Question about Vizio m420nv 42 in. LCD HDTV

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Vizio m420nv mirror image

When i turn on my tv, the Vizio logo appears backward

Posted by Anonymous on

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

phongnv
  • 56 Answers

SOURCE: my vizio vx32l will not turn on. vizio logo will

The main board has failed. Replace the main board will fix the problem.

By the way, where did you buy the TV? If you have bought it from Costco then try to give them a call to see if it still under warranty.

Hope this will help.

Posted on Feb 19, 2009

  • 2 Answers

SOURCE: Vizio TV turns off as soon as you turn on the TV

Transformer is bad in the ac adapater.

Posted on Mar 27, 2009

  • 8457 Answers

SOURCE: my vizio 50 inch plasma tv will not turn on. what

Tries unplug,replug about an hour,see if it reset itself.Not than must replaced the signal tuner board.Plasma have this problems alot.

Posted on Jan 08, 2010

  • 13 Answers

SOURCE: when i turn the tv on shows the vizio logo only

I had the same problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE:Look through the back vents for a white light to make sure the backlight still works. I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine. I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

For me the part number was either (depending on the vendor) : 0171 2272 2174 or it was 3632 0212 0150. Check your circuit and see if any of those numbers match up.

Posted on Jan 22, 2010

  • 13 Answers

SOURCE: Vizio TV 2006 vx32Lhdtv doesnt work.

I had the same problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE:Look through the back vents for a white light to make sure the backlight still works. I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine. I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

For me the part number was either (depending on the vendor) : 0171 2272 2174 or it was 3632 0212 0150. Check your circuit and see if any of those numbers match up.

Posted on Jan 22, 2010

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1 Answer

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I have a suggestion if you have and are using a box of some kind with this set, remove set and box from power for awhile and then power both back, sometimes a box can trigger this type of event, hope it helps and it cannot hurt to try.

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1 Answer

Mirror image - can't fix


It likely has a problem that has affected the microprocessor in some way which might be explained if you had a power outage?

I would suggest if you have not done so to unplug it for a while and turn it back on after a hour.

Also call customer service at Vizio and inquire if this is a known problem and if there is a possible software upgrade to correct and restore the set to original shape.

It can be a pain to call and wait on the phone and is hit or miss as to seeing if the person who tries to help knows what they are doing or not.

If they snap an answer "you need to take it to a shop" persist and try to talk to a technician.

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