Runco VX-22D manual Troubleshooting Tips, Symptom Possible Causes Solution

Maintenance and Troubleshooting

Table 5-1provides some general guidelines for troubleshooting problems you may encounter with the VX-22d. If the suggested solutions fail to resolve the problem or if you encounter an issue not described here, please contact Runco Technical Support.

Table 5-1. Troubleshooting Chart

Symptom	Possible Cause(s)	Solution
The projector does not turn	• The DHD Controller is	• Verify the DVI-DL cable
on after initial installation. The	connected to the VX-22d	connection from the DHD
power LED on the front of the	incorrectly or not at all.	Controller to the VX-22d
DHD Controller lights red after		(Figure 3-7).
you press the power button.	• The VX-22d is not plugged	• Ensure that the VX-22d is
	in or the AC outlet is not	plugged in and that the AC
	active.	outlet is active.
The projector and DHD Con-	• Incorrect source selection.	• Select the correct source.
troller are both on, but there is	• Source component is not	• Turn on the source.
no video image on-screen.	turned on.
A projected image from a	• DVD player is set to	• Turn off progressive scan
DVD is split or otherwise	progressive scan mode.	on the DVD player.
scrambled.
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” and/or dark areas appear too bright.

Colors in the image are swapped; for example, reds appear blue or vice versa.

Image geometry is incorrect.

The projector will not turn back on after it was powered down, or the image disap- pears during operation.

•Brightness is set too high.

•The Red/Pr, Green/Y or Blue/Pb outputs from the source are connected to the wrong inputs on the DHD Controller.

•Incorrect aspect ratio selection.

•The projector will not turn on for two minutes after power-down, to protect the lamp.

•The lamp has failed.

•Lower the brightness setting.

•Ensure that the source outputs are connected to the correct DHD 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 LED at the front of the DHD Controller turns red.

•Replace the lamp.

Runco VX-22d Owner’s Operating Manual 61