Johnny J
New User
Feb 17, 2018, 8:15 AM
Post #1 of 2
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VIZIO E400i B-2 won't turn on
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I posted on the same TV in Mar. of '17 with an intermittent problem of turning itself off, got a suggestion that the IC relies on ball-grid' connections to attach it to the board and one or more joints have become intermittent with a reference to ShopJimmy for a main board which I ordered and never had another problem until the other night when it went off and wouldn't come back on, so I installed the main board and nothing but a momentary power light then fades off. I have correct stand by voltage and other pins on power supply wanting 12 volts, which is there for a couple of seconds, I don't know what ACDET or PSON pins are, I don't know how to properly check power supply I wasn't smart enough at the time to by all 3 boards when I had the chance. Help Please Thanks
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