Bose SoundDock 10 Service Manual page 65

SoundDock 10 Theory of Operation
Flyback supply
Flyback operation
( )
= + + • =
V
24 V 1 2 . V 0 5 . V 15 49 5 . V
( V schottky ) Turns
Flyback
24V is the SPS supply voltage
1.2V is the regulated output
15 is the turns ratio
0.5V is the forward drop of the Schottky diode
7