NOTE: IF THERE ANY CONFUSION AND /OR LACK OF UNDERSTANDING HOW TO FIX TV. PLEASE CONSULT WITH OUR SERVICE TECHICIAN FOR ADVICE. ALL BOARD are tested by certified Tech and guaranteed 100% to work. Please be sure that the Part Number and picture on your main board is EXACTLY. There are possibly several different boards for each model TV. We ensure all buyers getting positive experience. Within 14 days from the date receive. Communication is the KEY to helping us provide customers the BEST EXPERIENCE.