Check D1150 is the right way round.
Twice.
There's a comment in this thread about checking the forward voltage drop when passing a high current. Might be worth a punt, I have known replacement components to be faulty from time to time. (Used to work on a test bench)
https://www.avforums.com/threads/toshiba-rdxv60kb-3-in-1-recorder-psu-relay-clicking.2076108/
Rjrj, October 2022