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

Page 58
Image 58
Runco PL-50DHD, PL-43DHD manual Computer/Video Signal