Vidikron Vision 120 Troubleshooting Tips, Troubleshooting Chart, Symptom Possible Causes Solution

Maintenance and Troubleshooting

Table 5-1provides some general guidelines for troubleshooting problems you may encounter with the Vision 120. If the suggested solutions fail to resolve the problem or if you encounter an issue not described here, please contact Vidikron Technical Support.

Table 5-1. Troubleshooting Chart

Symptom	Possible Cause(s)	Solution
The projector does not turn on	• The VHD Controller is	• Verify the DVI-DL cable
after initial installation. The	connected to the Vision 120	connection from the VHD
power LED on the front of the	incorrectly or not at all.	Controller to the Vision 120
VHD Controller lights red after		(Figure 3-10).
you press the power button.	• The Vision 120 is not	• Ensure that the Vision 120 is
	plugged in or the AC outlet	plugged in and that the AC
	is not active.	outlet is active.
The projector and VHD	• Incorrect source selection.	• Select the correct source.
Controller are both on, but	• Source component is not	• Turn on the source.
there is no video image	turned on.
on-screen.
A projected image from a DVD	• DVD player is set to	• Turn off progressive scan
is split or otherwise scrambled.	progressive scan mode.	on the DVD player.
Image is too bright and/or	• Contrast is set too high.	• Lower the contrast setting.
lacks definition in the bright
areas of the image.

5.3

Troubleshooting Tips

Image appears “washed out”	• Brightness is set too high.
and/or dark areas appear too
bright.
Colors in the image are	• The Red/Pr, Green/Y or
swapped; for example, reds	Blue/Pb outputs from the
appear blue or vice versa.	source are connected to the
	wrong inputs on the VHD
	Controller.
Image geometry is incorrect.	• Incorrect aspect ratio
	selection.
The projector will not turn	• The projector will not turn
back on after it was powered	on for two minutes after
down, or the image disappears	power-down, to protect the
during operation.	lamp.

•Lower the brightness setting.

•Ensure that the source outputs are connected to the correct VHD Controller input.

•Select the aspect ratio that best matches the source image and screen size (refer to Table 4-1).

•Wait two minutes until the STAND-BY LED at the front of the VHD Controller turns orange.

• The lamp has failed. • Replace the lamp.

Vidikron Vision Model 120 Installation/Operation Manual 65