Item is not for Sale, send in your old board for REPAIR and RETURN service. Symptoms of a bad Main board we can fix. HDMI don’t work but TV turns on fine. No signal appears regardless of what is plugged in. No sound out of the HDMI ports. TV does not turn on. Vizio Logo keeps blinking but never turns on. Please write a note of your main board problem. Turn around in 1 to 2 days. We do not work with tampered boards. There are any problem symptoms in this Board, we fix most of them. You will have to send your part to us for repair. We have the same TV to test your board We will make sure your BOARD is in working condition and send back to you. We have been in business for over 25 years to repair tv lcd dlp plasma. UNLESS SPECIFIED OTHERWISE, ALL OF OUR PARTS ARE WARRANTIED FOR 30 DAYS. THANKS FOR READING AND WE LOOK FORWARD TO DOING BUSINESS WITH YOU. Track Page Views With. Auctiva’s FREE Counter.