昂寶OB2268、OB2269 恒壓適配器腳位分析 昂寶 驅動QQ 2892715427 50-120W Pin 1 - GND GND: 需要將此Pin接到GND Pin 2 – FB(迴授)FB: 迴授輸入腳位1) 透過Photo Coupler來決 ...