Part Type Backlight Inverter Slave Inverter Board Part Number 6632L-0331A Philips 996510006826 REV Number 1.1 Board Number(s) 2300KFG078B-F LGIT/YPNL-T023B Models Magnavox 42MF521D/37 42MF531D/37 42MF531D Philips 37PFL5332D/37 37PFL7332D/37 42PFL5332D/37 42PFL7332D/37