ITT RC500 Radio Cassette Player

[radioman]

It certainly sounds as if the L.O. isn't oscillating.
I'd suspect the switch contacts on S2.
Also, given that T6 base voltage is a bit low I'd check the value of R15 as it might have gone high, especially if it's a carbon composition type.

Andy

EDIT : I'd typed all this before Trev's last post !