Chapter // f/aintenance and troubleshooting, Chapter 4 maintenance and troubleshooting, Troubleshooting guide – Vizio VT470M User Manual
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VIZIO VT420M/VT470M User Manual
Chapter // f/aintenance and Troubleshooting
Maintenance
Important
1
.
2
.
Make sure that the power cable is removed from the socket before cleaning the TV.
Do not use volatile solvent (such as toluene, rosin and alcohol) to clean the TV. Such
chemicals may damage the housing, screen and remote control, and cause paint to peel.
Cleaning the Housing and Remote Control
3.
Use a soft cloth for cleaning.
4.
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 a soft 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. If the screen is heavily 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.
Troubleshooting Guide
If the TV fails to operate, 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 problem. If
the display still fails to perform as expected, contact the VIZIO for assistance by calling 1-877-698-4946
or e-mail us at [email protected].
Problem
Solution
1«
No power.
No sound.
If the screen is black.
Make sure the power button is ON (VIZIO Logo glows white),
i Make sure AC power cord is securely connected to the AC socket.
j Plug another electrical device (like a radio) to the power outlet to verify that
j the outlet is supplying power.
! Press the Volume + (Up) key on the remote control
i
Check to see if the MUTE symbol is displayed in the iower corner of the
¡screen. Press MUTE on the remote so that MUTE disappears from the
! screen
¡Check your audio settings. If TV input is selected, audio may be set to
I SAP, or speakers are set to off.
I
If external devices are selected input, check the audio connections.
I
Make sure the power button is CN (VIZIC Logo glows white).
Version 5/26/2009
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