I was thinking reverse protection diodes or something like that myself. So start checking diodes and caps for dead shorts?
Thanks, Vern On Thu, 13 Dec 2007 19:44:15 -0700 "Gary Hoff" <[EMAIL PROTECTED]> wrote: > diodes or filter caps in the power supply itself > Gary > ----- Original Message ----- > From: [EMAIL PROTECTED] > To: [email protected] > Sent: Thursday, December 13, 2007 7:25 PM > Subject: [Repeater-Builder] IFR 1100S > > > OK. I have the 1100S with the bad supply in my hands. > There is a 7.5 amp fuse on what I think is the DC side > that is blowing. It is blowing with the supply out out >of > the 1100S. The fuse looks melted so I am guessing over > current? The trouble shooting section in the >maintenance > manual that is on the RB website seems to assume that >the > fuse is OK before doing the testing. > > Any suggestions on what might cause this fuse to blow > without even being hooked up to the unit? > > Thanks, > Vern > > >
