Question about Vizio Televison & Video

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Vizio e420vo will not stay on

When I turned the tv on, the logo changes from orange to white...the logo appears on the screen, then it goes off. not sure why. The back light does come on. Can u help?

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  • Vizio Master
  • 33,359 Answers

It is likely that there is a problem with the video power supply if, as you say, the back light is working

Posted on Jul 26, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

djchillsnyc
  • 151 Answers

SOURCE: Power is there, but TV won't turn on

stored voltages are high no touching these circuts becuase they hold charges and alot of screws.
fualty capacitors you say after a while it stays on theres a full charge in the unit theres some type of discharging effect on the set after its off for a while. voltage goes to low or unstable after it is off for a while. your better off getting the service docs for this set if you want to diy..other wise get a tv tech to check it for you. hope this helps

Posted on Jun 25, 2009

SOURCE: vizio vw42lhdtv10a 42

check out the power supply board! Look for popped capacitors. They either leak or swell up. They are the can shaped things on the board with the plastic coverings on them...you can usually see a swollen cap sticking up over its covering as a telltale sign.

Good luck and be careful

Posted on Mar 16, 2010

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

Sebin
  • 712 Answers

SOURCE: Model VS42LFHDTV10A. The TV is

This may be the problem of relay switches. It can be replaced to eliminate such errors.

Posted on Sep 11, 2010

ginko
  • 19396 Answers

SOURCE: VIZIO GV42LHDTV Got TV after

Hi.

If the TV does not start with the new audio board, and if it does start with the old one, then the audio board that you recently purchased is defective.

About the board : 0500-0507-0230; that is the power board (PSU). If you could see the Vizio logo, that means that TV started, and that the power board was OK without need for testing. When the power board is defective, either the TV does not give any sign of life, or the TV goes in standby mode from start and does not wake up. In that case the led stays blinking to warn you that there is an incorrect voltage from PSU.

If the TV is freezing with Vizio logo, that means that at most the faulty part is the main board.

Also, you say that there is no backlight. No backlight means that the screen is completely dark. If there is no backlight you won't be able to see the logo or any other picture.If there is no backlight, then the problem is usually the inverter.

Here a brief article summarizing how to test PSU and inverter: How to test an LCD TV.

Here all parts for this model:GV42LHDTV.

Regard.

Ginko.

Posted on Feb 11, 2011

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Power is there, but TV won't turn on


stored voltages are high no touching these circuts becuase they hold charges and alot of screws.
fualty capacitors you say after a while it stays on theres a full charge in the unit theres some type of discharging effect on the set after its off for a while. voltage goes to low or unstable after it is off for a while. your better off getting the service docs for this set if you want to diy..other wise get a tv tech to check it for you. hope this helps

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