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Vizio Mod. VP422HDTV10A No Power

I have the 5 volts at Mainboard (Fuse F4)

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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micromatikal
  • 2777 Answers

SOURCE: i have a vizio modle

Wow, if you had more than one component fail, which it sounds like you did, you are in for a whole of hurt so to speak... Chances are many components in the TV either failed at the same time (due to the power going out from the power board and probably "frying" other components), or at least we affected by it. Most likely you will have some major issues with the TV even if you get it back up and running.

Wait I just re-read the problem, you said you had no problem with power, and then you say "now i have power but no video" which indicates that before you didn't have power.

Please confirm, do you think you have more than one component that has failed?

Thanks
Tim

Posted on Sep 21, 2010

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rulds2008
  • 3866 Answers

SOURCE: i have a vizio model

This would confirm a power board componet failure , I would suggest you change that out for the fix. I recommend shop jimmy.com or partstore.com I sure wish you best of luck with your repair, do ask that you please leave some feedback, ratings for your free advise. Regards Rulds2008

Posted on Aug 18, 2011

protvrepair
  • 153 Answers

SOURCE: Relay clicks when applying power. Yellow light

Amber light on means standby voltage is high. IF amber light does not go white when power button is pushed the its one of two things.
A. No power on command from main board. Usually labeled PS-On. Should go high from 3.3v or maybe 5volts. If not present Main is defective.

B. If the ps-on line is going high then your problem is a defective power supply.

Posted on Oct 15, 2013

SOURCE: Hi,I have a Vizio VP422HDTV10A.I have checked all

11.86v on a 12v rail is acceptable. Is this a plasma or LCD?

Posted on Nov 03, 2013

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I have a Vizio VP422HDTV10A tv that is dead. My local power company dropped a power line on the one leading to my house and tv has not worked since. When I plug the tv in, I can hear the relay click and...


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I have a vizio model number vp422hdtv10a and it keeps blowing a fuse everytime i plug it in. do i need a new power supply?


This would confirm a power board componet failure , I would suggest you change that out for the fix. I recommend shop jimmy.com or partstore.com I sure wish you best of luck with your repair, do ask that you please leave some feedback, ratings for your free advise. Regards Rulds2008

Aug 18, 2011 | Vizio L32 32 in. LCD HDTV

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Have a vizio vx 42l on the bench. amber light only no power up have my standby 5vdc and my 3.3vdc power button is sending a high pulse to the main mod but i dont get pson to the power supply mod suspect...


This is your mainboard needing replaced! Simple as that!

The main sends the pson signal and without it...you have a dead tv.


Please rate if this helped :)

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Vizio vp422hdtv10a plasma tv will not turn on. Made kind of a real loud click and shut off and will not turn on again. Removed back, fuses don't appear to be blown. Circuit boards don't appear to have any...


Good call checking the fuses first. Next I would try replacing the power-board. If you have a volt-meter you can test it first, but BE CAREFUL as it would require having the TV plugged in.
The power-board is the one with the most large components on it, like transformers (coils of wire) and capacitors (tin-can looking things). The board itself will be much smaller then the main board, and may be the first place the power cord leads to.
The good news is that this is probably the cheapest component in a TV to replace (besides a fuse that is). Check online.

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