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.
Important Precautions ....................5 Important Safety Instructions ..................6 Parts Replacement ......................7 What is the difference between the DP8000 and the DP8000HB? Replaceable Part Hierarchy Remove and Replace the Lamp Door and Lamp Module Remove and Replace the Dust Filter...
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Parts Lists........................91 Exploded View Legend FRUs by alphabetic listing Hardware Kit Contents Standard Accessories DP8000/8000HB Service Manual...
SAFETY PRECAUTIONS WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDETHE ENCLOSURE. DO NOT OPEN THE CABINET. REFER SERVICING TO QUALIRED PERSONNEL ONLY. CAUTION: Laser beam is emitted when the laser button of the remote control is pressed.
IMPORTANT SAFETY INSTRUCTIONS CAUTION: PLEASE READ AND OBSERVE 1. Read Owner's Manual 3. Source of Light ALLWARNINGS AND After unpacking this product, read the Do not look into the lens while the lamp INSTRUCTIONS GIVEN IN THIS owner's manual carefully, and follow all is on.
ECA separately rather than as a kit. From the outside, the DP8000 and DP8000HB are identical. You must refer to the serial number label on the bottom case to determine which model you are working on (see the table below). It is important that you do this because many internal parts differ between the models.
IR Window and IR ECA Optical Engine Lamp Housing Ballast Handle & Power Supply Handle Bracket Engine Blower Elevator Foot Lamp Blower Thermal Switch 92mm Lamp Fan Controller ECA Side Vent 60mm Power Supply Fan 80mm Engine Fan DP8000/8000HB Service Manual...
Remove and Replace the Lamp Door and Lamp Module The lamp door (4009073) is located on the bottom of the projector. It covers the lamp module (DP8000: SP-LAMP-001, DP8000HB: SP-LAMP-008). When the lamp door is shut properly, it closes an interlock switch, which allows the lamp to strike when the projector is powered up.
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1. Turn the projector on, then press Menu on the remote control or the keypad. 2. In the Basic menu, select Setup. 3. In the Setup menu, select Service. 4. In the Service menu, select Reset Lamp timer. DP8000/8000HB Service Manual...
Loosen the captive screw that fastens the dust filter to the bottom case. Do not remove the screw. Use a small bladed screwdriver to pry the edge of the dust filter away from the bottom case. Then pull the filter out of the bottom case. DP8000/8000HB Service Manual...
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To clean the dust filter use a vacuum on the ribbed side of the filter (shown below), or blow compressed air through the other side. Assembly Note ♦ Insert the end opposite the captive screw into the slot in the bottom case first, then slide the filter into position. Do not over tighten the screw. DP8000/8000HB Service Manual...
The rear feet are also included with a new bottom case. Turn the projector upside down on the work surface. To remove a damaged rear foot, turn it counter-clockwise. To install a rear foot, turn it clockwise. Do not over tighten the foot. DP8000/8000HB Service Manual...
Once you have removed the top case, you have access to the keypad (4008088). See step 6 below. Turn the projector upside down on the work surface. Remove the two M3x104 Phillips Plastite screws on the bottom case. Turn the projector right side up on the work surface. DP8000/8000HB Service Manual...
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Remove the eight M3x7 black Torx Plastite screws and the M3x13 black Torx screw that fasten the top case to the projector. To separate the top case from the bottom case, do the following: Lift the top case near the projection lens. DP8000/8000HB Service Manual...
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While holding the top case up, flex the rear of the top case below the I/O panel. Flex it just enough to clear the I/O ports. Once the two case halves are separate, unplug the I/R-speaker cable from its connector on the controller ECA. DP8000/8000HB Service Manual...
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Adhere a new front label to the left side the front IR window. Make sure to position the label so that it does not cover the transparent portion of the window. Refer to the old top case for positioning. DP8000/8000HB Service Manual...
Remove the top case (see page 14) Unplug the speaker cable from its connector on the IR ECA. Remove the three M3x6 black Plastite Torx screws with captive washers that fasten the speaker to the top case. Then remove the speaker. DP8000/8000HB Service Manual...
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Assembly Notes ♦ If you are replacing the left speaker, make sure to route the speaker cable through the cable guides in the top case. ♦ Torque all screws to 6 in-lbs (.68 Nm). DP8000/8000HB Service Manual...
Remove and Replace the IR ECA and IR Window The IR ECA (DP8000: 308230x, DP8000HB: 308246x) and the IR window (4009077) fasten to the inside of the top case. The IR ECA includes the IR receiver and the circuitry that carries the audio signals to the three speakers.
Remove and Replace the Ballast The ballast (DP8000: 300162x, DP8000HB: 525-0061-xx) provides the high voltage necessary to strike and run the projection lamp. It receives power from the power supply. The ballast is located in the front of the projector, adjacent to the projection lens and the lamp housing. The ballast air guide (available in the hardware kit [410389]) fastens to the ECA portion of the ballast.
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Lift the ballast out of the bottom case. You may need to flex the case outward slightly. Note that the lamp power cable connector is fastened to the lamp housing. Remove the two M3x8 black Plastite Torx screws with captive washers that fasten the lamp power connector to the lamp housing. Then unplug the connector. DP8000/8000HB Service Manual...
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Then slide the air guide off of the ballast ECA. To install the ballast air guide, insert the two top corners of the ballast ECA into the slots in the air guide. Then tighten the M3x6 black Plastite Torx screws to 5 in-lbs (.55 Nm). DP8000/8000HB Service Manual...
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M3x8 Plastite Torx screws with captive washers to 5 in-lbs (.55 Nm). Do not over tighten the screws. 2. Make sure the lamp power cable emerges from the end of the ballast and is then routed through the slot in the air guide flange that fits over the lamp housing. DP8000/8000HB Service Manual...
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M3x8 black Plastite Torx screw with a captive washer. Then tighten the screw to 8 in-lbs (.95 Nm) 5. Tighten the two black M3x6 Plastite Torx screws that fasten the ballast to the lamp housing to 5 in-lbs (.55 Nm). DP8000/8000HB Service Manual...
To install the handle, insert the handle pin into the hole in the handle bracket. While holding the bracket in place, press the pins into their slots in the bottom case. ♦ Torque the M3.5x10 Torx screw to 8 in-lbs (.95 Nm). DP8000/8000HB Service Manual...
Remove and Replace the Engine Blower The engine blower (DP8000: 300732, DP8000HB: 505-1436-xx) is located in the front of the projector adjacent to the projection lens barrel. It draws outside air through the dust filter and blows cool air into the optical engine.
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Insert the blower duct into the engine first, then lower the rest of the blower into the bottom case. Make sure the blower seats properly in the bottom case. There are two spacers that fit into recesses in the screw holes. Torque the two screws to 5 in-lbs (.55 Nm). DP8000/8000HB Service Manual...
First, power up the projector with the top off. Let the projector run until it shuts down. Measure the resistance at the cable connections. If the resistance is infinity (open), replace the thermal switch. Probe the connections indicated below: DP8000/8000HB Service Manual...
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To replace the thermal switch Unplug the thermal switch cable at the connector on the controller ECA. Then remove the black M3x6 Plastite Torx screw. DP8000/8000HB Service Manual...
The controller ECA is located beneath the top case. It fastens to the top of the optical engine. It provides all control functions and processes the data and video signals. In the DP8000, the controller ECA is part of the engine/controller kit (410393). Both parts are matched, and must be installed as a set.
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These tabs are part of a sliding bar that locks the cable in the connector. To unlock the connector, use a pick to move the tabs away from the connector and toward the cable about a 1/8th of an inch. Then pull the cable out of the connector. CAUTION The connectors are extremely delicate. DP8000/8000HB Service Manual...
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Remove the four M3x6 Torx screws and the single black Plastite screw that fasten the controller ECA to the optical engine. Remove the M3x6 Torx screw that fastens the I/O shield to the power supply. DP8000/8000HB Service Manual...
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You can now remove the controller from the projector. Do one of the following: If you are replacing the controller ECA on an DP8000, go to Removing the Optical Engine (see page 21). If you are replacing the controller ECA on an DP8000HB, to Remove and Replace the NV RAM Chip (see page 37.
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♦ When you seat the controller, make sure the metal tab on the I/O shield fits behind the matching plastic tab on the bottom case. ♦ Torque all screws to 7 in-lbs (.8 Nm). DP8000/8000HB Service Manual...
If you cannot locate the NV RAM chip or if you cannot remove the chip, you may not be working on an DP8000HB. Check the serial number label on the bottom case. The DP8000HB serial number prefix is AFW. DP8000/8000HB Service Manual...
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Use an IC puller or a small flat bladed screwdriver to remove the chip from its base on the controller. DP8000/8000HB Service Manual...
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The pins on the NV RAM chip are delicate. Make sure that the pins are straight and that they align with the corresponding holes in the socket. Press straight down, making sure that you do not bend the pins while inserting them into the socket. DP8000/8000HB Service Manual...
Turn the remote control on, then press the menu button. In the Basic menu, select Setup. Use the arrow keys on the remote to move up and down the menu. Use the Select button to make a menu selection. In the Setup menu, select Service. DP8000/8000HB Service Manual...
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If the Service Code menu choice is dimmed, the projector does not recognize the source you connected in step 1. Make sure you can see source's desktop in the projected image. On the remote control, press the following buttons in order. Computer Volume Up Volume Down Power Video Menu DP8000/8000HB Service Manual...
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If the Service Code menu does not appear, re-enter the button sequence. If too much time elapses before you begin to enter button presses or between button presses, the small window disappears and you must begin again. In the Service State Warning box, select Enter. In the Service Menu, select Customer Ver.. DP8000/8000HB Service Manual...
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Press the left mouse button on the remote to accept the change, then select Close Menu to close the Service Menu. Press the Menu button to close all the menus. To confirm that the logo screen is correct, restart the projector. DP8000/8000HB Service Manual...
The side vent (4009072) covers the side of the projector opposite the projection lens. The 92mm lamp fan (DP8000: 400177, DP8000HB: 232-0218-xx), the 80mm engine fan (DP8000: 400056, DP8000HB: 232-0219-xx), and the 60mm power supply fan (DP8000: 400057, DP8000HB: 232-0220-xx) all fasten to the side vent. Each fan is available separately.
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Make sure you fasten the fan onto the side vent so that the fan cable is routed properly. See step 1 above. ♦ Make sure the side vent edges mate properly when you install the unit into the bottom case. ♦ Torque all screws to 6 in-lbs (.7 Nm). DP8000/8000HB Service Manual...
Remove and Replace the Lamp Blower The lamp blower (DP8000: 300733, DP8000HB: 526-0147-xx) is located near the front of the projector, in the cavity between the projection lens and the lamp housing. The blower is an assembly, comprised of an air guide, a metal bracket and the blower itself. The assembly fastens to the bottom case with two screws.
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The M3.5x10 Plastite screw fastens the front bracket to the engine base. Torque it to 8 in-lbs (.95 ♦ The M3x6 Plastite screw fastens the rear bracket to the bottom case. Torque it to 5 in-lbs (.55 Nm). DP8000/8000HB Service Manual...
Use a pick to detach the spring that attaches to the top of the elevator shaft. The shaft is located adjacent to the projection lens, just to the rear of the ballast. To remove the foot and shaft, do the following: DP8000/8000HB Service Manual...
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To remove the elevator actuator Remove the optical engine (see page 54) Use a pick to pry the actuator spring away from the elevator shaft. DP8000/8000HB Service Manual...
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When you replace the actuator spring, make sure to insert the front first, then press the rear of the spring into place. ♦ It's easier to replace the elevator foot/shaft when the engine is out of the bottom case. DP8000/8000HB Service Manual...
Remove and Replace the Power Supply The power supply (DP8000: 300162x, DP8000HB: 300163x) is located in the rear of the projector, behind the optical engine. The power supply includes the AC plug and the power switch. It routes high voltage to the ballast, which steps up the power to strike the lamp. The power supply provides low voltage to the controller ECA, the optical engine and the fans.
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Lift the power supply out of the bottom case. If you are replacing the power supply, remove the metal bracket from the right side of the power supply. The bracket fastens to the power supply ECA with one M3x6 Torx screw. DP8000/8000HB Service Manual...
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When you place the power supply into the bottom case, make sure each end of the power supply ECA fits into the alignment slots in the bottom case. ♦ Torque the four M3x6 black Plastite Torx screws to 7 in-lbs (.8 Nm). ♦ Make sure you plug the safety interlock cable into its connector. DP8000/8000HB Service Manual...
Remove and Replace the Optical Engine In the DP8000, the optical engine is part of the engine/controller kit (410393). The two units are matched in the factory and must be replaced as a set. If you replace only the engine and not the controller ECA, one or both of the parts may fail.
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Lift the engine and attached lamp housing out of the bottom case. If you are replacing the engine, do the following: Remove the five M3x7 standoffs from the top of the engine. DP8000/8000HB Service Manual...
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Assembly Notes ♦ If you are installing a new engine, do the following 1. Fasten the air guide to the bottom of the engine (see step 5 above). Torque the five M2x4 screws to 4 in-lbs (.452 Nm) DP8000/8000HB Service Manual...
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Torque the four M3x6 black Plastite Torx screws to 7 in-lbs (.8 Nm). ♦ If you are replacing the engine/controller kit, you may need to change the logo screen to reflect the correct company name. See Change the Logo Screen (page 72) for more information. DP8000/8000HB Service Manual...
Remove and Replace Lamp Housing The lamp housing (DP8000: 4009076, DP8000HB: 340-1019-xx) fastens to the optical engine. It helps direct cool air around the lamp module. It also insulates the optical engine from some of the heat radiated by the lamp.
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Remove the black M2.5x6 Torx screw and the M3x6 Torx screw that fasten the lamp housing to the optical engine. DP8000/8000HB Service Manual...
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Once both tabs are free, you can separate the lamp housing and engine. CAUTION If you bend a tab too far, it will break. If you break a tab, you must replace the lamp housing with a new one. DP8000/8000HB Service Manual...
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3. If you are installing a new lamp housing, make sure to fasten the thermal switch to the top of the housing. See step 3 above. 4. Torque all screws to 5 in-lbs (.55 Nm). DP8000/8000HB Service Manual...
Remove the optical engine (see page 54). To replace the interlock switch, remove the two black M3x14 Plastite screws that fasten the switch to the bottom case. Then use a needlenose pliers to unplug the cables attached to it. DP8000/8000HB Service Manual...
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To replace a cable, use a bladed screwdriver to pry the ferrite from the bottom case. Then unplug the cables from the interlock switch. DP8000/8000HB Service Manual...
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♦ Be sure to plug the rear cable back into its connector on the power supply. ♦ Be sure to route the front cable between the posts in the bottom case. DP8000/8000HB Service Manual...
Engine blower (see page 28) Lamp blower (see page 46) Optical engine and attached lamp housing (see page 54) Affix a new bottom label to the outside of the bottom case. Use the old bottom case for positioning. DP8000/8000HB Service Manual...
Remove the optical engine (see page 54). Use a small Phillips driver to remove the four M2x4 black Phillips screws that fasten the zoom ring to the lens barrel. The screws are oriented 90 degrees to each other. DP8000/8000HB Service Manual...
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Fasten the focus ring to the lens barrel before fastening the zoom ring. ♦ Torque the screws to 5 in-lbs (.55 Nm). Do not over tighten the screws. You can crack the plastic zoom or focus ring. DP8000/8000HB Service Manual...
Audio & Video Use the cables that come with the projector, including the Digital Video Interface cables (DVI) cable. RGB test screens Use the Test Patterns on the InFocus website to check image quality. External amplified speakers PC multimedia For example, you can use a PowerPoint presentation with sound, photographs, presentation graphics and .avi files.
Verify that the volume controls function correctly. (right arrow), then the Volume down (left arrow) buttons. Verify that the projector switches to the manually-selected Manual source selection source. On the keypad, press the Source/Select Verify that the video automatically synchronizes. DP8000/8000HB Service Manual...
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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. DP8000/8000HB Service Manual...
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Navigate through the Basic menu to the Reset function. Select Reset. 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. DP8000/8000HB Service Manual...
You use this section to diagnose problems with the projector. In addition to the troubleshooting trees on the following pages, you will also find the following items: ♦ Check Controller Voltages (page 72) ♦ Check Speaker Resistance (page 89) ♦ Wiring diagram (page 90) DP8000/8000HB Service Manual...
Replace bad fan (page 44) (page 88) 80mm engine fan (page 44) Lamp blower (page 46) DP8000: replace controller ECA/engine kit Note: Voltage for bad fan or (page 32) blower is 12v fan power and 3.2v DP8000HB: replace controller ECA fan sense.
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Does the thermal switch Replace the have the roper thermal switch. resistance? (page 30) (page 30) Replace ballast (page 21) Does the unit Issue resolved operate normally? DP8000 Replace engine/controller kit DP8000HB Replace controller ECA (page 32) DP8000/8000HB Service Manual...
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Dead. No lamps, no fans Dead. No fans, no lamp, no LED If you're plugging the projector into a power Substitute a strip, make sure the power strip is turned known good power cord. Replace power supply (page 51) DP8000/8000HB Service Manual...
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ECA? (page 88) Replace thermal switch Thermal switch voltage (page 30) good? (page 30) DP8000 Replace engine/controller kit Power supply DP8000HB Replace controller ECA voltages good? (page 32) (page 88) In rare cases, the interlock switch goes bad. You can try...
The image out of alignment Flickering Image Dark Spot in image garbled or scrambled, or includes (page 78) (page 79) faded, discolored, displays lines clusters of dark or over- over image bright pixels (page 81) (page 80) DP8000/8000HB Service Manual...
Substitute known good ballast (page 21) Is the image Replace ballast stable? DP8000 DP8000HB Replace controller ECA Is the image Substitute good optical engine Replace engine and optical engine stable? (page 54) (page 32) Replace the controller ECA (page 32) DP8000/8000HB Service Manual...
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Dark spot in image Dark spot in image: gets larger as projector runs Clean dust filters (page 11) Is the image Problem resolved fixed? DP8000: replace controller ECA and optical engine (page 32) DP8000HB: replace optical engine (page 54) DP8000/8000HB Service Manual...
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Image out of alignment Bad color The image out of alignment or includes clusters of dark or over-bright pixels DP8000 DP8000HB Replace controller ECA Replace optical engine and optical engine (page 54) (page 32) DP8000/8000HB Service Manual...
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(see page 37) DP8000 DP8000HB Replace controller ECA Substitute good optical engine and optical engine (see page 54) (see page 32) Replace engine Good image? (see page 54) Replace the controller ECA (see page 32) DP8000/8000HB Service Manual...
(see page 20) Problem Audio work? resolved A new top case includes a new Substitute a new top case IR/speaker cable. (see page 14) Problem Audio work? resolved DP8000 Replace engine/controller kit DP8000HB Replace controller ECA (page 32) DP8000/8000HB Service Manual...
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ECA. Run the projector with audio for 30 minutes. If the problem returns, replace both the controller ECA and DP8000 Replace engine/controller kit the speaker if the resistance across no longer DP8000HB Replace controller ECA measures between 7.5 and 8.5 ohms.
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Distorted audio One or more speakers sound scratchy or distorted Substitute a known good speaker for the bad one(s) (see page 18) Problem Sound good? resolved DP8000 Replace engine/controller kit DP8000HB Replace controller ECA (page 32) DP8000/8000HB Service Manual...
IR window only or not at Does the remote rear IR window only, replace the all, IR ECA in the top case. work through the the rear IR DP8000 Replace engine/controller kit lens? (see page 20) DP8000HB Replace controller ECA (page 32) Does the remote...
(page 32) Make sure the top case is fastened flush against the bottom case. Does the menu appear? DP8000 Replace engine/controller kit DP8000HB Replace controller ECA (page 32) DP8000/8000HB Service Manual...
ECA. You can try problems. appear? replacing the rubber keypad, but it rare (page 85) that a keypad fails. Does the menu appear? DP8000 DP8000HB Replace the Replace the engine/controller kit controller ECA (page 32) (page 32) DP8000/8000HB Service Manual...
To check voltages, you need to power up the projector with the top case removed (see page 13). Use the remote control to power up the projector once the top case is off the projector. Go to page 89 to see about checking speaker resistance. DP8000/DP8000HB Service Manual...
Part Name Part Number IR ECA DP8000: 308230xx, DP8000HB: 308246xx Keypad 4008088 Thermal switch 301572xx Lamp housing DP8000: 4009076, DP8000HB: 340- 1019-xx Lamp blower DP8000: 300733, DP8000HB: 526- 0147-xx Bottom case 4009071xx 60mm power supply fan DP8000: 400057, DP8000HB: 232- 0220-xx...
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Controller ECA DP8000HB: 308244xx Optical engine DP8000HB: 410469 IR window 4009077 Low range speaker 505538 Right and left speakers 506499 & 506536 Top case 4009070 Hardware kit 410389 DP8000/8000HB Service Manual...
Cable, interlock switch 301570xx Also included with new bottom (CABLE INT C13 SAFETY SWITCH) case. Cable, lamp 301571xx (CABLE INT C13 LAMP CONTROL) DP8000: see Engine/controller Controller ECA DP8000HB: 308244xx Dust filter 300728 (DUST FILTER COMPLETE C13) Elevator actuator 4009083...
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IR window 4009077 (IR GLAS C13) Keypad 4008088 (KEYPAD C13) 401941 Includes the front, rear, top and Label kit (DECAL SET PROXIMA DP8000) bottom adhesive labels. Lamp door 4009073 (LAMP COVER C13) Lamp housing DP8000: 4009076 (LAMP HOUSE C13) DP8000HB: 340-1019-xx...
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CABLE) 301572xx Thermal switch (CABLE INT C13 THERMO SWITCH) Top case 4009070 Includes three speakers, (HOUSING TOP) keypad, IR/speaker cable, IR ECA and IR window. Zoom ring 340-1157-xx Also included with new optical (ZOOM RING C13) engine. DP8000/8000HB Service Manual...
M3x8 black Plastite Torx screw M3x7 black Plastite Torx screw with beveled head M3x7 standoff M2.5x6 black Plastite Torx screw M3x6 Torx screw with waster M3x12 Torx screw M4x7.5 black Plastite Torx screw M3x104 black Plastite Torx screw .4x4x25mm spring DP8000/8000HB Service Manual...