Bigf, you didn't give the clues so I had to wait until I was home before I could help...
42 A. This man is found cutting diamonds for dubious doxies (8)
Heresies - He Resides, with the D, diamonds, removed.
2 D Sweetheart against joining Lynne's group between the sheets? (7) Beloved, sweetheart. ELO is Jeff Lynne's group, inside Bed, between the sheets.
There may be extra letters to be put in before solving. I didn't look for those.