Quote Originally Posted by Vatos_locos View Post
Jimbo Mahoney try to shade with a pencil a bit the third resistor and see if the core can handle more Mhz if so then use a 100K Trim pot 25 turns from the FB to ground it souled work
Thanks. Presumably, with the layout of the card, the best (only?) place to solder the pot is on the right side of that resistor, although I guess I could go hunting to find a spot with 0 ohms to the FB pin?