I have some LED light strings (Walmart brand) that have 60 LEDs (3 strings of 20 each) which are controlled by a 16 function MFC. They are designed to run off of household 120vac. I would like to run them off of a 8-20vac input or e a 5v -12v DC input instead of the 120vac the circuit is designed for.
Here are some pictures of the controller circuit board
Frontside http://s86.photobucket.com/user/aussteve/media/IMG_20160829_160159715-a-25-60_zpsmgoc4ehj.png.html?sort=3&o=0
Backside http://s86.photobucket.com/user/aussteve/media/IMG_20160829_160436592-a-25-60_zpsxu55sths.png.html?sort=3&o=1
Schematic http://s86.photobucket.com/user/aussteve/media/IMG_20160829_162409823_zps4ygf0wfo.jpg.html?sort=3&o=2
Any ideas on what I can modify in the circuit to lower the input voltage and still get the circuit to function
as it does on the 120vac source?
Here are some pictures of the controller circuit board
Frontside http://s86.photobucket.com/user/aussteve/media/IMG_20160829_160159715-a-25-60_zpsmgoc4ehj.png.html?sort=3&o=0
Backside http://s86.photobucket.com/user/aussteve/media/IMG_20160829_160436592-a-25-60_zpsxu55sths.png.html?sort=3&o=1
Schematic http://s86.photobucket.com/user/aussteve/media/IMG_20160829_162409823_zps4ygf0wfo.jpg.html?sort=3&o=2
Any ideas on what I can modify in the circuit to lower the input voltage and still get the circuit to function
as it does on the 120vac source?