Monthly Archives: October 2010

Breaking in – Compaq C770TU laptop

My laptop is a Compaq C770TU which has been out of service for some time because of a faulty power supply. I tried to build a power supply temporarily due to delay in acquiring a new one. The plan was … Continue reading

Posted in General | 1 Comment

PC SMPS schematics with IC 2003 and TL494

Switch mode power supplies (SMPS) schematic using TI’s TL494/LM339, Fairchild’s KA7500 and IC2003. Most of the datasheets and some pictures are also uploaded here. Continue reading

Posted in Switching | Tagged , , | 68 Comments