CJT wrote in :

SeventhPrince七少爷 wrote:

Hi,

I have one PSU which the Live 1A Fuse blows repeatedly. I read that
changing the rectifier should solve thisproblem. However after
changing the rectifier, the fuse continues to be blown.
Any advise?

Thanks.
SeventhPrince七少爷

Find the short.


Probably a shorted switcher transistor or secondary diode.
He should find a book on how switching power supplies work,or read the
application notes for the UC3842 IC.

--
Jim Yanik
jyanik
at
kua.net