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My Vizio m422i-b1 smart tv has started to display horizontal, greenish lines that are very glitchy after being on for a few minutes. Any suggestions on how to fix this problem?

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More than likely the problem lies with the video board, it is called the T-Con board.

Posted on Dec 09, 2016

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Posted on Jan 02, 2017

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Vizio M422i-B1 TV won't turn on. Opened up and checked power supply board but the pins for the 5 volt standby power aren't connected to the cable. How else can I verify the power board is not bad?


You should have 5V on pins 15 and 16 of connector CN9100 of the power supply. If you are not getting any voltages on the connector, the power supply board is bad.

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There is a horizontal line halfway 3/4 across the screen, it's not black it's just a different color.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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Just replaced my vizio 4kUHD LED main digital board, but am still having horizontal lines causing screen distortion.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Line faults to all LCD screen are similar, irrespective of its brand and screen size.
Search the site by type in the "Brand Name" (Exclude the model number) to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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1 Answer

My vizio tv does not have audio


Check whether the audio is muted by accidental press at remote control button. Enter its sound menu, and check it. If muted, as you know there will be no audio output. If not muted, check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, 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. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/

Jul 10, 2015 | Vizio M422i-B1 42-Inch 1080p Smart LED TV

1 Answer

My apps are not working. they did in the beginning with my internet service. i need my tv replaced.


Check to see if your software is up to date. You can download from Visio and load on a flash drive. Your user manual will help you through this.

Apr 23, 2015 | Vizio M422i-B1 42-Inch 1080p Smart LED TV

1 Answer

Vizio m422i b1 power on for 3 second then cut off


Main board fault. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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1 Answer

I have a 42 in vizio that when power up the light come on n go off 3 to 5 sec later. i do not have a remort for it.


Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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1 Answer

Remote control not working


vizio remotes are junk. I have 70 inch led smart tv and both remotes are junk. I have no idea what brand is better to replace it with.,

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1 Answer

Dell HDMI cable no sound on Vizio TV


HDMI specification allows both video and audio to travel over a single cable, however, the signal source must offer both signals as well. There are instances wherein only the video is transmited. This especial true when using a computer as the source signal. In some instances a cable may be required to feed the audio into the video card. In other configurations this is acomplished through software in either the bios or control panel.

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