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Posted on May 19, 2009

Vizio LCD TV whistling

We have a brand new 55'' vizio LCD TV that when we turn on it has a whistling sound it stays on when tv is on but stops when I turn if off. Just purchsed TV yesterday. What could it be?

5 Related Answers

Dewayne Turner

  • 87 Answers
  • Posted on Oct 23, 2007

SOURCE: Vizio GV42L LCD TV screen black when turn TV on first time

If you are using a set top box this might be caused by turnig the box on at the same tie as you turn the tv on or slightly after you turn the tv on.  If you are using compnent or HDMI inputs the set needs to see the signal as it is turned on to know what formt the signal is in. 

I’m happy to help further over the phone at https://www.6ya.com/expert/dewayne_4a10eab6caecdb92

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B52Tony

Tony Nguyen

  • 96 Answers
  • Posted on May 20, 2009

SOURCE: vizio 47" lcd no picture no sound has power

this could be one of two problem. first, check if you have back light. If you do then the problem is with the M/B. Second, if you don't have back light then the inverter is bad and needs to be replace.

Anonymous

  • 1 Answer
  • Posted on Jun 23, 2009

SOURCE: no picture or sound, light comes on in the front and have to unplug tv to turn it off.

I had this exact problem on my Vizio 47" HDTV. I removed the speakers and all the screws on the back cover. Took the cover off and located the fuses on the largest circuit board. The are in the upper right hand corner of the board. There are 3 of them in a row labeled LF 1.5, LF 3.0 and LF 3.0. The are white in color with copper ends. I took a volt meter and measured continuity across all fuses individually and found the LF 1.5 to be blown. The guy at the electronics store sold me a barrel 1.5A fuse and told me to soldier it across the top of the blown fuse. It took an extra set of hands but the TV works perfectly.

denlog

  • 2 Answers
  • Posted on Dec 06, 2009

SOURCE: I need help with disassembly of Vizio GV42L LCD TV

remove all the screws and start at the bottom and push in the tabs, and work around the edges, being careful not to pry too hard, the cover has clips all around the tv. after the bottom is free and one of the corners the cover will kind of pop off if you use the palm of your hand and lightly tap as you apply sum upward pressure.

Anonymous

  • 1 Answer
  • Posted on Mar 22, 2011

SOURCE: I can get a 55-inch

I just casually looked at the TV in Menards the other day and the picture quality didn't look very good to me. To confirm my suspicions, I did a little searching. Conclusion: keep shopping

http://other-company.pissedconsumer.com/bait-and-switch-of-auria-tv-20110227224052.html

http://slickdeals.net/forums/showthread.php?t=2663641

http://www.viewpoints.com/Auria-Auria-Model-EQ5588-review-a6a511

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55 inch Vizio smart tv no video

It sounds like you may have a problem with the video signal on your Vizio 55 inch flat screen TV. The fact that the TV turns on and has sound, but no video and vertical lines on the screen, suggests that there may be an issue with the video processing or display.
It could be a problem with the T-CON board, which is responsible for the video signal processing. It could also be a problem with the LCD panel itself.
It's also possible that there's an issue with the cable connecting the T-CON board to the LCD panel, or a problem with the software on the main board.
I recommend consulting the manual of the TV or contacting the manufacturer for further assistance. A professional technician should be able to diagnose and fix the problem.
It's also possible that the issue is with the mainboard or the T-CON board is not compatible with the TV. Thus, it's best to check the compatibility of the parts with the TV before installing it.
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hi it sounds like you have a software problem could be the epprom chip on the main board this is the memory chip, you could try the service mode and do a factory reset see if this cures the problem .
here is how you get into service mode Press "Menu," and then press "2," "4," "8," "9." do not adjust anything else just select reset , you will have to retune the tv in again hope it helps

regards
shaun
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