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VIZIO SV421XVT & SV471XVT User Manual
General TV Problems Solution
the room or close to a window.
• For best image quality, view HD wide-screen programs where possible.
• If HD content is not available view “Standard Definition” from a digital source.
• Standard, analog TV will always be noticeably inferior to HD because your digital
flat pane
l TV has video that is man V so you will see
interference and deficiencies you you had.
y times better than old T
di
d not know
You cannot see a picture.
•
Make sure the power button is ON (VIZIO logo glows white).
•
Make sure AC power cord is securely connected to the AC socket.
Press the INPUT button on the remote control to • select a diffe
rent input source.
cted to the HDTV.
ur keyboard to
V and move the antenna around
•
Press the TV button on the top of the remote to return to the TV mode.
• Check the connections of external devices that may be conne
•
If your HDTV is connected to a computer, press any button on yo
“wake” your computer.
• If you are using an antenna, the signal strength of the channel may be low. Make
sure your antenna is connected securely to
the T
the room or close to a window.
You see a distorted picture or
hear unusual sound.
cent lights. If you have not mounted it on the wall, try moving your HDTV to
•
You may be getting interference from electrical appliances, cars, motorcycles, or
fluores
another location to see if this is the cause of the problem.
The picture has abnormal
patterns.
• e connections of external devices that may be connected to the HDTV.
• signal strength of the channel may be low. Make
the antenna around
Check th
•
Make sure the specifications of external devices meet the specifications of your
HDTV (i.e. resolution).
If you are using an antenna, the
sure your antenna is connected securely to
the TV and move
the room or close to a window.
The display image does not
cover the entire screen.
e
• If you are using TV, AV1, AV2 or Component with 480i input, press WIDE button
•
If you are in RGB mode (Computer), make sure that H-Size and V-Position in th
On Screen Display (OSD) are set correctly.
on the remote control to scroll through various screen modes.
You can se
cannot hear sound.
ol.
set
es that may be connected to the
e a picture but you
•
Press Volume + (Up) on the remote contr
•
Press MUTE on the remote control to make sure that MUTE is not ON.
•
Check your audio settings. The audio may be set to SAP, or the speakers are
to off.
• Check the audio connections of external devic
HDTV.
The TV has pixels (dots) that
are always dark or colored.
ion technology, •
Your HDTV is manufactured using an extremely high level of precis
however, sometimes some pixels of your HDT
V may not display. Pixel defects
within industry specifications are inherent to this type of product and do not
constitute a defective product.
You see “noise” or “trash” on
the screen.
•
When your HDTV’s digital capabilities exceed a digital broadcast signal, the signal
ting
y be low. Make
nd
is up-converted (increased) to match your T
V’s display capabilities. Up-conver
can cause noise or trash.
• If you are using an antenna, the signal strength of the channel ma
sure your antenna is connected securely to
the TV and move the antenna arou
the room or close to a window.
You switch to a different input
and the volume changes.
the •
The TV remembers the volume level from the last time you adjusted it. If
sound level is higher or lower from another source, then the volume will change.
You switch to a different input
•
The TV remembers the viewing mode from the last time you used a particular input
Version 4/16/2009 67
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