THIS BOARD IS 100 % WORKING TESTED IT IS ESSENTIAL THE PART NUMBER 190323832680292277940112 IS MATCHED & THE BOARD IS FOR THE TV LT-55CF810 (R) THE LETTER D IS ESSENTIAL FOR THE BOARD TO WORK IN THE TV MODEL · FOR ABOVE MODEL ONLY FULLY TESTED WORKING BY OUR TECHNICHANS · PLEASE MATCH PICTURES & MPN NUMBER AS SOME SAME MODELS USE DIFFERENT PARTS · NO PURCHASE TO CHECK FAULT & RETURN ITEM (AGAINST RULES & BUYER WILL BE REPORTED ) · PLEASE ENSURE IT IS PROFESSIONALLY FITTED