Vidikron Vision Model 90 Owner’s Operating Manual 5-1
5.1 Lamp Replacement
The lamp should be replaced when it reaches the end of its life (typically 2000 hours), or
sooner if a noticeable degradation in brightness occurs. Contact your Vidikron dealer to
obtain a replacement lamp.
1. Turn off the projector and unplug the power cord. Allow the projector to cool down for
approximately 45 minutes prior to removing the lamp assembly for replacement.
2. Loosen the four rear Lamp Cover screws and remove the cover.
3. Remove the two lamp assembly mounting screws.
4. Grasp the lamp assembly handle and pull gently, removing the lamp module from the
projector housing.
5. Install the new lamp module.
6. Replace the lamp cover and re-tighten all screws.
7. Reset the Lamp Hour counter. To do this, select Service from the Main Menu, then
Display Device, then Installation. Use the cursor buttons to highlight Reset under
“Lamp Hours” and press ENTER.
5.2 Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may
encounter with the Vision 90. If you encounter an issue not described here, please contact
Vidikron Technical Support.
5Maintenance and Troubleshooting

Table 5-1. Troubleshooting Chart

Symptom Possible Cause(s) Solution
The projector does not turn on
after initial installation. The
power LED lights red after you
press the power button.
• The Vision 90 is not
plugged in or the AC outlet
is not active.
• Ensure that the Vision 90 is
plugged in and that the AC
outlet is active.
The projector is on, but there is
no video image on-screen.
• Incorrect source selection.
• Source component is not
turned on.
• Select the correct source.
• Turn on the source.
A projected image from a DVD
is split or otherwise scrambled.
•DVD player is set to
progressive scan mode.
• Turn off progressive scan
on the DVD player.
• Connect the DVD player to
the HD/RGB 1 or HD/RGB 2
input.
Image is too bright and/or
lacks definition in the bright
areas of the image.
• Contrast is set too high. • Lower the contrast setting.
Image appears “washed out”
and/or dark areas appear too
bright.
• Brightness is set too high. • Lower the brightness
setting.