NON COMPLIANCE WITH LOA ATX X UNAUTH UNCOORD TURN IN ATA. SYS ERROR.

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ATX X DEPARTED RWY 32 FROM PFN IFR TO ORLANDO. ATX X WAS ASSIGNED A DEP HDG OF 360 DEGS AND AN ALT OF 3000 FT. UPON TALKING TO TYNDALL RAPCON DEP (1 MI N OF PFN) ATX X WAS TOLD TO PROCEED ON COURSE. ATX X TURNED TO AN APPROX HDG OF 120 DEGS AT 1200 FT. THIS HDG AND ALT BROUGHT ATX X THROUGH THE TFC PATTERN FOR RWY 32. NO COORD FOR THIS TURN HAD BEEN EFFECTED AS REQUIRED BY THE PFN ATCT- TYNDALL LOA. THE 120 DEG HDG ALSO PUT ATX X IN A HEAD-ON CONFLICT WITH SMA Y APPROX 6 MI SE OF PFN WHO WAS IFR BEING VECTORED FOR A VISUAL APCH TO RWY 32. THE LCL CTLR ADVISED ME OF THE SIT AND I CALLED TYNDALL RAPCON TO ASK THEM IF THEY TURNED ATX X SE. THEY ADVISED ME THAT THEY HAD. NO COORD HAD BEEN ACCOMPLISHED TO BRING SMA Y CLOSER TO THE ARPT THAN 7 MI AS REQUIRED BY THE LOA. I ADVISED TYNDALL OF THE CONFLICT AND THEY HUNG UP. THE LCL CTLR AND I WATCHED THE SIT ON THE TWR BRITE RADAR. THE 2 ACFT CONTINUED CONVERGING AND WHEN THEY PASSED EACH OTHER THEY WERE APPROX 4 MI SE OF PFN ARPT. ACCORDING TO THE TWR BRITE WHEN THEY PASSED ATX X WAS AT 1800 FT AND SMA Y WAS AT 1500 FT. THE LATERAL SEPARATION WAS ABOUT 1 MI. A FOLLOW-UP INVESTIGATION BY THE PFN ATCT AIR TFC MGR AND TYNDALL RAPCON CONCLUDED THAT VISUAL SEPARATION WAS BEING APPLIED BY THE PLTS. I WAS GIVEN AN OPPORTUNITY TO HEAR THE TAPE RECORDING OF THE SIT. THE PLT OF SMA Y DID RPT 'TALLY HO' WHEN ISSUED TFC ON ATX X ;HOWEVER; THE TFC CALL BY THE CTLR OF '1 O'CLOCK; 3 MI' IS INCONSISTENT WITH WHAT I OBSERVED ON THE TWR BRITE RADAR. ACCORDING TO THE ALTS BEING RPTED BY THE PLT OF ATX X ON THE TAPE AND WHAT THE LCL CTLR AND I SAW ON THE TWR BRITE RADAR; IT APPEARS THAT A LOSS OF IFR SEPARATION EXISTED PRIOR TO THE PLT OF SMA Y RPTING ATX X IN SIGHT.