sunny152 0 Report post Posted June 8, 2005 My laptop is powered from a SMPS adapter rated Input voltage 100 t0 240 and output 19 volts 3.42 Amperes.Now when the laptop is powered from mains supply and when i touch the laptop i'm getting shock due to no proper earthing as ground earthing is not avialble in some places.So now i wan't to build my own unregulated power supply using transformer and i shall be grateful if somebody give me the power supply diagram 19 volts 3.42 Amperes using transformer. Waiting for the help.Thankssunny Share this post Link to post Share on other sites
