Question about Vizio VX20L 20 in. LCD TV

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Unlock channels on a vizio 42 lcd tv. Im unable to turn the channel and it states that the channel are lock

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: channel buttons (up/down arrows)

Do an autosearch in the setup menu and that should program those buttons. Weird I know, but it worked for ours!

Posted on Jun 22, 2008

  • 1 Answer

SOURCE: Vizio 42'' LCD having intermittent fuzzy screen on stdrd channels

you might have an overheating problem- make sure you have adequate ventilation around your tv

Posted on Jan 29, 2009

  • 105 Answers

SOURCE: Unable to use PS3 on HD channel

1. Connect PS3 to your TV
2. Select the Correct HDMI input on your TV
3. Press and hold the [power] button on the PS3
4. perform setup.

These are the steps to setup the video output for the PS3, It is possible that it is set to a resolution that your TV does not support.

If this doesn't work, you may want to contact Sanyo to ask if they have some protection circuit for the HDMI input. Some manufactures TV's will deactivate(turn OFF) the HDMI input under certain conditions. Unplugging the TV or some other procedure usually turns it back ON.

Posted on Apr 29, 2009

  • 2 Answers

SOURCE: thin white static line at top of screen for some

i had the same problem and it was fixed by enlarging the picture size or v-position. works great now.

Posted on May 06, 2009

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1 Answer

ImagypsyRe:Vizio 42" LCD TV Screen randomly


You should definitely return it. It is most likely due to backlight malfunction and or backlight invereter malfunction. Either ways you should return it and demand for a replacement if its under warranty.

May 30, 2011 | Vizio 42 in. LCD TV

2 Answers

Tv channel problem


set your TV! go to menu then click auto search!

Oct 05, 2007 | Vizio P2 42 in. HD-Ready Plasma Television

1 Answer

My 42" Vizio TV turns on and says No Signal, then


push INPUT on remote, select the input source you want, keep changing channel to find a exist channel.

Mar 25, 2011 | Vizio 42 in. LCD TV

1 Answer

We purchased a Vizio 42"


This is more of a provider problem. Report the signal problems to the service you subscribe to for tv.

Mar 23, 2011 | Vizio E420VA 42 in. LCD HDTV

1 Answer

My ViewSonic N2230w 22 in has a menu locked and it cant change to a different input and im trying to unlock it but i cant i need to get it to unlock


Press the Channel + and Channel - buttons at the same time. You should see a message stating the menu is unlocking. Once it clears you can use your remote control to make any necessary changes to the TV.

Nov 06, 2010 | ViewSonic N2230w 22 in. LCD TV

1 Answer

Ive had my vizio for 4 months and just recently the volume on the same 4 channels slowly decreases til you cant hear much. With a change of the channel or a commercial the volume returns. Recently moved to...


First - connect DVD player preferably to the same input (unless you are using RF connector) and make sure that same issue does happens while you are watching movies. If it does - main board in your TV have to be replaced. If it does not - it still cable signal problem.

Aug 11, 2010 | Vizio SV421XVT 42 in. LCD TV

1 Answer

No audio on some hd channes


Try pressing the MTS button on your remote while on the channel that does not have audio and select stereo. Most likely this will be set to SAP (secondary audio programming) and there is no SAP programming on that show. This is not something that could be avoided. It was during the channel scan, it locked in the SAP audio broadcasts for some reason.

Apr 03, 2009 | Vizio VW42LF 42 in. LCD HDTV

1 Answer

Vizio 42'' LCD having intermittent fuzzy screen on stdrd channels


you might have an overheating problem- make sure you have adequate ventilation around your tv

Nov 25, 2008 | Vizio GV42L 42 in. LCD Television

1 Answer

Vizio LCD


Pretty good chance the logic board is defective. all remote and manual command go trough the logic board via a micro prosseor. If that is bad the set gets false commands. If the run number is the same on that model they probably all have the same problem.. Get another brand not made in China.

Jun 20, 2008 | Vizio GV42L 42 in. LCD Television

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