This listing is for  Panasonic Main AV board

TNPH1045

It came from 42" TX-P42ST60B but it will work in many Panasonic 42" or 50" plasma TV models like:

TX-P50ST60B
TX-P50ST60E
TX-P50ST60Y

TX-P42ST60B
TX-P42ST60E
TX-P42ST60Y

and many more

If you have any questions please ask.
Thanks for looking!