Hi Edilberto.
Search this model online and on a theme of the current site I found that the chassis is a KTV-20ANC or PW3044 as commented by friend Manolo Karval.
If this is the original Flyback is DNF-FS2017 also serves DNF-FC1412 HR8303 and according to a
forum possibly FCM-20A010 which in turn is equal to 154-138F FCM-20A001 and HR7783
Regards!