When trying to turn the television on it will automatically shut off and try to repower up on it on numerous times....eventually it may come on, but not always. Could there be a problem with the power switch? And is this something that I can fix or do I need to go to a repair shop?
In order to fix it yourself you will need a digital VOM meter (preferably one that can test diodes) a 25 watt soldering iron desoldering wick and a cap analyzer. Otherwise you should take it to a shop.
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I have the same issue on my Vizio M470NV. I called Vizio and they told me it is a self diagnostic test that is shutting down the TV automatically to protect it. They said they are working on fixing the issue with a firmware update that will be pushed out automatically if you are connected to the internet. No ETA given on when that would happen. I called them on the 3/14/11 and my TV is still shutting down randomly.
Ours used to do that - and then we moved it to another state with us. Since the move it doesn't shut itself off anymore. I suspect that the problem was dirt and dust inside which got knocked loose in the move and the shutdown was due to thermal limits being exceeded. You may want to try vacuuming or blowing out the dust inside if you feel comfortable opening up the unit.
Just started experiencing convergence problem with my Mits ws-65711. I have decided to try to repair on my own and have the service manual. I see also you have step by step instructions for the repair and perhaps photos of the fuses. I could really use this info if you are able to provide.Thanks in advance. I did the self check by holding in MENU and INPUT buttons and got 1 green blink followed by 2 shorter/quicker green blinks?
Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.
Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.
With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.
This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.