller

    7.12.2 Removing the engine controller Necessary tools Torx screwdriver T10 How to remove the engine controller? 1. Remove the covers (see concerning chapters): rear cover top cover engine fan cover 1 2. Unplug the connectors: R59770141 GALAXY NH-12 20/02/2008...

  • Page 104: Installing The Engine Controller

    4. Remove the engine controller 7.12.3 Installing the engine controller Necessary tools Torx screwdriver T10 How to install the engine controller? 1. Put the engine controller in the correct position 2. Fix it using the fixing screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 105: Preformatter

    Furthermore the data, control and power signals are split into signals for the Red Formatter, signals for the Green Formatter and signals for the Blue Formatter. There is also a conversion between I2C (Barco) and RS232 (Texas Instruments) on the preformatter. R59770141 GALAXY NH-12 20/02/2008...

  • Page 106: Diagnostics Of The Preformatter

    finished succesfully, the POWER GOOD OUT is activated and the Texas Instruments FPGAs are getting configured. 7.13.2 Diagnostics of the preformatter Measuring voltages The following voltages can be checked on the formatter board: • mains power supply: +12V • derived voltages: 3.3V — 2.5V — 1.8V — 1.2V R59770141 GALAXY NH-12 20/02/2008...

  • Page 107: Removing The Preformatter

    Boot configuration of Xilinx FPGA was succesful couldn’t load Normal nor Boot configuration of Xilinx FPGA 7.13.3 Removing the preformatter Necessary tools Torx screwdriver T10 How to remove the preformatter? 1. Remove the covers (see concerning chapters): R59770141 GALAXY NH-12 20/02/2008...
  • Page 108 4. Remove the screw fixing the three grounding wires 5. Remove the preformatter unit Image 7-145 Image 7-146 Formatter unit: top view Formatter unit: rear view 6. Remove the eight screws fixing the preformatter to the preformatter unit R59770141 GALAXY NH-12 20/02/2008...

  • Page 109: Installing The Preformatter

    J3 and J4: data to the green formatter J1 and J2: data to the red formatter 5. Use a screw to fix the three grounding wires 6. Fix the preformatter unit to the input module using the four screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 110: Formatter

    There are three formatters: one for the RED channel, one for the GREEN channel and one for the BLUE channel. The layout of the green and the blue formatter is equal! The layout of the red formatter is different. Image 7-150 Image 7-151 Formatter: layout of blue and green channel Formatter: layout of red channel R59770141 GALAXY NH-12 20/02/2008...
  • Page 111 How to replace the formatters? 1. Replace the engine (see considering chapter) Caution: The formatters are a fixed part of the engine and may not be replaced seperately! Replacing them separately in the field would lead to major convergence problems. R59770141 GALAXY NH-12 20/02/2008...

  • Page 112: Motor Connector Board

    4. Remove the motor connector board How to install the motor connector board? 1. Put the motor connector board in the correct position 2. Fix the motor connector board to the lens holder using two screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 113: Lens Shift Safety Switch

    Only shifting the lens in the other direction is possible at that point. Image 7-160 Lens shift safety switch R59770141 GALAXY NH-12 20/02/2008...

  • Page 114: Front Ir Receiver

    2. Remove the screws fixing the wire protection plate to the bottom of the projector Image 7-161 Wire protection plate: fixing screws 3. Lift the plate and disconnect the front IR receiver 4. Remove both screws fixing the front IR receiver R59770141 GALAXY NH-12 20/02/2008...

  • Page 115: Local Keypad / Ir Receiver

    8. Install the cover (see concerning chapters): front cover rear cover 7.18 Local keypad / IR receiver Description of the local keypad / IR receiver The projector can be controlled by serial commands, by a remote control or using the local keypad. R59770141 GALAXY NH-12 20/02/2008...
  • Page 116 5. Remove the local keypad and IR receiver How to install the local keypad / IR receiver? 1. Put the local keypad and IR receiver on its frame 2. Fix the local keypad and IR receiver board to its frame using six screws R59770141 GALAXY NH-12 20/02/2008...

  • Page 117: Lamp Temperature Sensor

    How to install the lamp temperature sensor? 1. to be implemented 7.20 Ambient temperature and pressure sensor Necessary tools Torx screwdriver T10 How to remove the ambient temperature and pressure sensor? 1. Remove the covers (see concerning chapters): rear cover front cover R59770141 GALAXY NH-12 20/02/2008...
  • Page 118 2. Fix the temperature and pressure sensor using two screws Image 7-171 Ambient temperature and pressure switch: fixing screws 3. Plug in the connector on the temperature and pressure sensor 4. Install the covers (see concerning chapters): rear cover front cover R59770141 GALAXY NH-12 20/02/2008...

  • Page 119: Clo / Lfr Sensor

    CLO / LFR sensor: fixing screws 4. Slide out the CLO / LFR sensor How to install the CLO / LFR sensor? 1. Slide in the CLO /LFR sensor 2. Fix the CLO / LFR sensor using both fixing screws R59770141 GALAXY NH-12 20/02/2008...
  • Page 120 Note: Make sure to remove the correct screws only! Image 7-174 CLO / LFR sensor: location of the fixing screws 3. Plug in the connector 4. Install the covers (see concerning chapters): folding mirror cover top cover rear cover R59770141 GALAXY NH-12 20/02/2008...

  • Page 121: Optical Parts And Servicing Procedures

    2: UV filter (fixed to the lamp house) 3: cold mirror 4: infitec wheel 5: optical relay 1 6: integrating rod 7: optical relay 2 8: folding mirror 9: prism 10: DMD 11: projector lens Image 8-1 Optical path: schematic overview R59770141 GALAXY NH-12 20/02/2008...

  • Page 122: Lamp

    The content of the flash memory is also updated during refurbishment.. Picture Image 8-2 Lamp (Xenon lamp) 8.2.2 Removing the lamp Necessary tools Slotted screwdriver 4 mm or 6 mm R59770141 GALAXY NH-12 20/02/2008...
  • Page 123 Use the handle at the rear side of the lamp. Image 8-4 Lamp: removing 5. Lift the lamp to remove it Tip: Use the handle at the top side of the lamp. Image 8-5 Image 8-6 Lamp: removing Lamp: removed R59770141 GALAXY NH-12 20/02/2008...

  • Page 124: Installing The Lamp

    2. Push the lamp down until it is at the bottom of the projector Image 8-9 Lamp: installation 3. Slide the lamp to the right side of the projector (= towards the connector) Image 8-10 Lamp: installation 4. Firmly push the lamp to plug in the connectors R59770141 GALAXY NH-12 20/02/2008...

  • Page 125: Cold Mirror

    The cold mirror has a multiple function: • it acts as a folding mirror • it filters the IR light out of the light beam and only reflects the other wavelengths Picture Image 8-12 Cold mirror R59770141 GALAXY NH-12 20/02/2008...

  • Page 126: Removing The Cold Mirror

    Never touch the mirror with your fingers! 2. Use three screws to fix it to the projector Image 8-14 Cold mirror: fixing screws 3. Adjust the cold mirror (see concerning chapter) 4. Install the rear cover (see concerning chapter) R59770141 GALAXY NH-12 20/02/2008...

  • Page 127: Infitec Wheel Assembly

    Note: Do not remove the spacer bolt completely: it is not needed and the spacer would fall off! Image 8-15 Infitec filter wheel assembly: spacer bolt 4. Remove the fixing screw, while holding the Infitec filter wheel assembly R59770141 GALAXY NH-12 20/02/2008...

  • Page 128: Installing The Infitec Wheel Assembly

    1. Put the Infitec filter wheel assembly in its correct location Image 8-18 Infitec filter wheel assembly: installing Note: Make sure that the spacer is located behind the assembly! 2. Use the fixing screwto fix the Infitec filter wheel assembly R59770141 GALAXY NH-12 20/02/2008...

  • Page 129: Infitec Filter

    The difference between both Infitec filters is clearly indicated by its respective colors: one will be reddish, the other one greenish. The Infitec filter can be moved into the light path or it can be moved out through the OSD commands. THIS OPTION IS NOT AVAILABLE YET! R59770141 GALAXY NH-12 20/02/2008...

  • Page 130: Optical Relay

    1. Remove the covers (see concerning chapters): rear cover top cover engine fan cover 1 2. Remove the engine controller frame assembly (see concerning chapter) 3. Remove the back screw fixing the optical relay Note: Make sure not to drop the washer! R59770141 GALAXY NH-12 20/02/2008...
  • Page 131 Optical relay: fixing screws (2) 5. Gently lift the optical relay to remove it How to install the optical relay? 1. Gently put the optical relay in its position 2. Insert both screws fixing the side of the optical relay R59770141 GALAXY NH-12 20/02/2008...

  • Page 132: Light Pipe

    4. Install the engine controller frame assembly (see concerning chapter) 5. Install the covers (see concerning chapters): engine fan cover 1 top cover rear cover Light pipe Overview • Description of the light pipe • Removing the light pipe • Installing the light pipe R59770141 GALAXY NH-12 20/02/2008...

  • Page 133: Description Of The Light Pipe

    1 2. Remove the engine controller frame assembly (see concerning chapter) 3. Remove the optical array (see concerning chapter) 4. Remove both bolts and the screw as indicated on the pictures below R59770141 GALAXY NH-12 20/02/2008...

  • Page 134: Installing The Light Pipe

    5. Gently slide out the light pipe to remove it. See image 8-31 8.7.3 Installing the light pipe Necessary tools • Torx screwdriver T10 • Phillips screwdriver Ph1 How to install the light pipe? 1. Gently slide in the light pipe into the engine R59770141 GALAXY NH-12 20/02/2008...
  • Page 135 Light pipe: fixing bolts Note: Mind the springs and spacers when screwing in these bolts! Image 8-35 Light pipe: fixing bolt detail (exploded view) 3. Fix the pipe using the screw as indicated on the drawings below R59770141 GALAXY NH-12 20/02/2008...

  • Page 136: Engine

    DMD’s. Next, this prism merges the processed light beams into one full color video image, which is projected via the projector lens onto the screen • cooling circuit: keeps the temperature of the engine within its limits R59770141 GALAXY NH-12 20/02/2008...

  • Page 137: Removing The Engine

    Screws fixing the engine to the lens holder Note: In the drawing above, the lens holder has been lifted for visibility. In reality, the lens holder can stay in the projector. 6. Remove both screws fixing the engine to the projector frame R59770141 GALAXY NH-12 20/02/2008...
  • Page 138 2 signal cables going to the green formatter 2 signal cables going to the blue formatter 3 power cables 1 cable to the green formatter 1 cable to the red formatter 1 cable to the blue formatter R59770141 GALAXY NH-12 20/02/2008...

  • Page 139: Installing The Engine

    1. Gently put the engine in the projector and align it using the alignment pins located next to the fixing screws Image 8-44 Engine: alignment pin 1 Note: Alignment pin 2 is located next to fixing screw 2. 2. Fix the engine to the projector using two screws R59770141 GALAXY NH-12 20/02/2008...
  • Page 140 2 signal cables going to the green formatter 2 signal cables going to the blue formatter 3 power cables 1 cable to the green formatter 1 cable to the red formatter 1 cable to the blue formatter R59770141 GALAXY NH-12 20/02/2008...
  • Page 141 8. Install fan unit 1(= fan LPS vertical) (see concerning chapter) 9. Install the engine controller frame assembly (see concerning chapter) 10.Install the covers (see concerning chapter): engine fan cover 2 engine fan cover 1 top cover rear cover R59770141 GALAXY NH-12 20/02/2008...
  • Page 142 8. Optical parts and servicing procedures R59770141 GALAXY NH-12 20/02/2008...

  • Page 143: Mechanical Parts And Servicing Procedures

    flange the horizontal lens shift motor support is fixed to this fixation plate (2 screws) the lens connector is fixed to this X-plate — the connector can be slightly moved!! R59770141 GALAXY NH-12 20/02/2008...
  • Page 144 9. Mechanical parts and servicing procedures Pictures Image 9-1 Image 9-2 Lensholder Lens holder: base plate Image 9-3 Image 9-4 Lens holder: fixation plate Lens holder: Y-plate R59770141 GALAXY NH-12 20/02/2008...

  • Page 145: Removing The Lens Holder

    2 folding mirror cover 2. Remove both screws fixing the lens holder to the inside frame Image 9-6 Lens holder: fixing screws (1) 3. Remove the screw fixing the lens holder to the outside frame R59770141 GALAXY NH-12 20/02/2008...
  • Page 146 9. Mechanical parts and servicing procedures...

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