Is there any chance of obtaining a circuit diagram for the alba dvb freevie?

If I can get one, I need a circuit diagram of the Alba DVB freeview set top box. With a circuit diagram I am well qualified to carry out the reair, having spent 25 years in the Audio/Video & TV industry.
The problem that I have got is that the switched mode power supply has failed, and a circuit diagram wlould be a great help in sorting out the rquired number of components to be replaced on block.

Thank you...................Ron Goad.