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Vizio e500i-a0 wont turn on. Tried unplugging it and holding down the power button per Vizio tech support. Tech support believes it's the power supply. Received a quote ffrom an authorized repair shop for $275. Foind the power supply board online for $30. Would rather fix it ourselves if possible. Any help would be appreciated!
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Sounds like it could either be a power board or main board issue. If you're confident in opening up your TV, replacing either boards is pretty straight forward. Just be careful unplugging any wires/ribbons. For vizio parts, you can try Vizparts
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Is there a way to check which board it would be or some diagnostic I could run? Reset. Held power button. Checked cords. Boards seen fine nothing looks off.
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Try checking the main bord out put processor to see if it is getting power. Or it might be a bad Ribon cable try shining a broth light on the screen at different angles to see if there’s a picture If there is a picture it’s the backlight driver board I’ve had a lot of problems with Visio’s dropping back like drivers
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large vizio smart tv.. worked fine, moved to another room and tv wont turn on via remote or tv buttons. unplugged tv and plugged back in and tv light comes on and fades out... tried piwer cycling, leaving unplugged for a day, etc. remote nor tv buttons do anything... BUT
BY Chance i was setting up my much older vizio tv right infront of it AND MY OLD REMOTE TURNED BOTH TVs ON... i got my new remote working once after removing/replacing batteries... my new smart tv remote and the buttons on tv still dont work
so, IM USING AN OLD VIZIO REMOTE and it works just fine... go figure...
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Vizio TVs are prone to develop power failures for one of two reasons: 1) the power board has blown some electrolytic caps, and they need to be replaced, or 2) the main board has blown one or more of six low-voltage DC regulators (AMC1117). The parts are cheap, and if you’re comfortable with disassembling the set and performing some PCB repair work, you can do it at home.
Unfortunately, schematics are impossible to find and the debug information Vizio gives out is minimal. I had to make a couple of passes on my VX32L main board to find the bad regulator. With a datasheet for the AMC1117 you can figure out which one is dead, using just a voltmeter. Have a high-wattage soldering iron ready to deal with the tin solder, and a good magnifier.
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