Current TST/TTE/TJB models. Those guitars are(was until this year) made for Japanese market and for countries which do not have problems with Fender regarding headstock design.
TST50A-2 GS(2tone sunburst) Maple 1 pcs. neck, Swamp Ash 2 pcs. body
TST50A-2 YSOR(3tone sunbrust) Rosewood Fingerboard, Swamp Ash 2 body
TST50A-3 FRR(Fiest Red9 Rose Fingerboard, Swamp Ash 3 pcs. body
TST50A-3 SOBR(Sonic Blue) Rose Fingerboard, Swamp Ash 3 pcs. body
TST50A-3 SOB(Sonic Blue) Maple 1 pce. Neck, Swamp Ash 3 pcs. body
TTE70A-3 (Union Jack top) Rosewood Fingerboard, Swamp Ash 3 pcs. body
TTE50A-3 CARR(Candy Apple Red) Rosewood Fingerboard, Swamp Ash 3 pcs. body
TTE50A-3 CAR Maple 1 pce. Neck, Swamp Ash 3 pcs. body
TTE50A-2 BL (See-through Blond), Swamap Ash 2 pcs. body
TTE50A-2 YSOR, Rosewood Fingerboard, Swamp Ash 2 pcs. body
TTE70A-3 PR(Paisley body painting) Maple 1 pce. Neck, Swamp Ash 3 pcs. body
TTE70A-3 UK(Union Jack body painting) Maple 1 pce. Neck, Swamp Ash 3 pcs.body
TTE70A-3 RR(Rosewood) Rosewood Fingerboard, Swamp Ash 3 pcs. body
TTE55A-3 CAR, Body Top&Back Binding, Swamp Ash 3 pcs. body
TTE55A-3 CARR, Body Top&Back Binding, Swamp Ash 3 pcs. body
TTE55A-3 GS, Body Top&Back Binding, Swamp Ash 3 pcs. body
TJB55A-2 YSOR, Swamp Ash 2 pcs. body
TJB55A-3 VWHR(Vintage White), Swamp Ash 3 pcs. body
TJB55A-3 VWHR(Vintage White), Swamp Ash 3 pcs. body, Matching headstock.
TJB55A-3 CARR, Swamp Ash 3 pcs.body
The difference between AST, ATE, AJB, APB (Export) and TST,TTE,TJB is as follows.
AST70, ATE78B, ATE82 and AST100 have 22
frets, original headstock, trusrod adjustment on the headstock.
TST50A/TTE50A/TST70A/TTE70A Ash body, 184mm
radius neck, bottom trussrod adjustment, 21 vintage frets, old vintage
headstock (2 means 2 pcs. of Ash body, 3 means 3pcs. of Ash body)
Steel block, CTS pot 250k, CRL switch - optional, by dealers request.
The spec. for TST50 is more high-grade than AST70, just the model number is small.
This is not all modification.
Personally, I do not really like the pickups. They still use Gotoh pickups and current ones sounds very thin.