I would certainly get a repair estimate before buying something else.
how close was a 2006 to the 2007?
you could find out if your 2007 remote will work on 2006?
or, buy this remote
they hold their value, complete laser assemblys are available
It is not easy finding a SACD/CD player that you think sounds terrific. I will repair or replace my Sony xa5400es without hesitation. It doesn’t do all the formats you want.