InFocus LP630 Service Manual
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InFocus LP630 Service Manual

InFocus LP630 Service Manual

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Service Guide for the
LP630
010-0331-00

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Summary of Contents for InFocus LP630

  • Page 1 Service Guide for the LP630 010-0331-00...

  • Page 2: Safety Precaution

    SAFETY PRECAUTION WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions on this projector. The following are the necessary precautions to be observed before servicing this chassis. 1 . An isolation Transformer should be connected in the power line between the projector and the AC Iine before any service is performed on the projector.

  • Page 3: Table Of Contents

    Remove and Replace the Projection Lens................56 Remove and Replace the Bottom Case................57 Software ........................58 Download the software to your computer................58 Install the Software on the Computer..................60 Upgrade the software......................61 Functional Tests......................66 Required equipment......................66 Before beginning .........................67 Perform the following tests....................67 LP630 Service Manual...
  • Page 4 Keypad problems ........................75 Keypad problems ........................76 Menu problems ........................77 Remote problems........................78 Audio problems ........................79 Checking voltages on the controller ECA................80 Block diagram ........................81 Parts Lists........................82 FRUs by Numeric Listing ....................82 FRUs by Alphabetic Listing ....................84 Standard Accessories ......................86 LP630 Service Manual...

  • Page 5: Safety Precautions

    To prevent the unit from possible damage, do not use the unit for at least 2 hours when there is an extreme or sudden change in temperature. LP630 Service Manual...

  • Page 6: Important Safety Instructions

    This will prevent damage to the product the like . the point where they exit from the product. due to lightning and power-line surges. LP630 Service Manual...

  • Page 7: Parts Replacement

    Parts Replacement Replaceable Part Hierarchy The diagram below shows the disassembly order for the LP630 projector. Use this diagram to see which items you must remove to get to the desired FRU. This will help you determine the complexity of the repair.

  • Page 8: Remove And Replace The Lamp And Lamp Door

    Remove and Replace the Lamp and Lamp Door The lamp door (340-0931-xx) fastens to the outside of the top case, allowing easy access to the lamp when the projector is mounted on the ceiling. The lamp (SP-Lamp-LP630) fits in the lamp housing in the optical engine.
  • Page 9 Grasp the two handles on the lamp and pull it out of the lamp housing. LP630 Service Manual...

  • Page 10: Remove And Replace The Intake Filter

    Pull the filter out of its slot on the bottom case. To clean the filter, use a vacuum or compressed air to blow out dust on the filter element. Do not blow the filter while holding it close to the projector. LP630 Service Manual...

  • Page 11: Remove And Replace The Leveling Foot And Rubber Feet

    When you replace the foot, turn the shaft clockwise until it reaches the non-threaded area. Then start the threads on the lower portion of the shaft. Turn the foot until it is even with the bottom of the projector. LP630 Service Manual...
  • Page 12 Note that the rubber foot on the bottom case and the elevator are identical. Remove the black M3x10 Phillips screw that fastens the rubber foot to the bottom case or to the elevator shaft. When you replace the rubber foot, do not over tighten the screw. LP630 Service Manual...

  • Page 13: Remove And Replace The Top Case

    Turn the projector on its side. Then use a #1 Phillips screwdriver to remove the five 4x10 self- tapping screws from the recessed openings on the bottom case.. Place the projector on its bottom. Use a #1 Phillips screwdriver to remove the two black 3x8 screws from the rear of the projector. LP630 Service Manual...
  • Page 14 IR cables that to the top cover from the main controller ECA. Lift the tab on the ZIF connector holding the blue ribbon cable, then gently pull the ribbon cable from the connector. LP630 Service Manual...
  • Page 15 Unplug the interlock cable from its connector on the controller ECA. Assembly Notes: ♦ Before attaching the top case to the projector, make sure that all the cables are correctly seated and that there are no missing screws or rattling parts. LP630 Service Manual...

  • Page 16: Remove The Controller Eca

    Detach the red, green and blue LCD ribbon cables from their ZIF connectors. To do this, gently pry up the locks on the three ZIF connectors at the center of the controller ECA. Then gently pull the ribbons free of the connector. LP630 Service Manual...
  • Page 17 Take care when removing or reseating the ribbon cables. The hinges on the locks are extremely delicate and break easily. If you break a connector, you must replace the controller ECA. Use a #1 Phillips screwdriver to remove the seven M3x6 screws from the front of the controller ECA. LP630 Service Manual...
  • Page 18 Unplug the following cables from the controller ECA: NOTE To unplug the controller/power supply connector, you need to lift the corner of the controller ECA slightly so that the edge of the connector clears the lamp housing. LP630 Service Manual...
  • Page 19 Carefully rock the rear of the controller to unplug the interface ECA/controller ECA connector. The connector is located beneath the controller ECA near the center. As you lift the controller off of the projector, pull the rear IR cable out from beneath the speaker bracket. LP630 Service Manual...

  • Page 20: Install The Controller Eca

    Plug in the controller/power supply connector. The connector is located on the corner adjacent to the lamp housing. Align the controller ECA as show below. Then press it into place. When the controller is aligned properly, the interface/controller connector engages. Secure the controller to the projector with the seven M3x6 screws. LP630 Service Manual...
  • Page 21 Plug in and route all cables as shown below. The power supply side of the controller: LP630 Service Manual...
  • Page 22 The projection lens side of the controller: LP630 Service Manual...
  • Page 23 The front of the controller: LP630 Service Manual...
  • Page 24 See the illustration below. To close the latch, press the middle of the latch with your finger until it closes. CAUTION Take care when opening and closing the latches on the ZIF connectors. The latches are very delicate. LP630 Service Manual...

  • Page 25: Remove And Replace The Handle

    The handle (340-0912-00) is located on the projection lens side of the projector. It inserts into two slots in the bottom case. Remove the top case (see page 13). Lift the handle out of the bottom case. LP630 Service Manual...

  • Page 26: Remove And Replace The Exhaust Fan

    ECA. Lift the cable clip adjacent to the controller ECA to release the cables. Use a #1 Phillips screwdriver to remove the two 3x8 self-tapping screws that fasten the base of the fan to the bottom case. Then lift the fan out of the bottom case. LP630 Service Manual...
  • Page 27 If you are replacing only the exhaust fan, make sure the label in the center of the fan faces the duct. Make sure the cable emerges as it does in the illustration in step 4 above. ♦ When you replace the assembly, be sure you route the cables properly. See step 2 above for information. LP630 Service Manual...

  • Page 28: Remove And Replace The Keypad

    Once the keypad is separated from the top case, slide a flat head screwdriver beneath the edge of the keypad from the top. Carefully separate the keypad from the well in the top of the case. LP630 Service Manual...
  • Page 29 Lay the keypad into the recess in the top case and press to secure the keypad to the top case. ♦ Apply adhesive tape to the ribbon near the slot to ensure proper positioning of the cable. LP630 Service Manual...

  • Page 30: Remove And Replace The Safety Interlock Switch

    Make sure the switch is properly seated and that the switch arm is in the proper location so that it is actuated when the lamp door is in place. ♦ Attach the cable to the controller ECA when the top case is replaced. LP630 Service Manual...

  • Page 31: Remove And Replace The Lamp Door Latch

    Assembly Notes ♦ When you replace the latch you need to hold the spring down with a bladed screwdriver while you place the retainer over the spring and latch. LP630 Service Manual...
  • Page 32 The retainer has two tabs that fit into two slots in the top case. While holding the spring down, insert the tabs into the slots and lower the retainer into place. Hold the retainer down while you replace the screw. LP630 Service Manual...

  • Page 33: Remove And Replace The Front And Rear Ir Ecas

    Remove and Replace the Front and Rear IR ECAs There is one front and one rear IR ECA (Both: 510-1606-xx) in the LP630. One is located at the front of the projector in the center, adjacent to the lens. The other is fastened to the rear corner of the controller ECA.

  • Page 34: Remove And Replace The Optical Engine

    Top case (see page 13) Controller ECA (see page 16) Loosen the two captive screws that fasten the lamp to the lamp housing. Grasp the lift tabs and lift the lamp out of the projector. Set the lamp aside. LP630 Service Manual...
  • Page 35 Remove the two M3x8 self-tapping screws with captive washers that fasten the lamp power cable to the lamp housing. Lift the cable up and away from the lamp housing. Unplug the lamp sensor cable from the connector on the lamp housing. LP630 Service Manual...
  • Page 36 Use a Phillips screwdriver to remove the four M4x10 self-tapping screws that fasten the engine to the case bottom. Unwrap the black thermal switch cable from around the engine fan cables. Lift the optical engine out of the bottom case. Note that the engine fan cable is still attached to the projector. LP630 Service Manual...
  • Page 37 Make sure the engine seats properly. There are registration pins that fit into holes adjacent to the two outside screws. Once the pins are in the holes, the engine is properly seated. ♦ Make sure that you properly route all cables. See the illustrations above. LP630 Service Manual...

  • Page 38: Remove And Replace The I/O Assembly

    Place the assembly aside and go to the part you want to remove next. —Or— Follow the directions below to replace a rear bezel, speaker, or interface ECA. To replace the interface bracket, remove all the items from the bracket. Rear bezel ♦ Lift the bezel from the interface bracket. LP630 Service Manual...
  • Page 39 ♦ When you install a speaker, orient the speaker so that the cable is at the bottom of the speaker. See the illustration above. LP630 Service Manual...
  • Page 40 Remove the three black M3x8 Phillips screws that fasten the interface ECA to the interface bracket from the bezel side. ♦ Remove the four M3x8 Phillips screws that fasten the ECA to the bracket from the ECA side. LP630 Service Manual...

  • Page 41: Removing And Replacing The Ballast

    Remove the three M3x8 self-tapping Phillips screws that fasten the ballast to the bottom case. Remove the one M3x6 machine screw that attaches the ballast to the power supply. Make sure you set aside the cable clips on the top and front screws. LP630 Service Manual...
  • Page 42 Lift the ballast from the bottom case. Unplug the cable that connects the ballast to the power supply. LP630 Service Manual...
  • Page 43 ♦ Make sure you replace the cable retainers on the front screw and the machine screw on the top of the power supply. ♦ Route the lamp cable under the cable retainer on the front screw. LP630 Service Manual...

  • Page 44: Remove And Replace The Elevator

    Intake duct (see page 50) Adjust the elevator shaft to its fully extended position. Remove the Phillips screw in the bottom of the rubber foot. Remove the three M3x8 self-tapping Phillips screws that fasten the elevator to the bottom case. LP630 Service Manual...
  • Page 45 Push in the elevator button through the hole to clear the case bottom. Draw the elevator shaft through the hole in the bottom case to remove the elevator assembly. LP630 Service Manual...

  • Page 46: Remove And Replace The Power Supply

    Top case (see page 13) Controller ECA (see page 16) Interface assembly (see page 40) Optical engine (see page 34) Ballast (see page 41) Remove the three M3x8 self tapping Phillips screws that fasten the power supply to the bottom case. LP630 Service Manual...
  • Page 47 Remove the two screws that fasten the power connector ECA to the bottom case. Lift the edge of the ECA closest to the intake duct and slide the power connector out of its hole in the bottom case. Remove the screw that holds the heat sensor. LP630 Service Manual...
  • Page 48 Lift the power supply from the bottom case. LP630 Service Manual...
  • Page 49 When you install the power supply, make sure the registration pins in the bottom case fit into their matching holes on the power supply. ♦ When you fasten the heat sensor to the bottom case, make sure to route the cable next to the tabs in the bottom case. See step 4 above. LP630 Service Manual...

  • Page 50: Remove And Replace The Intake Duct And Intake Fans

    Top Case (see page 13) Controller ECA (see page 16) Optical Engine (see page 34) Remove the three M3x8 self-tapping Phillips screws that fasten the intake duct and fans to the bottom case. Lift the intake duct from the bottom case. LP630 Service Manual...
  • Page 51 Phillips screws that fasten the fan to the intake duct. Both fans are identical. Assembly Notes ♦ Carefully route the fan cables around the intake duct so that they are not pinched when the projector is reassembled. LP630 Service Manual...
  • Page 52 LP630 Service Manual...

  • Page 53: Remove And Replace The Lamp Fan

    Before removing the fan, note the cable routing. Assembly Notes ♦ Route the fan cable behind the power supply and between the power supply and the ballast to be in the correct position for connection to the controller ECA. LP630 Service Manual...

  • Page 54: Remove And Replace The Focus And Zoom Rings

    Use a #00 Phillips screwdriver to remove the three M1.7x4 black machine screws from the rear of the zoom ring Push back the zoom ring to reveal the three screws on the focus ring. Use a #00 Phillips screwdriver to remove the three M1.7x4 black machine screws. LP630 Service Manual...
  • Page 55 Remove the focus ring by pulling it forward over the end of the lens. Remove the zoom ring by pulling it forward over the end of the lens. Assembly Note ♦ Do not over tighten the screws when you install the zoom and focus ring. LP630 Service Manual...

  • Page 56: Remove And Replace The Projection Lens

    Gently pull the lens away from the optical engine. Assembly Notes: ♦ Replace the washers over the screw holes on the optical engine before mounting the lens ♦ Align the three holes in the lens flange with the pins on the optical engine. LP630 Service Manual...

  • Page 57: Remove And Replace The Bottom Case

    I/O assembly (see page 38) Ballast (see page 41) Power supply (see page 46) Optical engine (see page 34) Front and rear IR ECAs (see page 33) Intake duct and fans (see page 50) You are left with the bottom case LP630 Service Manual...

  • Page 58: Software

    When you click the Download Now button, the File Download dialog box appears. NOTE The illustrations below refer to version 1.0 of the LP630 system software. The version of the software you download may be different. In the File Download box, select Save This Program To Disk option, then click OK.
  • Page 59 The file downloads to your computer’s hard drive. Now you're ready to install the software on the computer. You can also transfer the file to a floppy disk to use on other computers. Go to installing the system software on the computer on page 60. LP630 Service Manual...

  • Page 60: Install The Software On The Computer

    In Windows Explorer, locate the .EXE file that contains the upgrade files. Double-click the file to extract the contents. The filename 630v10.exe means that this is version 1.0 of the system software for the LP630. The version number changes each time InFocus updates the software.

  • Page 61: Upgrade The Software

    Upgrade the software To upgrade the LP630 software, you need a null-modem cable, available at your local computer or electronics retailer. You also need to download the software (page 58) and install the software on your computer (page 60). These instructions use the original software version. Later versions of software may become available.
  • Page 62 In the Configuration dialog box, select the computer port to which the null-modem cable is connected. Then click OK. In the Flash32 dialog box, click the Select File button. The Open dialog box appears. Select the Rs_v150_V100.mhx file, then click OK. LP630 Service Manual...
  • Page 63 Flash32 dialog box, disconnect the power cord, and repeat this sequence. NOTE The progress bar will hold at 0% for 10 to 15 seconds the beginning of the download. This is normal. Do not cancel the download. LP630 Service Manual...
  • Page 64 Press the menu button on the keypad to display the projector menus. Then press the standby key until you select the status menu. Press the menu button again to display the status window The new software version appears n the Status window. LP630 Service Manual...
  • Page 65 HEX files version numbers. In the illustration above: 10 = boot code v1.0 13 = ROM code v1.3 10 = GUI code v1.0 13 = data configuration v1.3 10 = Splash screen version 1.0 LP630 Service Manual...

  • Page 66: Functional Tests

    Make sure the video player has an S-video Out port and cables. The player should also have a Composite video output port (RCA). InFocus strongly suggests you use a DVD player to test the video quality. DVD players reproduce colors better and project sharper images.

  • Page 67: Before Beginning

    Status menu. Check the software version. Verify the keys are not sticky. Navigate to the Display menu. Select Reset All. Press the Standby button on the Verify unit goes in and out of standby mode. keypad. LP630 Service Manual...
  • Page 68 Image #2: Color Ramp Project the Color Ramp image. Verify there are no missing parts of the ramp. Verify that the bars are not flashing. Verify that the transitions from light to dark are smooth and gradual. LP630 Service Manual...
  • Page 69 Verify that the image synchronizes. the Display menu, select Reset All. Power Down Verify unit is powered off before disconnecting cables. After all tests are complete turn the power off and disconnect all cables. Attach the lens cap. LP630 Service Manual...

  • Page 70: Troubleshooting

    1. Make sure source signal is compatible with projector. 2. Make sure cables to projector are good. 3. Do a "reset all" to get to factory default settings. 4. Reflash software to ensure that the software is not 'scrambled'. LP630 Service Manual...

  • Page 71: No Signs Of Power

    Does Replace power projector cord. power up? Does lamp door switch Replace the in top case sound power supply. good when (page 46) actuated? Replace lamp door interlock switch in top case. (page 30) LP630 Service Manual...

  • Page 72: Fans Run, No Lamp

    Replace voltages good? power supply (page 80) (page 46) Replace lamp enable controller ECA / voltages good? optical engine set (page 80) (pages 16 & 34) Replace ballast. (page 41) LP630 Service Manual...

  • Page 73: Projector Shuts Down

    The problem is almost always a power supply or controller ECA with a thermal breakdown problem. Replace the power supply and run projector long enough to know if that is the problem. (page 46) Is the problem solved? Replace the controller ECA. (page 16) LP630 Service Manual...

  • Page 74: Dim Image

    Substitute an known good lamp. (It must be a used lamp or the lamp counter will be reset to zero hours.) (page 8) Image Replace still lamp. dim? (page 8) Replace optical engine / controller ECA set. (pages 16 & 34) LP630 Service Manual...

  • Page 75: Any Image Problem

    (Missing, distorted, noisy, rolling, torn, frozen, repeated, shifted, ghosting, or alignment) Power supply voltages Replace good? power supply. (page 80) (page 46) Is it Replace optical engine / controller ECA video (page 34 & 16) only? Replace I/O ECA (page 40) LP630 Service Manual...

  • Page 76: Keypad Problems

    ECA. to key presses? to key presses? (page 28) (page 16) The controller ECA and optical engine must be replaced as a set. Replace the Replace the controller ECA keypad. (page 16) (page 28) LP630 Service Manual...

  • Page 77: Menu Problems

    Keypad problems. Remote problems. (page 78) (page 76) Flash or reflash the latest software into the projector. Does the menu appear? Replace the controller ECA / optical engine set. (pages 16 and 34) LP630 Service Manual...

  • Page 78: Remote Problems

    Replace the Does the batteries. remote work? Use a known good remote with the projector. Replace the Does the remote. remote work? Replace the controller ECA / optical engine set. (page 16 and 34) LP630 Service Manual...

  • Page 79: Audio Problems

    Audio problems Audio problem Substitute speaker. (page 39) Speaker Replace I/O ECA sound good? (page 38) Replace speaker. LP630 Service Manual...

  • Page 80: Checking Voltages On The Controller Eca

    (see page 13). Then remove the interlock switch (page 30) and plug the cable into its connector on the controller ECA. Tape or clamp the switch shut. You can power up the projector with the remote control. LP630 Service Manual...

  • Page 81: Block Diagram

    Block diagram LP630 Service Manual...

  • Page 82: Parts Lists

    Intake duct Does not include engine fans. 340-0915-xx Rear bezel Includes safety interlock switch, lamp door latch, 340-0930-00 Top case warning label, keypad and InFocus nameplate. 340-0931-00 Lamp door Not included with top case 340-0933-00 InFocus nameplate Included with top case...
  • Page 83 Intake fan Two intake fans fasten to the intake duct. 526-0104-00 Exhaust fan assembly Includes thermal lead 526-0105-00 Exhaust fan Fan only 526-0106-00 Keypad Includes ribbon cable. Part of top case. 802-0028-00 LP630 fastener kit SP-Lamp-LP630 Lamp LP630 Service Manual...

  • Page 84: Frus By Alphabetic Listing

    Lamp fuse cable 211-0175-xx Lens cap 321-0189-xx Logo plate 340-0933-xx Keypad 526-0106-xx Includes the keypad cable. Included with a new top case. Optical Engine and Controller ECA 525-0038-xx Includes projection lens Power Supply 520-0092-xx Projection Lens 306-0057-xx LP630 Service Manual...
  • Page 85 Safety interlock switch 215-0024-xx Speaker 232-0188-xx Speaker retainer 330-0773-xx One required for each speaker. Thermal Switch 232-0189-xx Top case 340-0930-xx Includes lamp door interlock switch, lamp cover latch, warning label and keypad Warning label 020-1226-xx Zoom ring 340-0908-xx LP630 Service Manual...

  • Page 86: Standard Accessories

    Remote 590-0399-xx Online User’s Guide CD-ROM 010-0282-xx Regional Power Cord Part Number North American Power Cord 210-0023-xx Australian Power Cord 210-0027-xx UK Power Cord 210-0028-xx European Power Cord 210-0029-xx Danish Power Cord 210-0030-xx Swiss Power Cord 210-0031-xx LP630 Service Manual...

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