Re: Vizio P55-C1 : No video and sound

Here's a picture of the powerboard , mainboard and a general view of the Tv...

Hello everyone ,

I'm having issue with my P55-C1. When pressing the power button the white led come ON , but there's no image or sound. I can see the led strips turning ON for some time and then they turn back off , this cycle goes on until I unplug the TV. I would say 15 seconds ON , 30 seconds OFF

I also noted that when the led strips are ON , there's a buzzing noise coming from the powerboard

After removing the backplate , I checked with a multimeter the voltage on the connector going from the powerboard to the mainboard , all pin label 19v had...

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