Question about Vizio Televison & Video

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I have a Vizio M550VSE LED TV. The top left and bottom left of the screen is very dark. I think some of the LED's may be out.

I have inspected the LED driver PWB for any signs of damage but found none. Would you think replacing the LED driver PWB should be the next step?

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  • Expert
  • 169 Answers

Yes. very common with vizio. burned out board

Posted on Jan 03, 2017

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  • 2 Answers

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Posted on Jan 02, 2017

daniel719
  • 240 Answers

SOURCE: during viewing iI heard a loud pop and then the screen went blank

problem is in the power supply.

regards,
daniel.

Posted on Jan 13, 2009

  • 4 Answers

SOURCE: plasma tv has no picture but green led is on

Try unplugging the TV for a few minutes (discharges the ballast/ps) then plug in and attempt to power on. I have the 42P Vizio over two years old and ran into the same problem a few times. First thought was a power supply issue, but the unplugging trick worked. Good luck.

Posted on Apr 17, 2009

rylee_smith
  • 8619 Answers

SOURCE: vizio 42 hdtv mo picture,no sound

Hi

Thanks for using FixYa. Please check the following—

1. Is Power board output +5V?
2. Is J1 (#19 in the right diagram)connector good?
3. Is DC-DC OK, check the voltage at J1 using a multimeter.
4. Is U4 (3.3V) working ok, U4 is an IC, you’ll need an IC tester or an oscilloscope to check this IC.

After checking this if it still doesn’t work then check P3 D-sub Input (on the D-board). See this schematic for details--




35b7251.jpg




Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks

Rylee

Posted on Oct 17, 2009

  • 1 Answer

SOURCE: i also have a 32 inch vizio tv, but none of these

OUR VIZIO 32 INCH COMES ON BUT IT ONLY SAYS ON FOR ABOUT 2 TO 5 MIN AND CUTS BACK OFF AND THE POWER KEEP FLICKERING FROM GREEN TO YELLOW

Posted on Nov 23, 2010

  • 269 Answers

SOURCE: THe entire right half of

I am having a similar problem. Try reseating the ribbon cables being very careful with the clips that hold them. On the T-Con board. Sounds like either the Lcd panel screen itself or the t-con board.

Posted on Dec 31, 2010

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2 Answers

Vizio 55 inch TV "Vizio E550I-B2" is Darker on the left viewing side, replaced the Power Supply board. And the Screen is still dark on the left side. Any suggestions?


It is a common problem for this TV, it uses a Sharp LED display panel. The problem is the data buffer IC inside the panel ether shorted, or burned open.
Vizio offers a extended exchange warranty if you have the original sale slip.

For more information, you may contact Vizio directly.

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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.

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I am afraid that the dark spot in the screen is not repairable. Manage as long as you can or go for a new tv.

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Have vizio m550vse the power will turn off


Make sure all the connections are securely attached. Perform any software updates. If the TV is randomly turning off it sounds like a problem with the power board in the TV. Check you warranty limits asap.

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