What is the problem with this TS-930 ? ?

I just repaired one of these heavy solid-state boatanchors.
And I need the service manual also, but have most of the schematics.

I replaced the RF PA drivers ( NTE236 ), power supply pass
transistors ( 2N3771 ),
re-worked the cooling fan circuits.



Remember the USS Liberty (AGTR-5)http://ussliberty.org/