Vivitek D551 User Manual

DLP Projector—User’s Manual 
– 33  – 
MAINTENANCE AND SECURITY 
Replacing the Projection Lamp 
The projection lamp should be replaced when it burns out. It should only be r eplaced with a certified 
replacement part, which you can order from your local dealer.  
Important: 
a.  The projection lamp used in this product contains a small amount of mercury. 
b.  Do not dispose this product  with general household waste. 
c. Disposal of this product must be carried out in a ccordance with the regulations of...

DLP Projector—User’s Manual 
2.  Remove the lamp 
compartment cover. 
 
3.  Disconnect the lamp connector  
1
2
 
4.  Remove the two screws from 
the lamp module. 
5.  Lift the module handle up. 
6.  Pull firmly on the module 
handle to remove the lamp 
module. 
 
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  —  

DLP Projector—User’s Manual 
 
7.  Reverse steps 1 to 6 to install 
the new lamp module.  
While installing, align the 
lamp module and ensure it is 
level to avoid damage. 
 
 
 
 
 
 
Note:  
The lamp module must sit 
securely in place before 
tightening the screws. 
The lamp connector must be 
connected properly and place 
as drawing before Lamp 
compartment cover 
installation back. 
 
Warning: 
Lamp Connector must be installed flush with the co nnector base as shown in the image below.      
A gap...

DLP Projector—User’s Manual 
Resetting the Lamp 
After replacing the lamp, you should reset the lamp hour counter to zero. Refer to the following: 
1.  Press the MENU button to open the 
OSD menu. 
2.  Press the cursor  ◄► button to move 
to the  Settings 2  menu. Press the 
cursor button to move down to 
Advanced 1  and press enter. 
3.  Press the cursor  ▼▲ button to move 
down to  Lamp Hour Reset . 
4.  Press the cursor ► or Enter button.  
A message screen appears. 
5.  Press  ▼▲◄►  buttons to reset...

DLP Projector—User’s Manual 
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Cleaning the Projector 
Cleaning the projector to remove dust and grime will help ensure trouble-free operation.  
Warning: 
1.  Be sure to turn off and unplug the projector at  least 30 minutes before cleaning. Failure to do so 
could result in a severe burn. 
2. Use only a dampened cloth when cleaning. Do not allow water to enter the ventilation openings 
on the projector.  
3. If a little water gets into the projector interior  while cleaning, leave unplugged in a...

DLP Projector—User’s Manual 
Using the Kensington® Lock & Using the Security Bar 
 
Using the Kensington® Lock 
If you are concerned about security, attach the projector to a permanent object with the Kensington 
slot and a security cable.  
 
Note: 
Contact your vendor for details on purchasing a suitable Kensi ngton security cable.  
The security lock corresponds to Kensington’s Mi croSaver Security System. If you have any comment, contact: Kensington, 2853 Campus Drive, San Mateo, CA 94403, U.S.A....

DLP Projector—User’s Manual 
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TROUBLESHOOTING 
Common problems and solutions 
These guidelines provide tips to deal with problem s you may encounter while using the projector. If 
the problem remains unsolved, cont act your dealer for assistance. 
Often after time spent troubleshooting, the problem is traced to so mething as simple as a loose 
connection. Check the follow ing before proceeding to the  problem-specific solutions. 
  Use some other electrical device to confirm that the electrical...

DLP Projector—User’s Manual 
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LED Error Messages 
ERROR CODE MESSAGES POWER LED 
BLUE 
LAMP LED 
RED 
System Initial  Flash OFF 
Ready to Power on (Standby)  ON OFF 
System Power on Flash OFF 
Lamp Lit , System stable  ON OFF 
Cooling Flashing OFF 
Over Temperature  3 blinks OFF 
Thermal Break Sensor error 4 blinks OFF 
Lamp Fail 5 blinks 0 blinks 
Lamp Temperature shut down 5 blinks 1 blinks 
Lamp Short circuit in output detected 5 blinks 2 blinks 
Lamp End of lamp life detected 5 blinks 3 blinks...

DLP Projector—User’s Manual 
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Problem: The image is reversed  
Check the  Projection setting on the  Settings 1 menu of the OSD. 
Problem: The image is streaked  
1. Set the  Frequency  and Tracking  settings on the  Image->Computer menu of the OSD to 
the default settings. 
2.  To ensure the problem is not caused by a  connected PC’s video card, connect to another 
computer.  
Problem: The image is flat with no contrast  
Adjust the  Contrast setting on the Image  menu of the OSD. 
Problem: The...

DLP Projector—User’s Manual 
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5.  Have the projector serviced. 
Problem: The sound is distorted  
1. Check the audio cable connection. 
2.  Test the source audio output with other speakers. 
3.  Have the projector serviced. 
Having the Projector Serviced 
If you are unable to solve the problem, you should have the projector serviced. Pack the projector in 
the original carton. Include a description of the problem and a checklist of  the steps you took when 
trying to fix the problem: The...