Runco VX-8D Troubleshooting Tips, Troubleshooting Chart, Symptom Possible Causes Solution

Maintenance and Troubleshooting

5.2

Troubleshooting Tips

Table 5-1provides some general guidelines for troubleshooting problems you may encounter with the VX-8d. 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 HDMI-DVI cable
on after initial installation. The		connected to the VX-8d		connection from the DHD
power LED on the front of the		incorrectly or not at all.		Controller to the VX-8d.
DHD Controller lights red after	• The VX-8d is not plugged		• Ensure that the VX-8d is
you press the power button.		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.
Image is too bright and/or	• Contrast is set too high.		• Lower the contrast setting.
lacks definition in the bright
areas of the image.
Image appears “washed out”	• Brightness is set too high.		•	Lower the brightness
and/or dark areas appear too				setting.
bright.
Colors in the image are	• The Red/Pr, Green/Y or		• Ensure that the source
swapped; for example, reds		Blue/Pb outputs from the		outputs are connected to
appear blue or vice versa.		source are connected to		the correct DHD Controller
		the wrong inputs on the		input.
		DHD Controller.
Image geometry is incorrect.	•	Incorrect aspect ratio	• Select the aspect ratio that
		selection.		best matches the source
				image and screen size
				(refer to Table 4-1).
The projector will not turn	• The projector will not turn		• Wait two minutes until the
back on after it was powered		on for two minutes after		LED at the front of the
down, or the image disap-		power-down, to protect		DHD Controller turns red.
pears during operation.		the lamp.
	• The lamp has failed.		•	Replace the lamp.

70 Runco VX-8d Installation/Operation Manual