Samsung BD-P1400 - Page 76

7-4 This Document can not be used without Samsung’s authorization Samsung Electronics
Schematic Diagrams
(d) Feedback Control Circuit
Fig. 7-4
1) F/B terminal of PQIZ1 determines output duty cyle.
2) C-E (Collector-Emitter) of PQIZ1 and F/B potential of PQIZ1 are same.
7-2-3 Internal Block Diagram (Internal Block Diagram of S.M.P.S Circuit)
Fig. 7-3