20 Most Recent Vizio 70-inch LED Smart TV M701D-A3R 3D Razor HDTV bundle with SB4021E-B0 2.1 Sound Bar and 3D Glasses Questions & Answers

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How do i fix my smart tv

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board . In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.http://electro-medical.blogspot.com/
9/7/2021 10:22:38 PM • Vizio 70-inch... • Answered on Sep 07, 2021
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My Vizio M75-E1 appears to be in bootloop. Can it be fixed?

Boot log is stored in the EEPROM on the main board, you should be able to get a new one for $15 from shopjimmy but it's not an easy job to replace, very small SMD, if you have the equipment and knowledge to replace it that's the cheap way to get the job done. The other option is replace the main board
9/22/2021 10:44:48 PM • Vizio Televison... • Answered 3 days ago
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Vizio vs420lf1a screen flickering?

Clean the cable and connector contacts for starters, if that doesn't solve your issue try a new tcon board.
9/20/2021 9:45:13 PM • Vizio Televison... • Answered on Sep 20, 2021
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Is the backlight LED Driver for a Vizio E55-E2 LWZ2VIKT TV on the power board?

This model TV had issues with the connector going from the power supply to the LED driver board, the solder contacts on the back of the board break loose, you can either solder the contacts if you have the means to do that or order a new board. If you're able to solder it, you will need a small tip for the iron and use lots of flux or the connectors will want to flow together, flux will keep that from happening
9/19/2021 6:36:34 PM • Vizio Televison... • Answered on Sep 19, 2021
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I have a Vizio smart tv that the screen is scratched up and a Magnavox that has a nice screen that the electronic are messup would it be possible to combine them.???

No of course not. That is like saying can I take the door off a mustang and put them on a denali, both cars right?
9/17/2021 2:15:27 AM • Vizio Televison... • Answered on Sep 17, 2021
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Why does vizio tv m3221-b1 screen freeze up after 30 minutes of viewing?

I don't know the answer but your tv is actually more computer than tv and when a computer screen freezes it is usually because it has suffered a software crash and rebooting restores operation (for a while). While it is possible it is an electronic problem (something overheating perhaps) you shouldn't ignore the software possibility.
9/17/2021 2:09:52 AM • Vizio Televison... • Answered on Sep 17, 2021
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I have a digital Brinks 7 day timer, Could I connect my Vizio to this timer?

May work..long as no fire hazard
9/14/2021 4:36:00 AM • Vizio Televison... • Answered on Sep 14, 2021
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Model d70-d3. What caused backlight failure?

I'm not totally sure what your asking, does your backlights work or do they not?...you said backlights not working but you can see the LED's, the backlights are the LED lights, or are you calling the LCD diodes in the panel the LED' backlights?
9/7/2021 10:12:40 PM • Vizio Televison... • Answered on Sep 07, 2021
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Vizio 46 Screen Problem

I can tell you what's wrong but it's not good news, your panel is bad. There are 2 things you can try, on the panel board that doesn't give half a picture check all the SMD diodes and see if one is shorted, if you find a shorted one take a needle nose pliers and remove it, it will work without it, if you don't find any shorted there is one last slim chance of fixing it if it has wheat IC tabs on the side of the panel, again do this to the side that doesn't get half a picture, take a very sharp knife and cut one tab at a time at the panel, start with the top one, try the set after removing each one, if it still doesn't work go to the next one, if that doesn't and it most likely won't the TV will need to be recycled as a new panel isn't available.You will have to remove the front frame to get at the tabs, not all sets have them.
9/7/2021 1:11:09 AM • Vizio Televison... • Answered on Sep 07, 2021
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I have a Vizio model E421VL and it takes about an hour or so to warm up

The slow start is bad capacitors in the power board
9/2/2021 11:24:05 PM • Vizio Televison... • Answered on Sep 02, 2021
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Lost video on Vizio M43-C1. Seems to be a power issue

Probably the power supply is failing
9/2/2021 11:22:26 PM • Vizio Televison... • Answered on Sep 02, 2021
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Vizio tv weird pattern on screen

sounds like he mainboard, is the on screen display(volume,input) normal. Try unplugging the power cable for a while
9/1/2021 11:03:19 PM • Vizio Televison... • Answered on Sep 01, 2021
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Vizio P602ui-b3 LED TV that had a half screen of static and now won't turn on

See if you have 24 volts from the power board that feeds the LED driver board to start with
8/24/2021 5:36:56 PM • Vizio Televison... • Answered on Aug 24, 2021
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Vizio 58" E550i-B2 Backlight is out. What needs to be replaced?

This model set had some issues with the backlight driver connector solder joints, make sure those are ok first, it they're ok it's a backlight issue
8/23/2021 9:55:23 PM • Vizio Televison... • Answered on Aug 23, 2021
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Vizio p75-c1 power on but no picture

Most likely your backlights are out but trying to figure out why is more than anyone should try to figure out other than a service center as this set has 4 boards that can cause this issue. Save some frustration and take it in for repair. Also boards are somewhat expensive
8/20/2021 11:48:49 PM • Vizio Televison... • Answered on Aug 20, 2021
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Vizio model E70-E3 serial number LFTRVRAS what is the ribbon called that runs from the scan board to underneath the screen called

If they're burned the panel is bad and TV not repairable
8/19/2021 8:29:21 PM • Vizio Televison... • Answered on Aug 19, 2021
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I currently got a broken 65" vizio tv and took it upon myself to fix it. The tv turns on but im not getting any picture the only thing i get is a dim glow from the screen. Can anyone help me out?

You said "used flash light method" but never said if you could see a anything on the screen, if you can it's a backlight issue but unfortunately this model set is VERY hard troubleshoot and find out what the issue is as it has local dimming
8/19/2021 7:30:17 PM • Vizio Televison... • Answered on Aug 19, 2021
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Model M55-F0 LED TV. Why are there vertical lines and no sound?

This is a fairly common problem here with a lot of TVs. Vertical colored lines usually show on a TV screen when the T-Con board is not working correctly . Many times this can simply be caused from wiring that is not securely fastened. Other times the T-Con Board itself could be faulty and need to be replaced.
8/12/2021 2:52:51 AM • Vizio Televison... • Answered on Aug 12, 2021
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