Replacing this part will correct white and black dots in the picture caused by faulty mirrors within the chip. Brand new tv dmd dlp chip 1910-6143w for toshiba 57hm167 1 year warranty the seller is dtvlamps and is located in evansville, indiana. WD-65638, WD-65731, WD-65733, WD-65734, WD-65735, WD-65737, WD-65738, WD-65833, WD-65835, WD-65837, WD-65838, WD-65C8, WD-65C9.