Lenovo C500 User Guide

							5.   
 Press the cursor buttons in this order; Down, Up, Left and Right. The Information menu appears 
again showing the lamp hours reset to zero.
Using the security slot 
The projector has a security slot, as shown. Refer to the information that comes with the lock for 
instructions on how to use it. 
 
 
 
 
Appendix A. Maintenance A-3
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							Appendix B. Troubleshooting 
The following table provides troubleshooting information for the projector. In some cases, more than one 
possible solution is provided. Tr y the solutions in the order they are presented. When the problem is 
solved, you can skip the additional solutions. 
 Problem Solution 
No image appears on the screen. v   
 Make sure your computer and projector are turned on. 
v 
 
 If the Blank screen is shown, press the Blank button on the remote 
control. 
v 
 
 Verify the settings on your notebook or desktop PC. 
v 
 
 Turn off all equipment and power up again in the correct order. See 
“Starting and shutting down the projector” on page 2-1. 
The image is blurred v 
 
 Adjust the Focus on the projector. See “Adjusting the image” on 
page 2-4. 
v 
 
 Press the Auto button on the remote control or the projector. 
v 
 
 Ensure the projector-to-screen distance is within the range specified. 
v 
 
 Check that the lens is clean. 
v 
 
 Check the image resolution of the notebook or desktop computer. 
For more information, see “Image resolution” on page 2-5. 
The image is wider at the top or bottom 
(trapezoid effect). v 
 
 Position the projector so it is as perpendicular to the screen as 
possible. 
v 
 
 Use the Keystone button on the remote control or projector to 
correct the problem. See “Adjusting the image” on page 2-4. 
The image is reversed or upside down. Check the Projection setting on the Setup menu of the OSD. See 
“Options menu” on page 5-7. 
The image is streaked. v 
 
 Set the Frequency and Tracking settings on the Setup menu of the 
OSD to the default settings. See “Navigating the OSD” on page 5-1. 
v 
 
 To ensure the problem is not caused by a connected PC’s video card, 
connect to another computer. 
The image is flat with no contrast Adjust the Contrast setting on the Quality menu of the OSD. See 
“Navigating the OSD” on page 5-1. 
The color of the projected image does not 
match the source image v 
 
 Adjust the Color Temp. and Gamma settings on the Quality menu of 
the OSD. See “Quality menu” on page 5-2. 
v 
 
 Adjust the individual colors in the User Color menu of the OSD. See 
“User color” on page 5-6. 
v 
 
 Reduce the White Peaking setting in the Advance Feature menu of 
the OSD. See “Advance Feature menu” on page 5-5. 
 
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							Problem Solution 
There is no light from the projector v   
 Check that the power cable is securely connected. 
v 
 
 Ensure the power source is good by testing with another electrical 
device. 
v 
 
 Restart the projector in the correct order and check that the Power 
LED is green. 
v 
 
 If you have replaced the lamp recently, try resetting the lamp 
connections. Make sure the lamp cover is flush with the projector 
case when closed. 
v 
 
 Replace the lamp module. See “Replacing the projector lamp” on 
page A-1. 
v 
 
 Put the old lamp back in the projector and have the projector 
serviced. 
The lamp goes off. v 
 
 Power surges can cause the lamp to turn off. Press the Power button 
twice to turn off the projector. When the Lamp Ready LED is on, 
press the Power button. 
v 
 
 Replace with a new lamp module. See “Replacing the projector 
lamp” on page A-1. 
v 
 
 Put the old lamp back in the projector and have the projector 
serviced. 
The projector does not respond to the 
remote control. v 
 
 Direct the remote control towards the front or rear remote sensors 
on the projector. 
v 
 
 Ensure the path between remote and sensor is not obstructed. 
v 
 
 Turn off any fluorescent lights in the room. 
v 
 
 Check the battery polarity. 
v 
 
 Replace the batteries. 
v 
 
 Turn off other Infrared-enabled devices in the vicinity. 
v 
 
 Have the remote control serviced. 
There is no sound. v 
 
 Adjust the volume on the remote control. See “Adjusting the 
volume” on page 2-5. 
v 
 
 Adjust the volume of the audio source. 
v 
 
 Check the audio cable connection. 
v 
 
 Test the source audio output with other speakers. 
v 
 
 Have the projector serviced. 
The sound is distorted. v 
 
 Check the audio cable connection. 
v 
 
 Test the source audio output with other speakers. 
v 
 
 Have the projector serviced.
 
 
Projector LEDs 
The LEDs on top of the projector indicates the state of the projector and can help you troubleshoot. 
 
LED 
Status/# of 
Flashes Description 
Ready Flashing Lamp not ready - do not press the power button 
1 Blower fan error 
2 Optical fan error 
3 Lamp, ballast, power or internal fan error 
 
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							LED 
Status/# of 
Flashes Description 
Power 4 System overheating 
5 System interface error 
6 Lamp error 
7 Fan error (refer ready LED status to determine which fan) 
8 Lamp cover open 
9 DLP driver error 
10 Color wheel error
   
Note: 
 If the projector LEDs flash in a manner that is not addressed above, unplug the power cable and 
contact your retailer. 
Thermal protector 
When the temperature inside the projector becomes abnormally high, the LED indicator flashes red (0.5 
seconds on/0.5 seconds off) the Standby indicator is a steady red, and at the same time the temperature 
protector operates and switches off the power of the projector. If this happens, please follow the steps 
below: 
1. 
 
 Switch off the power and disconnected the power plug from the wall outlet. 
2. 
 
 Check the temperature of the room. If the projector is being used in a location with a high ambient 
temperature, set it up in a cooler location. 
3. 
 
 Check the vent openings to make sure that they are all clear. Clean the vent openings if they are 
obstructed. 
4. 
 
 Wait at least 1 hour until the temperature of the projector drops, then plug it in again. 
5. 
 
 If you are still having the same problem, please contact your retailer.
 
Appendix B. Troubleshooting B-3
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							B-4 Lenovo C500 Projector User ’s Guide
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							Appendix C. Specifications 
Following are specifications for the Lenovo C500 projector. 
 Power consumption Normal operation < 350 watts; Eco mode operation < 250 watts 
Lamp 250W (Eco mode 200W) 
Display type TI DMD 0.7- inch, 12 deg. DDR 
Resolution XGA: 1024x768 native 
Bandwidth Up to SXGA 1280x1024 @ 60Hz 
Color 16.7 million (24-bits/pixel) 
Weight 3.55 kg (7.5 lbs) 
Projection distance 1.5 to 8 meters (4.9 to 26 feet) 
Projection screen size 0.94 to 6.1 meters (37 inches to 240 inches) 
Projection lens Manual zoom and focus 
Zoom ratio 1.22:1 
Vertical keystone correction +/- 15 
Projection methods Desktop front, rear; ceiling front, rear 
Data compatibility IBM PC or compatibles (VGA, SVGA), Mac 
HDTV Video 
Video compatibility NTSC/NTSC 4.43, PA L (B/G/H/I/M/N), SECAM 
H-sync 16.31 - 70 kHz 
V-sync 50-85 Hz 
Operation temperature 10 ~ 35 degrees 
Dimensions 32.8 x 23.8 x 8.8 cm (12.9 x 9.4 x 3.5 inches) 
Standby < 20 watts 
Noise 36 dB typical 
Audio speaker 2W mono speaker 
Input/Output connectors 
PC DVI-I, RGB in; RGB out, USB 
Video Composite video (RCAx1), S-video (mini-DIN), Component video Y, Pb/Cb, 
Pr/Cr (RCAx3) 
Audio Mini-jack in, Mini-jack out, Right and left in (RCAx2) 
Network access RJ-45 
Service/upgrades RS-232 
Security Kensington slot
 
 
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							C-2 Lenovo C500 Projector User ’s Guide
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							Appendix D. Service and Support 
The following information describes the technical support that is available for your product, during the 
warranty period or throughout the life of the product. Refer to your Lenovo Statement of Limited 
Warranty for a full explanation of Lenovo warranty terms. 
Online technical support 
Online technical support is available during the life of your product through the Lenovo Support We b 
site at http://www.lenovo.com/support. 
During the warranty period, assistance for replacement or exchange of defective components is available. 
In addition, if your option is installed in a Lenovo computer, you might be entitled to service at your 
location. Your technical support representative can help you determine the best alternative. 
Telephone technical support 
Installation and configuration support through the Customer Support Center will be withdrawn or made 
available for a fee, at Lenovo’s discretion, 90 days after the option has been withdrawn from marketing. 
Additional support offerings, including step-by-step installation assistance, are available for a nominal 
fee. 
To assist the technical support representative, have available as much of the following information as 
possible: 
v   
 Option name 
v 
 
 Option number 
v 
 
 Proof of purchase 
v 
 
 Computer manufacturer, model, serial number, and manual 
v 
 
 Exact wording of the error message (if any) 
v 
 
 Description of the problem 
v 
 
 Hardware and software configuration information for your system
If
 possible, be at your computer. Your technical support representative might want to walk you through 
the problem during the call. 
For a list of Service and Support phone numbers, see “Telephone technical support.” Phone numbers are 
subject to change without notice. For the most current phone numbers, go to 
http://www.lenovo.com/support and click Support phone list. If the number for your country or region 
is not listed, contact your reseller or Lenovo marketing representative. 
 
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							D-2 Lenovo C500 Projector User ’s Guide
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