Circuit schematic diagrams of PC PSU used in computers AT, ATX 230W … 500W PC SMPS switchmode power supply diagrams of various brands TL494, UC3843 and so on.
KA3511 (Intelligent Voltage Mode PWM IC) 1H0165R (Fairchild Power Switch (FPS) stantby smps) ATX FSP GROUP POWER MAN FSP145-60SP ac input: 120vac-240vac