InFocus LP500 Service Manual Download Page 84

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LP500 Series Service Manual

Troubleshooting

You use this section to diagnose problems the LP500 and LP530 projectors. The Power and Image menu

choices provide a variety of symptoms, while the others include only one page.

Here are your choices:

Troubleshooting power problems (page 85)

Troubleshooting image problems (page 92)

Troubleshooting keypad problems (page 96)

Troubleshooting remote problems (page 97)

Troubleshooting menu problems (page 98)

Troubleshooting audio problems (page 99)

In addition to the troubleshooting trees, you will also find the following items:

♦

Block diagram (page 100)

♦

Controller voltage check points (page 101)

♦

How to power up the projector with the top off to check fan operation and voltages (page 102)

♦

How to check thermal switch operation (page 105)

♦

How to check and reseat the color wheel cable (page 106)

♦

How to check the safety switch connector (page 112)

Summary of Contents for LP500

Page 1: ...Service Guide for the LP500 LP530 ...

Page 2: ... time Measure the AC voltage across the combina tion of 1500ohm resistor and 0 15 µF capacitor Reverse the AC plug at the AC outlet and repeat AC voltage mea surements for each exposed metallic part Voltage mea sured must not exceed 5 25V rms This corresponds to 3 5 mA AC Any value exceeding this limit consti tutes a potential shock hazard and must be corrected immediately PRODUCT SAFETY NOTICE Ma...

Page 3: ...roller ECA 30 Install the controller ECA 33 Remove and replace the I O EMI shield 36 Remove and replace the rear IR lens 37 Remove and replace the chassis and power supply 39 Remove and replace the rear bezel 43 Remove and replace the chassis 46 Remove and replace the lamp fan 47 Remove and replace the lamp blower 49 Remove and replace the power supply 51 Remove and replace the power supply fan an...

Page 4: ...roblems 97 Troubleshooting Audio Problems 98 Block Diagram 99 Check controller voltages 100 Power up with top case removed to check fans and voltages 101 Check the thermal switch 104 Check the color wheel and reseat the cable 105 Using the keypad to power up the projector 109 Parts Lists 111 FRUs by alphabetic listing 111 FRUs by numeric listing 114 Fasteners and Torque Settings 117 Standard Acces...

Page 5: ...mful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense WARNING Changes or modifications made to this equipment not expressly approved by Toshiba or parties authorized by Toshiba could void the user s authority to operate the equipment N...

Page 6: ... the product and to protect it from overheating and these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to IMPORTANT SAFETY ...

Page 7: ...LP500 Series Service Manual 7 Parts Replacement Replaceable Part Hierarchy ...

Page 8: ... They can be replaced without removing the front bezel or top case 1 Stand the projector lens side up on the work space 2 Grasp the focus ring and pull it off of the lens barrel 3 Grasp the zoom ring and pull it off of the lens barrel Assembly Notes Both rings have three slots or tabs that align with pins or slots on the lens barrel Align the tabs on the zoom ring with the three slots on the lens ...

Page 9: ...ree alignment pins on the end of the lens barrel and then press it into place Depending on the focus setting the focus ring may not appear to fully seat itself Turn the ring clockwise It should move inward until it nearly touches the zoom ring Place the lens cap over the focus ring ...

Page 10: ...the following 1 Remove the focus and zoom rings see page 8 2 Use a T 10 driver to remove the black M3x8 Plastite Torx screw on the end of the vent opposite the projection lens 3 Lift the end of the vent near the screw first then pull the vent off of the projector You may need to use a small bladed screw driver to pry it up 4 Use a T 10 driver to remove the two black M3x8 Torx screws that fasten th...

Page 11: ... 11 5 Use a T 10 driver to remove the black M3x48 cone point Torx screw from the bottom of the projector adjacent to the lamp door 6 Lift the end of the front bezel near the lamp first then swing it out to disengage the other end ...

Page 12: ...ck M3x48 cone point Torx screw into its hole in the bottom case If it does not fully insert it means that the front bezel is not properly installed Torque the screw to 4 in lbs 45 Nm Torque the two black M3x8 Torx screws near the lens to 4 in lbs 45 Nm To install the bezel vent slide the end nearest the lens toward the lens so that the two tabs on the front bezel engage the first vertical louver o...

Page 13: ...ity It includes a tab that closes the interlock switch when the door is shut CAUTION The lamp module gets very hot during operation Allow the lamp to cool for 30 minutes before handling it 1 Place the projector upside down on the work surface 2 To remove the lamp door press the lip on the outside edge of the door until the door slides inward Then swing the door open 3 Loosen the two captive screws...

Page 14: ... lamp must be seated properly to fully ignite Torque the two captive screws to 6 in lbs 678 Nm Make sure the bail on the lamp module is folded down in storage position It snaps into position You must replace the lamp door for the projector to operate ...

Page 15: ...ot completely folded down If you installed a new lamp module follow the directions below to reset the lamp timer a Plug the projector in and turn it on b Press and hold down the Volume button While holding the Volume down press the Source button Hold both buttons down for five seconds c To verify that the lamp timer is reset press the Menu button and navigate to the Source menu The lamp timer is t...

Page 16: ...face 2 Rotate the leveling foot counterclockwise until it is fully extended 3 Use a T 7 driver to remove the black M2 5x6 Plastite Torx screw in the center of the foot Remove the leveling shaft 1 Remove the leveling foot 2 Remove the top case see page 19 3 Use a Philips screwdriver to remove the shaft from inside the bottom case Assembly Notes If you are replacing the leveling shaft turn it clockw...

Page 17: ...LP500 Series Service Manual 17 Rotate the leveling clockwise until it is level with the bottom of the projector ...

Page 18: ...d on the bottom case at the rear of the projector opposite the leveling foot 1 To replace a rubber foot peel the protective paper off the bottom of the foot Then press the foot into the recess in the bottom case If you need to remove a portion of an old rubber foot gently pry it away from the bottom case ...

Page 19: ...the top case 1 Remove the following items Front bezel and front bezel vent see page 10 Focus and zoom rings see page 8 2 Place the projector on its top and then remove the black M3x48 cone point Torx screw at the rear of the bottom case The front screw was taken out when you removed the front bezel 3 Place the projector right side up 4 Lift the side of the case opposite the projection lens Take ca...

Page 20: ...the top case next to the projector and then disconnect the keypad cable from the ZIF connector on the controller ECA and the IR cable from its connector 7 If you are going to replace the top case with a new one remove the keypad see page 22 ...

Page 21: ...e case see page 22 Adhere a new InFocus nameplate to the top case in the recess near the IR window Connect the keypad and IR cables first Then engage the hinges on the lens side of the projector Swing the top case shut making sure that it fits flush over the bottom case Torque the black M3x48 cone point Torx screw to 4 in lbs 452 Nm ...

Page 22: ...s Front bezel and front bezel vent see page 10 Focus and zoom rings see page 8 Top case see page 19 2 Place the top case face down on the work surface 3 Remove the two black M3x6 Plastite Torx screws that fasten the keypad to the top case and then lift the keypad and cable out Assembly Notes When you install the keypad make sure that the alignment pins in the top case fit into the holes at each en...

Page 23: ...troller ECA If you need to replace the rear IR lens see Remove and Replace the Rear IR Lens on page 37 for information 1 Remove the following items Focus and zoom rings page 8 Front bezel and front bezel vent page 10 Top case 19 2 Place the top case face down on the work surface 3 Remove the black M3x6 Plastite Torx screw that fastens the IR ECA and cable to the top case and then lift the board an...

Page 24: ...you are installing a new top IR lens press it into place from the inside of the top case The hooks should engage the case as shown in step 5 above If needed install the IR cable before installing the IR ECA When installing the IR ECA make sure the alignment pin in the top case fits into its hole in the IR ECA The opposite end of the ECA should slightly overlap the keypad Torque black M3x6 Plastite...

Page 25: ...LP500 Series Service Manual 25 This page intentionally left blank ...

Page 26: ...LP500 Series Service Manual 26 This page intentionally left blank ...

Page 27: ...r gasket 329 0276 xx and the speaker bracket 340 0888 xx Each piece is available separately 1 Remove the following items Front bezel and front bezel vent see page 10 Focus and zoom rings see page 8 Top case see page 19 2 Use a T 10 driver to remove the M3x8 Torx screw that fastens the speaker to the chassis 3 Move the speaker assembly aside and unplug the speaker cable from its connector on the co...

Page 28: ...d attached screen off of the speaker and bracket Discard the gasket NOTE When you disassemble the speaker assembly the gasket and attached screen is ruined When you replace either the speaker or speaker bracket you must replace the gasket at the same time 5 Remove the two black M3x6 Plastite Torx screws from the top of the speaker assembly Then separate the speaker and gasket by pressing the botto...

Page 29: ...ng the two posts on the bracket through the two unused screw holes on the speaker See step 5 above Torque the two black M3x6 cone point Torx screws to 4 in lbs 452 Nm Mount the speaker assembly so the two posts on the chassis mate with the two recesses on the bottom of the speaker bracket The mounting arm faces the front of the projector Torque the M3x8 Torx screw to 6 in lbs 68 Nm ...

Page 30: ...A through a direct connector on the bottom of the controller WARNING Be sure to take proper ESD precautions while working near the controller ECA It can be easily damaged by static electricity ECAs damaged by static electricity require replacement 1 Remove the following items Focus and zoom rings see page 8 Front bezel and bezel vent see page 10 Top case see page 19 Speaker assembly see page 27 2 ...

Page 31: ...roller power supply cable from the corner of the controller ECA adjacent to where the speaker was located Squeeze the latch on the bottom of the connector to release it 4 Remove the eight M3x8 Torx screws that fasten the controller ECA to the chassis ...

Page 32: ...rd slightly so the I O connectors clear the holes the rear bezel Then lift the controller out of the projector WARNING Make sure to store the controller ECA in a static safe container 7 If you are replacing the controller with a new one remove the I O EMI shield see page 36 Go to Install the Controller ECA on page 33 or go the next part you want to replace ...

Page 33: ...proper ESD precautions while working near the controller ECA It can be easily damaged by static electricity ECAs damaged by static electricity require replacement 1 Slide the rear of the controller ECA into place first so that the I O connectors align with the holes in the rear bezel ...

Page 34: ...LP500 Series Service Manual 34 2 Align the controller DMD connector then press the controller down firmly You will feel the connector halves engage ...

Page 35: ...T 10 driver to install the eight M3x8 Torx screws Torque the screws to 6 in lbs 68 Nm 4 Plug in the fan and blower cables the color wheel cable and the controller power supply cable Go to page 106 if you need help with the color wheel cable ...

Page 36: ...hield 1 Remove the Controller ECA see page 30 2 Remove the two 4 40 jack screws that fasten the EMI shield to the controller The screws are located on either side of the M1 connector 3 Carefully pull the I O EMI shield off of the connectors Take care not to bend the shield or the fingers as you work the shield off Assembly Notes Make sure the fingers on the shield contact the connectors Torque the...

Page 37: ...e rear IR receiver on the controller ECA The rear IR lens is included with a new rear bezel 1 Remove the following items Focus and zoom rings see page 8 Front bezel and bezel vent see page 10 Top case see page 19 Controller ECA see page 30 2 Use a small bladed screwdriver to press the hooks on the lens off of the tabs on the rear bezel 3 Remove the lens from the outside of the rear bezel ...

Page 38: ...LP500 Series Service Manual 38 Assembly Note Press the rear IR lens into the hole from the outside Make sure it snaps into place and is flush with the rear bezel ...

Page 39: ...h these parts removed you also have direct access to the power supply the power supply fuse the power supply fan and the interlock switch cable 1 Remove the Controller ECA see page 30 2 Use a T 10 driver to remove the two M3x8 Torx screws near the front of the chassis and the two M3x8 Plastite Torx screws near the rear of the chassis 3 Unplug the white safety cable inline connector adjacent to the...

Page 40: ...ual 40 4 Remove the lamp cable from the lamp connector on the lamp housing To do this remove the two M3x8 Torx screws then lift the connector out 5 Lift one side of the rear bezel while flexing the bottom case slightly outward ...

Page 41: ...ly out of the projector Below is the chassis and power supply as it looks when removed from the bottom case 7 Place the chassis and power supply aside and go to the part you want to remove The following parts are now accessible on the chassis Power supply fan and safety switch cable see page 55 Power supply fuse see page 57 Power supply see page 51 Rear bezel see page 43 ...

Page 42: ... over the optical engine Make sure to use the Plastite Torx screws in the rear Torque them to 6 in lbs 68 Nm Torque the front Torx screws to 4 in lbs 45 Nm Make sure to connect the inline safety cable connector If this cable is disconnected the projector will not generate a lamp enable signal Note that the lamp cable connector is keyed so that it fits into its hole in the lamp housing only one way...

Page 43: ... diode heat sink bracket 330 0724 xx These four parts provide thermal and electrical protection for the power supply 1 Remove the chassis and power supply from the bottom case see page 39 2 Remove the power supply from the chassis see page 51 3 Place the chassis on the work surface so that the paper power supply insulator faces upward 4 Remove the M3x6 Torx screw that secures the diode heat sink b...

Page 44: ...sulator off of the chassis 7 Remove the two M3x8 Torx screws that fasten the rear bezel to the chassis then slide the bezel off of the chassis Assembly Notes If you are installing a new rear bezel affix a new rear bezel label 020 1137 xx to the outside of the bezel ...

Page 45: ...45 To mount the rear bezel on the chassis align the two tabs on the inside of the bezel with the two recesses on the chassis Alignment pins in each recess engage holes in each tab Torque the two M3x8 Torx screws to 6 in lbs 68 Nm ...

Page 46: ...e chassis Set the ground clip aside You need to fasten it to the new chassis 3 Remove the Chassis and power supply see page 39 4 Place the chassis on the work space and remove the following parts 5 Power supply fan and interlock switch cable see page 55 6 Power supply see page 51 7 Rear bezel includes diode gap pads heat sink and power supply insulator see page 43 8 You are left with the bare chas...

Page 47: ...e lamp fan you must also adhere a lamp fan heat shield 329 0306 XX to the inside of the fan 1 Remove the chassis and power supply from the bottom case see page 39 2 Remove the two M3x12 Plastite Torx screws that fasten the fan to the rear of the lamp housing Then remove the fan Assembly Notes Before installing the new lamp fan you must adhere a heat shield to the center of the fan The heat shield ...

Page 48: ... fan on the lamp housing orient the fan so that the cable emerges from the top right corner as you face the fan The heat shield must face inward Pins on the lamp housing match two holes in the fan Torque the M3x12 Torx Plastite screws to 6 in lbs 68 Nm ...

Page 49: ...o the side of the blower and a blower heat shield 329 0337 xx to front of the blower The blower gasket 329 0299 xx fits between the blower and the lamp housing 1 Remove the chassis and power supply from the bottom case see page 39 2 Remove the M3x8 Plastite Torx screw that fastens the blower to the lamp housing Then pull the blower out of the lamp housing When you remove the blower you can see the...

Page 50: ...d into the lamp housing Adhere a PSA square to the label side of the blower If necessary replace the blower gasket on the lamp housing The blower gasket must be in place before you install the blower Position the blower so that the pointed end is inserted into the lamp housing and the holes on the mounting tab fit over the registration pins on the lamp housing Torque the M3x8 Plastite Torx screw t...

Page 51: ...parate the power supply from the chassis 1 Remove the chassis and power supply from the bottom case page 39 and place the assembly chassis side up on the work surface 2 Remove the controller power supply cable 211 0161 xx from its connector on the power supply Squeeze the latch on the bottom of the connector to release it 3 Turn the chassis over so that the power supply faces upward 4 Unplug the s...

Page 52: ...ne screw holds a ground wire to the chassis 6 To separate the chassis and power supply flex the rear bezel outward while lifting the rear of the power supply A tab in the center of the bezel fits over the power supply ECA When you flex the bezel the ECA clears the tab and you can lift the power supply out of the chassis ...

Page 53: ...ower supply is fastened to the chassis For removal and replacement instructions see rear bezel on page 43 NOTE The gap pads may stick to the bottom of the power supply when you remove it Make sure you replace a gap pad if it comes off of the chassis 7 Do one of the following If you are replacing the power supply with a new one follow the assembly notes below Or Go to the part below that you need t...

Page 54: ...upply ECA will clear the tab in the center of the rear bezel See step 6 above Torque the six M3x8 Torx screws to 6 in lbs 68 Nm See step 5 above for screw locations Connect the ground wire to the post near the AC connector Make sure that you route the wire as shown below Connect the interlock switch cable to its connector on the front of the power supply See step 4 above ...

Page 55: ...h cable 211 0162 xx which runs between the power supply and the interlock switch assembly To remove and replace the safety switch cable do the following 1 Remove the chassis and power supply from the bottom case see page 39 2 Place the chassis on the work surface so that the power supply faces upward 3 Unplug the safety switch cable from its connector on the power supply 4 Turn the chassis and pow...

Page 56: ...hen pull the fan off of the chassis Assembly Notes Note that two bosses on the chassis fit into the two screw holes on the inside of the power supply fan Press the fan onto the bosses then torque the M3x10 screws to 6 in lbs 68 Nm Make sure the fan label faces inward Make sure to route all the cables through the cable retainers on the top of the chassis Make sure you leave enough of the interlock ...

Page 57: ...n side 1 Remove the chassis and power supply from the bottom case see page 39 2 Place the chassis on the work surface so that the power supply faces upward 3 Pry the fuse out of its holder with a tweezers or small bladed screwdriver Assembly Note Make sure that the fuse is fully inserted in the fuse holder The top of the fuse should rest against the stop on the top of the fuse holder ...

Page 58: ...e on the top of the lamp housing 1 Remove the lamp door see page 13 2 Remove the chassis and power supply from the bottom case see page 39 3 Remove the M1 8x 8 Plastite Phillips screw that fastens the interlock switch to the lamp housing Press firmly as you turn the screw so as not to strip the screw head 4 Use a small bladed screwdriver to remove the clip that fastens the thermal switch to the to...

Page 59: ... the lamp fan A tab on the lamp door fits through the slot to close the interlock switch when the lamp door is in place Orient the thermal switch on the top of the lamp housing so that the registration pin on the lamp housing aligns with the hole in thermal switch The white lettering on the switch should face up Press the two ends of the thermal switch clip into the holes on both sides of the ther...

Page 60: ...180 xx fastens to the bottom case The engine comprises all parts in the light path including the lamp housing three fans the metal engine and the projection lens 1 Remove the chassis and power supply from the bottom case see page 39 2 Remove the three M3x8 Plastite Torx screws that fasten the engine to the bottom case ...

Page 61: ...n lens 4 Place the engine on a static free surface or in an ESD protected container Assembly Notes The elevator housing and shaft fit between the front fan and the and the metal light tunnel Make sure the engine sits flush with the three posts in the bottom case Torque the three M3x8 Plastite Torx screws to 6 in lbs 68 Nm ...

Page 62: ...housing A lamp housing is included with a new optical engine 1 Remove the chassis and power supply see page 39 2 Remove the optical engine see page 60 3 Place the engine on a clean static free work surface 4 Remove the lamp fan page 47 lamp blower page 49 safety switch assembly page 58 and lamp module page 13 from the lamp housing 5 Remove the lamp blower gasket from the lamp housing 6 Remove the ...

Page 63: ...ough a slot on the back of the lamp housing Assembly Notes Slide the lamp housing into place so that the tab on the engine casting fits into the slot on the lamp housing Verify that the holes in the lamp housing align with the holes in the engine casting Secure the housing the engine with the M3x8 Torx screw Torque the screw to 6 in lbs 68 Nm ...

Page 64: ...LP500 Series Service Manual 64 Verify that the housing is mounted properly Turn the engine over and examine the seam where the housing meets the engine The seam should be straight ...

Page 65: ...eparately Adjacent to the elevator is the light block louver 340 0876 xx which prevents light leakage through a vent in the side of the bottom case The engine mount spacer 340 0837 xx fastens to the bottom case over the light block louver The optical engine in turn fastens to the spacer 1 Remove the chassis and power supply page 39 and the optical engine page 60 2 Remove the M3x8 Plastite Torx scr...

Page 66: ...ssed insert a pick or small screwdriver between the stop on the elevator housing and the elevator shaft There are two stops one on each side of the elevator shaft Once the stops are released the shaft should drop through the housing CAUTION Take care when bending the stops in the elevator housing They can easily break If a stop breaks the bottom case must be replaced ...

Page 67: ... through the hole in the bottom case Assembly Note Install the elevator assembly first then the light block louver Align the two holes on the engine mount spacer with the two registration pins on the bottom case then torque the M3x8 Plastite Torx screw to 6 in lbs 68 Nm ...

Page 68: ...0 1136 xx LP530 020 1102 xx 1 Remove the chassis and power supply page 39 and the optical engine page 60 from the bottom case 2 Place the chassis on the work surface so the outside faces upward 3 Remove the serial number label To do this carefully use a heat gun or hair drier to soften the adhesive on the back of the label then peel it off Do not lose the serial number It is not a replaceable part...

Page 69: ...u click the Download Now button the File Download dialog box appears NOTE The illustrations below refer to version 1 8 of the LP530 system software The version of the software you download may be different 1 In the File Download box select Save This Program To Disk option then click OK ...

Page 70: ...he EXE file and install the upgrade software on the computer you plan to use to flash the projector The EXE file is made of two other EXE files One contains the software upgrade files The other contains the Upgrade Utility 1 Open Windows Explorer on your computer To do this click the Start button point to Programs then click Windows Explorer 2 In Windows Explorer locate the EXE file that contains ...

Page 71: ... locate the file On the Tools menu point to Find then click Files or Folders In the Find dialog box enter the name of the file for example 530v18exe 6 Click OK in the message box that appears then click Close NOTE Follow steps five through seven if you are using Windows 98 If you are using a computer that runs on Windows 2000 steps five through seven are not necessary 7 In Windows Explorer navigat...

Page 72: ...eries Service Manual 72 8 Move the following files Place IFCBULK in C Windows INF Place ifcUsb sys in C Windows System32 Driver 9 Restart your computer Now you re ready to upgrade the software in the projector ...

Page 73: ...e upgrade process make sure that you have properly loaded into your computer the system software and drivers included in the software you downloaded from the InFocus web site Otherwise the upgrade will not work Connect the projector to the computer with the M1 A cable 1 Plug the M1 A cable into the projector and computer as shown in the illustration below You don t need to plug in the monitor cabl...

Page 74: ...ced in the examples but they apply to the LP500 as well The only difference is that the LP500 and LP530 use different software 1 Open Windows Explorer navigate to the batch file then double click the FlashUSB utility The FlashUSB dialog box opens ready to begin the upgrade process 2 Click the Select Files button in the FlashUSB dialog box ...

Page 75: ...hen click Open The upgrade files appear in the File List box and the Status indicator at the bottom of the dialog box reads Connecting This tells you that the computer is attempting to establish a connection with the projector 4 Click the Config button The FlashUSB Configuration dialog box opens ...

Page 76: ...t 7 On the LP530 keypad press the green power button then immediately press and hold the volume and the source buttons The projector should go to load state where the fans are running and the green LED glows but the lamp does not light In the FlashUSB v1 2 dialog box The Status Connecting message changes to Status Connected The Download button becomes available The Status indicator now says Connec...

Page 77: ...lick the Download button The software begins downloading to the projector The process may take several minutes When the download is complete the FlashUSB dialog box closes and the projector lamp lights The InFocus splash screen appears ...

Page 78: ...ove The version number is really a list of the HEX files version numbers See the illustration in step 8 above The version numbers are listed with the selected HEX files he_ in the File List box in the FlashUSB dialog box In the illustration above 29 boot code v2 9 18 ROM code v1 8 26 GUI code v2 6 23 data configuration v2 3 11 Splash screen version 1 1 12 EDID version 1 2 The version number you se...

Page 79: ...t source The VCR must include an S video connector in addition to a composite connector Commercially produced video to test S video composite video and audio You ll need the video in DVD laser disc or video cassette format InFocus strongly suggests you use Video Essentials Optimizing Your Audio Video System available at Amazon com Audio Video cables Use the cables that come with the projector incl...

Page 80: ...en appears Verify image quality Cosmetics and mechanicals Adjust the projector so that the image is square Make sure the lens is at a 90 angle to the wall Verify that the elevator and leveling foot are functional Verify that the focus and zoom rings operate properly Verify cosmetics Composite video from video source On the keypad press the Video button Verify that the video automatically synchroni...

Page 81: ... the Standby button on the keypad Verify software version Verify the keys are not sticky Verify unit goes in and out of standby mode The next step is to observe 3 computer images These will confirm that the computer input works properly and will test image quality Press the Computer button on the keypad Verify that the images project synchronize properly through both of the following inputs M1 Ana...

Page 82: ...hat the images project synchronize properly through both of the following inputs M1 Analog M1 Digital Image 1 Focus Test Image Turn off any local light Turn the zoom ring to make the smallest image Focus the image so the middle icon is clearly focused Focus the image on the 4 green squares After focusing on the green squares on the middle icon turn the zoom ring to make the largest image then repe...

Page 83: ...Verify that there are no noise tint duplicating columns or other general image abnormalities present On the keypad press Menu On the Display menu select Reset All Verify that the image synchronizes Expansion module Connect a source to each input and output to check functionality If any ports are bad replace the module Power Down After all tests are complete turn the power off and disconnect all ca...

Page 84: ...oting keypad problems page 96 Troubleshooting remote problems page 97 Troubleshooting menu problems page 98 Troubleshooting audio problems page 99 In addition to the troubleshooting trees you will also find the following items Block diagram page 100 Controller voltage check points page 101 How to power up the projector with the top off to check fan operation and voltages page 102 How to check ther...

Page 85: ...LP500 Series Service Manual 85 Troubleshooting Power Problems page 86 page 87 page 88 page 89 page 90 page 91 ...

Page 86: ...LP500 Series Service Manual 86 Dead page 51 ...

Page 87: ...LP500 Series Service Manual 87 fansnolamp page 101 page 51 page 30 page 101 page 51 ...

Page 88: ...LP500 Series Service Manual 88 fansdies4times page 58 page 13 page 112 ...

Page 89: ...LP500 Series Service Manual 89 blinksgreen page 51 page 106 page 30 page 101 page 60 page 30 ...

Page 90: ...LP500 Series Service Manual 90 shutsdown30sec page 102 page 30 ...

Page 91: ...LP500 Series Service Manual 91 prematureshutdown page 105 page 58 page 51 page 30 ...

Page 92: ...LP500 Series Service Manual 92 Troubleshooting Image Problems imagemain page 93 page 94 page 95 ...

Page 93: ...LP500 Series Service Manual 93 noimage page 30 page 60 ...

Page 94: ...LP500 Series Service Manual 94 badcolor page 30 ...

Page 95: ...LP500 Series Service Manual 95 dim page 13 page 30 page 60 ...

Page 96: ...LP500 Series Service Manual 96 Troubleshooting Keypad Problems page 22 page 30 ...

Page 97: ...LP500 Series Service Manual 97 Troubleshooting Remote Problems page 23 page 30 ...

Page 98: ...LP500 Series Service Manual 98 Troubleshooting Menu Problems page 96 page 97 page 30 ...

Page 99: ...LP500 Series Service Manual 99 Troubleshooting Audio Problems page 101 page 27 page 27 page 27 page 30 ...

Page 100: ...amp blower Lamp fan Front fan Grnd Grnd RGB Thermistors USB Receiver Power Supply Ballast Power supply fan Gnd 3 3V Top IR receiver IR ECA 5V 3 3V 3 3V N A Grnd 8V to 9 2V Lamp Lit 3V lit 0V not lit Gnd Lamp door interlock switch Thermal switch on lamp housing I2 C Audio mixer Amplifier Speaker Fan fail Fan fail Fan fail Fan fail Video Decoder Expansion Module Keypad controller Fan control DMD Com...

Page 101: ...LP500 Series Service Manual 101 Check controller voltages ...

Page 102: ...ont Bezel Vent see page 10 NOTE The lamp and the lamp door must be in place to start the projector with the top case removed 2 Use a compatible remote control to power up the projector To do this point the remote at the rear of the projector and press Power If you do not have a remote go to page 110 to see how to power up the projector with the keypad CAUTION When you power the projector up there ...

Page 103: ...LP500 Series Service Manual 103 The three fans and the lamp blower should all start up when the Lamp button is pressed See the illustrations below for the fan and blower locations ...

Page 104: ...ok directly at the lamp module 4 To verify that a fan or blower is bad unplug the connector for the suspect unit then plug in a known good fan or blower 5 Go to one of the following for fan replacement directions Front fan see page 25 Power supply fan see page 55 Lamp fan see page 47 Lamp blower see page 49 ...

Page 105: ...ly shuts down turning the projector off When a projector shuts down after operating for a few minutes you need to check the thermal switch operation First power up the projector with the top off page 102 Let the projector run until it shuts down Measure the resistance at the cable connections If the resistance is zero replace the safety switch assembly which includes the thermal switch ...

Page 106: ... spinning the first item to check is the color wheel cable connection Reseat it if necessary To check color wheel operation and reseat the cable do the following 1 Remove the following parts Top case see page 19 Front bezel and Front Bezel Vent see page 10 NOTE The lamp and the lamp door must be in place to start the projector with the top case removed 2 To power up the projector point a compatibl...

Page 107: ...LP500 Series Service Manual 107 3 Shine a flashlight between the lamp housing and the controller ECA near the color wheel cable connector You should be able to tell if the color wheel is spinning ...

Page 108: ...Manual 108 4 If the color wheel is not spinning check and reseat the color wheel cable connection To reseat the cable open the ZIF connector and pull the cable out Re insert the cable fully and then close the ZIF connector ...

Page 109: ...LP500 Series Service Manual 109 ...

Page 110: ... remote to start the projector with its top removed you can use the keypad 1 Remove the keypad from the inside of the top cover To do this remove the two M3x6 black Plastite Torx screws then lift the keypad out of the top case 2 Plug the keypad cable into the ZIF connector on the controller ECA ...

Page 111: ...LP500 Series Service Manual 111 3 Plug the power cable into the projector then power up the projector by pressing the Power button on the keypad ...

Page 112: ...rcuit is not closed the projector starts up and then stops running The safety switch assembly attaches to the power supply via the safety switch cable On one end the cable plugs into the power supply and on the other end the cable plugs into an inline connector on the safety switch assembly To check the inline connector remove the top case see page 19 To check the other end of the cable remove the...

Page 113: ... 0301 xx Fits between the chassis and the bottom of the power supply Elevator lever Both 340 0822 xx Elevator shaft Both 505 0878 xx Elevator spring Both 321 0170 xx Engine mount spacer Both 340 0837 xx Fastener Kit Both 802 0027 xx Includes all fasteners necessary to attach each FRU in the LP500 530 projector Focus ring Both 505 0840 xx Front bezel Both 505 0959 xx Front bezel vent Both 505 0961 ...

Page 114: ... optical engine Lamp fan heat shield Both 329 0306 xx Required for new lamp fan Lamp housing Both 505 0858 xx Does not include the safety switch assembly lamp fan or lamp blower Lamp module Both SP Lamp LP5E Note that lamps no longer carry a 9 digit part number They now carry the 9 character Marketing Item Code MIC Lens cap Both 505 0841 xx Leveling foot Both 505 0919 xx Leveling foot shaft Both 3...

Page 115: ...ety switch assembly Both 526 0080 xx Includes thermal switch and interlock switch Safety switch cable Both 211 0162 xx Connects the interlock switch assembly with the power supply Speaker Both 505 0960 xx Requires new speaker gasket Speaker bracket Both 340 0888 xx Speaker gasket Both 329 0276 xx Required when replacing speaker Thermal switch clip Both 206 0032 xx Fastens the thermal switch to the...

Page 116: ... spring Both 328 0029 xx Rubber foot Both 329 0251 xx PSA square Both Required for new lamp blower 329 0268 xx Power supply insulator Both Fits between the power supply and chassis 329 0276 xx Speaker gasket Both Required when replacing speaker 329 0299 xx Lamp blower gasket Both 329 0301 xx Gap pad rear diode Both Adheres to the diode heat sink bracket 330 0742 xx 329 0302 xx Gap pad front diode ...

Page 117: ...37 xx Rear bezel Both Also called I O panel cover Also requires rear bezel label 020 1137 xx 505 0839 xx Zoom ring Both 505 0840 xx Focus ring Both 505 0841 xx Lens cap Both 505 0842 xx Lamp door Both 505 0858 xx Lamp housing Both Does not include the safety switch assembly lamp fan or lamp blower 505 0878 xx Elevator shaft Both 505 0919 xx Leveling foot Both 505 0959 xx Front bezel Both 505 0961 ...

Page 118: ...itch 526 0081 xx Speaker Both Requires new speaker gasket 329 0276 xx 526 0088 xx Keypad Both 526 0094 xx IR cable Both 526 0098 xx Power supply fan Both 749 0026 xx Power supply fuse Both Also comes with new power supply 802 0027 xx Fastener Kit Both Includes all fasteners necessary to attach each FRU in the projector SP Lamp LP5E Lamp module Both Note that lamps no longer carry a 9 digit part nu...

Page 119: ... to top case 2 IR ECA to top case 1 4 in lbs 452 Nm M3x8 Torx with shoulder washer Power supply 6 to chassis optical engine to bottom case 3 rear bezel to chassis 2 chassis to engine 2 lamp connector to lamp housing 2 controller ECA 8 speaker bracket to chassis 1 lamp housing to engine 1 Lamp connector 4 in lbs 452 Nm Others 6 in lbs 68 Nm M3x8 Black Torx Front bezel 2 4 in lbs 452 Nm M3x8 Torx Pl...

Page 120: ... version of User s Guide 010 0293 xx Includes translated versions Lens Cap 505 0841 xx Remote control 590 0409 xx Lamp Module SP Lamp LP5E Installed in projector M1 A cable 210 0185 xx Analog M1 A to USB and VGA Audio adaptor cable 210 0177 xx RCA to 3 5mm Power Cords Power cord depends upon destination country Computer audio cable 210 0118 xx North American 210 0023 xx Australian 210 0027 xx Brit...

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InFocus LP500, Service Manual

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Summary of Contents for LP500

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