Different part/board numbers we service. Symptoms of a bad main board : LED on the frame blinks as soon as the TV is plugged in, but never stops blinking. LED on the frame blinks 20 times or so once the power button is pressed but the TV never turns on. Pressing the power button a second time only makes it blink again. HDMI inputs are missing. How does this REPAIR SERVICE work? We process the package once it arrives. Once your board has been fixed, we will test it in a live TV set to ensure quality! We will visually inspect the package and board upon arrival and note down any damage and take pictures if need be. Do you work on boards that have been fixed or reflowed before? We sure do, but you must message us with details prior to placing an order. What if my symptom isn’t one of the symptoms in your listing? We are able to repair symptoms not listed, but you must message us prior to placing an order. What happens if you can’t fix my board? What if you receive my board in working condition and it passes your tests? The item “Premium Mail-in Repair Service For Vizio E422VA Main Board 1 YEAR WARRANTY” is in sale since Sunday, June 18, 2017. This item is in the category “Specialty Services\Restoration & Repair\Electronics”. The seller is “nickstvs” and is located in Tucson, Arizona. This item can be shipped worldwide.