Question about Vizio Televison & Video

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I have a vizio tv e420 vo. I turn the tv on shows the logo and goes away, no picture but has audio. What can I do.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 87 Answers

SOURCE: Vizio GV42L LCD TV screen black when turn TV on first time

If you are using a set top box this might be caused by turnig the box on at the same tie as you turn the tv on or slightly after you turn the tv on.  If you are using compnent or HDMI inputs the set needs to see the signal as it is turned on to know what formt the signal is in. 

Posted on Oct 23, 2007

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  • 1 Answer

SOURCE: vizio tv has audio but no picture

My vizio has the same problem, no picture with only sounds. I tried calling vizio for help but their customer service and or tech support REALLY **** big time! They tossed me around to here and there with no solutions. My only suggestion to you is that, tell everyone related to you or your friends to not ever buy vizio again. Too many people is having problems with these sucky tvs. I'm still not sure what I am going to do with mine. Maybe I'll just let it fly down from a three story building!

Posted on Aug 05, 2008

phongnv
  • 56 Answers

SOURCE: vizio p42 very dark screen backlight off

There is no back light in plasma TV, Base on the description, the Z Sustainer board is bad. Replace the board will fix the problem.

Posted on Feb 17, 2009

  • 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

budmrtn
  • 11361 Answers

SOURCE: Vizio VO420E " TURN ON, tv is showing no picture

It can be the main board, power supply, backlight inverter, etc.
You need to do some troubleshooting to narrow down the probelm, so please read my guide first.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com just make sure to use caps with low ESR, 105c rating such as PANASONIC FM or FC series.
Please post back what you find.

Posted on Nov 25, 2010

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1 Answer

TV has no picture, no sound just the VIZIO logo light is on the screen.


Did you check out the power supply for proper operation since both the audio and video are gone? If PS is good then the problem may very well be on main board.

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Hi I have a 42" vizio E420-A0 it will come on see the vizio logo then turns it self off do you know what this can be


Corrupted firmware can cause this. A firmware update will solve the problem. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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Same on all the video/audio rear inputs?

If so set may require a firmware update--talk to Vizio.

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