Runco CX-46HD Manual Do Utilizador

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Runco CX-40HD/CX-46HD Owner’s Operating Manual
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5.1 
Troubleshooting Tips
Table 5-1 provides some general guidelines for troubleshooting problems you may 
encounter with the Crystal Series LCD Display. If the suggested solutions fail to resolve the 
problem or if you encounter an issue not described here, please contact your Runco 
dealer or Runco Technical Support.  
5. Maintenance and Troubleshooting
Table 5-1. Troubleshooting Chart 
Symptom
Possible Cause(s)
Solution
The display does not turn on 
after initial installation. 
• The  Crystal  Series  LCD 
Display is not plugged in or 
the AC outlet is not active. 
 
• The  remote  control 
batteries have run out. 
• Ensure that the Crystal 
Series LCD Display is 
plugged in and that the AC 
outlet is active. 
• Replace the batteries. 
The display is on, but there is 
no picture. 
• Incorrect source selection. 
• Source component is not 
turned on. 
• Source component is 
connected incorrectly or 
not at all. 
• Select the correct source. 
• Turn on the source 
component. 
• Check video connections 
to source component. 
Picture is okay, but there is no 
sound. 
• Audio output is muted. 
 
• Volume setting is too low.
• Source component is 
connected incorrectly or 
not at all. 
• Speakers are connected 
incorrectly or not at all. 
• Audio settings are 
incorrect. 
• Press the MUTE button 
on the remote control. 
• Turn up the volume. 
• Check audio connections 
to source component. 
 
• Check  speaker 
connections (Figure 3-8). 
• Check the following 
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. 
Black or white dots appear on 
all channels or a specific 
channel.
• Antenna or cable TV 
source is connected 
incorrectly or not at all. 
• Broadcast signal is weak. 
• Check the antenna or 
cable TV connection. 
 
• If using an off-air antenna, 
adjust its position or 
location.