Maintenance and Troubleshooting

Table 5-1. Troubleshooting Chart (continued)

Symptom

Possible Cause(s)

Solution

 

 

 

Picture is okay, but there is no •

Audio output is muted.

• Press the MUTE button

sound.

 

on the remote control.

• Volume setting is too low.

• Turn up the volume.

Source component is

• Check audio connections

 

connected incorrectly or

to source component.

 

not at all.

 

 

 

 

Image is too bright and/or lacks definition in the bright areas of the image.

• Contrast is set too high.

• Lower the contrast setting.

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.

Brightness is set too high.

Incorrect color space setting.

The Pr, Y or Pb outputs from the source to Input 4 on the CinemaWall are incorrect.

• Lower the brightness

setting.

• Select the correct color

space (refer to Color

Space on page 40).

• Ensure that the YPbPr

(component) source

output connections to

Input 4 are correct (see

Figure 3-7).

RGB-HD images appear

• Frequency and Phase

“noisy.”

settings need adjustment.

• Manually adjust Frequency

and Phase settings, or

perform an Auto Setup

(refer to Screen on

page 38).

One of the following error messages appears on-screen:

CAUTION

OUT OF RANGE

CAUTION UNSUPPORTED SIGNAL

SIGNAL NG

The resolution and frequency of the video card in the computer are not compatible with the CinemaWall.

Select a compatible resolution and vertical frequency (refer to

Computer/Video Signal Compatibility on page 70).

The image is too large or too

Image size needs

• Adjust the image size (refer

small.

 

adjusting.

to Screen on page 38).

 

 

 

 

One of the following error

Ambient temperature is

• Turn off main power.

messages appears

 

too high.

Remove any objects

on-screen:

 

 

blocking the cooling vents

WARNING

 

 

on the CinemaWall and/or

 

THERMAL ALERT

 

 

clean the vents.

 

SHUT DOWN (**)

 

 

 

WARNING

Cooling fan has

• Immediately turn off

 

FAN FAILURE

 

malfunctioned.

power, remove the power

 

SHUT DOWN (**)

 

 

plug from its outlet, and

(“(**)” represents a two-digit

 

 

consult your Runco dealer.

error code.)

 

 

 

52 Runco CinemaWall SP-42/-50/-60 Owner’s Operating Manual

Page 62
Image 62
Runco SP-60, SP-42, SP-50 manual OUT of Range Signal NG, Thermal Alert, Shut Down, FAN Failure