Question about Vizio M3D650SV 65 inch Class Theater 3D Edge Lit Razor LED LCD HDTV

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My vizio TV has no power after a thunderstorm

Do we order a power board or main board

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  • Vizio Master
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A new tv

Posted on Mar 31, 2015

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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1 Answer

Vizio d55u-d1 power light comes on then fades off. No sound or picture. Replaced power supply board, nothing still.


Chances are you have a main board issue, you should have run some voltage tests before replacing the power board, its sad how many people order boards that aren't bad because they don't do the necessary testing prior to ordering boards.

Apr 27, 2018 | Vizio Televison & Video

1 Answer

My LG 65LB7100 LED Screen goes black playing video. Works for hours as a desktop pc monitor, but black when using it for youtube on the pc or directv box.


Sounds more like a main board issue than power board, did you test the power supply rails before ordering the new board?? If they were good there wouldn't have been a reason to order the power board as its working.

Mar 04, 2018 | LG Televison & Video

1 Answer

Do I need to replace my power board or main board on my Vizio M370NV tv?


If the set powers on, albeit briefly before shutting off, it could either be the power or main process board.
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Before going ahead and ordering a replacement main process board for your set's model/chassis series, check the power board and other boards to rule out any possibility of potential failures - if you find the new main board does not fix the issue - next step is to tackle the power and T-Con board(s).
~
Hopefully in your case it's just a bad main process board that's gone bad and nothing else.

Dec 31, 2017 | Vizio Televison & Video

1 Answer

32in LG TV. Sound but no picture. Flashlight test = picture. Ordered a new power supply board. Installed it & TV will not power on now. Put the old board back in & it will not power on.


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. http://electronicshelponline.blogspot.com/ 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.

Jan 28, 2017 | LG Televison & Video

1 Answer

My TV gets power and sound. The picture is on for a bit and then goes blank, then comes back on, then goes blank. What parts do I need to order to fix it?


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.
http://electro-medical.blogspot.com/
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.

May 17, 2016 | Vizio Televison & Video

1 Answer

To fix no video Vizio E470i-A0 TV


Fault to 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.

May 21, 2015 | Vizio Televison & Video

1 Answer

Fails to turn on after initially running


it could be, this problem is commonly caused by defective power supply capacitors. I will assume that the replacement board is in good working order. The main board would be the next board to replace as it can mimic symptoms of a bad power supply. Just make sure you order the exact replacement part # on the main board. DO NOT ORDER BY TV MODEL #

Nov 06, 2013 | Samsung LN46B650 46/49.5 in. LCD HDTV

1 Answer

I have a Insignia NS-L32Q-10A that will not power on. Now power on light or standby. I have replaced the power supply already. All caps look good and fuses check OK. What next???


ok, when you plug in the set, does the power light come on? Assuming you ordered a power supply in good working order, you may very well have a faulty main board. The power supply produces standby power that the main board uses to power the standby/power on light. Your main board also uses the standby power to provide the "ON" signal to turn on the rest of the power supply.

Feb 02, 2013 | Insignia NS-L32Q-10A 32 in. HD-Ready LCD...

1 Answer

Clicking from main board of our refrigerator


YES YOU WILL NEED THE MAIN BOARD THAT IS ON THE BACK OF THE FRIG YOU CAN FIND THEM FOR LESS ON EBAY

Nov 01, 2012 | Refrigerators

1 Answer

Dp50740 power led goes on and off


What you have is most likely a failed main board. These sets are known for this problem. There are several different variations of the main boards. Make sure you order one that matches yours. The main board part # will start with J4@#. The main board part # should be on a sticker either on the main board itself or on the coax input terminal casing. I hope you got the TV for a good price !!!

Sep 01, 2012 | Sanyo Televison & Video

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