Question about Vizio VP42-20A 42 in. Plasma TV

1 Answer

Vizio vp422 orange light stays on wont power up

Orange light stays on. like in stand by mode, all fuses good. nothing on the boards looks bad, just wont power up

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  • Vizio Master
  • 933 Answers

I would double check the capacitors on the power supply board. Make sure you don't have any that are bulged at the tops. Secondly, when you try and turn it on, does the orange light flash at all??

Posted on Jan 22, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Raditronic
  • 196 Answers

SOURCE: plugged in orange light turno on vizio light is white no picture

possibly is the main board.

Posted on Apr 30, 2010

iseeu2
  • 4 Answers

SOURCE: vizio vw42l, the vizio light turns from ornage to

Does LCD screen backlight come on? If so proceed....
USE:CAUTION WHEN DOING THIS....
Try this if repairing yourself...find power supply, small board with no cover over it...check voltages on output pins/plug/connectors (white plugs) three in a row...
1 Plug has 24Volt supply..1 has 12Volt supply and 1 has 5Volt supply when read to ground (screw that holds board in) if you have these voltages it's a safe bet it's the main control board...I just replaced mine and it fixed a problem like yours.

Posted on Sep 02, 2009

Joe fix
  • 7 Answers

SOURCE: vizio in stand by (amber lights) mode on monitor

Does the remote have one power button for on/off .... or, does it have separate buttons ?

Posted on Jan 14, 2008

  • 92 Answers

SOURCE: my vizio vw42l no picture,no sound , the power

Yes, changing the main board should correct the problem.

Posted on Jun 16, 2009

  • 1 Answer

SOURCE: My componet/av only shows black and white on my vizio vp422

The 37" Vizio I just bought has a very confusing feature where the same input can be used as either the Y channel of the component or the full video channel for composite. If you plug a component source into the TV and then select the composite input ("AV" on the remote), you will see a black and white version of the full component signal (makes sense as the Y channel is just the luminance component). As sad as it is, I was stumped by this for a while until I happened to hit "COMP" and got full color. FWIW, the manual warns about this, but it really doesn't emphasize the point. I wonder how many returns they get because of this.

Posted on Jun 11, 2010

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That isn't a timing control board issue, see if you have PSON voltage for starters, if you do then test the various power supply voltages, it could be either the main or power board giving issues, but I would bet on the power supply is bad since the logo comes stays on

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You need to get a service manual (good luck) or begin by testing all the marked voltages out of the power supply board at TURN ON.

do any come up and instantly go to zero or very low? That is a clue where you would have to follow up.

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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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i need to register my 47" vizio tv

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