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theseadoomaster
Joined: 20 Mar 2008 Posts: 9 Location: orlando,fl
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Posted: Fri May 15, 2009 12:29 pm Post subject: Vizio l42hdtv10a - no signal and shuts off in 3 seconds |
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vizio 42 inch l42hdtv10a lcd that says no signal and shuts off after 3 seconds,any suggestions? |
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curt wolfe
Joined: 24 Feb 2009 Posts: 51
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Posted: Thu Jun 04, 2009 3:20 pm Post subject: |
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This set be in rgb setting and will shutdown. Try prshing "input" 3 times fast as soon as you turn the set on. Had one of these and this worked for me. Sometimes it may take several tries |
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quirmche
Joined: 01 Sep 2010 Posts: 1 Location: Pennsylvania
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Posted: Wed Sep 01, 2010 11:13 am Post subject: |
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I have the same exact symptoms.
I attempted the power on and rapidly pressing the input button on both the remote and the side panel and no go!
The Vizio Tech on the toll free line, said it may be stuck in rgb mode(whatever that is?). To clear this, unplug the unit and hold the power button for 30 seconds and that resets the unit.
Then reattempt the power on and rapidly press the input button.
None of this worked for me, so he said it may be either the Power Supply or the Main Board.
He refered me to the out of warranty service HDRepair. $85 they come to your home and diagnose the problem for you and provide a written estimate. (I haven't received this yet)
The repair man came opened unit and did some voltage testing and believes the Main Board is bad. He actually pointed to the large chip on the board.
Checked some sources on internet including ebay and there are used parts out there as well as new. Best price I found was $129 for the Main Board but I'm not sure if it is used or new. The Highest price was close to $400, quite cost prohibitive. (May as well get a new one!!)
Thought I would mention this and will follow up! |
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gundy
Joined: 26 May 2011 Posts: 1
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Posted: Thu May 26, 2011 3:59 am Post subject: fixed i hope 4 good |
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my vizio tv was also turning off after i had just turned it on, so i tried what curt wolfe said just it the input button several times, so i did and it works.dont know if its a temporary fix or fixed 4 good or if i have to do that input thing again. will it last or should i try and get it fixed? yes,i do have a repairman going to look at the tv, but do i need to at this time? |
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Wericwilliams
Joined: 10 Oct 2011 Posts: 1 Location: Colorado
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Posted: Mon Oct 10, 2011 8:58 pm Post subject: Fix |
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My tv did exact same thing - it IS stuck in RGV input mode (computer monitor input mode). None of the other fixes worked, so I just plugged in a monitor RGB cable to my computer and the tv RGB input and then the tv came in just fine - I was then able to change the input mode on the tv with the remote and get to correct input for my tv (hdmi 1) - problem solved. Just plug in a computer ti RGB input of tv and ut fixes it. |
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Almazan
Joined: 24 Nov 2011 Posts: 1 Location: tamaulpas
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Posted: Thu Nov 24, 2011 9:10 pm Post subject: visio L42HDTV10A |
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Hello friends, I spend the same with this type of TV.
the solution was to resolder chip U11 (MT8202AG) and it'll work great.
I wish to Thank You, greetings from Tamaulipas Mexico |
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cb
Joined: 19 Feb 2012 Posts: 1
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Posted: Sun Feb 19, 2012 6:56 pm Post subject: Re: Fix |
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Wericwilliams wrote: | My tv did exact same thing - it IS stuck in RGV input mode (computer monitor input mode). None of the other fixes worked, so I just plugged in a monitor RGB cable to my computer and the tv RGB input and then the tv came in just fine - I was then able to change the input mode on the tv with the remote and get to correct input for my tv (hdmi 1) - problem solved. Just plug in a computer ti RGB input of tv and ut fixes it. |
Thank you. I just spent 5 hours trying to get out of the RGB mode including contacting viso tech support twice and getting disconnected. These blogs are better than tech support. Your advice corrected my problem. Thanks again |
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woody4238
Joined: 19 Aug 2012 Posts: 1 Location: Redlands, CA
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Posted: Sun Aug 19, 2012 10:12 pm Post subject: RGB Connection to Computer |
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I tried everything suggested, only hooking my TV to a computer using a RGB cord allowed the TV to stay on so I could adjust to the proper setting. THANKS for the insight!!! |
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mtst73
Joined: 10 Aug 2013 Posts: 1 Location: Ct
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Posted: Sat Aug 10, 2013 11:58 am Post subject: vizio l42hdtv10a |
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I just picked up one of these today for free.same problem, found this forum and guess what? hooked it to my computer,changed the input mode and it works! I come across this model all the time. I think i will be taking them for now on! |
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padresde8
Joined: 23 Aug 2014 Posts: 1 Location: phoenix
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Posted: Sat Aug 23, 2014 3:33 pm Post subject: tv stuck in rgb mode, turns off automatically |
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I got the fix for this from Vizio tech support. Hold down the Input button on the side (or back ) of the tv WITHOUT using the power button first. After a few seconds, the tv will power on, and you will see the input menu displayed. Quickly push the "channel up" or "channel down" button to select a different input. The key here is to do this quickly, as you will only have a few seconds until the tv cycles off again. I usually have one finger on the channel up or down button before I push the input button, just to make sure I can do this before it shuts down. Works like a charm! |
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