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Chapter 5 Maintenance and Troubleshooting
5.1 Maintenance
Important
1.
Make sure that the power cable is removed from the socket before cleaning the TV.
2.
Do not use volatile solvent (such as toluene, rosin and alcohol) to clean the TV. Such
chemicals may damage the housing, screen glass and remote control, and cause paint to
peel.
Cleaning the Housing and Remote Control
1.
Use the VIZIO soft cloth for cleaning.
2.
If the housing or remote control is seriously contaminated, use a soft cloth moistened with
diluted neutral cleaner to clean the display. Wring water out of the cloth before cleaning to
prevent water from penetrating into the housing. Wipe the display with a dry cloth after
cleaning.
Cleaning the Screen
1.
Use the VIZIO soft cotton cloth to gently clean the screen.
2.
The screen glass is very fragile. Do not scrape it with any sharp object. Do not press or tap
the screen to avoid cracking. When the screen is seriously contaminated, use a soft cloth
moistened with diluted neutral cleaner to clean the display. Wring water out of the cloth
before cleaning to prevent water from penetrating into the housing. Wipe the display with a
dry cloth after cleaning.
5.2 Troubleshooting Guide
If the TV fails or the performance changes dramatically, check the display in accordance with the
following instructions. Remember to check the peripherals to pinpoint the source of the failure. If the
display still fails to perform as expected, contact the VIZIO for assistance by calling 1-877-698-4946 or
techsupport@vizio.com
e-mail us at
Problem
No power.
No sound.
If the screen is black.
Power is ON but no screen
Version 6/2/2008
.
Solution
Make sure the power button is ON (White VIZIO Logo).
Make sure AC power cord is securely connected to the AC socket.
Plug another electrical device (like a radio) to the power outlet to verify that the
outlet is supplying the proper voltage.
Check your audio connection
Press MUTE on the remote control again, so that MUTE disappears from the screen
Check your audio settings, your TV audio may be set to SAP, min or speakers off.
Press the Volume + (Up) key on your remote control
Make sure that headphones are not connected
Check your input connections.
Make sure the video cable supplied with the TV is secured to the correct video
77
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VIZIO SV420XVT1A User Manual
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