Ok update the resistor RP-802 was a 4.7 ohm marked as 4r70 which was around 300ohms which was replaced which was just by the blown Mosfet! How I missed it I don't know. I am not sure on the value of the capacitor CP-803 but will have a look at similar psus using this fan7920 ic for a rough guide as to its value.
Hopefully this should have it working, though the original TV it came from has been sold so cannot fully test it.
Hopefully this may aide anyone else with similar issues.