The output of {TAIL ~ the transformer} is rectified by a diode and then filtered by {HEAD ~ a large capacitor} 
The output of { TAIL ~ the transformer } is rectified by a diode and then filtered by { HEAD ~ a large capacitor }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD