That most likely has a thermal fuse wrapped inside the transformer. try measuring from either side of AC cord to primary of transformer you will find where it connects and can solder in a fuse for testing. Robert tvservice@xxxxxxxxxxxxx H & H Electronics Inc ----- Original Message ----- From: "Gary McCartney" <gary@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Wednesday, October 06, 2004 9:02 AM Subject: [TechAssist] Technics power amp SU-Z45 -power transformer open > I have a Technics power amp SU-Z45 in the shop that has an open primary > winding on the power transformer. There is a spare (not connected to > circuit)pin coming out of the transformer which has continuity with one > of the primary winding pins. I am wondering if this spare pin could > possibly be the pin used in Europe for 220V AC power? If so, I might be > able to connect the amp up with a 110V to 220V step up transformer and > use the 220V winding in the amp's transformer. > > Does anyone have any info on this model? Does the primary winding have a > built in thermal fuse? What are the secondary winding output voltages? > > THanks for any help. > > I found photos of this amp on the net. Here's the link: > > http://users.pandora.be/frank4/audio/technicssuz45/ > -- > > > > > Gary McCartney > > McCartney Electronics > Guelph Ontario Canada > Est. 1984 > email: gary (at) number63.ca > > > > > > > > -------------------------------------------------------------------------- --- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/