Runco rs 440lt 用户指南

Table 5-1 provides some general guidelines for troubleshooting problems you may 
encounter with the RS-440. If you encounter an issue not described here, please contact 
your Runco dealer or Runco Technical Support. 

The projector does not turn 
on after initial installation. 

• The RS-440 is not plugged 

in or the AC outlet is not 
active. 

• The  remote  control 

batteries have run out. 

• Ensure that the RS-440 is 

plugged in and that the AC 
outlet is active. 

• Replace the batteries. 

The projector is on, but there 
is no video image on-screen. 

• Incorrect source selection. 
• Source component is not 

turned on. 

• Select the correct source. 
• Turn on the source 

component. 

A projected image from a 
DVD is split or otherwise 
scrambled. 

• DVD player is set to 

progressive scan mode. 

• Turn off progressive scan 

on the DVD player. 

• Connect the DVD player to 

the Component input. 

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. 

• Brightness is set too high. 

• Lower the brightness 

setting. 

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

• The  Red/Pr,  Green/Y  or 

Blue/Pb outputs from the 
source are connected to 
the wrong inputs on the 
RS-440. 

• Ensure that the source 

outputs are connected to 
the correct RS-440 input. 

RGB-HD images appear 
“noisy.”

• Clock and Phase settings 

need adjustment. 

• Manually adjust Clock and 

Phase settings, or perform 
an Auto-Tune (refer to 
YUV/RGB Adjust on 
page 49).

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

• The projector will not turn 

on for two minutes after 
power-down, to protect 
the lamp. 

• The lamp has failed or was 

improperly installed. 

• Wait until the cooling fan 

stops. 

 

 

• Replace or re-install the 

lamp.