Symptoms we can fix. Tv turns on/off but there’s no picture, sound or backlight. When you plug the tv in, TV does not turn on and seems dead. When you plug tv in, it have the white light but does not turn on. You will have to send your part to us for repair. You need to send your main board to us for repairing. We don’t repair burned boards, missing parts or If your board has been repaired or replaced parts. 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. In most cases we can repair the defective SN board. THANKS FOR READING AND WE LOOK FORWARD TO DOING BUSINESS WITH YOU Track Page Views WithAuctiva’s FREE Counter. Track Page Views With. Auctiva’s FREE Counter.