20 Most Recent Vizio E420-A0 42" LED TV 1920x1080, 60 Hz, HDTV Questions & Answers

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My 42" Vizio wont show any picture

backlight inverter
3/10/2016 9:01:44 PM • Vizio E420-A0... • Answered on Mar 10, 2016
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Tv stand screws

Contact the authorized dealer. They can either provide you the screws, or can lead you the place from where you can buy it. Otherwise you have to download the repair manual to this set. Its disassemble section will have these details. Gopakumar Gopalan Google
7/17/2014 4:23:11 PM • Vizio E420-A0... • Answered on Jul 17, 2014
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Vizio M557-G0 Part Number 10248401223; Serial Number LAFAQCMV No Power

This is explains the problems you face. In the case of Visio, it is time for a new set. https://www.fixya.com/support/r29790007-repairing_own_television ..
1/25/2022 1:34:44 AM • Vizio Televison... • Answered 3 days ago
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Vizio E420-A0 starts to power on, flickers, powers off

As long as you're getting the standby lamp you will see the standby voltage like you have. Vizio didn't really have issues with caps although I can't say Ive never had any bad. As far as backlights, you can see them through the back of the set with the back off but even if they're not working chances are that's not your issue as Vizio has local dimming and generally they don't all fail so I don't think backlights is your issue. I would suspect main board issues, to be more exact I think your EEPROM has bad data, it's an IC you can change if you have experience in soldering small devices as a new IC can be purchased for about $15, easy way to fix would be replace the main board and they aren't all that expensive in this model...below is a listing for one from shopjimmy, by far the best place to get boards...I wouldn't buy from ebay as in a lot of cases the boards are bad
1/19/2022 5:20:49 PM • Vizio Televison... • Answered on Jan 19, 2022
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My vizio tv m55-c2 has a ghosting menu picture on top one third of the screen, what can i do to fix my self

Try replacing the tcon board, if that doesn't fix it you have a bad panel and it's not fixable
1/17/2022 7:07:00 PM • Vizio Televison... • Answered on Jan 17, 2022
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How do I get to it sensor on a vizio television

Removing the back allows access to everything.
1/14/2022 11:56:29 PM • Vizio Televison... • Answered on Jan 14, 2022
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Code for Vizio tv e500ar on a universal Phillips remote control

Nobody buys universal remotes these days, they are so 1980. You buy a Facsimile Remote, an exact copy of the original. replacement remotes https://www.google.com/search?q=Vizio+tv+e500ar+replacement+remote There are far TOOOO many codes for Vizio! https://codesforuniversalremotes.com/remote-control-codes-vizio-tvs/ ..
1/14/2022 2:01:27 PM • Vizio Televison... • Answered on Jan 14, 2022
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A Vizio TV with no Picture and only Vizio light on front showing in Orange.... Model XVT3D554SV

Hi Tom...0980-0140-0140 is the wi-fi card for your model TV but I'm a little confused at the repair they did 2 years ago. You said the set was dead other than the vizio standby light was orange if I understand you correctly. Basically, the TV was in the standby mode, the main board was waiting for a signal from the remote IR sensor or power on button to come out of sleep mode and turn the set on. What I don't understand is how a wi-fi board replacement would repair the TV....The set can be run with this board unhooked and should power up and work ok other than you wouldn't be able to connect to the internet. Vizio is kind of a different breed of TV, they make good sets and are a good quality TV but they do things a bit different than most brands so it's possible I suppose the wi-fi card could make the set not come on. An example of them doing things a bit different is a bad IR card can cause the sound not to work, I have no idea why this is, Vizio support either doesn't know or won't tell me and getting a schematic on Vizio TV's is almost impossible to get other than some older sets. Ok...soooo...where I think your issue is at would lean towards either the power supply board or main board. The model set you have has some issues with the EEPROM on the main board having corrupt data and that will make the set stay in the standby mode, there is an easy way to test this with a voltage reading on the PS/ON pin on the power board to find if it's a power board or main isssue. You said they're giving you mixed messages on repairing it, what are they telling you the problem is with the set?
1/13/2022 5:51:19 PM • Vizio Televison... • Answered on Jan 13, 2022
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Hello. My Vizio E3D420VX needs to warm up to play. The very top of the screen comes on and then slowly, it warms to full screen. Any ideas?

Well...it sounds like the x board, y board or Tcon board. My guess is it is the X board. You can get replacements for those circuit boards online but usually is not worth the time or money to get into it that far.
1/12/2022 2:16:13 AM • Vizio Televison... • Answered on Jan 12, 2022
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Need Vizio TV E550i-B2 repair board replacement suggestion, TCON or LED driver?

This model set has local dimming and not a lot of issues with backlights failing, but it has issues with connector CN202 having bad solder joints from the factory. Chances are there isn't anything wrong with your old board other than bad solder joints and I have a feeling the replacement you got has the same issues but only a couple of them are bad making most the lamps light. If you've able to solder and have an iron you can repair it yourself, a little free advice is use a lot of flux to keep the connectors from wanting to solder together as they're quite close to each other.
1/11/2022 12:41:06 AM • Vizio Televison... • Answered on Jan 11, 2022
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Need advice in fixing Vizio TV model V585-H11 Video

It can only be a bad connection or one of the 'new' boards you put in was faulty. Start swapping back the old boards one at a time. Make sure any ribbon cables are properly seated. This Tip I wrote a while back explains the problems you face. https://www.fixya.com/support/r29790007-repairing_own_television ..
1/9/2022 9:14:04 PM • Vizio Televison... • Answered on Jan 09, 2022
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Upper right quadrant of my Vizio TV is dark!

This model had issues with cold solder connections going from the power to LED driver board, I think you will see the issues once you remove the power supply, the 2 boards plug directly into each other, its the power supply plug that gives issues
1/6/2022 4:02:10 PM • Vizio Televison... • Answered on Jan 06, 2022
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Tv screen blinking on and off

Bad LED backlights
1/3/2022 11:06:30 PM • Vizio Televison... • Answered on Jan 03, 2022
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How do I fix the side bar buttons on my TV?

Don’t bother using it. It will never come easy. It would be much easier to buy a universal remote control or a generic remote especially if the buttons don’t work right from the start. The panel is there for temporary use only otherwise it would render the tv useless without the remote control. It would be worth buying the remote. Print the manual as well.
1/2/2022 4:24:13 AM • Vizio Televison... • Answered on Jan 02, 2022
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Vizio D60-F3 doesn't work

Main board issues
1/2/2022 12:27:40 AM • Vizio Televison... • Answered on Jan 02, 2022
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