VIZIO V755-G4 LBNFQQCW, LHBFQQAV, LBNFQQBV, LBNFQQBW, LBNFQQBV VIAIO V755-H4 LBNFB4KW. DESCRIPTION: TV Parts Repair kit. Board / PART#: Kit includes. Tcon board:44-9771389O / HV750QUBN9D / 47-6021224. Notes / Comments : Please make sure you are ordering the right part number. Same model TVs can use different part numbers. Please Read Before Purchasing. We strive to help the Tech community find hard to get TV Parts at an affordable price. (See Policy for Registered Service Centers). Listing and template services provided by inkFrog.