I have a kenwood ts430, wont turn on when i push the power button it squeals and has no display nothing, Is she a gonner or can it be fixed

Thanks HELP!!!!!!
In the back right corner of the IF unit is a 7805, 5v regulator, mounted to the aluminum rail. Directly in front of it are 2 electrolytic caps, a 1uf 50v and a 47uf 25v. Replace both of them.
Clif