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Which board is defective? My vizio e470i-ao will not turn on by button or with the remote

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Use a voltmeter to ensure the voltages on the power supply board are present and correct. The main board controls the on/off function. If the power supply voltages are present and correct, then replace the main board. You can get parts online from here: TV Parts Universal TV Stands DLP Chips ShopJimmy

Posted on Dec 13, 2016


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Have a question about my vizio lcd tv .., vizion model . e470i-ao .

You do have a defective LED back lights strip inside of the display panel.
You need to disassembly the panel, locate the defective one & find the part number printed on it, order a new & replace it (Them).
The LED is in serial connection, if one is open, the whole strip will not light up, if one is shorted, the strip will light up, but will causes over drive current to other LED & burn out more LED diodes.
The newer LED TV is designed for 2-3 years life time, our suggestion is that change all of the strips, otherwise you have to do the replacement strip job very soon.

Feb 12, 2018 | Vizio Televison & Video

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What is wrong with a tv it has sound but no picture vizio model #E470i-ao

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 [SMPS]. 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

Apr 15, 2016 | Vizio Televison & Video

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How to fix Multi color Vertical Lines on a Vizio E470i-AO TV

Does the menu function display the same lines? What kind of cables are using ? (HDMI, Component vid, S-video, co-ax)
Were you as tenacious checking all cables/connections as you were the electronics? Lets rule out this all too often over-looked possibility.
Do you still get the lines with nothing connected to the TV? (no source connected)

Feb 28, 2016 | Vizio E-Series E470I-A0 47" LED TV...

1 Answer

How to fix my led screen, it has no picture i have purchase and replace the led driver.

Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
Command voltage to switch ON the LED driver section, should come from the main board's system control section. It do not come now.

Aug 07, 2015 | Vizio Smart TV keyboard remote control for...

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Vizio e470i-ao won' turn on, power supply board replaced still no picture or sound, led power on indicator light comes on momentarily then goes out?

Power ON signal voltage should come from the main board to power regulator board. It does not come now. Check for the reason. Probably, the main board will have the fault. Contact any service technician.

Jul 23, 2015 | Vizio Televison & Video

2 Answers

Vizio e470i-ao no picture just sound what part do i need

Measure all the voltages coming off the power supply board first. Then move to the board that controls the picture. This board has one or two wide flat flexible cables running form it to the bottom of the screen.
TV Parts Universal TV Stands DLP Chips ShopJimmy You can get all the parts you need here.

Jun 05, 2015 | Vizio Televison & Video

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