Runco PL-50DHD, PL-43DHD manual Computer/Video Signal

Maintenance and Troubleshooting

Table 5-1. Troubleshooting Chart (continued)

Symptom		Possible Cause(s)		Solution
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.
	• The Red, Green or Blue		• Ensure that the DHD
		(analog) outputs from the		Controller outputs are
		DHD Controller are		connected to the correct
		connected to the wrong		inputs on the PlasmaWall.
		inputs on the PlasmaWall.
RGB-HD images appear	• Clock and Phase settings		• Adjust Clock and Phase
“noisy.”		need adjustment.		settings (refer to ISF Night
				- Input Color on page 41).
“Out of range” appears	•	The resolution and	•	Select a compatible
on-screen.		frequency of the video		resolution and vertical
		card in the computer are		frequency (refer to
		not compatible with the		Computer/Video Signal
		PlasmaWall.		Compatibility on
				page 59).
The image is too large or too	•	Image size needs	• Adjust the image size (refer
small.		adjusting.		to Input Position on
				page 39).

48 Runco PL-43DHD and PL-50DHD Owner’s Operating Manual