Compaq IPAQ Microportable Projector MP3800 Users Guide

							Care and Maintenance
Compaq iPAQ Microportable Projector MP3800 User’s Guide7–3
Replacing the Projector Lamp Module
ÅWARNING: When the lamp reaches its end of life, it may pop or 
rupture. To reduce the risk of personal injury, be careful when removing 
the lamp cover as broken glass may be present. Never open the lamp 
cover while the projector is operating or when the lamp is hot.
The projector will alert you when the lamp approaches its failure 
mode or end of life. When the message “Lamp May Fail Soon. 
Replacement Suggested” displays on the projection screen, you 
should change the lamp as soon as possible. Contact your local 
Compaq authorized dealer, seller, or reseller to purchase a spare 
lamp or have the lamp changed. To locate a reseller near you, 
refer to the Worldwide Telephone Numbers booklet that came 
with your projector. You can also purchase a lamp directly 
through 
http://www.compaq.com/products/projectors.
Follow these steps to replace the projector lamp module:
1. Turn off the projector by pressing the 
Power/Standby button on 
the top of the projector.
2. Allow the projector to cool down for at least 30 minutes.
ÅWARNING: The lamp assembly operates at a very high temperature. To 
reduce the risk of personal injury, allow the projector to cool down for at 
least 30 minutes before opening the lamp cover. Never open the lamp 
cover while the projector is operating or when the lamp is hot.
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							7–4Compaq iPAQ Microportable Projector MP3800 User’s Guide
Care and Maintenance
3. Disconnect the power cord.
4. Use a coin to remove the screw 
1 from the lamp cover.
5. Remove the cover 
2.
ÅWARNING: To reduce the risk of personal injury, do not drop the lamp 
module or touch the glass bulb. The glass may shatter and cause an 
injury if it is dropped.
Reverse the previous steps to replace the lamp module.
ÅWARNING: The lamp contains < 0.125% mercury by weight. If the 
projection lamp breaks, the mercury may be released into the 
atmosphere. Please follow applicable federal, state, and local 
regulations for disposal and/or recycling.
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							Care and Maintenance
Compaq iPAQ Microportable Projector MP3800 User’s Guide7–5
After the lamp module has been replaced, reset the lamp hours in 
the on-screen display menu to prevent the “Lamp May Fail Soon. 
Replacement Suggested” message from appearing again. To reset 
the lamp hours:
1. Be sure the projector is turned off.
2. Make sure all connections except the power cable are 
disconnected.
3. Press and hold the 
Menu button on top of the projector while 
turning the projector on.
4. Connect the VGA cable to the projector. “Service” will now 
be displayed as an option in the Main menu.
5. Select Service and press the 
Menu button on the top of the 
projector.
6. Select Reset Lamp Hours from the Service menu and press 
the 
Menu button.
7. Select Yes from the Confirm Reset menu and press the 
Menubutton.
8. Select Save and Return.
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							Compaq iPAQ Microportable Projector MP3800 User’s Guide8–1
8
Troubleshooting
Troubleshooting
Problem Solutions
Image does not appear on the 
projection screen.1. Make sure the projector is 
powered on.
2. Ensure the lens cap has been 
removed.
3. Press the 
Power/Standby button 
again.
4. Ensure that the power cable is 
securely connected.
5. Ensure the pins on the connectors 
are not crooked or broken.
6. Turn off or disable the notebook or 
desktop computer screen saver 
function.
7. Ensure the projector lamp has been 
securely installed.
8. Ensure your notebook computer’s 
external video port is turned on. On 
some notebooks, for example, toggle 
the 
Fn + F4 function keys.
Activate CRT/LCD “ON” at the same 
time. To identify any alternate 
function keys to be used, refer to 
your notebook computer’s user 
manual.
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							8–2Compaq iPAQ Microportable Projector MP3800 User’s Guide
Troubleshooting
Scrolling, cut-off, or incorrect 
image displayed.1. Press the Resync button.
2. Turn everything off, then power on 
the projector first and power on the 
notebook or desktop computer 
second.
3. If the above steps do not correct the 
display image, adjust the resolution 
of the notebook or desktop computer 
to 1024 x 768.
4. Access the OSD and ensure the 
Zoom mode is set to 1. For more 
information on using the OSD, refer 
to Chapter 3, “Using the On-Screen 
Display Menu”
Image is flickering or unstable. Press the 
Resync button on the 
projector panel to adjust the tracking. If 
that does not stop the flickering, adjust 
the Clock Phase function in the Image 
Control menu.
Troubleshooting (Continued)
Problem Solutions
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							Troubleshooting
Compaq iPAQ Microportable Projector MP3800 User’s Guide8–3
Notebook computer or iPAQ 
Pocket PC screen is not displaying 
the presentation.Notebook computer:
Most notebook computers have a monitor 
loop-through or simultaneous viewing 
function. Press the 
Fn + F4 function keys 
on the notebook computer to switch the 
image from the notebook screen to the 
projection screen or to toggle through the 
following three options:
1. LCD: Output displays only on the 
notebook screen.
2. CRT: Output displays only on the 
projection screen.
3. CRT/LCD: Output displays on the 
notebook screen and the projection 
screen.
Activate CRT/LCD “ON” at the same 
time. To identify any alternate function 
keys to be used, refer to your notebook 
computer’s user manual.
Mac PowerBooks:
1. To control video mirroring, click 
Control Panel > Display, then set 
Video Mirroring to ON for both 
internal and external viewing.
2. Set Video Mirroring OFF for image 
on external monitor only or internal 
only, depending on monitor selection 
in Monitors.
Troubleshooting (Continued)
Problem Solutions
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							8–4Compaq iPAQ Microportable Projector MP3800 User’s Guide
Troubleshooting
Image is out of focus. 1. Adjust the Focus Ring on the 
projection lens.
2. Make sure the projection screen is 
within the required distance (3.7 to 
40.7 feet, 1.1 to 12.4 meters) from 
the projector.
3. Check the projection lens to see if it 
needs cleaning. Follow the “Cleaning 
the Lens” procedure in Chapter 7 to 
clean the lens.
Projected colors do not match 
computer or camcorder color.1. Adjust the Brightness, Contrast, or 
Color functions in the on-screen 
display menu. Refer to Chapter 3, 
“Using the On-Screen Display Menu” 
for more information.
2. Make sure the pins on the cable 
connectors are not bent or broken.
Black or gray border visible 
outside the usable area of the 
projection screen.The black border surrounding the active 
area of the projection screen is part of 
the total projected image; however, it is 
an inactive area and cannot display any 
part of the image. This black border 
reduces the amount of extraneous light, 
producing a cleaner, sharper image.
When the projector is in HDTV 
mode, the colors are incorrect.Access the on-screen display menu, 
select A/V & HDTV Control, select Color 
Space, then change to the correct color 
space. Refer to Chapter 3, “Using the 
On-Screen Display Menu” for more 
information.
Troubleshooting (Continued)
Problem Solutions
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							Troubleshooting
Compaq iPAQ Microportable Projector MP3800 User’s Guide8–5
Only the Compaq startup screen 
displays.1. Check that the cables are connected 
securely.
2. Verify that the proper input source is 
connected.
3. Make sure your notebook 
computer’s external video port is 
activated.
A blue screen displays on the 
projection screen when a 
videocassette recorder, DVD 
player, or other video source is 
connected to the projector.1. Check the Play or TV/Video buttons 
on the video source.
2. If that does not work, refer to the 
owner’s manual that came with the 
video source.
Screen is dimmer than normal. The projector is in lamp saver mode. 
Press the lamp saver button on the top of 
the projector to turn lamp saver on or off. 
If the LED is green, lamp saver is on. If 
the LED is not lit, lamp saver is off.
Lamp shuts off. 1. If the Standby LED flashes green 
rapidly, the projector has overheated 
and will automatically shut down. 
Wait five to ten minutes until the LED 
stops flashing and the 
Power/Standby button turns amber 
before restarting the projector again.
2. A minor power surge may cause the 
lamp to shut off. Wait a few minutes, 
then turn it back on.
3. When the lamp has reached the end 
of its life, the system will 
automatically turn off to prevent 
possible lamp rupture. Replace the 
lamp as described in the “Replacing 
the Projector Lamp Module” section 
of Chapter 7.
Troubleshooting (Continued)
Problem Solutions
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							8–6Compaq iPAQ Microportable Projector MP3800 User’s Guide
Troubleshooting
Lamp burns out or makes a 
popping sound.When the lamp reaches its end of life, it 
will burn out and may make a loud 
popping sound. If this happens, the 
projector will not turn back on until the 
lamp module has been replaced. Contact 
your local Compaq authorized dealer, 
seller, or reseller to purchase a 
replacement lamp module. To replace the 
lamp, follow the procedures in the 
“Replacing the Projector Lamp Module” 
section of Chapter 7.
Projector suddenly shuts down 
and the power button LED blinks 
rapidly.An over-temperature event has been 
detected. This usually occurs when either 
the airflow to the unit has been 
obstructed or a fan has failed. If airflow is 
obstructed, remove the obstruction, 
unplug the projector, re-plug the 
projector, and restart. If a fan has failed 
or an over-temperature event occurs a 
second time, have the projector serviced 
or repaired.
Speaker does not operate. 1. Make sure the audio cable is 
correctly connected to the projector 
and the audio source.
2. Make sure the audio source is 
operating properly.
3. Make sure the 
Mute button on the 
audio source is off.
Troubleshooting (Continued)
Problem Solutions
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							Troubleshooting
Compaq iPAQ Microportable Projector MP3800 User’s Guide8–7
Remote control does not operate. 1. Ensure the remote control is pointed 
at the sensor and is within 21.0 feet 
(6.4 meters) of the projector.
2. The battery may need to be 
replaced.
3. Verify that the battery is installed 
properly.
Compatibility issues with 
equipment attached to the 
projector.Contact your Compaq authorized service 
provider or call Compaq Customer 
Support for help. Refer to the 
Worldwide 
Telephone Numbers
 booklet included in 
the projector documentation kit for a 
complete list of customer support 
numbers to call.
Image size is too small or too 
large.1. Adjust the digital zoom or move 
the camera until the image is the 
desired size.
2. The projector may be set to display 
in the center of the display area 
without any expansion. To change 
the setting, access the on-screen 
display menu, select A/V & HDTV 
Control, select HDTV/Video, then 
select how the image should be 
shown in the display area. Refer to 
Chapter 3, “Using the On-Screen 
Display Menu” for more information.
Troubleshooting (Continued)
Problem Solutions
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