If you have this chip, you don't need change the whole housing, just change a bare lamp and chip, then your projector will work again.
I have other chip also,
ET-LAF100, POA-LMP130, POA-LMP125, ET-LAV400, ET-LAV300, ET-LAP770, ET-LAF100, ET-LAE200, ET-LAV200, POA-LMP136,
ET-LAE12, ET-LAE16, POA-LMP147, ET-LAD70, ET-LAD12KF
please feel free to ask.