VIZIO GV42LFHDTV10A loud tone/buzz frozen function

Whirlpool Microwave Buzzing Loudly - ApplianceBlog

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Aug 12, 2011 - 10 posts - ‎2 authors
My Whirlpool MT4155SPS-2 microwave oven has recently started to buzz loudlywhen operated. The sound is getting louder and more frequent ...

Whirlpool making intermittent loud buzzing noise Microwave ...

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Whirlpool microwave ovens making intermittent loud buzzing noise related questions and answers. Ask your ... ...loud buzzing noise and it doesn't heat. i just tried it again and let it run for 1 minute. ... Question about Accuwave Microwave Oven.

Troubleshooting the Microwave: Potential Problems ...

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If your microwave buzzes loudly and produces no heat you probably have a defective power .... I have a whirlpool oven range and it's less than a year old. .... Humming sound stops when I open door to remove food, but when door is closed, ...

Whirlpool Microwave Ovens - Consumer Affairs

Just tried this solution for our Vizio that is several years old and it woked right away! Until today we've never had a problem with either of our Vizio LCD's

If you return it to Walmart you stand a good chance of getting it replaced. If you utilize the warranty, at best it will be repaired depending upon what the word "limited" means.
Hope this helps.

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have someone check speaker ground to the TV chassis. Your speakers are picking up reverb from the Video Signal.

I had the same issue happen to my vizio lcd just this weekend. Everyone is telling me is a bulb or backlight or something. It would explain the loud pop and no picture, but I'm not getting sound either so I'm not sure what exactly happened. Only after about 2 years too. I'm trying to find parts to just fix it myself.

Sounds like power supply problem, water could have caused it or it could've had a heart attack, leave it off for a few hours then retry (in case by some stroke of luck its water and hasn't caused major damage), if not, needs to be repaired by a pioneer agent.
Phil

You should check your home wiring and grounding. Also be aware of anything that has recently been turned on when this happens. Anyone using a microvwave, cell phone, or other appliance that might be causing the interference.

It sounds like a bad internal connection or a component failing. If the picture still is very good take it to a known good repair shop.

My microwave was totally dead. Things I discovered: 1) There is an easily replacable fuse accessed by taking off the top front vent cover (two screws on top, gently massage off) and then the inside plastic grill. UNPLUG before doing this! 2) Pop off two wires on either end of fuse holder for safety. Then pop out fuse and replace. For more extensive help, there is an evelope with a wiring diagram inside the case on the inside wall! Very helpful when diagnosing the surface lamp problem (I forgot to plug the ballast back in when I closed up the bottom).