THIS IS TRADE IN SERVICE! If you are not sure what part you need PLEASE ASK! Burnt, cracked, liquid spill or damage from an attempted repair is NOT considered an. NOBODY WILL EVER DO THAT! This service part is intended for use by persons having electrical, electronic and mechanical experience and knowledge at level generally considered acceptable in the consumer electronics and appliance repair trade. Any repair attempt may result in personal injury and property damage. I cannot be responsible nor assume any liability for injury or damage of any kind arising from use of this part. The item “3642-1472-0150 (0171-2271-4355) Vizio E421VO Main Board Trade In Service” is in sale since Tuesday, December 31, 2019. This item is in the category “Specialty Services\Restoration & Repair\Electronics”. The seller is “koshevo” and is located in Philadelphia, Pennsylvania. This item can be shipped to United States, Canada.