Справочник Пользователя для VIZIO D28h-C1

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Troubleshooting & Technical Support
54
The TV has pixels (dots) that are always dark.
•  Your HDTV is precision-manufactured using an extremely 
high level of technology. However, sometimes pixels may 
not display correctly. These types of occurrences are 
inherent to this type of product and do not constitute a 
defective product.
The display image does not cover the entire screen.
•  Some programs have black bars on the top or sides of 
the picture so that the picture keeps its original shape. 
Examples include wide-screen movies and older television 
programs.
•  Press the 
WIDE button on the remote to change the width 
of the image. See 
•  Adjust the video settings of the device that is the source of 
the video (Blu-ray player, DVD player, cable or satellite box, 
etc.).
When I change input source, the display image changes size.
•  The TV remembers the viewing mode on each input source. 
If the viewing mode on the new input source differs from 
the one on the input source you switch from, the difference 
may be noticeable.
•  See 
There is no sound.
•  Press 
Volume Up on the remote control.
•  Press the 
MUTE button on the remote to ensure mute is off.
•  Check the audio settings. See 
•  Ensure no headphones are connected to the TV.
•  Check the audio connections of external devices (Blu-ray 
player, game console, cable/satellite box) that are 
connected to the TV.
•  If you are using an antenna, the signal strength of the 
channel may be low. Ensure your antenna is connected 
securely to the TV and move the antenna around the room 
or close to a window for the best signal.
When I change input source, the volume changes.
•  The TV remembers the volume level on each input source. If 
the volume level on the new input source is higher or lower 
than the level on the source you switch from, the difference 
may be noticeable.
•  Use the 
Volume Up/Down buttons on the remote to adjust 
the volume.