Question about Vizio M422I-B1 42IN LED LCD Smart TV Full Arr

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Have a 42 in vizio that power light come on then go off after 3 sec. scren stay blk

Power light come on go off left with blk screen

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Most problems of this sort are caused by over-current or over-voltage / under-voltage conditions in the power supply.Current and voltage sensing circuits detect out of range conditions and send a signal to the processor chip which shuts down the television.Defective electrolytic capacitors are a major reason for this type of problem.Repair consists of removing the back of the television,locating the power supply,then finding and replacing the defective capacitors which are often bulged at the top and / or leaking.Requirements include the ability to work safely on electronic devices,knowing how to desolder and solder components correctly without causing further damage,and paying attention to details such as polarity and proper connector disconnection and reconnection.With luck you just might succeed.

Posted on Nov 29, 2014

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Posted on Jan 02, 2017

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camckay7626@yahoo.com

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