31 MAINTENANCE & TROUBLESHOOTING This section
Contents
1. MAINTENANCE amp TROUBLESHOOTING This section describes how to e clean the lens e clean the fan intake filter e replace the projection lamp e replace the batteries in the remote control e use the Kensington lock feature e troubleshoot the projector Cleaning the Lens Follow these steps to clean the projection lens 1 Apply a non abrasive camera lens cleaner to a soft dry cloth e Avoid using an excessive amount of cleaner e Abrasive cleaners solvents or other harsh chemicals might scratch the lens 2 Lightly wipe the cleaning cloth over the lens 3 If you don t intend to use the projector immediately replace the lens cap Cleaning the Fan Intake Filter The fan intake filter on the bottom of the projector catches dust and particles in the air If the filter becomes clogged the projector does not cool properly and may malfunction To prevent this clean the filter after every 100 hours of use 1 Turn off the power and unplug the power cord 2 Remove the filter door e Carefully place a screwdriver against the indented part of the filter door and lift out 31 Maintenancee amp e Troubleshooting FIGURE 23 Removing the filter door 3 Clean the filter e Use a vacuum cleaner set on low power to remove the dust and dirt Be sure to vacuum from the filter door side through the vents and not directly on the filter itself 4 Replace the filter e First insert the side with the tabs then pre2. 9911 Customer Service is free between 6 a m and 6 p m PST Monday through Friday Service is available in North America after hours and on weekends for a fee at 1 888 592 6800 In Europe call InFocus in The Netherlands at 31 35 6474010 In Singapore call 65 332 0659 Or send us an e mail at techsupport infocus com Our World Wide Web address is http Awww infocus com 41
3. installed and configured correctly If you re using Windows 3 x 1 In the Windows Program Manager double click the Win dows Setup icon in the Main program group 2 Verify that the Display setting is 1024x768 or less If you re using Windows 95 1 Open My Computer icon the Control Panel folder and then the Display icon 2 Click the Settings tab 3 Verify that the Desktop area is set to 1024x768 or less Also check the following e Does your computer have a compatible graphics port The pro jector isn t CGA or EGA compatible e Is your computer s graphics board turned on This is espe cially true for laptop computers Problem Computer image isn t centered on the screen e Reposition the image Refer to Horizontal Position on page 26 and Vertical Position on page 26 e If you re using an extension cable between the CableWizard and the projector make sure it s InFocus approved Problem Image is too wide or narrow for screen e You might need to manually adjust the tracking to reduce or enlarge the projected image Refer to Manual Tracking on page 25 e Adjust the resolution of your monitor if it s greater than 1024x768 Only these resolutions at 75 Hz or less will display on the projector Problem Image is out of focus e Turn the projection lens to focus the image e Make sure the projection screen is at least 4 feet 1 2m from the projector e Make sure the projector
4. NING Do not drop the lamp module or touch the glass 8 Gently push the module in as far as it goes Figure 26 9 Tighten the screws on the outside of the module bulb The glass may shatter and cause injury FIGURE 26 Installing a new lamp module 10 Reposition the lamp cover 11 Replace the screw and tighten it 12 Plug in the power cord and turn the projector back on The lamp monitor light and lamp hour counter in the Status menu are automatically reset Replacing the Batteries in the Remote Control The life of the batteries depends on how often and how long you use the remote Symptoms of low battery charge include erratic responses when using the remote and a reduced range of opera tion Follow these steps to replace the batteries 1 Turn the remote face down in your hand 2 Slide the battery cover off the end of the remote by pressing on it with the heel of your hand 3 Remove the old batteries 4 Install two new AA alkaline batteries Make sure you install each in the correct direction 5 Slide the battery cover back on the remote Using the Kensington Lock The projector has a Kensington Security Standard connector for use with a Kensington MicroSaver Security System Figure 27 Refer to the information that came with the Kensington System for instructions on how to use it to secure the projector FIGURE 27 Installing the Kensington lock 35 e amp Troubleshooting NOTE Ma
5. cintosh computers require a specific power up sequence the projector must be turned on before you turn on the computer Troubleshooting If you re experiencing trouble with the projector follow these steps to make sure everything is properly connected before you call Technical Support for assistance 1 Check cable connections Verify that all computer CableWiz ard and power cables are properly connected 2 Verify that all power is switched on 3 Verify that the projector has not been switched off with the standby button on the keypad 4 If the projector still doesn t display an image restart the com puter 5 If the problem still exists unplug the projector from the com puter and check the computer monitor s display The maxi mum resolution that the 700 can display is 1024x768 pixels The problem might be with the graphics controller in your computer rather than with the projector When you reconnect the projector remember to turn the computer and monitor off before you power up the projector Power the equipment back up in this order projector monitor computer 6 If you re using a laptop computer and it is not displaying your presentation make sure you have activated the computer s external video output Most laptop computers do not auto matically turn on their external video port when a secondary display device such as a projector is connected Refer to your computer s manual for more informatio
6. is turned off then check the projection lens to see if it needs cleaning e amp Troubleshooting Problem Image and menus are reversed left to right e Rear projection mode is probably turned on Switch back to for ward projection from the Controls menu The image should immediately return to forward projection See Rear Projec tion on page 27 Problem Image and menus are upside down e Ceiling mode is probably turned on Turn off the mode from the Controls menu The image should immediately return to forward projection See Ceiling Projection on page 27 Problem the projector displays vertical lines bleeding or spots e Adjust the brightness See Brightness on page 19 e Make sure the projector is turned off then check the projection lens to see if it needs cleaning Problem The screen resolution is not right e Make sure the computer s graphics card is set for a resolution of no greater than 1024x768 Problem Image is noisy or streaked Try these steps in this order 1 Deactivate the screen saver on your computer 2 Turn Auto Image off and then back on again See Auto Image on page 24 3 Adjust the synchronization and tracking manually to find an optimal setting See Manual Sync on page 25 and Manual Tracking on page 25 e If you re using an extension cable between the CableWizard and the projector make sure it s InFocus approved e The problem could be with y
7. n 7 If the problem still exists read through the problems and solu tions in this chapter Solutions to Common Problems Problem Nothing on projection screen Make sure that the power cord is properly connected to a func tional AC electrical outlet Make sure that the power cord is also properly connected to the projector If the projector is plugged into a power strip make sure the power strip is turned on Make sure you have removed the lens cap from the projection lens at the front of the projector Make sure the projector is switched on Check the projector s lamp to ensure that it is securely con nected in the lamp module See Replacing the Projection Lamp on page 33 Problem Image not being projected e You might need to adjust the brightness or contrast until the image is visible See page 21 e Verify that the appropriate input source is selected See Com puter on page 17 or Video on page 18 Problem Image from VCR does not display properly e Make sure DVD Optimized is turned off in the Image menu See page 25 e Adjust your VCRs sharpness control if available e Adjust the projector s contrast control to perfect the image Problem Image from source using S video does not display e Press the Video 1 button on the remote to toggle between com posite video and S video See page 18 Problem PAL video does not display correctly e Select PAL from the Video Standard option
8. our computer s graphics board If possible connect a different computer Problem Projected colors don t match the computer or video player s colors e Adjust the brightness tint and or contrast from the Display menu Just as there are differences in the displays of different monitors there are often differences between the computer image and the projected image See Brightness on page 19 Color on page 22 and Contrast on page 21 Problem Lamp seems to be getting dimmer e The lamp begins to lose brightness when it has been in use for a long time Replace the lamp as described in Replacing the Pro jection Lamp on page 33 Problem Lamp shuts off e A minor power surge may cause the lamp to shut off Turn the projector off wait at least 30 seconds then turn it back on Problem Remote not operating correctly e You might need to replace the batteries See Replacing the Bat teries in the Remote Control on page 35 e Make sure you re pointing the remote either at the back or front of the projector or at the projection screen e Make sure the remote is within its operating range of 40 feet Before calling for assistance please have the following informa tion available ethe projector s serial number located on the bottom label ethe resolution of your computer Call your Faroudja dealer or Faroudja at 1 408 735 1492 You can also call InFocus Customer Service directly at 1 800 799
9. s in the Controls menu See Video Standard on page 27 Problem Image has noise on the edges e Turn on Overscan in the Image menu See page 25 37 e amp Troubleshooting Problem Image seems stretched from top to bottom e Your video is in anamorphic 16x9 format Press the Video 2 but ton on the remote to toggle between 4x3 and 16x9 formats See page 18 Problem Image looks too red or blue e Change the Color Temperature See Color Temperature on page 22 Problem no sound when no external speakers connected e Press the mute button e Adjust volume e Verify audio input connections Make sure external speakers are connected as the projector does not have internal speakers e Adjust audio source Problem Only the start up screen displays e Verify that the cables are connected correctly Check to see that the CableWizard computer cable is correctly connected to the monitor connector on the computer this is the connector where your monitor cable usually goes See page 10 for con nection procedures Verify that the proper input source is connected See Com puter on page 17 or Video on page 18 You might need to turn everything off and power up the equip ment again Make sure you power up in this order projector computer monitor computer or video player It is especially important that you follow this sequence for Macintosh comput ers Make sure your computer s graphics board is
10. ss the other end in place 32 Replacing the Projection Lamp The lamp hour counter on the status bar at the top of the menus counts the number of hours the lamp has been in use After 2000 hours of use the lamp monitor LED marked 0 on the top of the projector near the keypad lights Change the lamp when the brightness is no longer acceptable You can order new lamp mod ules from your InFocus dealer See Accessories on page 45 for information Follow these steps to replace the projection lamp 1 Turn off the projector and unplug the power cord 2 Wait 30 minutes to allow it to cool thoroughly 3 Using a small flat blade screwdriver remove the screw on the outside of the lamp door Figure 24 4 Pull the lamp cover up and remove it FIGURE 24 Removing the lamp module door 5 Loosen the two non removable screws on the outside of the module 6 Remove the module Figure 25 WARNING To avoid burns allow the projector to cool for at least 30 minutes before you open the lamp module door N ever extract the lamp module while the lamp is operating CAUTION Never operate the projector with the lamp cover open or removed This disrupts the air flow and causes the projector to overheat 33 Maintenancee amp e Troubleshooting III Hl WIHT AAAI aH FIGURE 25 G Removing the lamp module Mo bigiudehibideoeierae 7 Align the new lamp module in the correct direction WAR
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