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Re: won`t turn on
Try leaving it unplugged for longer period of time. Look on the remote for any possible reset function. Try power button without the remote. If any ot these doesn't work there is a power supply module inside that malfunctioned. If under warranty contact where you purchased it. If not under warranty if you can get the module it is a simple plug up procedure.
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Try unplugging from outlet for fifteen seconds. Press the power button for a few seconds "before" plugging back in. Now plug back into the wall outlet and try turning it on to see if this reset the TV's settings.
Try to I unpluged the power, push volume and channel down, pluged power again
While it's flashing unplug your TV from the main power source for 15 seconds,Then press Valume Up and Channel Up, while holding it plug the TV back in, you should see the TV Turn on. How to Reset Your Sharp LCD TV TV Repair
you either have a faulty power supply or faulty main board. Vizio power supplies on the older sets are pretty decent. It's usually the main boards that go. These older main boards tend to be pricey so it may be better to buy a new set.
There are at least two power supplies in any set with remote capabilities; one is on any time the set is plugged into AC and is supplying that indicator and the receiving circuit of the remote, otherwise it wouldn't turn on under normal conditions.
The second power supply produces the needed service voltages used when the set is in use.
This second supply is a common failure in many sets and it is generally traceable to poor design and the use of low-quality components of a certain type.
Vizio may have a repair or exchange program through their service center.
I would guess the cost will be between $50-$150 and you might remove the back panel of the set and look for a smaller board with larger-than-average parts on it and is related to the AC cord coming in.
It should be fairly easy to remove and replace as these are often outsourced and just plugged into the rest of the set with dissimilar plugs making it simple to install and reinstall.
If your TV has a reset switch on the back, use it. If not, Unplug the TV, hold the power button down for 30 seconds, let it go and remain unplugged for another 5 minutes or so.
Plug it back in, and see what happens. Try changing the inputs/channels/etc to see what happens. If you're still having this issue, Take your TV in for repair.
- Sidenote, a $25 power bar with built in protection curcuits are the easiest way to protect your equipment from this kind of thing, and quite a bit cheaper than forking over $300 for a new TV everytime there's thinder and lighting.
Try a power drain first:
1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use. 2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on.
If this still doesn't help, you probably have a power supply or mainboard issue preventing the TV from fully powering on.
My problem turned out to be silly but simple. I recently took my TV off the wall and mounted it on a stand alone platform. I snaked the power plug through the back tube and left too much tension at the entry point for power. If you leave the slightest tension the female connector will jiggle and it will shut off. It normally takes 3 minutes before you can retry and then the problem persists. Try allowing more slack and/or buying a new power connector to make sure the plug connects correctly. Good Luck!