Vizio 3652-0012-0137(1b) Audio Board Part 1B is for Vizio model GV47LFHDTV20A. Part 1A is for Vizio model GV52LFHDTV10A Part Type Audio Board Audio Bd Assy Part Number 3652-0012-0137 MFR Part Number 1 Vizio 3652-0012-0137 Board Number(s) 0171-2871-0181 Known Models VIZIO GV47LFHDTV20A VIZIO GV52LFHDTV10A